:root{--bg-dark:#050510;--card:#ffffff08;--input-bg:#ffffff0d;--cyan:#00f3ff;--purple:#bc13fe;--teal:#00e5cc;--amber:#f59e0b;--text-main:#fff;--text-dim:#88a;--text-muted:#666;--border:#ffffff14;--accent:#00f3ff;--font-main:"Inter", sans-serif;--font-mono:"JetBrains Mono", monospace}[data-theme=light]{--bg-dark:#e8edf5;--card:#fffffff2;--input-bg:#e8eef4;--text-main:#0f172a;--text-dim:#334155;--text-muted:#64748b;--border:#0000001a;--accent:#0e7490;--cyan:#0e7490;--purple:#7c3aed;--teal:#0f766e;--amber:#a16207}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-dark);color:var(--text-main);font-family:var(--font-main);min-height:100vh;transition:background .3s,color .3s}.dashboard-container{max-width:1600px;margin:0 auto;padding:1.5rem}.calc-header{margin-bottom:1.5rem}.breadcrumb{color:var(--text-muted);margin-bottom:.5rem;font-size:.78rem}.breadcrumb a{color:var(--text-muted);text-decoration:none}.breadcrumb a:hover{color:var(--cyan)}.bc-sep{margin:0 .3rem}.calc-title{font-size:clamp(1.4rem,3vw,2rem);font-weight:700}.calc-subtitle{color:var(--text-dim);margin-top:.3rem;font-size:.9rem}.outer-tabs{border-bottom:1px solid var(--border);gap:4px;margin-bottom:1.5rem;display:flex}.outer-tab{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-bottom:2px solid #0000;padding:10px 20px;font-size:.9rem;transition:all .2s}.outer-tab:hover{color:var(--text-main)}.outer-tab.active{color:var(--cyan);border-bottom-color:var(--cyan)}[data-theme=light] .outer-tab.active{color:#0e7490;border-bottom-color:#0e7490}.tab-panel{display:none}.tab-panel.active{display:block}.calc-grid,.race-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}@media (width<=900px){.calc-grid,.race-grid{grid-template-columns:minmax(0,1fr);overflow:hidden}}.input-card,.result-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem}.input-card{border-left:3px solid var(--cyan)}.result-card{border-left:3px solid var(--purple)}[data-theme=light] .input-card,[data-theme=light] .result-card{background:#fff;box-shadow:0 2px 12px #00000017}.card-label{text-transform:uppercase;letter-spacing:1px;margin-bottom:1rem;font-size:.7rem;font-weight:700;display:block}.cyan-border{color:var(--cyan)}.purple-border{color:var(--purple)}.mode-row{margin-bottom:1rem}.row-label{color:var(--text-muted);margin-bottom:6px;font-size:.75rem;display:block}.separator{background:var(--border);height:1px;margin:1rem 0}.input-row{justify-content:space-between;align-items:center;gap:8px;margin-bottom:.8rem;display:flex}.input-label{color:var(--text-dim);flex:1;font-size:.82rem}.input-with-unit{gap:6px;display:flex}.glass-input{background:var(--input-bg);border:1px solid var(--border);color:var(--text-main);border-radius:8px;width:90px;padding:8px 12px;font-size:.9rem}.glass-input:focus{border-color:var(--cyan);outline:none}.glass-select{background:var(--input-bg);border:1px solid var(--border);color:var(--text-main);cursor:pointer;border-radius:8px;padding:8px 10px;font-size:.85rem}[data-theme=light] .glass-input,[data-theme=light] .glass-select{color:#0f172a;background:#e8eef4;border-color:#00000026}[data-theme=light] .glass-select option{color:#0f172a;background:#fff}.time-inputs{align-items:center;gap:4px;display:flex}.time-in{text-align:center;width:52px!important;padding:8px 6px!important}.time-sep{color:var(--text-muted);font-weight:700}.chip-group{flex-wrap:wrap;gap:6px;display:flex}.chip{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:#ffffff0a;border-radius:20px;padding:5px 