*,:before,:after{box-sizing:border-box;margin:0;padding:0}body,h1,h2,h3,h4,h5,h6{font-family:Fraunces,Georgia,Times New Roman,serif;font-weight:400}input,textarea,select,button{font-family:inherit}.chat-panel{background:var(--chat-panel-bg,var(--panel-bg));z-index:1;border-right:1px solid #e8e8e8;flex-direction:column;width:540px;min-width:380px;display:flex;box-shadow:2px 0 12px #0000000f}.chat-header{background:var(--panel-bg);border-bottom:1px solid #f0f0f0;padding:16px 18px 14px}.chat-header h1{color:#111;letter-spacing:-.3px;font-size:17px;font-weight:700}.brand{align-items:center;gap:9px;display:flex}.brand-logo{border-radius:8px;width:30px;height:30px;display:block}.header-row{justify-content:space-between;align-items:center;display:flex}.voice-toggle{cursor:pointer;opacity:.6;background:0 0;border:none;font-size:15px}.voice-toggle:hover{opacity:1}.voice-toggle.muted{opacity:.3}.messages{scroll-behavior:smooth;background:var(--chat-msgs-bg);flex-direction:column;flex:1;gap:10px;padding:14px;display:flex;overflow-y:auto}.signin-hint{color:var(--brand-dark,#2f9e0f);cursor:pointer;white-space:nowrap;background:0 0;border:none;padding:2px;font-family:inherit;font-size:12px;font-weight:600}.signin-hint:hover{text-decoration:underline}.gear-btn{cursor:pointer;opacity:.55;background:0 0;border:none;align-items:center;padding:2px 4px;font-size:16px;display:flex}.gear-btn:hover{opacity:1}.hdr-icon{object-fit:contain;width:19px;height:19px;display:block}.gear-btn.signed-in{opacity:1;position:relative}.gear-btn.signed-in:after{content:"";background:#10b981;border-radius:50%;width:7px;height:7px;position:absolute;top:1px;right:0}.welcome{text-align:center;margin:auto 0;padding:20px 8px}.welcome h2{color:#444;text-shadow:0 1px 4px #fffc;margin-bottom:6px;font-size:15px;font-weight:600}.welcome p{color:#777;text-shadow:0 1px 4px #fffc;font-size:13px;line-height:1.6}.message{flex-direction:column;gap:3px;display:flex}.message.user{align-items:flex-end}.message.assistant{align-items:flex-start}.msg-label{color:#999;text-shadow:0 1px 3px #ffffffb3;padding:0 4px;font-size:10.5px}.bubble{white-space:pre-wrap;border-radius:18px;max-width:88%;padding:9px 14px;font-size:13.5px;line-height:1.55}.bubble .msg-para{white-space:normal;margin:0}.bubble .msg-para+.msg-para{margin-top:9px}.msg-math{white-space:nowrap;background:#0000000f;border-radius:5px;margin:0 1px;padding:1px 6px;font-family:SF Mono,Menlo,monospace;font-size:12.5px}body.mood-dark .message.assistant .msg-math,body.mood-dark .message.robin .msg-math{background:#ffffff1f}.message.user .bubble{background:var(--accent);color:var(--on-accent);border-bottom-right-radius:4px}.message.assistant .bubble{color:#1a1a1a;background:#f3f4f6;border-bottom-left-radius:4px}.bubble.error{color:#dc2626;background:#fff0f0;border:1px solid #fecaca}.message.robin .msg-label{color:#14b8a6;font-weight:600}.message.robin .bubble{background:#f0fdfb;border-left:3px solid #14b8a6;border-bottom-left-radius:4px}.typing-dots{background:#f3f4f6;border-radius:18px 18px 18px 4px;align-items:center;gap:5px;padding:11px 14px;display:flex}.typing-dots span{background:#bbb;border-radius:50%;width:6px;height:6px;animation:1.2s infinite bop}.typing-dots span:nth-child(2){animation-delay:.2s}.typing-dots span:nth-child(3){animation-delay:.4s}@keyframes bop{0%,80%,to{opacity:.6;transform:translateY(0)}40%{opacity:1;transform:translateY(-5px)}}.pdf-zone{cursor:pointer;color:#4338ca;background:#f8f7ff;border:2px dashed #c7d2fe;border-radius:12px;flex-shrink:0;align-items:center;gap:10px;margin:10px 14px;padding:12px 16px;font-size:13px;transition:all .18s;display:flex}.pdf-zone:hover,.pdf-zone.drag-hover{border-color:var(--accent);background:#eef2ff}.pdf-zone.has-pdf{border-color:var(--accent);cursor:default;background:#eef2ff;border-style:solid}.pdf-text{text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:12.5px;font-weight:600;overflow:hidden}.pdf-remove{color:#a5b4fc;cursor:pointer;background:0 0;border:none;flex-shrink:0;padding:0;font-size:18px;line-height:1}.pdf-remove:hover{color:var(--accent)}.pdf-text{font-size:12.5px;font-weight:600}.input-area{z-index:30;background:var(--panel-bg);border-top:1px solid #f0f0f0;align-items:flex-end;gap:10px;padding:12px 18px;display:flex;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -4px 16px #0000000f}.chat-input{background:var(--panel-bg);resize:none;border:1px solid #e0e0e0;border-radius:20px;outline:none;flex:1;max-height:110px;padding:9px 14px;font-family:inherit;font-size:13.5px;line-height:1.45}.chat-input:focus{border-color:var(--accent)}.btn-send{background:var(--accent);width:38px;height:38px;color:var(--on-accent);cursor:pointer;border:none;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:18px;display:flex}.btn-send:disabled{cursor:not-allowed;background:#d1d5db}.btn-send.stop{background:#ef4444}.btn-send.stop:hover{background:#dc2626}.stop-square{background:#fff;border-radius:2px;width:11px;height:11px;display:block}.textbook-bar{background:color-mix(in srgb, var(--accent) 14%, var(--panel-bg));border:1px solid color-mix(in srgb, var(--accent) 40%, transparent);border-radius:9px;flex-shrink:0;justify-content:space-between;align-items:center;gap:8px;margin:8px 14px 0;padding:7px 12px;text-decoration:none;display:flex}.textbook-bar:hover{background:color-mix(in srgb, var(--accent) 24%, var(--panel-bg))}.textbook-bar-label{color:var(--accent-strong);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.textbook-bar-open{color:var(--accent-strong);white-space:nowrap;flex-shrink:0;font-size:11.5px;font-weight:700}body.mood-dark .textbook-bar-label,body.mood-dark .textbook-bar-open{color:color-mix(in srgb, var(--accent) 70%, white)}.session-bar{background:color-mix(in srgb, #2e7d32 14%, var(--panel-bg));border:1px solid #2e7d3273;border-radius:9px;flex-shrink:0;align-items:center;gap:8px;margin:8px 14px 0;padding:7px 12px;display:flex}.session-bar-dot{background:#2e7d32;border-radius:50%;flex-shrink:0;width:8px;height:8px;animation:2s ease-in-out infinite session-pulse}@keyframes session-pulse{0%,to{opacity:1}50%{opacity:.35}}.session-bar-label{color:#2e7d32;text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:600;overflow:hidden}.session-bar-left{color:#2e7d32;white-space:nowrap;flex-shrink:0;margin-left:auto;font-size:11.5px;font-weight:700}body.mood-dark .session-bar-label,body.mood-dark .session-bar-left{color:#7bc47f}body.mood-dark .session-bar-dot{background:#7bc47f}.code-langbar{flex-wrap:wrap;align-items:center;gap:5px;padding:6px 12px 0;display:flex}.code-langbar-label{color:var(--text-dim,#9ca3af);margin-right:2px;font-size:11px;font-weight:700}.code-langpill{background:var(--panel-bg,#fff);color:#555;cursor:pointer;border:1.5px solid #d8d8d8;border-radius:999px;padding:3px 9px;font-family:inherit;font-size:11.5px;font-weight:600}.code-langpill:hover{border-color:#aaa}.code-langpill.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.tt-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0;overflow:auto}.tt-empty{text-align:center;color:#9ca3af;max-width:460px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.tt-head{color:#1f2937;padding:14px 20px 2px;font-size:16px;font-weight:700}.tt-plot{padding:8px 16px 4px}.tt-plot svg{width:100%;height:auto;display:block}.tt-grid{stroke:#ececec;stroke-width:1px}.tt-grid.faint{stroke:#f4f4f6}.tt-axlbl{fill:#9ca3af;font-family:inherit;font-size:11px}.tt-axttl{fill:#6b7280;font-family:inherit;font-size:12px;font-weight:600}.tt-curve{fill:none;stroke:var(--accent,#2f9e0f);stroke-width:2.5px;stroke-linejoin:round}.tt-eq{stroke:#e0483d;stroke-width:1.3px;stroke-dasharray:4 4}.tt-eqdot{fill:#e0483d}.tt-eqlbl{fill:#e0483d;font-family:inherit;font-size:11.5px;font-weight:700}.tt-halfdot{fill:#c47f00}.tt-halflbl{fill:#c47f00;font-family:inherit;font-size:11px;font-weight:600}.tt-note{color:#5b6471;margin:4px 20px 18px;font-size:13px;line-height:1.55}body.mood-dark .tt-wrap{background:#1a1a1e}body.mood-dark .tt-head{color:#e5e7eb}body.mood-dark .tt-grid{stroke:#2c2c33}body.mood-dark .tt-grid.faint{stroke:#232327}body.mood-dark .tt-axlbl{fill:#71717a}body.mood-dark .tt-axttl{fill:#9aa3b0}body.mood-dark .tt-note{color:#9aa3b0}.rx-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0;overflow:auto}.rx-empty{text-align:center;color:#9ca3af;max-width:470px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.rx-head{color:#1f2937;padding:14px 20px 2px;font-size:16px;font-weight:700}.rx-plot{padding:6px 16px 0}.rx-plot svg{width:100%;height:auto;display:block}.rx-axis{stroke:#d1d5db;stroke-width:1.2px}.rx-ref{stroke:#ececec;stroke-width:1px;stroke-dasharray:3 3}.rx-curve{fill:none;stroke:var(--accent,#2f9e0f);stroke-width:2.6px;stroke-linejoin:round;stroke-linecap:round}.rx-node{fill:var(--accent-strong,#2f9e0f)}.rx-nodelbl{fill:#4b5563;font-family:inherit;font-size:11.5px;font-weight:600}.rx-ea,.rx-dh{stroke-width:1.3px}.rx-ea{stroke:#c47f00}.rx-amk{fill:#c47f00}.rx-dh{stroke:#5b6471}.rx-bmk{fill:#5b6471}.rx-ealbl{fill:#c47f00;font-family:inherit;font-size:10.5px;font-weight:700}.rx-dhlbl{fill:#5b6471;font-family:inherit;font-size:10.5px;font-weight:700}.rx-axttl{fill:#6b7280;font-family:inherit;font-size:12px;font-weight:600}.rx-tag{color:var(--accent-strong,#2f9e0f);margin:6px 20px 0;font-size:12.5px;font-weight:700}.rx-tag[data-exo=false]{color:#c47f00}.rx-mech{flex-direction:column;gap:7px;margin:12px 20px 6px;padding-left:22px;display:flex}.rx-mech li{color:#374151;font-size:13px;line-height:1.5}.rx-mech b{color:#1f2937}.rx-note{color:#5b6471;margin:6px 20px 18px;font-size:13px;line-height:1.55}body.mood-dark .rx-wrap{background:#1a1a1e}body.mood-dark .rx-head{color:#e5e7eb}body.mood-dark .rx-axis{stroke:#3a3a42}body.mood-dark .rx-ref{stroke:#2c2c33}body.mood-dark .rx-nodelbl{fill:#cbd5e1}body.mood-dark .rx-axttl{fill:#9aa3b0}body.mood-dark .rx-mech li{color:#cbd5e1}body.mood-dark .rx-mech b{color:#f3f4f6}body.mood-dark .rx-note{color:#9aa3b0}.eq-wrap{background:var(--panel-bg,#fff);flex-direction:column;padding-bottom:16px;display:flex;position:absolute;inset:0;overflow:auto}.eq-empty{text-align:center;color:#9ca3af;max-width:460px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.eq-head{color:#1f2937;padding:16px 20px 2px;font-size:16px;font-weight:700}.eq-rxn{color:var(--accent-strong,#2f9e0f);padding:2px 20px 0;font-size:15px;font-weight:600}.eq-tablewrap{padding:14px 20px 4px;overflow-x:auto}.eq-table{border-collapse:collapse;min-width:100%;font-size:13.5px}.eq-table th,.eq-table td{text-align:center;color:#374151;white-space:nowrap;border:1px solid #e3e6eb;padding:9px 14px}.eq-table th{color:#1f2937;background:#fafafa;font-weight:700}.eq-rl{color:#1f2937;background:#fafafa;font-weight:700;text-align:left!important}.eq-chg{color:#c47f00;font-weight:600}.eq-eqrow td{background:var(--brand-soft,#eefbe6);color:var(--accent-strong,#2f9e0f);font-weight:700}.eq-eqrow .eq-rl{color:#1f2937;background:#fafafa}.eq-stats{color:#4b5563;flex-wrap:wrap;gap:8px 20px;padding:12px 20px 0;font-size:13px;display:flex}.eq-stats b{color:#1f2937}.eq-dir{color:var(--accent-strong,#2f9e0f);font-weight:700}.eq-note{color:#5b6471;padding:10px 20px 0;font-size:13px;line-height:1.55}body.mood-dark .eq-wrap{background:#1a1a1e}body.mood-dark .eq-head{color:#e5e7eb}body.mood-dark .eq-table th,body.mood-dark .eq-table td{color:#cbd5e1;border-color:#3a3a42}body.mood-dark .eq-table th,body.mood-dark .eq-rl{color:#e5e7eb;background:#232327}body.mood-dark .eq-eqrow td{background:#1f2a1a}body.mood-dark .eq-eqrow .eq-rl{background:#232327}body.mood-dark .eq-stats{color:#9aa3b0}body.mood-dark .eq-stats b{color:#e5e7eb}body.mood-dark .eq-note{color:#9aa3b0}.chem-studio{background:#fafbfc;flex-direction:column;display:flex;position:absolute;inset:0}.chem-tabs{background:#fff;border-bottom:1px solid #e5e7eb;gap:4px;padding:8px 12px 0;display:flex}.chem-tab{color:#555;cursor:pointer;background:#f3f4f6;border:1px solid #e5e7eb;border-bottom:none;border-radius:8px 8px 0 0;padding:7px 16px;font-size:13px;font-weight:600}.chem-tab.active{color:var(--accent);background:#fff;border-color:#d1d5db;position:relative;top:1px}.chem-clear-hi{color:#92400e;background:#fef3c7;border-color:#fcd34d;margin-left:auto}.chem-body{flex:1;position:relative;overflow:auto}.chem-sub{position:absolute;inset:0}.chem-sub[data-show=false]{display:none}.pt-wrap{flex-direction:column;gap:8px;height:100%;padding:10px;display:flex}.pt-grid{flex-shrink:0;grid-template-columns:repeat(18,minmax(0,1fr));gap:2px;width:100%;display:grid}.pt-cell{aspect-ratio:1;cursor:pointer;border:1px solid #0000001f;border-radius:3px;flex-direction:column;justify-content:center;align-items:center;min-width:0;padding:0;transition:transform 80ms,opacity .15s,box-shadow .15s;display:flex;position:relative}.pt-cell:hover{z-index:5;transform:scale(1.18);box-shadow:0 2px 10px #00000040}.pt-cell.dim{opacity:.25}.pt-cell.hi{box-shadow:0 0 0 2px var(--accent), 0 0 12px #6366f199;z-index:2}.pt-cell.sel{z-index:3;box-shadow:0 0 0 2px #dc2626}.pt-num{color:#0000008c;font-size:7px;line-height:1}.pt-sym{color:#1f2937;font-size:clamp(8px,1.1vw,14px);font-weight:700;line-height:1.1}.pt-info{background:#fff;border:1px solid #e5e7eb;border-radius:10px;flex:1;min-height:130px;padding:12px 14px;font-size:13px;overflow-y:auto}.pt-info-empty{color:#9ca3af;justify-content:center;align-items:center;display:flex}.pt-info-head{align-items:center;gap:12px;margin-bottom:8px;display:flex}.pt-info-symbol{color:#1f2937;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:58px;height:58px;font-size:24px;font-weight:800;display:flex;position:relative}.pt-info-num{font-size:10px;font-weight:600;position:absolute;top:3px;left:5px}.pt-info-name{font-size:17px;font-weight:700}.pt-info-cat{color:#6b7280;text-transform:capitalize;font-size:12px}.pt-info-mass{color:#374151;font-size:12px}.pt-info-close{cursor:pointer;background:#f3f4f6;border:none;border-radius:6px;width:26px;height:26px;margin-left:auto;font-size:15px}.pt-info-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:5px 14px;display:grid}.pt-info-grid label,.pt-info-row label{text-transform:uppercase;letter-spacing:.4px;color:#9ca3af;font-size:10px;font-weight:700;display:block}.pt-info-row{margin-top:7px}.pt-info-summary{color:#4b5563;margin-top:9px;font-size:12.5px;line-height:1.45}.chem-calc{height:100%;display:flex}.chem-calc-desmos{border-right:1px solid #e5e7eb;flex:1.2;min-width:280px}.chem-calc-side{flex-direction:column;flex:1;gap:10px;padding:12px;display:flex;overflow-y:auto}.chem-section-title{text-transform:uppercase;letter-spacing:.6px;color:#6b7280;margin-top:2px;font-size:11px;font-weight:800}.chem-solver{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:10px 12px}.chem-solver-title{margin-bottom:7px;font-size:13px;font-weight:700}.chem-solver-hint{color:#9ca3af;margin-left:6px;font-size:11px;font-weight:400}.chem-solver-fields{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.chem-solver-fields label{color:#4b5563;align-items:center;gap:4px;font-size:12px;font-weight:600;display:flex}.chem-solver-fields input,.chem-solver-fields select{border:1px solid #d1d5db;border-radius:6px;width:72px;padding:5px 6px;font-size:12px}.chem-solver-fields input[type=text]{width:auto}.chem-solver-fields label.solved input{background:#ecfdf5;border-color:#10b981;font-weight:700}.chem-solver-fields button{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:6px;padding:5px 14px;font-size:12px;font-weight:600}.chem-solver-result{color:#059669;margin-top:7px;font-size:13px;font-weight:700}.chem-solver-err{color:#dc2626;margin-top:7px;font-size:12px}.chem-constants{grid-template-columns:1fr 1fr;gap:5px;display:grid}.chem-const{background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:6px 9px;font-size:12px}.chem-const span{color:#9ca3af;font-size:10.5px}.wb-wrap{flex-direction:column;gap:10px;min-height:100%;padding:12px;display:flex}.wb-toolbar{color:#374151;text-transform:uppercase;letter-spacing:.5px;justify-content:space-between;align-items:center;font-size:13px;font-weight:800;display:flex}.wb-toolbar button{cursor:pointer;color:#6b7280;background:#fff;border:1px solid #e5e7eb;border-radius:6px;padding:4px 10px;font-size:12px}.wb-empty{text-align:center;color:#6b7280;flex-direction:column;align-items:center;gap:6px;margin-top:60px;font-size:14px;display:flex}.wb-dim{color:#9ca3af;font-size:12px}.wb-card{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:12px 14px}.wb-card-title{text-transform:uppercase;letter-spacing:.4px;color:#6b7280;margin-bottom:8px;font-size:12px;font-weight:800}.wb-error{color:#dc2626;font-size:13px}.wb-note{color:#6b7280;margin-top:6px;font-size:12.5px}.wb-molar-total{color:#059669;margin-bottom:8px;font-size:22px;font-weight:800}.wb-table{border-collapse:collapse;width:100%;max-width:420px;font-size:13px}.wb-table th{text-align:left;text-transform:uppercase;color:#9ca3af;border-bottom:1px solid #e5e7eb;padding:3px 10px 3px 0;font-size:10.5px}.wb-table td{border-bottom:1px solid #f3f4f6;padding:4px 10px 4px 0}.wb-equation{color:#1f2937;padding:6px 0;font-family:SF Mono,Menlo,monospace;font-size:19px;font-weight:700}.wb-wolfram-img{border-radius:6px;max-width:100%}.mol-viewer{flex-direction:column;gap:8px;display:flex}.mol-props{color:#1f2937;font-size:14px}.mol-iupac{color:#9ca3af;font-size:11.5px}.mol-canvas{background:#fff;border:1px solid #e5e7eb;border-radius:8px;height:320px;position:relative;overflow:hidden}.mol-status{color:#6b7280;justify-content:center;align-items:center;font-size:13px;display:flex;position:absolute;inset:0}.mol-dl{gap:6px;display:flex;position:absolute;top:8px;right:8px}.mol-snap{cursor:pointer;color:#4b5563;background:#ffffffeb;border:1px solid #e5e7eb;border-radius:7px;padding:4px 10px;font-size:12px;font-weight:600}.mol-snap:hover{background:#f3f4f6}.mol-err{color:#dc2626}.study-wrap{background:#fafbfc;padding:16px;position:absolute;inset:0;overflow-y:auto}.study-banner{background:#fff;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:12px;padding:12px 16px}.study-banner-label{text-transform:uppercase;letter-spacing:.5px;color:#6b7280;font-size:11px;font-weight:800}.study-banner-main{color:#1f2937;margin-top:3px;font-size:15px}.study-empty{text-align:center;color:#4b5563;max-width:460px;margin:60px auto 0}.study-empty h3{color:#1f2937;margin-bottom:8px;font-size:17px}.study-empty p{margin-bottom:8px;font-size:13.5px;line-height:1.65}.study-hint{color:#9ca3af;font-size:12.5px}.study-cards{flex-direction:column;gap:10px;max-width:640px;display:flex}.study-quote{border:1px solid #e5e7eb;border-left:4px solid var(--accent);background:#fff;border-radius:10px;padding:12px 16px}.study-quote blockquote{color:#1f2937;font-size:14px;font-style:italic;line-height:1.6}.study-quote-note{color:#6b7280;margin-top:6px;font-size:12.5px}.study-card{color:#1f2937;background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:11px 14px;font-size:13.5px;line-height:1.55}.study-card-tag{text-transform:uppercase;letter-spacing:.5px;border-radius:5px;margin-bottom:5px;padding:2px 7px;font-size:10px;font-weight:800;display:inline-block}.study-card.q{border-left:4px solid #d97706}.study-card.q .study-card-tag{color:#92400e;background:#fef3c7}.study-card.k{border-left:4px solid #059669}.study-card.k .study-card-tag{color:#065f46;background:#d1fae5}.psim-wrap{flex-direction:column;height:100%;display:flex}.psim-toolbar{background:#fff;border-bottom:1px solid #e5e7eb;align-items:center;gap:8px;padding:8px 12px;display:flex}.psim-title{text-transform:capitalize;color:#374151;margin-right:auto;font-size:13px;font-weight:800}.psim-toolbar button{cursor:pointer;color:#4b5563;background:#f9fafb;border:1px solid #e5e7eb;border-radius:7px;padding:4px 12px;font-size:12px;font-weight:600}.psim-toolbar button:hover{background:#f3f4f6}.psim-toolbar button.rec{color:#fff;background:#ef4444;border-color:#ef4444;animation:1.4s infinite rec-pulse}@keyframes rec-pulse{0%,to{opacity:1}50%{opacity:.72}}.psim-canvas{background:#fff;flex:1;width:100%;min-height:0}.psim-live{color:#1f2937;white-space:nowrap;background:#f9fafb;border-top:1px solid #e5e7eb;padding:7px 14px;font-family:SF Mono,Menlo,monospace;font-size:12px;overflow-x:auto}.psim-summary{color:#1f2937;background:#f9fafb;flex-wrap:wrap;gap:18px;padding:8px 14px 10px;font-size:13px;font-weight:600;display:flex}.psim-summary label{text-transform:uppercase;letter-spacing:.4px;color:#9ca3af;font-size:10px;font-weight:700;display:block}.psim-empty{color:#6b7280;text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:10px;height:100%;padding:20px;font-size:14px;display:flex}.psim-launchers{flex-wrap:wrap;justify-content:center;gap:8px;display:flex}.psim-launchers button{color:var(--accent-strong);cursor:pointer;background:#eef2ff;border:1px solid #c7d2fe;border-radius:8px;padding:8px 16px;font-size:13px;font-weight:600}.psim-launchers button:hover{background:#e0e7ff}.psim-hint{color:#9ca3af;font-size:12px}.phys-solvers{flex-direction:column;gap:10px;max-width:660px;padding:12px;display:flex}.phys-ref{max-width:660px;padding:12px}.phys-data{flex-direction:column;gap:10px;padding:12px;display:flex}.phys-ref-group{background:#fff;border:1px solid #e5e7eb;border-radius:10px;margin-top:8px;padding:10px 12px}.phys-ref-topic{text-transform:uppercase;letter-spacing:.5px;color:var(--accent-strong);margin-bottom:6px;font-size:12px;font-weight:800}.phys-ref-formula{border-bottom:1px solid #f3f4f6;align-items:baseline;gap:12px;padding:3px 0;display:flex}.phys-ref-formula:last-child{border-bottom:none}.phys-ref-formula code{color:#1f2937;min-width:150px;font-family:SF Mono,Menlo,monospace;font-size:13px}.phys-ref-formula span{color:#6b7280;font-size:12px}.fbd-wrap{height:100%;display:flex}.fbd-main{border-right:1px solid #e5e7eb;flex-direction:column;flex:1.4;min-width:0;display:flex}.fbd-toolbar{background:#fff;border-bottom:1px solid #e5e7eb;align-items:center;gap:10px;padding:8px 12px;display:flex}.fbd-title{color:#374151;margin-right:auto;font-size:13px;font-weight:800}.fbd-mode{border:1px solid #e5e7eb;border-radius:7px;gap:0;display:flex;overflow:hidden}.fbd-mode button{cursor:pointer;color:#6b7280;background:#f9fafb;border:none;padding:4px 14px;font-size:12px;font-weight:700}.fbd-mode button.active{background:var(--accent);color:#fff}.fbd-dl{cursor:pointer;color:#4b5563;background:#f9fafb;border:1px solid #e5e7eb;border-radius:7px;margin-left:8px;padding:4px 12px;font-family:inherit;font-size:12px;font-weight:600}.fbd-dl:hover{background:#f3f4f6}.fbd-canvas{background:#fff;flex:1;width:100%;min-height:0}.fbd-side{flex:1;max-width:380px;padding:12px;overflow-y:auto}.fbd-table{border-collapse:collapse;width:100%;font-size:12px}.fbd-table th{text-align:left;text-transform:uppercase;color:#9ca3af;padding:2px 4px;font-size:10px}.fbd-table td{padding:2px 3px}.fbd-table input{box-sizing:border-box;border:1px solid #e5e7eb;border-radius:6px;width:100%;min-width:36px;padding:4px 6px;font-size:12px}.fbd-del{color:#c4c8cf;cursor:pointer;background:0 