:root{--bg-dark:#050510;--card:#0d0d1f;--input-bg:#111128;--accent:#8b5cf6;--accent-glow:#8b5cf64d;--cyan:#00f3ff;--emerald:#10b981;--amber:#f59e0b;--red:#ef4444;--text-main:#fff;--text-dim:#88a;--text-muted:#555570;--border:#ffffff14;--input-border:#ffffff1f;--font-mono:"Courier New", monospace}[data-theme=light]{--bg-dark:#e8edf5;--card:#fff;--input-bg:#f0f4f9;--accent:#7c3aed;--accent-glow:#7c3aed33;--cyan:#0e7490;--emerald:#065f46;--amber:#92400e;--red:#b91c1c;--text-main:#0f172a;--text-dim:#334155;--text-muted:#64748b;--border:#0000001a;--input-border:#00000026}*,:before,:after{box-sizing:border-box}body{background:var(--bg-dark);color:var(--text-main);min-height:100vh;margin:0;padding:0;font-family:Inter,sans-serif;transition:background .3s,color .3s}a{color:inherit}.calc-breadcrumb{color:var(--text-dim);flex-wrap:wrap;align-items:center;gap:6px;padding:10px 24px;font-size:.78rem;display:flex}.calc-breadcrumb a{color:var(--text-dim);text-decoration:none}.calc-breadcrumb a:hover{color:var(--accent)}.calc-breadcrumb .sep{color:var(--text-muted)}.page-header{text-align:center;padding:24px 24px 0}.page-title{background:linear-gradient(135deg,#8b5cf6,#a78bfa);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 8px;font-size:2rem;font-weight:800}[data-theme=light] .page-title{background:linear-gradient(135deg,#7c3aed,#6d28d9);-webkit-background-clip:text;background-clip:text}.page-subtitle{color:var(--text-dim);margin:0 0 20px;font-size:.95rem}.main-container{max-width:1100px;margin:0 auto;padding:20px 16px 40px}.main-grid{grid-template-columns:1fr 1.4fr;gap:16px;display:grid}@media (width<=860px){.main-grid{grid-template-columns:minmax(0,1fr);overflow:hidden}}.top-tab-control{background:#ffffff0a;border-radius:12px;gap:4px;margin-bottom:20px;padding:4px;display:flex}[data-theme=light] .top-tab-control{background:#0000000a}.top-tab-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:8px;flex:1;padding:10px 12px;font-family:inherit;font-size:.82rem;font-weight:600;transition:all .2s}.top-tab-btn.active{color:var(--text-main);background:#8b5cf633;box-shadow:0 0 12px #8b5cf64d}[data-theme=light] .top-tab-btn.active{box-shadow:none;color:#7c3aed;background:#7c3aed1f}.tab-panel{display:none}.tab-panel.active{display:block}.input-card{background:var(--card);border-left:3px solid var(--cyan);border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);border-radius:12px;margin-bottom:14px;padding:20px}[data-theme=light] .input-card{box-shadow:0 2px 12px #00000012}.result-card{background:var(--card);border-left:3px solid var(--accent);border-top:1px solid var(--border);border-right:1px solid var(--border);border-bottom:1px solid var(--border);border-radius:12px;margin-bottom:14px;padding:20px}[data-theme=light] .result-card{box-shadow:0 2px 12px #00000012}.card-label{letter-spacing:1.5px;text-transform:uppercase;color:var(--text-dim);margin-bottom:14px;font-size:.7rem;font-weight:700}.info-block{border:1px solid var(--border);background:#ffffff08;border-radius:10px;margin-bottom:14px;padding:16px 18px}[data-theme=light] .info-block{background:#f0f4f9}.info-block h4{color:var(--accent);margin:0 0 10px;font-size:.95rem}.info-block p,.info-block li{color:var(--text-dim);margin:0 0 6px;font-size:.86rem;line-height:1.65}.info-block ul{margin:0;padding-left:18px}.input-group{margin-bottom:14px}.input-group label{color:var(--text-dim);margin-bottom:6px;font-size:.8rem;font-weight:500;display:block}.num-input{background:var(--input-bg);border:1px solid var(--input-border);width:100%;color:var(--text-main);border-radius:8px;padding:10px 