11px;font-size:.78rem;transition:all .2s}.chip:hover,.chip.active{border-color:var(--cyan);color:var(--cyan);background:#00f3ff1f}[data-theme=light] .chip{color:var(--text-dim);background:#f0f4f9;border-color:#00000026}[data-theme=light] .chip:hover,[data-theme=light] .chip.active{color:#0e7490;background:#0e74901f;border-color:#0e7490}.hero-result{text-align:center;margin:1rem 0 .5rem}.hero-val{color:var(--cyan);font-size:2.8rem;font-weight:800;font-family:var(--font-mono)}.hero-unit{color:var(--text-dim);margin-top:-4px;font-size:1rem;display:block}[data-theme=light] .hero-val{color:#0e7490}.level-badge{text-align:center;color:var(--cyan);background:#00f3ff1a;border:1px solid #00f3ff4d;border-radius:20px;margin:.5rem auto;padding:6px 16px;font-size:.8rem;font-weight:700;display:inline-block}[data-theme=light] .level-badge{color:#0e7490;background:#0e74901a;border-color:#0e74904d}.stat-grid{grid-template-columns:1fr 1fr;gap:8px;margin:1rem 0;display:grid}.stat-cell{border:1px solid var(--border);background:#ffffff08;border-radius:8px;padding:10px 12px}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001a}.stat-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px;font-size:.72rem;display:block}.stat-val{color:var(--text-main);font-size:1rem;font-weight:700;font-family:var(--font-mono)}.tri-times{margin:.75rem 0}.tri-grid{grid-template-columns:1fr 1fr;gap:6px;display:grid}.tri-item{border:1px solid var(--border);background:#ffffff08;border-radius:8px;padding:8px 10px;font-size:.8rem}[data-theme=light] .tri-item{background:#edf2f9;border-color:#0000001a}.tri-label{color:var(--text-muted);margin-bottom:2px;font-size:.7rem;display:block}.tri-val{color:var(--cyan);font-family:var(--font-mono);font-weight:700}[data-theme=light] .tri-val{color:#0e7490}.formula-strip{flex-wrap:wrap;gap:6px;margin:.75rem 0;display:flex}.fpill{font-size:.72rem;font-family:var(--font-mono);border-radius:20px;padding:4px 10px}.cyan-pill{color:var(--cyan);background:#00f3ff14;border:1px solid #00f3ff33}.purple-pill{color:var(--purple);background:#bc13fe14;border:1px solid #bc13fe33}[data-theme=light] .cyan-pill{color:#0e7490;background:#0e74901a;border-color:#0e749033}[data-theme=light] .purple-pill{color:#7c3aed;background:#7c3aed1a;border-color:#7c3aed33}.action-bar{gap:8px;margin-top:1rem;display:flex}.act-btn{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:#ffffff0a;border-radius:8px;flex:1;padding:8px;font-size:.8rem;transition:all .2s}.act-btn:hover{border-color:var(--cyan);color:var(--cyan)}[data-theme=light] .act-btn{color:var(--text-dim);background:#f0f4f9;border-color:#0000001f}[data-theme=light] .act-btn:hover{color:#0e7490;border-color:#0e7490}.chart-card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem}[data-theme=light] .chart-card{background:#fff;box-shadow:0 1px 4px #0000000f}.chart-title{color:var(--text-dim);margin-bottom:1rem;font-size:.85rem}.stroke-intro{color:var(--text-dim);margin-bottom:1.5rem;font-size:.85rem;line-height:1.6}.stroke-config-row{flex-wrap:wrap;gap:1rem;margin-bottom:1.5rem;display:flex}.stroke-config-row .input-row{flex:1;min-width:200px}.stroke-cards{grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:12px;margin-bottom:1.5rem;display:grid}.stroke-card{background:var(--card);border:1px solid var(--border);border-radius:12px;transition:border-color .2s;overflow:hidden}.stroke-card:hover{border-color:var(--cyan)}[data-theme=light] .stroke-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}[data-theme=light] .stroke-card:hover{border-color:#0e7490}.stroke-card-header{align-items:center;gap:8px;padding:10px 