0;border:none;font-size:14px}.fbd-del:hover{color:#dc2626}.fbd-add{color:var(--accent-strong);cursor:pointer;background:#eef2ff;border:1px dashed #c7d2fe;border-radius:7px;margin-top:6px;padding:5px 12px;font-size:12px;font-weight:600}.fbd-analysis{background:#fff;border:1px solid #e5e7eb;border-radius:10px;padding:8px 12px}.fbd-row{border-bottom:1px solid #f3f4f6;justify-content:space-between;gap:10px;padding:3px 0;font-size:12.5px;display:flex}.fbd-row label{color:#6b7280;font-weight:600}.fbd-row.fbd-net{color:#1f2937;font-weight:700}.fbd-mass{border:1px solid #e5e7eb;border-radius:5px;width:60px;padding:2px 6px;font-size:12px}.fbd-verdict{color:#dc2626;margin-top:7px;font-size:12.5px;font-weight:700}.fbd-verdict.eq{color:#059669}.fbd-note{color:#6b7280;margin-top:6px;font-size:12px;font-style:italic}.pw-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.pw-empty{text-align:center;color:#9ca3af;max-width:470px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.pw-head{flex-wrap:wrap;align-items:baseline;gap:4px 12px;padding:14px 20px 6px;display:flex}.pw-title{color:#1f2937;font-size:16px;font-weight:700}.pw-io{color:#6b7280;font-size:12.5px}.pw-io b{color:var(--accent-strong,#2f9e0f);font-weight:700}.pw-flow{flex-direction:column;flex:1;align-items:center;min-height:0;padding:8px 20px 16px;display:flex;overflow:auto}.pw-stepwrap{flex-direction:column;align-items:center;width:100%;max-width:440px;display:flex}.pw-step{text-align:left;cursor:pointer;background:#fafafa;border:1.5px solid #e3e6eb;border-radius:12px;align-items:flex-start;gap:12px;width:100%;padding:11px 14px;font-family:inherit;transition:border-color .12s,background .12s,box-shadow .12s;display:flex}.pw-step:hover{border-color:var(--accent)}.pw-step.done{opacity:.62}.pw-step.active{border-color:var(--accent);background:var(--brand-soft,#eefbe6);box-shadow:0 1px 0 var(--accent)}.pw-num{color:#6b7280;background:#fff;border:1.5px solid #d8dce2;border-radius:50%;flex:none;place-items:center;width:24px;height:24px;font-size:12px;font-weight:800;display:grid}.pw-step.active .pw-num,.pw-step.done .pw-num{background:var(--accent);border-color:var(--accent);color:#fff}.pw-body{flex-direction:column;gap:3px;min-width:0;display:flex}.pw-name{color:#1f2937;font-size:13.5px;font-weight:700;line-height:1.4}.pw-enz{color:var(--accent-strong,#2f9e0f);font-size:12px;font-style:italic}.pw-note{color:#5b6471;margin-top:2px;font-size:12.5px;line-height:1.5}.pw-yield{color:#c47f00;font-size:11.5px;font-weight:700}.pw-arrow{color:#c4c8cf;margin:3px 0;font-size:15px;line-height:1}.pw-bar{border-top:1px solid #ececec;justify-content:center;align-items:center;gap:14px;padding:10px 20px;display:flex}.pw-btn{color:#374151;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:9px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:600}.pw-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent-strong)}.pw-btn:disabled{opacity:.45;cursor:default}.pw-count{color:#9ca3af;font-variant-numeric:tabular-nums;font-size:12.5px;font-weight:600}.pw-summary{color:#5b6471;border-top:1px solid #f0f0f0;padding:10px 20px 16px;font-size:13px;line-height:1.55}body.mood-dark .pw-wrap{background:#1a1a1e}body.mood-dark .pw-title,body.mood-dark .pw-name{color:#e5e7eb}body.mood-dark .pw-step{background:#232327;border-color:#3a3a42}body.mood-dark .pw-step.active{background:#1f2a1a}body.mood-dark .pw-num{color:#9aa3b0;background:#1a1a1e;border-color:#4a4a52}body.mood-dark .pw-note,body.mood-dark .pw-summary{color:#9aa3b0}body.mood-dark .pw-bar,body.mood-dark .pw-summary{border-color:#3a3a42}body.mood-dark .pw-btn{color:#cbd5e1;background:#232327;border-color:#3a3a42}.an-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0;overflow:auto}.an-empty{text-align:center;color:#9ca3af;max-width:460px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.an-head{color:#1f2937;padding:14px 20px 4px;font-size:16px;font-weight:700}.an-stage{flex:1;justify-content:center;align-items:center;min-height:0;padding:6px 16px;display:flex}.an-stage svg{width:100%;height:100%;max-height:420px;display:block}.an-sh{stroke:#9aa3b0;stroke-width:1.4px;transition:stroke .15s}.an-sh.on{stroke:var(--accent,#2f9e0f);stroke-width:3.2px}.an-membrane{stroke:#6f8fc4;stroke-width:3px}.an-membrane.on{stroke:var(--accent,#2f9e0f);stroke-width:5px}.an-septum{stroke:#b56b6b;stroke-width:3px;stroke-dasharray:5 4}.an-septum.on{stroke:var(--accent,#2f9e0f);stroke-width:4px}.an-lbl{fill:#5b6471;font-family:inherit;font-size:12px;font-weight:600}.an-lbl.on{fill:var(--accent-strong,#2f9e0f);font-weight:800}.an-legend{flex-wrap:wrap;gap:6px;padding:8px 20px 14px;display:flex}.an-chip{color:#6b7280;background:#fafafa;border:1.5px solid #e3e6eb;border-radius:999px;padding:5px 11px;font-size:12px;font-weight:600}.an-chip.on{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong,#2f9e0f)}.an-note{color:#5b6471;padding:0 20px 18px;font-size:13px;line-height:1.55}body.mood-dark .an-wrap{background:#1a1a1e}body.mood-dark .an-head{color:#e5e7eb}body.mood-dark .an-lbl{fill:#cbd5e1}body.mood-dark .an-chip{color:#cbd5e1;background:#232327;border-color:#3a3a42}body.mood-dark .an-note{color:#9aa3b0}.bio-genetics{padding:16px}.bio-cross-title{color:#1f2937;margin-bottom:12px;font-size:16px;font-weight:700}.bio-punnett{border-collapse:collapse;margin-bottom:18px}.bio-punnett th,.bio-punnett td{text-align:center;color:#1f2937;border:1px solid #d1d5db;width:56px;height:46px;font-size:14px;font-weight:600}.bio-punnett th{color:var(--accent-strong);background:#eef2ff}.bio-punnett .bio-corner{background:#f9fafb}.bio-punnett td{background:#fff}.bio-ratios{flex-wrap:wrap;gap:14px;display:flex}.bio-ratio-block{background:#fff;border:1px solid #e5e7eb;border-radius:10px;min-width:160px;padding:10px 14px}.bio-ratio-head{text-transform:uppercase;letter-spacing:.5px;color:#6b7280;margin-bottom:6px;font-size:11px;font-weight:800}.bio-ratio-big{color:#059669;margin-bottom:6px;font-size:20px;font-weight:800}.bio-ratio-row{justify-content:space-between;gap:16px;padding:2px 0;font-size:13px;display:flex}.bio-ratio-row span:first-child{color:#374151;font-family:SF Mono,Menlo,monospace}.bio-ratio-row span:last-child{color:#6b7280}.prob-dist{flex-direction:column;display:flex;position:absolute;inset:0}.prob-canvas{background:#fff;flex:1;width:100%;min-height:0;display:block}.prob-stats{background:#f9fafb;border-top:1px solid #e5e7eb;flex-wrap:wrap;gap:10px;padding:10px 14px;display:flex}.prob-stat{color:#4b5563;background:#fff;border:1px solid #e5e7eb;border-left-width:4px;border-radius:8px;flex-direction:column;padding:6px 12px;font-size:12px;display:flex}.prob-stat b{color:#1f2937;margin-bottom:2px;font-size:12.5px}.prob-quant{max-width:560px;padding:16px}.prob-quant-title{color:#1f2937;margin-bottom:12px;font-size:16px;font-weight:700}.prob-fields{grid-template-columns:1fr 1fr 1fr;gap:8px;margin-bottom:14px;display:grid}.prob-field{color:#4b5563;flex-direction:column;gap:3px;font-size:12px;font-weight:600;display:flex}.prob-field input,.prob-field select{border:1px solid #d1d5db;border-radius:6px;padding:6px 8px;font-size:13px}.prob-price{color:#1f2937;margin-bottom:12px;font-size:18px}.prob-price b{color:#059669}.prob-greeks{grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:8px;display:grid}.prob-greek{color:#1f2937;background:#fff;border:1px solid #e5e7eb;border-radius:8px;padding:7px 10px;font-size:14px;font-weight:700}.prob-greek label{text-transform:uppercase;letter-spacing:.3px;color:#9ca3af;margin-bottom:1px;font-size:10.5px;font-weight:700;display:block}.prob-note{color:#9ca3af;margin-top:12px;font-size:12px}.wb-wrap{background:#fff;flex-direction:column;display:flex;position:absolute;inset:0}.wb-tools{background:#fafafa;border-bottom:1px solid #e5e7eb;flex-shrink:0;align-items:center;gap:6px;padding:8px 12px;display:flex}.wb-stage{flex:1;position:relative;overflow:hidden}.wb-canvas{width:100%;height:100%;display:block;position:absolute;inset:0}.wb-draw{cursor:crosshair}.wb-color{cursor:pointer;border:2px solid #fff;border-radius:50%;width:22px;height:22px;padding:0;box-shadow:0 0 0 1px #ccc}.wb-color.sel{box-shadow:0 0 0 2px var(--accent)}.wb-tool{cursor:pointer;color:#444;background:#fff;border:1px solid #d4d4d4;border-radius:7px;padding:5px 11px;font-family:inherit;font-size:12px;font-weight:600}.wb-tool:hover{background:#f3f4f6}.wb-tool.sel{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.wb-hint{color:#9ca3af;white-space:nowrap;text-overflow:ellipsis;margin-left:auto;font-size:11.5px;overflow:hidden}.code-wrap{background:#0d1117;flex-direction:column;display:flex;position:absolute;inset:0}.code-bar{background:#161b22;border-bottom:1px solid #21262d;flex-shrink:0;align-items:center;gap:10px;padding:8px 12px;display:flex}.code-lang{color:#8b949e;font-size:12px;font-weight:700}.code-run{cursor:pointer;color:#fff;background:#238636;border:none;border-radius:7px;margin-left:auto;padding:5px 14px;font-family:inherit;font-size:12.5px;font-weight:700}.code-run:hover{background:#2ea043}.code-run:disabled{opacity:.5;cursor:default}.code-editor{resize:none;color:#e6edf3;tab-size:2;background:#0d1117;border:none;outline:none;flex:1;min-height:0;padding:12px 14px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.55}.code-editor::placeholder{color:#4b5563}.code-io{background:#0d1117;border-top:1px solid #21262d;flex-shrink:0;height:38%;min-height:120px;display:flex}.code-io-pane{flex-direction:column;flex:1;min-width:0;display:flex}.code-io-pane+.code-io-pane{border-left:1px solid #21262d}.code-console-label{letter-spacing:.5px;text-transform:uppercase;color:#6e7681;flex-shrink:0;padding:6px 14px 2px;font-size:10.5px;font-weight:700}.code-stdin{resize:none;color:#e6edf3;background:#0d1117;border:none;outline:none;flex:1;min-height:0;padding:2px 14px 12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.5}.code-stdin::placeholder{color:#4b5563}.code-out{color:#c9d1d9;white-space:pre-wrap;flex:1;min-height:0;margin:0;padding:4px 14px 12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.5;overflow:auto}.alg-wrap{color:#cdd6e4;background:#0f1320;flex-direction:column;display:flex;position:absolute;inset:0}.alg-controls{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding:10px 14px;display:flex}.alg-algos,.alg-buttons{align-items:center;gap:5px;display:flex}.alg-pill{color:#9aa6c4;cursor:pointer;background:0 0;border:1.5px solid #2a3350;border-radius:999px;padding:4px 11px;font-family:inherit;font-size:12px;font-weight:600}.alg-pill:hover{border-color:#46527d}.alg-pill.active{color:#fff;background:#5b8def;border-color:#5b8def}.alg-btn{color:#cdd6e4;cursor:pointer;background:#1a2138;border:1px solid #2a3350;border-radius:7px;width:32px;height:30px;font-family:inherit;font-size:13px}.alg-btn:hover{background:#232c49}.alg-btn.alg-play{color:#fff;background:#238636;border-color:#238636}.alg-btn.alg-text{width:auto;padding:0 12px;font-size:12px;font-weight:600}.alg-sliders{color:#8a93a6;align-items:center;gap:18px;padding:0 14px 8px;font-size:11.5px;display:flex}.alg-sliders label{align-items:center;gap:7px;display:flex}.alg-sliders input[type=range]{accent-color:#5b8def;width:90px}.alg-step{font-variant-numeric:tabular-nums;margin-left:auto}.alg-bars{flex:1;align-items:flex-end;gap:1px;min-height:0;padding:14px 14px 6px;display:flex}.alg-bar{background:#6b7db3;border-radius:2px 2px 0 0;transition:height 40ms