12px;font-family:inherit;font-size:.95rem}.num-input:focus{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow);outline:none}[data-theme=light] .num-input{color:#0f172a;background:#f0f4f9}[data-theme=light] .num-input::placeholder{color:#0006}.chip-row{flex-wrap:wrap;gap:8px;display:flex}.chip{border:1px solid var(--input-border);color:var(--text-dim);cursor:pointer;background:#ffffff0a;border-radius:20px;padding:6px 14px;font-family:inherit;font-size:.8rem;font-weight:600;transition:all .2s}.chip.active{border-color:var(--accent);color:var(--text-main);background:#8b5cf633}[data-theme=light] .chip{color:var(--text-dim);background:#edf2f9;border-color:#0000001f}[data-theme=light] .chip.active{color:#7c3aed;background:#7c3aed1f;border-color:#7c3aed}.sleep-day-grid{grid-template-columns:repeat(7,1fr);gap:8px;margin-bottom:14px;display:grid}.day-wrap{flex-direction:column;align-items:center;gap:4px;display:flex}.day-name{color:var(--text-dim);letter-spacing:.04em;font-size:.68rem;font-weight:700}.day-bar-col{background:#ffffff0f;border-radius:6px;width:100%;height:56px;position:relative;overflow:hidden}[data-theme=light] .day-bar-col{background:#edf2f9}.day-bar-fill{border-radius:6px 6px 0 0;transition:height .3s,background .3s;position:absolute;bottom:0;left:0;right:0}.day-bar-fill.good{background:linear-gradient(#34d399,#10b981)}.day-bar-fill.warn{background:linear-gradient(#fbbf24,#f59e0b)}.day-bar-fill.bad{background:linear-gradient(#f87171,#ef4444)}.day-input{background:var(--input-bg);border:1px solid var(--input-border);width:100%;color:var(--text-main);text-align:center;border-radius:6px;padding:6px 4px;font-family:inherit;font-size:.82rem}.day-input:focus{border-color:var(--accent);outline:none}[data-theme=light] .day-input{color:#0f172a;background:#f0f4f9}.day-hrs{color:var(--text-muted);margin-top:2px;font-size:.62rem}.score-ring-section{align-items:center;gap:20px;margin-bottom:16px;display:flex}.score-ring-wrap{flex-shrink:0;width:120px;height:120px;position:relative}.score-ring-wrap svg{transform:rotate(-90deg)}.score-arc-bg{fill:none;stroke:#ffffff14;stroke-width:10px}[data-theme=light] .score-arc-bg{stroke:#edf2f9}.score-arc-fill{fill:none;stroke:var(--accent);stroke-width:10px;stroke-linecap:round;stroke-dasharray:314.16;stroke-dashoffset:314.16px;transition:stroke-dashoffset .6s,stroke .4s}.score-overlay{text-align:center;flex-direction:column;justify-content:center;align-items:center;display:flex;position:absolute;inset:0}.score-number{color:var(--text-main);font-size:1.9rem;font-weight:800;line-height:1}.score-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-dim);margin-top:2px;font-size:.6rem;font-weight:700}.score-info{flex:1}.score-grade{margin-bottom:4px;font-size:1.1rem;font-weight:700}.score-desc{color:var(--text-dim);font-size:.82rem;line-height:1.5}.hero-value{color:var(--accent);text-shadow:0 0 20px var(--accent-glow);text-align:center;margin:8px 0 4px;font-size:2.6rem;font-weight:800}.hero-label{text-align:center;color:var(--text-dim);margin-bottom:16px;font-size:.85rem}.stat-grid{grid-template-columns:repeat(3,1fr);gap:8px;margin-bottom:14px;display:grid}.stat-box{text-align:center;background:#ffffff0a;border-radius:8px;padding:10px 8px}[data-theme=light] .stat-box{background:#edf2f9;border:1px solid #00000014}.stat-value{color:var(--accent);font-size:1.15rem;font-weight:700}.stat-label{color:var(--text-dim);margin-top:3px;font-size:.66rem}.cog-bar-wrap{background:#ffffff0f;border-radius:6px;height:10px;margin:10px 0 8px;overflow:hidden}[data-theme=light] .cog-bar-wrap{background:#edf2f9}.cog-bar-fill{background:linear-gradient(90deg,#f59e0b,#ef4444);border-radius:6px;height:100%;transition:width .5s}.cog-desc{color:var(--text-dim);margin:0;font-size:.83rem;line-height:1.5}.bedtime-time-display{color:var(--cyan);text-align:center;font-size:2rem;font-weight:800;font-family:var(--font-mono);margin:8px 