14px;font-size:.82rem;font-weight:700;display:flex}.free-header{color:var(--cyan);background:#00f3ff1a}.back-header{color:var(--purple);background:#bc13fe1a}.breast-header{color:#10b981;background:#10b9811a}.fly-header{color:var(--amber);background:#f59e0b1a}.im-header{color:#3b82f6;background:#3b82f61a}[data-theme=light] .free-header{color:#0e7490;background:#0e74901a}[data-theme=light] .back-header{color:#7c3aed;background:#7c3aed1a}[data-theme=light] .breast-header{color:#065f46;background:#065f461a}[data-theme=light] .fly-header{color:#a16207;background:#a162071a}[data-theme=light] .im-header{color:#1e40af;background:#1e40af1a}.stroke-icon{font-size:1.1rem}.stroke-name{font-size:.82rem}.stroke-card-body{padding:12px 14px}.stroke-pace-out{font-family:var(--font-mono);color:var(--cyan);margin-top:8px;font-size:.85rem;font-weight:600}[data-theme=light] .stroke-pace-out{color:#0e7490}.stroke-charts-row{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}@media (width<=900px){.stroke-charts-row{grid-template-columns:minmax(0,1fr)}}.standards-table-wrap{overflow-x:auto}.standards-table{border-collapse:collapse;width:100%;font-size:.78rem}.standards-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;border-bottom:1px solid var(--border);white-space:nowrap;padding:6px 8px;font-size:.7rem}.standards-table td{color:var(--text-dim);font-family:var(--font-mono);border-bottom:1px solid #ffffff0a;padding:6px 8px;font-size:.78rem}.stroke-name-cell{color:var(--text-main);font-weight:600}.std-time-cell{color:var(--cyan);font-weight:700}[data-theme=light] .std-time-cell{color:#0e7490}.std-achieved{color:#10b981;font-weight:600}.std-miss{color:var(--text-muted)}[data-theme=light] .std-achieved{color:#065f46}.std-level-0{color:#6b7280;font-weight:700}.std-level-1{color:#3b82f6;font-weight:700}.std-level-2{color:#10b981;font-weight:700}.std-level-3{color:#f59e0b;font-weight:700}.std-level-4{color:#f97316;font-weight:700}.std-level-5{color:#ef4444;font-weight:700}.std-level-none{color:var(--text-muted)}[data-theme=light] .std-level-0{color:#4b5563}[data-theme=light] .std-level-1{color:#2563eb}[data-theme=light] .std-level-2{color:#059669}[data-theme=light] .std-level-3{color:#d97706}[data-theme=light] .std-level-4{color:#ea580c}[data-theme=light] .std-level-5{color:#dc2626}.css-section{margin-bottom:.5rem}.css-title{color:var(--text-main);margin-bottom:.3rem;font-size:.9rem;font-weight:700}.css-desc{color:var(--text-muted);margin-bottom:1rem;font-size:.8rem}.css-result{background:#00f3ff0f;border:1px solid #00f3ff26;border-radius:10px;align-items:center;gap:8px;margin-top:.5rem;padding:12px 16px;display:flex}[data-theme=light] .css-result{background:#eff9fb;border-color:#0e749033}.css-label{color:var(--text-dim);font-size:.82rem}.css-value{color:var(--cyan);font-size:1.4rem;font-weight:800;font-family:var(--font-mono)}[data-theme=light] .css-value{color:#0e7490}.css-unit{color:var(--text-muted);font-size:.82rem}.split-table-wrap{overflow-x:auto}.split-table{border-collapse:collapse;width:100%;font-size:.82rem}.split-table th{text-align:left;color:var(--text-muted);text-transform:uppercase;border-bottom:1px solid var(--border);white-space:nowrap;padding:8px 10px;font-size:.7rem}.split-table td{color:var(--text-dim);border-bottom:1px solid #ffffff0a;padding:8px 10px}.split-table td:nth-child(3),.split-table td:nth-child(4),.split-table