linear}.alg-bar.compare{background:#f5a623}.alg-bar.swap{background:#e0533d}.alg-bar.pivot{background:#b06fd6}.alg-bar.sorted{background:#2ecc71}.alg-legend{color:#8a93a6;gap:14px;padding:4px 14px 12px;font-size:11px;display:flex}.alg-key{align-items:center;gap:5px;display:inline-flex}.alg-key:before{content:"";border-radius:3px;width:10px;height:10px}.alg-key.compare:before{background:#f5a623}.alg-key.swap:before{background:#e0533d}.alg-key.pivot:before{background:#b06fd6}.alg-key.sorted:before{background:#2ecc71}.ds-wrap{color:#cdd6e4;background:#0f1320;flex-direction:column;display:flex;position:absolute;inset:0}.ds-tabs{flex-wrap:wrap;gap:5px;padding:10px 14px 4px;display:flex}.ds-pill{color:#9aa6c4;cursor:pointer;background:0 0;border:1.5px solid #2a3350;border-radius:999px;padding:4px 11px;font-family:inherit;font-size:12px;font-weight:600}.ds-pill:hover{border-color:#46527d}.ds-pill.active{color:#fff;background:#5b8def;border-color:#5b8def}.ds-controls{flex-wrap:wrap;align-items:center;gap:6px;padding:6px 14px 10px;display:flex}.ds-input{color:#e6edf3;background:#1a2138;border:1px solid #2a3350;border-radius:7px;outline:none;width:78px;padding:5px 9px;font-family:inherit;font-size:12.5px}.ds-btn{color:#cdd6e4;cursor:pointer;background:#1a2138;border:1px solid #2a3350;border-radius:7px;padding:5px 11px;font-family:inherit;font-size:12px;font-weight:600}.ds-btn:hover{background:#232c49}.ds-clear{color:#e0876f;margin-left:auto}.ds-stage{flex:1;min-height:0;padding:16px;overflow:auto}.ds-stage-center{justify-content:center;align-items:center;height:100%;display:flex}.ds-empty{color:#6b7280;font-size:13px}.ds-row{flex-wrap:wrap;align-items:center;gap:6px;display:flex}.ds-cell{color:#e6edf3;cursor:pointer;background:#233057;border:1.5px solid #3a4b80;border-radius:8px;justify-content:center;align-items:center;min-width:40px;height:44px;padding:0 8px;font-size:14px;font-weight:700;transition:background .15s,border-color .15s;display:flex;position:relative}.ds-val{line-height:1}.ds-idx{text-align:center;color:#6b7280;font-size:10px;font-weight:600;position:absolute;bottom:-16px;left:0;right:0}.ds-tag{color:#5b8def;font-size:10px;font-weight:700;position:absolute;right:-34px}.ds-stack{flex-direction:column;align-items:flex-start;gap:5px;display:flex}.ds-stackcell{cursor:default;min-width:90px}.ds-ll{gap:0}.ds-llnode{align-items:center;display:flex}.ds-arrow{color:#6b7da0;padding:0 6px;font-size:16px}.ds-null{color:#6b7280;font-size:12px;font-style:italic}.flash-add{background:#1f6f43!important;border-color:#2ecc71!important}.flash-remove{background:#6f2f29!important;border-color:#e0533d!important}.flash-find{background:#7a5a16!important;border-color:#f5a623!important}.ds-treebox{display:inline-block}.ds-tree .ds-edge{stroke:#3a4b80;stroke-width:1.5px}.ds-tree .ds-node circle{fill:#233057;stroke:#3a4b80;stroke-width:1.5px}.ds-tree .ds-node text{fill:#e6edf3;font-family:inherit;font-size:13px;font-weight:700}.ds-tree .ds-node.flash-add circle{fill:#1f6f43;stroke:#2ecc71}.ds-tree .ds-node.flash-find circle{fill:#7a5a16;stroke:#f5a623}.sql-wrap{color:#c9d1d9;background:#0d1117;flex-direction:column;display:flex;position:absolute;inset:0}.sql-schema{background:#161b22;border-bottom:1px solid #21262d;flex-wrap:wrap;align-items:center;gap:12px;padding:9px 14px;font-size:11.5px;display:flex}.sql-schema-label{color:#6e7681;text-transform:uppercase;letter-spacing:.5px;font-weight:700}.sql-table{color:#8b949e}.sql-table b{color:#79c0ff}.sql-editor-row{align-items:stretch;gap:8px;padding:10px 14px;display:flex}.sql-editor{resize:vertical;color:#e6edf3;background:#0d1117;border:1px solid #21262d;border-radius:8px;outline:none;flex:1;min-height:60px;max-height:140px;padding:9px 12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:13px;line-height:1.5}.sql-editor:focus{border-color:#388bfd}.sql-run{cursor:pointer;color:#fff;white-space:nowrap;background:#238636;border:none;border-radius:8px;align-self:flex-start;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:700}.sql-run:hover{background:#2ea043}.sql-run:disabled{opacity:.5;cursor:default}.sql-results{flex:1;min-height:0;padding:0 14px 14px;overflow:auto}.sql-error{color:#ff7b72;white-space:pre-wrap;padding:8px 0;font-family:SF Mono,Menlo,monospace;font-size:12.5px}.sql-table-out{border-collapse:collapse;min-width:60%;font-size:12.5px}.sql-table-out th,.sql-table-out td{text-align:left;border:1px solid #21262d;padding:5px 12px}.sql-table-out th{color:#79c0ff;background:#161b22;font-weight:700;position:sticky;top:0}.sql-table-out td{color:#c9d1d9}.sql-table-out tr:nth-child(2n) td{background:#0f141b}.sql-count{color:#6e7681;padding:8px 0;font-size:11.5px}.lg-wrap{color:#cdd6e4;background:#0f1320;flex-direction:column;display:flex;position:absolute;inset:0}.lg-tabs{flex-wrap:wrap;gap:5px;padding:10px 14px;display:flex}.lg-pill{color:#9aa6c4;cursor:pointer;background:0 0;border:1.5px solid #2a3350;border-radius:999px;padding:4px 11px;font-family:inherit;font-size:12px;font-weight:600}.lg-pill:hover{border-color:#46527d}.lg-pill.active{color:#fff;background:#5b8def;border-color:#5b8def}.lg-body{flex:1;min-height:0;padding:6px 16px 16px;overflow:auto}.lg-conv{flex-direction:column;gap:12px;max-width:520px;display:flex}.lg-field{align-items:center;gap:12px;display:flex}.lg-field span{color:#8a93a6;width:70px;font-size:12px;font-weight:600}.lg-field input{color:#e6edf3;background:#1a2138;border:1px solid #2a3350;border-radius:8px;outline:none;flex:1;padding:8px 12px;font-family:SF Mono,Menlo,monospace;font-size:14px}.lg-field input:focus{border-color:#5b8def}.lg-bits-label{color:#6b7280;margin-top:6px;font-size:11px}.lg-bits{flex-wrap:wrap;gap:4px;display:flex}.lg-bit-col{flex-direction:column;align-items:center;gap:3px;display:flex}.lg-bit{color:#6b7280;cursor:pointer;background:#1a2138;border:1.5px solid #2a3350;border-radius:7px;width:34px;height:38px;font-family:SF Mono,monospace;font-size:15px;font-weight:700}.lg-bit.on{color:#fff;background:#1f4e79;border-color:#5b8def}.lg-bit-place{color:#5a6478;font-size:9px}.lg-expr{color:#e6edf3;box-sizing:border-box;background:#1a2138;border:1px solid #2a3350;border-radius:8px;outline:none;width:100%;max-width:520px;padding:9px 12px;font-family:SF Mono,Menlo,monospace;font-size:14px}.lg-expr:focus{border-color:#5b8def}.lg-hint{color:#6b7280;margin:8px 0;font-size:11.5px}.lg-table{border-collapse:collapse;margin-top:6px;font-family:SF Mono,monospace;font-size:13px}.lg-table th,.lg-table td{text-align:center;border:1px solid #2a3350;padding:5px 16px}.lg-table th{color:#9aa6c4;background:#1a2138}.lg-table td{color:#c9d1d9}.lg-out.one{color:#2ecc71;font-weight:700}.lg-out.zero{color:#6b7280}th.lg-out{color:#5b8def}.lg-gates{flex-direction:column;gap:14px;display:flex}.lg-gatepick{flex-wrap:wrap;gap:5px;display:flex}.lg-gateplay{align-items:center;gap:16px;display:flex}.lg-gateinputs{flex-direction:column;gap:8px;display:flex}.lg-toggle{color:#9aa6c4;cursor:pointer;background:#1a2138;border:1.5px solid #2a3350;border-radius:8px;padding:8px 16px;font-family:SF Mono,monospace;font-size:14px;font-weight:700}.lg-toggle.on{color:#fff;background:#1f4e79;border-color:#5b8def}.lg-gatename{color:#5b8def;font-size:13px;font-weight:700}.lg-output{color:#6b7280;background:#1a2138;border:2px solid #2a3350;border-radius:50%;justify-content:center;align-items:center;width:48px;height:48px;font-family:SF Mono,monospace;font-size:20px;font-weight:700;display:flex}.lg-output.on{color:#fff;background:#1f6f43;border-color:#2ecc71}.ref-wrap{color:#c9d1d9;background:#0d1117;flex-direction:column;display:flex;position:absolute;inset:0}.ref-head{color:#e6edf3;background:#161b22;border-bottom:1px solid #21262d;padding:12px 16px;font-size:14px}.ref-head b{color:#79c0ff}.ref-sub{color:#6e7681;margin-top:2px;font-size:11.5px;display:block}.ref-grid{flex:1;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));align-content:start;gap:12px;min-height:0;padding:14px;display:grid;overflow:auto}.ref-card{background:#161b22;border:1px solid #21262d;border-radius:10px;overflow:hidden}.ref-topic{text-transform:uppercase;letter-spacing:.5px;color:#8b949e;padding:8px 12px 4px;font-size:11px;font-weight:700}.ref-code{color:#e6edf3;white-space:pre;margin:0;padding:4px 12px 12px;font-family:SF Mono,Menlo,Consolas,monospace;font-size:12.5px;line-height:1.5;overflow-x:auto}.cv-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.cv-head{color:#1f2937;border-bottom:1px solid #ececec;padding:14px 16px 10px;font-size:14px}.cv-head b{color:var(--accent-strong,#2f9e0f)}.cv-sub{color:#9ca3af;margin-top:3px;font-size:11.5px;display:block}.cv-scenarios{flex-wrap:wrap;gap:7px;padding:14px 16px;display:flex}.cv-chip{color:#444;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:999px;padding:7px 13px;font-family:inherit;font-size:12.5px;font-weight:600;transition:all .12s}.cv-chip:hover{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong)}.cv-helper{flex:1;min-height:0;padding:4px 16px 16px;overflow:auto}.cv-helper-label{text-transform:uppercase;letter-spacing:.5px;color:#9ca3af;margin-bottom:8px;font-size:11px;font-weight:700}.cv-empty{color:#9ca3af;font-size:13px}.cv-phrases{flex-direction:column;gap:7px;margin:0;padding:0;list-style:none;display:flex}.cv-phrases li{background:#fafafa;border:1px solid #ececec;border-radius:10px;flex-direction:column;padding:9px 12px;display:flex}.cv-target{color:#1f2937;font-size:14px;font-weight:600}.cv-trans{color:#6b7280;margin-top:1px;font-size:12px}body.mood-dark .cv-wrap{background:#1a1a1e}body.mood-dark .cv-head{color:#e5e7eb;border-color:#2a2a30}body.mood-dark .cv-chip{color:#cbd5e1;background:#232327;border-color:#3a3a42}body.mood-dark .cv-phrases li{background:#232327;border-color:#3a3a42}body.mood-dark .cv-target{color:#e5e7eb}.fc-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.fc-head{color:#6b7280;border-bottom:1px solid #ececec;padding:12px 16px;font-size:12.5px}.fc-empty{text-align:center;color:#6b7280;max-width:420px;margin:auto;padding:24px;font-size:14px}.fc-topics{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.fc-chip{color:#444;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:999px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:600}.fc-chip:hover{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong)}.fc-cardarea{flex:1;justify-content:center;align-items:center;min-height:0;padding:20px;display:flex}.fc-card{cursor:pointer;background:#fff;border:2px solid #e5e7eb;border-radius:18px;flex-direction:column;justify-content:center;align-items:center;gap:8px;width:min(90%,420px);height:min(60%,260px);font-family:inherit;transition:border-color .15s,transform 80ms;display:flex;position:relative;box-shadow:0 8px 24px #00000014}.fc-card:active{transform:scale(.99)}.fc-card.flipped{background:#f6f9ff;border-color:#cfe0f5}.fc-card.known{border-color:#86e0a6}.fc-card.review{border-color:#f2c08a}.fc-face-label{text-transform:uppercase;letter-spacing:.6px;color:#9ca3af;font-size:11px;font-weight:700}.fc-face-text{color:#1f2937;text-align:center;padding:0 18px;font-size:30px;font-weight:700;line-height:1.2}.fc-hint{color:#b6bcc6;font-size:11px;position:absolute;bottom:12px}.fc-controls{justify-content:center;gap:8px;padding:0 16px 18px;display:flex}.fc-btn{color:#444;cursor:pointer;background:#fff;border:1.5px solid #e0e0e0;border-radius:9px;padding:8px 14px;font-family:inherit;font-size:13px;font-weight:600}.fc-btn:hover{background:#f3f4f6}.fc-btn:disabled{opacity:.4;cursor:default}.fc-got{color:#178a4c;border-color:#b6e6c8}.fc-again{color:#c2772e;border-color:#f0d3ad}body.mood-dark .fc-wrap{background:#1a1a1e}body.mood-dark .fc-head{color:#9ca3af;border-color:#2a2a30}body.mood-dark .fc-card{background:#232327;border-color:#3a3a42}body.mood-dark .fc-card.flipped{background:#1e2636}body.mood-dark .fc-face-text{color:#e5e7eb}body.mood-dark .fc-btn,body.mood-dark .fc-chip{color:#cbd5e1;background:#232327;border-color:#3a3a42}.cj-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.cj-bar{border-bottom:1px solid #ececec;gap:8px;padding:12px 16px;display:flex}.cj-input{color:#1f2937;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:8px;outline:none;flex:1;max-width:320px;padding:8px 12px;font-family:inherit;font-size:14px}.cj-input:focus{border-color:var(--accent)}.cj-btn{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:8px;padding:8px 16px;font-family:inherit;font-size:13px;font-weight:700}.cj-empty{text-align:center;color:#9ca3af;max-width:380px;margin:auto;padding:24px;font-size:14px}.cj-body{flex:1;min-height:0;padding:16px;overflow:auto}.cj-head{color:#1f2937;margin-bottom:14px;font-size:18px}.cj-head b{color:var(--accent-strong,#2f9e0f)}.cj-tables{flex-wrap:wrap;align-items:flex-start;gap:16px;display:flex}.cj-table-wrap{border:1px solid #ececec;border-radius:12px;min-width:220px;overflow:hidden}.cj-tense{text-transform:capitalize;color:#6b7280;background:#fafafa;border-bottom:1px solid #ececec;padding:8px 14px;font-size:12px;font-weight:700}.cj-table{border-collapse:collapse;width:100%;font-size:14px}.cj-table td{border-bottom:1px solid #f1f1f1;padding:6px 14px}.cj-pro{color:#9ca3af;white-space:nowrap;font-size:13px}.cj-form{color:#1f2937;font-weight:600}.cj-form.irr{color:#c2772e;background:#fdf4e8}.cj-legend{color:#9ca3af;align-items:center;gap:7px;margin-top:14px;font-size:11.5px;display:flex}.cj-irrkey{background:#fdf4e8;border:1px solid #f0d3ad;border-radius:3px;width:12px;height:12px}body.mood-dark .cj-wrap{background:#1a1a1e}body.mood-dark .cj-bar{border-color:#2a2a30}body.mood-dark .cj-input{color:#e5e7eb;background:#232327;border-color:#3a3a42}body.mood-dark .cj-head{color:#e5e7eb}body.mood-dark .cj-table-wrap{border-color:#3a3a42}body.mood-dark .cj-tense{color:#9ca3af;background:#232327;border-color:#3a3a42}body.mood-dark .cj-table td{border-color:#2a2a30}body.mood-dark .cj-form{color:#e5e7eb}body.mood-dark .cj-form.irr{color:#f0b87a;background:#3a2c18}.gr-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.gr-head{color:#6b7280;border-bottom:1px solid #ececec;padding:12px 16px;font-size:12.5px}.gr-empty{text-align:center;color:#9ca3af;max-width:420px;margin:auto;padding:24px;font-size:14px}.gr-topics{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.gr-chip{color:#444;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:999px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:600}.gr-chip:hover{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong)}.gr-list{flex-direction:column;flex:1;gap:10px;min-height:0;padding:14px 16px;display:flex;overflow:auto}.gr-card{background:#fafafa;border:1.5px solid #ececec;border-radius:12px;padding:12px 14px}.gr-card.ok{background:#f1fbf4;border-color:#b6e6c8}.gr-card.no{background:#fdf7ef;border-color:#f0d3ad}.gr-prompt{color:#1f2937;margin-bottom:9px;font-size:15px;line-height:1.4}.gr-inputrow{gap:8px;display:flex}.gr-input{color:#1f2937;background:#fff;border:1.5px solid #e0e0e0;border-radius:8px;outline:none;flex:1;max-width:280px;padding:7px 11px;font-family:inherit;font-size:14px}.gr-input:focus{border-color:var(--accent)}.gr-check{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:8px;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:700}.gr-choices{flex-wrap:wrap;gap:7px;display:flex}.gr-choice{color:#374151;cursor:pointer;background:#fff;border:1.5px solid #e0e0e0;border-radius:8px;padding:7px 13px;font-family:inherit;font-size:13.5px;font-weight:600}.gr-choice:hover:not(:disabled){border-color:var(--accent)}.gr-choice:disabled{cursor:default}.gr-choice.right{color:#178a4c;background:#e9f9ef;border-color:#86e0a6}.gr-choice.wrong{color:#c0392b;background:#fdeeee;border-color:#f0b4b4}.gr-feedback{color:#374151;margin-top:9px;font-size:13px}.gr-card.ok .gr-feedback{color:#178a4c}.gr-hint{color:#6b7280}body.mood-dark .gr-wrap{background:#1a1a1e}body.mood-dark .gr-head{color:#9ca3af;border-color:#2a2a30}body.mood-dark .gr-card{background:#232327;border-color:#3a3a42}body.mood-dark .gr-card.ok{background:#182a1e;border-color:#2e6b43}body.mood-dark .gr-card.no{background:#2c2418;border-color:#6b552e}body.mood-dark .gr-prompt,body.mood-dark .gr-feedback{color:#e5e7eb}body.mood-dark .gr-input,body.mood-dark .gr-choice,body.mood-dark .gr-chip{color:#e5e7eb;background:#2a2a30;border-color:#3a3a42}.wr-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.wr-bar{border-bottom:1px solid #ececec;align-items:center;gap:12px;padding:10px 16px;display:flex}.wr-title{color:#374151;font-size:13px;font-weight:700}.wr-count{color:#9ca3af;font-size:11.5px}.wr-feedback{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:8px;margin-left:auto;padding:7px 15px;font-family:inherit;font-size:12.5px;font-weight:700}.wr-feedback:disabled{opacity:.45;cursor:default}.wr-editor{resize:none;background:var(--panel-bg,#fff);color:#1f2937;border:none;outline:none;flex:1;min-height:0;padding:20px 24px;font-family:Lexend Deca,system-ui,sans-serif;font-size:15px;line-height:1.7}.wr-editor::placeholder{color:#b6bcc6}body.mood-dark .wr-wrap{background:#1a1a1e}body.mood-dark .wr-bar{border-color:#2a2a30}body.mood-dark .wr-title{color:#e5e7eb}body.mood-dark .wr-editor{color:#e5e7eb;background:#1a1a1e}.tl-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0}.tl-empty{text-align:center;color:#9ca3af;max-width:440px;margin:auto;padding:24px;font-size:14px}.tl-chips{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.tl-chip{color:#444;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:999px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:600}.tl-chip:hover{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong)}.tl-head{color:#1f2937;padding:14px 20px 4px;font-size:17px;font-weight:700}.tl-scroll{flex:1;min-height:0;padding:12px 20px 24px;overflow:auto}.tl-line{padding-left:26px;position:relative}.tl-line:before{content:"";background:#e3e6eb;width:2px;position:absolute;top:6px;bottom:6px;left:7px}.tl-event{padding-bottom:16px;position:relative}.tl-dot{background:var(--accent);width:12px;height:12px;box-shadow:0 0 0 3px var(--brand-soft,#eefbe6);border-radius:50%;position:absolute;top:4px;left:-26px}.tl-card{background:#fafafa;border:1px solid #ececec;border-radius:12px;padding:10px 14px}.tl-date{color:var(--accent-strong,#2f9e0f);font-size:12px;font-weight:700}.tl-title{color:#1f2937;margin-top:1px;font-size:14.5px;font-weight:700}.tl-blurb{color:#5b6471;margin-top:4px;font-size:13px;line-height:1.5}body.mood-dark .tl-wrap{background:#1a1a1e}body.mood-dark .tl-head,body.mood-dark .tl-title{color:#e5e7eb}body.mood-dark .tl-line:before{background:#3a3a42}body.mood-dark .tl-card{background:#232327;border-color:#3a3a42}body.mood-dark .tl-blurb{color:#9aa3b0}body.mood-dark .tl-chip{color:#cbd5e1;background:#232327;border-color:#3a3a42}.mp-wrap{background:#aad3df;position:absolute;inset:0;overflow:hidden}.mp-map{position:absolute;inset:0}.mp-map .leaflet-container{font-family:inherit}.mp-title{z-index:500;color:#1f2937;background:#ffffffeb;border-radius:999px;padding:5px 14px;font-size:13px;font-weight:700;position:absolute;top:10px;left:50%;transform:translate(-50%);box-shadow:0 2px 8px #0000001f}.mp-overlay{z-index:500;pointer-events:none;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.mp-card{pointer-events:auto;text-align:center;color:#4b5563;background:#fffffff5;border-radius:14px;max-width:380px;padding:18px 22px;font-size:14px;box-shadow:0 8px 28px #0000002e}.mp-chips{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.mp-chip{color:#444;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:999px;padding:7px 13px;font-family:inherit;font-size:12.5px;font-weight:600}.mp-chip:hover{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong)}.src-wrap{background:#f1ece0;flex-direction:column;display:flex;position:absolute;inset:0}.src-empty{text-align:center;color:#6b6253;max-width:440px;margin:auto;padding:24px;font-size:14px}.src-chips{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.src-chip{color:#5b5340;cursor:pointer;background:#fbf8f1;border:1.5px solid #d8cdb6;border-radius:999px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:600}.src-chip:hover{border-color:var(--accent);color:var(--accent-strong)}.src-scroll{flex:1;min-height:0;padding:18px;overflow:auto}.src-doc{background:#fcf9f0;border:1px solid #e2d8c2;border-radius:6px;max-width:660px;margin:0 auto;padding:26px 30px;box-shadow:0 4px 18px #78643c1f}.src-title{color:#3a3326;text-align:center;font-family:Georgia,Times New Roman,serif;font-size:21px;font-weight:700}.src-meta{text-align:center;color:#8a7d63;margin-top:4px;font-size:12.5px;font-style:italic}.src-context{color:#6b6253;background:#f3ecdd;border-left:3px solid #cdbf9f;border-radius:4px;margin-top:14px;padding:8px 12px;font-size:12.5px}.src-text{color:#2e281d;white-space:pre-wrap;margin-top:18px;font-family:Georgia,Times New Roman,serif;font-size:15.5px;line-height:1.8}.src-q{max-width:660px;margin:16px auto 0}.src-q-label{text-transform:uppercase;letter-spacing:.5px;color:#8a7d63;margin-bottom:6px;font-size:11px;font-weight:700}.src-q ul{margin:0;padding-left:20px}.src-q li{color:#4b4435;margin-bottom:4px;font-size:13.5px;line-height:1.6}.ex-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0;overflow:hidden}.ex-empty{text-align:center;color:#9ca3af;max-width:460px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.ex-empty i{color:#6b7280;font-style:italic}.ex-bar{border-bottom:1px solid #ececec;align-items:center;gap:14px;padding:12px 20px;display:flex}.ex-title{color:#1f2937;text-overflow:ellipsis;white-space:nowrap;flex:1;min-width:0;font-size:14px;font-weight:700;overflow:hidden}.ex-timer{color:var(--accent-strong,#2f9e0f);font-variant-numeric:tabular-nums;font-size:14px;font-weight:700}.ex-timer.low{color:#e0483d}.ex-progress{color:#9ca3af;font-variant-numeric:tabular-nums;font-size:12.5px;font-weight:600}.ex-q{flex:1;min-height:0;padding:20px 22px;overflow:auto}.ex-prompt{color:#1f2937;white-space:pre-wrap;font-size:15.5px;font-weight:600;line-height:1.55}.ex-choices{flex-direction:column;gap:10px;margin-top:18px;display:flex}.ex-choice{text-align:left;color:#374151;cursor:pointer;background:#fafafa;border:1.5px solid #e3e6eb;border-radius:12px;align-items:flex-start;gap:11px;width:100%;padding:12px 14px;font-family:inherit;font-size:14px;line-height:1.45;transition:border-color .12s,background .12s;display:flex}.ex-choice:hover{border-color:var(--accent);background:var(--brand-soft,#eefbe6)}.ex-choice.sel{border-color:var(--accent);background:var(--brand-soft,#eefbe6);color:var(--accent-strong,#2f9e0f);font-weight:600}.ex-letter{color:#6b7280;background:#fff;border:1.5px solid #d8dce2;border-radius:50%;flex:none;place-items:center;width:22px;height:22px;font-size:12px;font-weight:700;display:grid}.ex-choice.sel .ex-letter{background:var(--accent);border-color:var(--accent);color:#fff}.ex-nav{border-top:1px solid #ececec;gap:10px;padding:14px 22px;display:flex}.ex-btn{color:#374151;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:10px;padding:9px 