td:nth-child(5){font-family:var(--font-mono);font-weight:600}.split-table td:nth-child(5){color:var(--cyan)}[data-theme=light] .split-table td{border-color:#0000000d}[data-theme=light] .split-table td:nth-child(5){color:#0e7490}.zones-section{margin-top:.5rem}.zones-title{color:var(--text-main);margin-bottom:.3rem;font-size:1rem;font-weight:700}.zone-cards{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px;display:grid}.zone-card{background:var(--card);border:1px solid var(--border);border-left:4px solid #888;border-radius:10px;padding:14px 16px;transition:border-color .2s}[data-theme=light] .zone-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000f}.zone-card-header{justify-content:space-between;align-items:center;margin-bottom:6px;display:flex}.zone-name{font-size:.9rem;font-weight:700}.zone-pct{color:var(--text-muted);font-size:.72rem}.zone-pace{font-family:var(--font-mono);color:var(--text-main);margin-bottom:4px;font-size:1.1rem;font-weight:700}.zone-desc{color:var(--text-dim);font-size:.78rem;line-height:1.5}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}.section-title{color:var(--text-main);margin-bottom:1rem;font-size:1.1rem;font-weight:700}.how-section,.formula-pills2,.gloss-section2,.ex-section2,.calc-article,.faq-section,.calc-related{margin-bottom:2.5rem}.how-steps{flex-direction:column;gap:1rem;display:flex}.how-step{align-items:flex-start;gap:1rem;display:flex}.step-num{border:1px solid var(--cyan);width:32px;height:32px;color:var(--cyan);background:#00f3ff1f;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex}[data-theme=light] .step-num{color:#0e7490;background:#0e74901f;border-color:#0e7490}.step-body{color:var(--text-dim);padding-top:4px;font-size:.88rem;line-height:1.6}.step-body strong{color:var(--text-main)}.pill-row{flex-wrap:wrap;gap:8px;display:flex}.fpill2{font-size:.8rem;font-family:var(--font-mono);border-radius:20px;padding:6px 14px}.cyan-pill2{color:var(--cyan);background:#00f3ff14;border:1px solid #00f3ff33}.purple-pill2{color:var(--purple);background:#bc13fe14;border:1px solid #bc13fe33}.teal-pill2{color:var(--teal);background:#00e5cc14;border:1px solid #00e5cc33}.amber-pill2{color:var(--amber);background:#f59e0b14;border:1px solid #f59e0b33}[data-theme=light] .cyan-pill2{color:#0e7490;background:#0e74901a;border-color:#0e749033}[data-theme=light] .purple-pill2{color:#7c3aed;background:#7c3aed1a;border-color:#7c3aed33}[data-theme=light] .teal-pill2{color:#0f766e;background:#0f766e1a;border-color:#0f766e33}[data-theme=light] .amber-pill2{color:#a16207;background:#a162071a;border-color:#a1620733}.gloss-grid{grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:10px;display:grid}.gloss-item{background:var(--card);border:1px solid var(--border);color:var(--text-dim);border-radius:8px;padding:10px 14px;font-size:.83rem;line-height:1.5}[data-theme=light] .gloss-item{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000d}.gloss-item strong{color:var(--text-main)}.ex-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:10px;display:grid}.ex-card{background:var(--card);border:1px solid var(--border);color:var(--text-dim);border-radius:8px;padding:12px 14px;font-size:.83rem;line-height:1.6}[data-theme=light] .ex-card{background:#fff;border-color:#0000001a;box-shadow:0 1px 4px #0000000d}.ex-card strong{color:var(--text-main)}.ex-hi{color:var(--cyan);font-weight:700}[data-theme=light] .ex-hi{color:#0e7490}.calc-article{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.5rem}[data-theme=light] .calc-article{background:#fff;box-shadow:0 