18px;font-family:inherit;font-size:13px;font-weight:600}.ex-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent-strong)}.ex-btn:disabled{opacity:.45;cursor:default}.ex-submit,.ex-end{background:var(--accent);border-color:var(--accent);color:#fff}.ex-submit:hover,.ex-end:hover{filter:brightness(1.05);color:#fff}.ex-end{color:#9ca3af;background:0 0;border-color:#e0e0e0;margin-left:auto}.ex-end:hover{color:#e0483d;filter:none;border-color:#e0483d}.ex-result-head{text-align:center;border-bottom:1px solid #ececec;padding:22px}.ex-score{color:var(--accent-strong,#2f9e0f);font-size:38px;font-weight:800;line-height:1}.ex-pct{color:#6b7280;margin-top:4px;font-size:14px;font-weight:600}.ex-again{color:#9ca3af;margin-top:8px;font-size:12.5px}.ex-review{flex-direction:column;flex:1;gap:12px;min-height:0;padding:16px 20px 28px;display:flex;overflow:auto}.ex-rcard{background:#fafafa;border:1px solid #ececec;border-left-width:4px;border-radius:10px;padding:12px 14px}.ex-rcard.ok{border-left-color:var(--accent,#2f9e0f)}.ex-rcard.no{border-left-color:#e0483d}.ex-rprompt{color:#1f2937;font-size:13.5px;font-weight:600;line-height:1.5}.ex-rnum{color:#9ca3af;margin-right:4px}.ex-rans{color:#5b6471;margin-top:7px;font-size:12.5px}.ex-good{color:var(--accent-strong,#2f9e0f)}.ex-bad{color:#e0483d}.ex-skip{color:#b08900;font-style:italic}.ex-expl{color:#5b6471;margin-top:6px;font-size:12.5px;line-height:1.5}body.mood-dark .ex-wrap{background:#1a1a1e}body.mood-dark .ex-bar,body.mood-dark .ex-nav,body.mood-dark .ex-result-head,body.mood-dark .ex-nav,body.mood-dark .ex-result-head{border-color:#3a3a42}body.mood-dark .ex-title,body.mood-dark .ex-prompt,body.mood-dark .ex-rprompt{color:#e5e7eb}body.mood-dark .ex-choice{color:#cbd5e1;background:#232327;border-color:#3a3a42}body.mood-dark .ex-letter{color:#9aa3b0;background:#1a1a1e;border-color:#4a4a52}body.mood-dark .ex-btn{color:#cbd5e1;background:#232327;border-color:#3a3a42}body.mood-dark .ex-rcard{background:#232327;border-color:#3a3a42}body.mood-dark .ex-rans,body.mood-dark .ex-expl{color:#9aa3b0}.st-studio{background:#fafbfc;flex-direction:column;display:flex;position:absolute;inset:0}.st-tabs{background:#fff;border-bottom:1px solid #e5e7eb;flex-wrap:wrap;gap:4px;padding:8px 12px 0;display:flex}.st-tab{color:#6b7280;cursor:pointer;background:0 0;border:1px solid #0000;border-bottom:none;border-radius:8px 8px 0 0;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:600}.st-tab:hover{color:#1f2937}.st-tab.active{color:var(--accent,#2f9e0f);background:#fff;border-color:#d1d5db;position:relative;top:1px}.st-body{flex:1;position:relative;overflow:auto}.st-pane{padding:14px 18px 24px}.st-empty{text-align:center;color:#9ca3af;max-width:480px;margin:40px auto;padding:12px 24px;font-size:14px;line-height:1.6}.st-head{color:#1f2937;margin-bottom:8px;font-size:16px;font-weight:700}.st-sub{text-transform:uppercase;letter-spacing:.04em;color:#9ca3af;margin:14px 0 4px;font-size:12px;font-weight:700}.st-svg{width:100%;height:auto;display:block}.st-note{color:#5b6471;margin-top:10px;font-size:13px;line-height:1.55}.st-detail{color:#5b6471;margin-bottom:6px;font-size:12.5px;line-height:1.5}.st-prob,.st-eq{color:#374151;margin-top:8px;font-size:14px}.st-eq{color:var(--accent-strong,#2f9e0f);font-weight:600}.st-prob b,.st-eq b{color:var(--accent-strong,#2f9e0f)}.st-axis{stroke:#cbd2da;stroke-width:1.2px}.st-tick{fill:#9ca3af;font-family:inherit;font-size:10.5px}.st-curve{fill:none;stroke:var(--accent,#2f9e0f);stroke-width:2.4px}.st-shade{fill:var(--accent,#2f9e0f);opacity:.16}.st-shade.p{fill:#e0483d;opacity:.26}.st-mark{stroke:#e0483d;stroke-width:1.6px;stroke-dasharray:4 3}.st-marklbl{fill:#e0483d;font-family:inherit;font-size:11px;font-weight:700}.st-bar{fill:#9cc6e8}.st-bar.on{fill:var(--accent,#2f9e0f)}.st-whisk{stroke:#6b7280;stroke-width:1.4px}.st-box{fill:var(--brand-soft,#eefbe6);stroke:var(--accent,#2f9e0f);stroke-width:1.6px}.st-median{stroke:var(--accent-strong,#2f9e0f);stroke-width:2.4px}.st-boxlbl{fill:#6b7280;font-family:inherit;font-size:11px;font-weight:700}.st-fit{stroke:var(--accent,#2f9e0f);stroke-width:2.4px}.st-pt{fill:#3a7d9e}.st-table{border-collapse:collapse;margin-top:4px;font-size:13px}.st-table th,.st-table td{text-align:right;color:#374151;border:1px solid #e3e6eb;padding:6px 14px}.st-table th{color:#1f2937;background:#fafafa}.st-rl{color:#1f2937;background:#fafafa;font-weight:700;text-align:left!important}.st-results{color:#4b5563;flex-wrap:wrap;align-items:center;gap:8px 20px;margin-top:10px;font-size:13px;display:flex}.st-results b{color:#1f2937}.st-decision{background:var(--brand-soft,#eefbe6);color:var(--accent-strong,#2f9e0f);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:700}.st-decision.reject{color:#c0392b;background:#fdecea}body.mood-dark .st-studio{background:#1a1a1e}body.mood-dark .st-tabs{background:#151517;border-color:#2c2c33}body.mood-dark .st-tab.active{background:#1a1a1e;border-color:#3a3a42}body.mood-dark .st-head,body.mood-dark .st-results b{color:#e5e7eb}body.mood-dark .st-table th,body.mood-dark .st-table td{color:#cbd5e1;border-color:#3a3a42}body.mood-dark .st-table th,body.mood-dark .st-rl{color:#e5e7eb;background:#232327}body.mood-dark .st-detail,body.mood-dark .st-note,body.mood-dark .st-results{color:#9aa3b0}body.mood-dark .st-prob{color:#cbd5e1}body.mood-dark .st-box{fill:#1f2a1a}.fin-studio{background:#fafbfc;flex-direction:column;display:flex;position:absolute;inset:0}.fin-tabs{background:#fff;border-bottom:1px solid #e5e7eb;flex-wrap:wrap;gap:4px;padding:8px 12px 0;display:flex}.fin-tab{color:#6b7280;cursor:pointer;background:0 0;border:1px solid #0000;border-bottom:none;border-radius:8px 8px 0 0;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:600}.fin-tab:hover{color:#1f2937}.fin-tab.active{color:var(--accent,#2f9e0f);background:#fff;border-color:#d1d5db;position:relative;top:1px}.fin-body{flex:1;position:relative;overflow:auto}.fin-pane{padding:14px 18px 24px}.fin-empty{text-align:center;color:#9ca3af;max-width:480px;margin:40px auto;padding:12px 24px;font-size:14px;line-height:1.6}.fin-head{color:#1f2937;margin-bottom:10px;font-size:16px;font-weight:700}.fin-sub{text-transform:uppercase;letter-spacing:.04em;color:#9ca3af;margin:16px 0 4px;font-size:12px;font-weight:700}.fin-note{color:#5b6471;margin-top:10px;font-size:13px;line-height:1.55}.fin-note2{color:#6b7280;margin-top:8px;font-size:12.5px}.fin-cards{flex-wrap:wrap;gap:8px;margin-bottom:4px;display:flex}.fin-card{background:#fff;border:1px solid #e3e6eb;border-radius:10px;flex-direction:column;flex:130px;gap:2px;min-width:120px;padding:9px 12px;display:flex}.fin-card.hi{border-color:var(--accent);background:var(--brand-soft,#eefbe6)}.fin-clbl{color:#9ca3af;text-transform:uppercase;letter-spacing:.03em;font-size:11px;font-weight:600}.fin-cval{color:#1f2937;font-size:16px;font-weight:700}.fin-card.hi .fin-cval{color:var(--accent-strong,#2f9e0f)}.fin-svg{width:100%;height:auto;display:block}.fin-axis{stroke:#cbd2da;stroke-width:1.2px}.fin-tick{fill:#9ca3af;font-family:inherit;font-size:10.5px}.fin-axlbl{fill:#6b7280;font-family:inherit;font-size:12px;font-weight:600}.fin-vline{stroke:#cbd2da;stroke-width:1px;stroke-dasharray:4 3}.fin-line{fill:none;stroke-width:2.4px}.fin-line.a{stroke:var(--accent,#2f9e0f)}.fin-line.b{stroke:#c47f00;stroke-dasharray:5 4}.fin-pt{fill:#3a7d9e}.fin-pt.pos{fill:var(--accent-strong,#2f9e0f)}.fin-pt.neg{fill:#e0483d}.fin-pt.k{fill:#c47f00}.fin-ptlbl{fill:#6b7280;font-family:inherit;font-size:10.5px;font-weight:700}body.mood-dark .fin-studio{background:#1a1a1e}body.mood-dark .fin-tabs{background:#151517;border-color:#2c2c33}body.mood-dark .fin-tab.active{background:#1a1a1e;border-color:#3a3a42}body.mood-dark .fin-head,body.mood-dark .fin-cval{color:#e5e7eb}body.mood-dark .fin-card{background:#232327;border-color:#3a3a42}body.mood-dark .fin-card.hi{background:#1f2a1a}body.mood-dark .fin-note,body.mood-dark .fin-note2{color:#9aa3b0}.de-wrap{background:var(--panel-bg,#fff);flex-direction:column;display:flex;position:absolute;inset:0;overflow:auto}.de-empty{text-align:center;color:#9ca3af;max-width:470px;margin:auto;padding:24px;font-size:14px;line-height:1.6}.de-head{color:#1f2937;flex-wrap:wrap;align-items:baseline;gap:4px 12px;padding:14px 20px 4px;font-size:16px;font-weight:700;display:flex}.de-eq{color:var(--accent-strong,#2f9e0f);font-family:SF Mono,Menlo,monospace;font-size:13px;font-weight:600}.de-plot{padding:6px 16px}.de-plot svg{width:100%;height:auto;max-height:520px;display:block}.de-axis{stroke:#c8ced6;stroke-width:1px}.de-seg{stroke:#9aa3b0;stroke-width:1.3px}.de-arrow{stroke:#9aa3b0;stroke-width:1.2px}.de-arrowhead{fill:#9aa3b0}.de-curve{fill:none;stroke:var(--accent,#2f9e0f);stroke-width:2.4px;stroke-linejoin:round}.de-init{fill:#e0483d}.de-tick{fill:#9ca3af;font-family:inherit;font-size:11px}.de-note{color:#5b6471;padding:4px 20px 18px;font-size:13px;line-height:1.55}body.mood-dark .de-wrap{background:#1a1a1e}body.mood-dark .de-head{color:#e5e7eb}body.mood-dark .de-axis{stroke:#3a3a42}body.mood-dark .de-seg,body.mood-dark .de-arrow{stroke:#5a626e}body.mood-dark .de-arrowhead{fill:#5a626e}body.mood-dark .de-note{color:#9aa3b0}.ml-studio{background:#fafbfc;flex-direction:column;display:flex;position:absolute;inset:0}.ml-tabs{background:#fff;border-bottom:1px solid #e5e7eb;flex-wrap:wrap;gap:4px;padding:8px 12px 0;display:flex}.ml-tab{color:#6b7280;cursor:pointer;background:0 0;border:1px solid #0000;border-bottom:none;border-radius:8px 8px 0 0;padding:7px 14px;font-family:inherit;font-size:13px;font-weight:600}.ml-tab:hover{color:#1f2937}.ml-tab.active{color:var(--accent,#2f9e0f);background:#fff;border-color:#d1d5db;position:relative;top:1px}.ml-body{flex:1;position:relative;overflow:auto}.ml-pane{flex-direction:column;align-items:flex-start;padding:12px 18px 24px;display:flex}.ml-empty{text-align:center;color:#9ca3af;max-width:480px;margin:40px auto;padding:12px 24px;font-size:14px;line-height:1.6}.ml-head{color:#1f2937;margin-bottom:8px;font-size:15.5px;font-weight:700}.ml-eq{color:var(--accent-strong,#2f9e0f);margin-left:8px;font-family:SF Mono,Menlo,monospace;font-size:12.5px;font-weight:600}.ml-svg{background:#fff;border:1px solid #ececec;border-radius:10px;width:100%;max-width:360px;height:auto;display:block}.ml-fit{fill:none;stroke:var(--accent,#2f9e0f);stroke-width:2.6px;stroke-linejoin:round}.ml-pt{fill:#2f74a8}.ml-step{fill:#c47f00}.ml-cur{fill:#e0483d}.ml-ctrl{gap:8px;margin:12px 0 6px;display:flex}.ml-btn{color:#374151;cursor:pointer;background:#fafafa;border:1.5px solid #e0e0e0;border-radius:8px;padding:7px 14px;font-family:inherit;font-size:12.5px;font-weight:600}.ml-btn:hover{border-color:var(--accent);color:var(--accent-strong)}.ml-btn.primary{background:var(--accent);border-color:var(--accent);color:var(--on-accent,#fff)}.ml-btn.primary:hover{filter:brightness(1.05);color:var(--on-accent,#fff)}.ml-stats{color:#4b5563;flex-wrap:wrap;align-items:center;gap:6px 18px;font-size:13px;display:flex}.ml-stats b{color:#1f2937}.ml-w{font-family:SF Mono,Menlo,monospace;font-size:11.5px}.ml-conv{color:var(--accent-strong,#2f9e0f)}.ml-spark{align-items:center;gap:10px;margin-top:8px;display:flex}.ml-spark svg{width:160px;height:36px}.ml-sparkline{fill:none;stroke:#c47f00;stroke-width:1.6px}.ml-sparklbl{color:#6b7280;font-size:12px}.ml-note{color:#5b6471;max-width:460px;margin-top:10px;font-size:13px;line-height:1.55}body.mood-dark .ml-studio{background:#1a1a1e}body.mood-dark .ml-tabs{background:#151517;border-color:#2c2c33}body.mood-dark .ml-tab.active{background:#1a1a1e;border-color:#3a3a42}body.mood-dark .ml-head,body.mood-dark .ml-stats b{color:#e5e7eb}body.mood-dark .ml-svg{background:#232327;border-color:#3a3a42}body.mood-dark .ml-btn{color:#cbd5e1;background:#232327;border-color:#3a3a42}body.mood-dark .ml-stats,body.mood-dark .ml-note,body.mood-dark .ml-sparklbl{color:#9aa3b0}.wbp-panel{z-index:20;background:#fff;border-left:1px solid #e5e7eb;flex-direction:column;width:340px;max-width:85%;display:flex;position:absolute;top:0;bottom:0;right:0;box-shadow:-4px 0 18px #00000014}.wbp-head{text-transform:uppercase;letter-spacing:.5px;color:#374151;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:10px 14px;font-size:13px;font-weight:800;display:flex}.wbp-head-btns{gap:6px;display:flex}.wbp-head-btns button{cursor:pointer;color:#6b7280;background:#f9fafb;border:1px solid #e5e7eb;border-radius:6px;padding:3px 10px;font-size:12px}.wbp-list{flex-direction:column;flex:1;gap:8px;padding:10px;display:flex;overflow-y:auto}.wbp-empty{color:#9ca3af;text-align:center;margin-top:50px;padding:0 14px;font-size:13px;line-height:1.6}.wbp-card{background:#fafbfc;border:1px solid #e5e7eb;border-radius:10px;padding:9px 11px}.wbp-card-top{align-items:center;gap:8px;margin-bottom:5px;display:flex}.wbp-badge{color:var(--accent-strong);background:#eef2ff;border-radius:5px;padding:2px 7px;font-size:11px;font-weight:700}.wbp-time{color:#9ca3af;font-size:11px}.wbp-del{color:#c4c8cf;cursor:pointer;background:0 0;border:none;margin-left:auto;padding:0 2px;font-size:15px}.wbp-del:hover{color:#dc2626}.wbp-prompt{color:#6b7280;margin-bottom:5px;font-size:11.5px;font-style:italic}.wbp-text{color:#1f2937;font-size:12.5px}.wbp-reply{white-space:pre-wrap;line-height:1.5}.wbp-quote{color:#4b5563;border-left:3px solid var(--accent);margin-top:4px;padding-left:8px;font-style:italic}.wbp-card .wb-card{margin-top:6px;padding:8px 10px}.wbp-card .wb-molar-total{font-size:17px}.wbp-card .wb-equation{font-size:14px}.wbp-code{color:#1f2937;white-space:pre-wrap;word-break:break-all;background:#f3f4f6;border-radius:6px;padding:6px 8px;font-family:SF Mono,Menlo,monospace;font-size:11.5px;overflow-x:auto}.wbp-cad{max-height:90px;overflow-y:auto}.wbp-restore{color:var(--accent-strong);cursor:pointer;background:#eef2ff;border:1px solid #c7d2fe;border-radius:6px;margin-top:7px;padding:3px 12px;font-size:12px;font-weight:600}.wbp-restore:hover{background:#e0e7ff}.graph-panel{flex-direction:column;flex:1;min-width:0;display:flex}.graph-toolbar{background:var(--panel-bg);border-bottom:1px solid #ebebeb;flex-shrink:0;justify-content:space-between;align-items:center;padding:8px 16px;display:flex}.graph-label{color:#aaa;font-size:12px;font-weight:500}.btn-clear{color:#777;cursor:pointer;background:0 0;border:1px solid #ddd;border-radius:7px;padding:5px 12px;font-size:12px}.btn-clear:hover{background:#f5f5f5}.btn-download{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:7px;padding:5px 12px;font-family:inherit;font-size:12px;font-weight:600}.btn-download:hover{background:var(--accent-strong)}.btn-bench{color:#777;cursor:pointer;background:0 0;border:1px solid #ddd;border-radius:7px;padding:5px 12px;font-family:inherit;font-size:12px}.btn-bench:hover{background:#f5f5f5}.btn-bench.active{color:var(--accent-strong);background:#eef2ff;border-color:#c7d2fe;font-weight:600}.calc-tabs{background:var(--panel-soft);scrollbar-width:none;border-bottom:1px solid #ebebeb;flex-shrink:0;gap:3px;padding:7px 12px;display:flex;overflow-x:auto}.calc-tabs::-webkit-scrollbar{display:none}.calc-tab{cursor:pointer;color:#666;white-space:nowrap;background:#fff;border:1.5px solid #e0e0e0;border-radius:6px;flex-shrink:0;padding:5px 13px;font-family:inherit;font-size:12px;font-weight:600;transition:all .15s}.calc-tab:hover{color:#333;border-color:#bbb}.calc-tab.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent)}.subject-tabs{background:var(--panel-bg);scrollbar-width:none;border-bottom:1px solid #ebebeb;flex-shrink:0;gap:3px;padding:6px 12px;display:flex;overflow-x:auto}.subject-tabs::-webkit-scrollbar{display:none}.subject-tab{cursor:pointer;color:#777;white-space:nowrap;background:0 0;border:1.5px solid #0000;border-radius:6px;flex-shrink:0;padding:4px 12px;font-family:inherit;font-size:12px;font-weight:600;transition:all .15s}.subject-tab:hover{color:#333;background:#f0f0f0}.subject-tab.active{background:var(--accent);color:var(--on-accent)}.calc-area{flex:1;min-height:0;position:relative}.wolfram-container{background:#fff;flex-direction:column;display:flex;position:absolute;inset:0;overflow-y:auto}.wolfram-toolbar{color:#aaa;border-bottom:1px solid #ebebeb;flex-shrink:0;padding:10px 16px;font-size:12px;font-weight:500}.wolfram-query{color:#666;background:#fafafa;border-bottom:1px solid #f0f0f0;flex-shrink:0;padding:8px 16px;font-size:13px;font-style:italic}.wolfram-empty{text-align:center;color:#bbb;padding:40px;font-size:14px}.wolfram-result{padding:16px}.wolfram-result img{border-radius:8px;max-width:100%}.info-card{text-align:center;background:#fff;flex-direction:column;justify-content:center;align-items:center;gap:16px;padding:40px;display:flex;position:absolute;inset:0}.info-icon{font-size:52px}.info-card h2{color:#111;font-size:22px;font-weight:700}.info-card p{color:#666;max-width:380px;font-size:14px;line-height:1.7}.btn-external{background:var(--accent);color:var(--on-accent);cursor:pointer;border:none;border-radius:10px;padding:11px 26px;font-family:inherit;font-size:14px;font-weight:600}.btn-external:hover{background:var(--accent-strong)}.info-hint{color:#bbb!important;font-size:12px!important}.calc-tab-explore{color:var(--accent-strong);border-style:dashed;font-weight:700}.calc-tab-explore.active{background:var(--accent);color:var(--on-accent);border-color:var(--accent);border-style:solid}.pz-overlay{backdrop-filter:blur(3px);z-index:100;background:#11182773;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.pz-modal{background:#fff;border-radius:18px;width:460px;max-width:92vw;max-height:90vh;padding:26px 28px;overflow-y:auto;box-shadow:0 20px 60px #00000040}.pz-modal h2{letter-spacing:-.3px;font-size:21px}.pz-sub{color:#6b7280;margin:5px 0 16px;font-size:13px}.pz-label{text-transform:uppercase;letter-spacing:.5px;color:#4b5563;margin:16px 0 8px;font-size:12px;font-weight:800;display:block}.pz-label span{text-transform:none;color:#9ca3af;letter-spacing:0;font-weight:400}.pz-name{box-sizing:border-box;border:1px solid #d1d5db;border-radius:10px;outline:none;width:100%;padding:9px 13px;font-family:inherit;font-size:14px}.pz-name:focus{border-color:var(--brand-dark)}.pz-swatches{gap:10px;display:flex}.pz-swatch{cursor:pointer;color:#374151;border:2px solid #e5e7eb;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;font-size:16px;transition:transform .1s,border-color .1s;display:flex}.pz-swatch:hover{transform:scale(1.1)}.pz-swatch.sel{border-color:var(--brand-dark);box-shadow:0 0 0 3px #5fe32659}.pz-personas{grid-template-columns:1fr 1fr;gap:8px;display:grid}.pz-persona{text-align:left;cursor:pointer;background:#fafbfc;border:2px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:2px;padding:10px 12px;font-family:inherit;transition:border-color .1s,background .1s;display:flex}.pz-persona:hover{background:#f3f4f6}.pz-persona.sel{border-color:var(--brand-dark);background:var(--brand-soft)}.pz-persona-label{color:#1f2937;font-size:13px;font-weight:700}.pz-persona-desc{color:#6b7280;font-size:11.5px;line-height:1.35}.pz-save{background:var(--ink);width:100%;color:var(--brand);cursor:pointer;border:none;border-radius:12px;margin-top:20px;padding:12px;font-family:inherit;font-size:15px;font-weight:700}.pz-save:hover{background:#000}.pz-save.secondary{color:var(--ink);border:2px solid var(--ink);background:#fff;margin-top:8px}.pz-save.secondary:hover{background:var(--brand-soft)}.pz-link{width:100%;color:var(--brand-dark);cursor:pointer;background:0 0;border:none;margin-top:12px;font-family:inherit;font-size:13px;font-weight:600}.pz-link:hover{text-decoration:underline}.pz-link.subtle{color:#9ca3af;margin-top:8px;font-size:12.5px;font-weight:400}.pz-msg{color:#dc2626;margin-top:10px;font-size:12.5px}.pz-edu{grid-template-columns:1fr 1fr 1fr;gap:8px;display:grid}.pz-grades{grid-template-columns:1fr 1fr}.pz-course{background:#fafbfc;border:1px solid #e5e7eb;border-radius:12px;margin-bottom:8px;padding:10px 12px}.pz-course-row{align-items:center;gap:8px;display:flex}.pz-course-num{text-transform:uppercase;color:#6b7280;white-space:nowrap;font-size:11px;font-weight:800}.pz-course-name{flex:1}.pz-course-del{color:#c4c8cf;cursor:pointer;background:0 0;border:none;font-size:16px}.pz-course-del:hover{color:#dc2626}.pz-attach{text-align:left;background:var(--brand-soft);width:100%;color:var(--brand-dark);cursor:pointer;border:1px dashed #9be06d;border-radius:8px;margin-top:8px;padding:7px 10px;font-family:inherit;font-size:12px}.pz-attach:hover{background:#e3fbd2}.pz-attach-side{white-space:nowrap;text-overflow:ellipsis;flex-shrink:0;width:auto;max-width:440px;margin-top:0;padding:8px 12px;font-size:11.5px;font-weight:600;overflow:hidden}.pz-course-row{flex-wrap:wrap}.pz-course-name{flex:140px;min-width:130px}.pz-subject{box-sizing:border-box;color:#9ca3af;cursor:pointer;background:#fff;border:1px solid #d1d5db;border-radius:10px;outline:none;flex:0 170px;min-width:150px;padding:9px 11px;font-family:inherit;font-size:13.5px}.pz-subject.chosen{color:#1f2937;border-color:#9be06d;font-weight:600}.pz-subject:focus{border-color:var(--brand-dark)}body.mood-dark .pz-subject{color:#71717a;background:#232327;border-color:#3a3a40}body.mood-dark .pz-subject.chosen{color:#f3f4f6;border-color:var(--brand)}.pz-scan{color:#4b5563;cursor:pointer;align-items:flex-start;gap:8px;margin-top:8px;font-size:12px;line-height:1.45;display:flex}.pz-scan input{accent-color:var(--brand-dark);cursor:pointer;flex-shrink:0;width:14px;height:14px;margin-top:2px}.pz-scan b{color:var(--brand-dark);font-weight:700}.pz-scan.scanning{opacity:1}.pz-scan.cooling{opacity:.5;cursor:not-allowed}.pz-scan.cooling input{cursor:not-allowed}.pz-scan.cooling b{color:#9ca3af}.pz-scanning{color:var(--brand-dark);align-items:center;gap:6px;display:inline-flex}.pz-spinner{vertical-align:-2px;border:2px solid color-mix(in srgb, var(--brand-dark) 30%, transparent);border-top-color:var(--brand-dark);border-radius:50%;width:13px;height:13px;animation:.7s linear infinite pz-spin;display:inline-block}@keyframes pz-spin{to{transform:rotate(360deg)}}.pz-modal .fbd-add{background:var(--brand-soft);color:var(--brand-dark);border-color:#9be06d}.pz-attach.done{color:#047857;background:#ecfdf5;border-style:solid;border-color:#6ee7b7}.pz-attach:disabled{opacity:.6;cursor:wait}.dg-moods{grid-template-columns:1fr 1fr 1fr;gap:8px;display:grid}.dg-mood{justify-content:center;min-height:58px}.dg-mood.painted{border-color:#00000026}.dg-mood.painted .pz-edu-label{color:#fff;text-shadow:0 1px 5px #0000008c}.dg-mood.painted .pz-edu-desc{color:#ffffffd9;text-shadow:0 1px 4px #00000080}.dg-mood.painted:hover{filter:brightness(1.08)}.dg-mood.painted-light{border-color:#d1d5db}.dg-mood.painted-light .pz-edu-label{color:#1f2937;text-shadow:none}.dg-mood.painted-light .pz-edu-desc{color:#6b7280;text-shadow:none}.dg-keep{color:#4b5563;cursor:pointer;align-items:center;gap:8px;margin-top:14px;font-size:12.5px;display:flex}.dg-keep input{accent-color:var(--brand-dark);cursor:pointer;width:15px;height:15px}.dg-keep span{color:#9ca3af;font-size:11.5px}.pz-menu-btn{text-align:left;cursor:pointer;background:#fafbfc;border:1px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:2px;width:100%;margin-top:10px;padding:13px 15px;font-family:inherit;display:flex}.pz-menu-btn:hover{background:var(--brand-soft);border-color:#c9ecae}.pz-menu-btn b{color:#1f2937;font-size:14px}.pz-menu-btn span{color:#6b7280;font-size:12px}.pz-menu-btn.pz-signout:hover{background:#fef2f2;border-color:#fecaca}.pz-menu-btn.pz-signout b{color:#b91c1c}.pz-menu-row{background:#fafbfc;border:1px solid #e5e7eb;border-radius:12px;justify-content:space-between;align-items:center;gap:12px;margin-top:10px;padding:13px 15px;display:flex}.pz-menu-row b{color:#1f2937;font-size:14px;display:block}.pz-menu-row span{color:#6b7280;font-size:12px}.pz-switch{cursor:pointer;flex-shrink:0;width:44px;height:25px;position:relative}.pz-switch input{opacity:0;width:0;height:0}.pz-slider{background:#d1d5db;border-radius:13px;transition:background .15s;position:absolute;inset:0}.pz-slider:before{content:"";background:#fff;border-radius:50%;width:19px;height:19px;transition:transform .15s;position:absolute;top:3px;left:3px;box-shadow:0 1px 3px #00000040}.pz-switch input:checked+.pz-slider{background:var(--brand-dark)}.pz-switch input:checked+.pz-slider:before{transform:translate(19px)}.pz-switch.disabled{opacity:.45;cursor:not-allowed}.sp-wrap{margin-top:8px}.sp-name{color:var(--brand-dark);margin-bottom:4px;font-size:13px;font-weight:700}.sp-row{align-items:center;gap:10px;display:flex}.sp-end{color:#9ca3af;white-space:nowrap;font-size:11px}.sp-row input{accent-color:var(--brand-dark);cursor:pointer;flex:1;height:20px}.pz-speed b{display:block}.pz-speed span{color:#6b7280;font-size:12px}.pz-savedmood{background:var(--brand-soft);color:#374151;border:1px solid #c9ecae;border-radius:10px;justify-content:space-between;align-items:center;gap:10px;margin-bottom:4px;padding:9px 12px;font-size:12.5px;display:flex}.pz-savedmood button{cursor:pointer;color:#4b5563;white-space:nowrap;background:#fff;border:1px solid #d1d5db;border-radius:7px;padding:4px 10px;font-family:inherit;font-size:12px}.pz-savedmood button:hover{background:#f3f4f6}.dg-courses{flex-direction:column;gap:8px;display:flex}.dg-course{text-align:left;align-items:flex-start}.dg-type-row{gap:8px;display:flex}.dg-type-row .pz-name{flex:1}.dg-go{width:auto;margin-top:0;padding:9px 20px}.dg-go:disabled{cursor:not-allowed;background:#d1d5db}.pz-edu-btn{text-align:center;cursor:pointer;background:#fafbfc;border:2px solid #e5e7eb;border-radius:12px;flex-direction:column;gap:3px;padding:10px 8px;font-family:inherit;transition:border-color .1s,background .1s;display:flex}.pz-edu-btn:hover{background:#f3f4f6}.pz-edu-btn.sel{border-color:var(--brand-dark);background:var(--brand-soft)}.pz-edu-label{color:#1f2937;font-size:13px;font-weight:700}.pz-edu-desc{color:#6b7280;font-size:10.5px;line-height:1.3}body.mood-dark .pz-modal{color:#e7e7ea;background:#18181b;box-shadow:0 20px 60px #0009}body.mood-dark .pz-modal h2{color:#f5f5f4}body.mood-dark .pz-sub{color:#9ca3af}body.mood-dark .pz-label{color:#cbd5e1}body.mood-dark .pz-label span{color:#8b8f98}body.mood-dark .pz-name{color:#f3f4f6;background:#232327;border-color:#3a3a40}body.mood-dark .pz-name::placeholder{color:#71717a}body.mood-dark .pz-name:focus{border-color:var(--brand)}body.mood-dark .pz-menu-btn,body.mood-dark .pz-menu-row{background:#232327;border-color:#34343a}body.mood-dark .pz-menu-btn b,body.mood-dark .pz-menu-row b{color:#f3f4f6}body.mood-dark .pz-menu-btn span,body.mood-dark .pz-menu-row span{color:#9ca3af}body.mood-dark .pz-menu-btn:hover{background:#2b3324;border-color:#4a6b2e}body.mood-dark .pz-menu-btn.pz-signout:hover{background:#3a1f22;border-color:#7f3338}body.mood-dark .pz-menu-btn.pz-signout b{color:#f87171}body.mood-dark .pz-edu-btn,body.mood-dark .pz-course{background:#232327;border-color:#34343a}body.mood-dark .pz-edu-btn:hover{background:#2a2a30}body.mood-dark .pz-edu-label{color:#f3f4f6}body.mood-dark .pz-edu-desc,body.mood-dark .pz-course-num{color:#9ca3af}body.mood-dark .pz-edu-btn.sel{border-color:var(--brand);background:#1e2a14}body.mood-dark .pz-link{color:var(--brand)}body.mood-dark .pz-link.subtle{color:#8b8f98}body.mood-dark .sp-name{color:var(--brand)}body.mood-dark .sp-end{color:#8b8f98}body.mood-dark .sp-row input,body.mood-dark .dg-keep input,body.mood-dark .pz-switch input:checked+.pz-slider{accent-color:var(--brand)}body.mood-dark .pz-switch input:checked+.pz-slider{background:var(--brand)}body.mood-dark .pz-save.secondary{color:#f3f4f6;background:#232327;border-color:#4a4a52}body.mood-dark .pz-save.secondary:hover{background:#2b3324}body.mood-dark .pz-attach{color:var(--brand);background:#1e2a14;border-color:#4a6b2e}body.mood-dark .pz-attach.done{background:#14210c;border-color:#4a6b2e}body.mood-dark .pz-scan{color:#cbd5e1}body.mood-dark .pz-savedmood{color:#d1d5db;background:#1e2a14;border-color:#4a6b2e}body.mood-dark .pz-savedmood button{color:#cbd5e1;background:#232327;border-color:#4a4a52}.explorer-grid{grid-template-columns:1fr 1fr;gap:8px;display:grid}.explorer-card{text-align:left;align-items:flex-start}.pz-scan.locked{color:#9ca3af;cursor:default}.pz-scan.locked b{color:#6b7280}.pz-plans{grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:4px;display:grid}.pz-plan{background:#fafbfc;border:1px solid #e5e7eb;border-radius:14px;flex-direction:column;padding:14px 14px 16px;display:flex}.pz-plan.current{border-color:var(--brand-dark);background:var(--brand-soft);box-shadow:0 0 0 3px #5fe3262e}.pz-plan-head{justify-content:space-between;align-items:baseline;gap:6px;display:flex}.pz-plan-head b{color:#1f2937;font-size:15px}.pz-plan-price{color:var(--brand-dark);font-size:13px;font-weight:700}.pz-plan-blurb{color:#6b7280;margin:6px 0 8px;font-size:11.5px;line-height:1.4}.pz-plan-perks{flex-direction:column;gap:4px;margin:0 0 10px;padding:0;list-style:none;display:flex}.pz-plan-perks li{color:#4b5563;padding-left:14px;font-size:11.5px;position:relative}.pz-plan-perks li:before{content:"✓";color:var(--brand-dark);font-weight:700;position:absolute;left:0}.pz-plan-quota{color:var(--brand-dark);margin:0 0 8px;font-size:11px;font-weight:600}.pz-plan-btn{border:2px solid var(--ink);background:var(--ink);width:100%;color:var(--brand);cursor:pointer;border-radius:9px;margin-top:auto;padding:8px;font-family:inherit;font-size:12px;font-weight:700}.pz-plan-btn:hover{background:#000}.pz-plan-btn.current{color:#9ca3af;cursor:default;background:#fff;border-color:#e5e7eb}.bk-overlay{backdrop-filter:blur(3px);z-index:1000;background:#11182773;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.bk-modal{background:#fff;border-radius:18px;width:440px;max-width:92vw;max-height:88vh;padding:24px 26px;font-family:inherit;overflow-y:auto;box-shadow:0 20px 60px #00000040}.bk-modal h2{color:#111;margin:0 0 4px;font-size:20px}.bk-sub{color:#6b7280;margin:0 0 16px;font-size:13px}.bk-label{color:#374151;margin:14px 0 5px;font-size:12px;font-weight:600;display:block}.bk-opt{color:#9ca3af;font-weight:400}.bk-input{box-sizing:border-box;color:#111;background:#fafbfc;border:2px solid #e5e7eb;border-radius:10px;width:100%;padding:9px 11px;font-family:inherit;font-size:14px}.bk-input:focus{border-color:var(--brand-dark);outline:none}.bk-durations{gap:8px;display:flex}.bk-dur{color:#374151;cursor:pointer;background:#fafbfc;border:2px solid #e5e7eb;border-radius:10px;flex:1;padding:8px;font-family:inherit;font-size:13px;transition:all .1s}.bk-dur:hover{background:#f3f4f6}.bk-dur.sel{border-color:var(--brand-dark);background:var(--brand-soft);color:var(--brand-dark);font-weight:700}.bk-error{color:#b91c1c;margin:12px 0 0;font-size:12.5px}.bk-book{background:var(--ink);width:100%;color:var(--brand);cursor:pointer;border:none;border-radius:10px;margin-top:18px;padding:12px;font-family:inherit;font-size:15px;font-weight:700}.bk-book:hover{background:#000}.bk-book:disabled{opacity:.6;cursor:default}.bk-confirm{background:var(--brand-soft);color:#1f2937;border:1px solid #c9ecae;border-radius:12px;margin-top:14px;padding:12px 14px;font-size:13px;line-height:1.5}.bk-confirm b{color:var(--brand-dark)}.bk-cal{color:var(--brand-dark);margin-top:8px;font-size:13px;font-weight:700;text-decoration:none;display:inline-block}.bk-cal:hover{text-decoration:underline}.bk-cal.small{margin:0;font-size:16px;text-decoration:none}.bk-divider{color:#6b7280;text-transform:uppercase;letter-spacing:.4px;margin:22px 0 8px;font-size:12px;font-weight:700}.bk-list{flex-direction:column;gap:6px;margin:0;padding:0;list-style:none;display:flex}.bk-item{background:#fafbfc;border:1px solid #e5e7eb;border-radius:10px;align-items:center;gap:10px;padding:9px 11px;display:flex}.bk-item-main{flex-direction:column;flex:1;min-width:0;display:flex}.bk-item-main b{color:#1f2937;font-size:13.5px}.bk-item-main span{color:#6b7280;font-size:12px}.bk-del{color:#c4c8cf;cursor:pointer;background:0 0;border:none;padding:0 2px;font-size:18px;line-height:1}.bk-del:hover{color:#ef4444}.bk-link{width:100%;color:var(--brand-dark);cursor:pointer;background:0 0;border:none;margin-top:14px;font-family:inherit;font-size:13px}.bk-link:hover{text-decoration:underline}body.mood-dark .bk-modal{color:#e5e7eb;background:#1a1a1e}body.mood-dark .bk-modal h2{color:#f3f4f6}body.mood-dark .bk-input,body.mood-dark .bk-dur{color:#e5e7eb;background:#232327;border-color:#3a3a42}body.mood-dark .bk-item{background:#232327;border-color:#3a3a42}body.mood-dark .bk-item-main b{color:#e5e7eb}:root{--brand:#5fe326;--brand-soft:#f1fde7;--brand-dark:#2f9e0f;--ink:#111;--app-bg:#0c0c0e;--accent:#5fe326;--accent-strong:#4ec01f;--on-accent:#0a0a0a;--panel-bg:#151517;--panel-soft:#1b1b1e;--chat-panel-bg:#151517;--chat-msgs-bg:#0e0e10}body{background-position:50%;background-attachment:fixed;background-color:var(--app-bg)}body.mood-dark .chat-header{border-bottom-color:#ffffff14}body.mood-dark .chat-header h1{color:#f5f5f4}body.mood-dark .welcome h2{color:#f3f4f6;text-shadow:0 1px 6px #000000d9}body.mood-dark .welcome p{color:#d1d5db;text-shadow:0 1px 6px #000000d9}body.mood-dark .msg-label{color:#d1d5db;text-shadow:0 1px 4px #000000bf}body.mood-dark .message.assistant .bubble{color:#f3f4f6;background:#26242ceb}body.mood-dark .message.robin .bubble{color:#e7fdf9;background:#162e2aeb}body.mood-dark .typing-dots{background:#26242ceb}body.mood-dark .input-area{border-top-color:#ffffff14}body.mood-dark .chat-input{color:#f3f4f6;background:#222028e6;border-color:#4a4552}body.mood-dark .chat-input::placeholder{color:#9ca3af}body.mood-dark .pdf-zone{background:color-mix(in srgb, var(--accent) 12%, #18181cb3);border-color:color-mix(in srgb, var(--accent) 45%, #333);color:color-mix(in srgb, var(--accent) 55%, white)}body.mood-dark .graph-label{color:#9ca3af}body.mood-dark .graph-toolbar{border-bottom-color:#ffffff12}body.mood-dark .btn-clear,body.mood-dark .btn-bench{color:#cbd5e1;background:#2a2830b3;border-color:#4a4552}body.mood-dark .btn-bench.active{background:color-mix(in srgb, var(--accent) 25%, #141416e6);border-color:var(--accent);color:color-mix(in srgb, var(--accent) 65%, white)}body.mood-dark .calc-tabs{border-bottom-color:#ffffff12}body.mood-dark .calc-tab{color:#cbd5e1;background:#2a2830d9;border-color:#4a4552}body.mood-dark .calc-tab:hover{color:#f3f4f6;border-color:#6b6675}body.mood-dark .calc-tab.active{background:var(--accent);color:#16130b;border-color:var(--accent)}body.mood-dark .signin-hint{color:#8fdc62}.app{background:var(--app-bg);height:100vh;padding-bottom:64px;display:flex;overflow:hidden}