1px 4px #0000000f}.calc-article h2{color:var(--text-main);margin-bottom:.75rem;font-size:1.1rem}.calc-article h3{color:var(--cyan);margin:1rem 0 .5rem;font-size:.95rem}[data-theme=light] .calc-article h3{color:#0e7490}.calc-article p{color:var(--text-dim);margin-bottom:.75rem;font-size:.87rem;line-height:1.75}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid #ffffff0f}.faq-item__question{cursor:pointer;color:var(--text-main);user-select:none;justify-content:space-between;align-items:center;padding:14px 4px;font-size:.9rem;font-weight:600;list-style:none;transition:color .2s;display:flex}.faq-item__question::-webkit-details-marker{display:none}.faq-item__question:after{content:"+";color:var(--text-dim);flex-shrink:0;margin-left:16px;font-size:1.1rem;transition:color .2s}.faq-item[open] .faq-item__question:after{content:"−";color:var(--accent)}.faq-item__question:hover{color:var(--cyan)}.faq-item__answer{color:var(--text-dim);padding:0 4px 14px;font-size:.85rem;line-height:1.75}[data-theme=light] .faq-list{gap:8px}[data-theme=light] .faq-item{background:#fff;border:1px solid #0000001a;border-radius:10px;transition:box-shadow .2s,border-color .2s;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#0e749059;box-shadow:0 2px 10px #0e749014}[data-theme=light] .faq-item[open]{border-color:#0e749066 #0e749066 #0e749066 #0e7490;border-left-style:solid;border-left-width:3px;box-shadow:0 2px 12px #0e74901a}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:after{color:#64748b}[data-theme=light] .faq-item[open] .faq-item__question:after,[data-theme=light] .faq-item__question:hover{color:#0e7490}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}.related-grid{grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;display:grid}.related-card{background:var(--card);border:1px solid var(--border);text-align:center;border-radius:10px;flex-direction:column;align-items:center;gap:6px;padding:14px;text-decoration:none;transition:all .2s;display:flex}.related-card:hover{border-color:var(--cyan);transform:translateY(-2px)}[data-theme=light] .related-card{background:#fff;box-shadow:0 1px 4px #0000000f}[data-theme=light] .related-card:hover{border-color:#0e7490}.rc-emoji{font-size:1.5rem}.rc-name{color:var(--text-dim);font-size:.78rem}.toast-container{z-index:9999;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:20px;right:20px}.toast{border-radius:8px;padding:10px 16px;font-size:.85rem;animation:.3s toastIn;box-shadow:0 4px 16px #0000004d}.toast-success{color:#fff;background:#10b981e6}.toast-warn{color:#000;background:#f59e0be6}.toast-error{color:#fff;background:#ef4444e6}@keyframes toastIn{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}[data-theme=light] .dashboard-container{background:0 0}[data-theme=light] .stat-val,[data-theme=light] .zone-pace{color:#0f172a}[data-theme=light] .stroke-card,[data-theme=light] .zone-card{border-color:#0000001a}[data-theme=light] .standards-table td,[data-theme=light] .split-table td{border-color:#0000000f}[data-theme=light] .outer-tab:hover{color:#0f172a}[data-theme=light] .standards-table th,[data-theme=light] .split-table th{color:#64748b;border-color:#0000001a}[data-theme=light] .stroke-card-body{background:#f8fafc}[data-theme=light] .zone-card-header{background:0 0}[data-theme=light] ::-webkit-scrollbar-track{background:#e8edf5}[data-theme=light] ::-webkit-scrollbar-thumb{background:#94a3b8;border-radius:4px}[data-theme=light] input::placeholder{color:#0006}