0 6px}.bedtime-note{color:var(--text-dim);text-align:center;margin:0;font-size:.82rem;line-height:1.5}.alert-item{border-radius:8px;margin-bottom:8px;padding:10px 14px;font-size:.82rem;line-height:1.5}.alert-success{color:#34d399;background:#10b9811a;border:1px solid #10b98140}.alert-warn{color:#fbbf24;background:#f59e0b1a;border:1px solid #f59e0b40}.alert-danger{color:#f87171;background:#ef44441a;border:1px solid #ef444440}[data-theme=light] .alert-success{color:#065f46;background:#f0fdf4;border-color:#10b9814d}[data-theme=light] .alert-warn{color:#92400e;background:#fffbeb;border-color:#f59e0b4d}[data-theme=light] .alert-danger{color:#b91c1c;background:#fff1f2;border-color:#ef44444d}.action-bar{flex-wrap:wrap;gap:8px;margin-top:14px;display:flex}.btn-action{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:#ffffff0d;border-radius:8px;padding:9px 16px;font-family:inherit;font-size:.82rem;font-weight:600;transition:all .2s}.btn-action:hover{border-color:var(--accent);color:var(--text-main);background:#8b5cf626}[data-theme=light] .btn-action{color:var(--text-dim);background:#edf2f9;border-color:#0000001f}[data-theme=light] .btn-action:hover{color:#7c3aed;background:#7c3aed14;border-color:#7c3aed}.chart-block{border:1px solid var(--border);background:#ffffff08;border-radius:10px;margin-bottom:14px;padding:16px}[data-theme=light] .chart-block{background:#fff;box-shadow:0 1px 4px #0000000f}.inner-tab-row{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.inner-tab-btn{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:#ffffff08;border-radius:20px;padding:7px 14px;font-family:inherit;font-size:.78rem;font-weight:600;transition:all .2s}.inner-tab-btn.active{border-color:var(--accent);color:var(--text-main);background:#8b5cf633}[data-theme=light] .inner-tab-btn{color:var(--text-dim);background:#edf2f9;border-color:#0000001a}[data-theme=light] .inner-tab-btn.active{color:#7c3aed;background:#7c3aed1a;border-color:#7c3aed}.scenario-cards{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:14px;display:grid}@media (width<=600px){.scenario-cards{grid-template-columns:minmax(0,1fr);overflow:hidden}}.scenario-card{text-align:center;border:1px solid var(--border);border-radius:10px;padding:14px}.scenario-card--bear{background:#10b98112;border-color:#10b98140}.scenario-card--base{background:#8b5cf61a;border-color:#8b5cf64d}.scenario-card--bull{background:#f59e0b12;border-color:#f59e0b40}[data-theme=light] .scenario-card--bear{background:#f0fdf4;border-color:#10b9814d}[data-theme=light] .scenario-card--base{background:#7c3aed0f;border-color:#7c3aed40}[data-theme=light] .scenario-card--bull{background:#fffbeb;border-color:#f59e0b4d}.sc-label{text-transform:uppercase;letter-spacing:.06em;color:var(--text-dim);margin-bottom:6px;font-size:.72rem;font-weight:700}.sc-value{color:var(--text-main);margin-bottom:2px;font-size:1.5rem;font-weight:800}.scenario-card--bear .sc-value{color:#34d399}.scenario-card--base .sc-value{color:#a78bfa}.scenario-card--bull .sc-value{color:#fbbf24}[data-theme=light] .scenario-card--bear .sc-value{color:#065f46}[data-theme=light] .scenario-card--base .sc-value{color:#7c3aed}[data-theme=light] .scenario-card--bull .sc-value{color:#92400e}.sc-sub{color:var(--text-dim);font-size:.75rem}.sens-matrix{border-collapse:collapse;width:100%;margin-top:8px;font-size:.78rem}.sens-matrix td,.sens-matrix th{text-align:center;border:1px solid var(--border);padding:7px 10px}.sens-matrix th{color:var(--text-dim);background:#ffffff0a;font-size:.72rem;font-weight:700}[data-theme=light] .sens-matrix th{color:#334155;background:#edf2f9}.sens-cell{color:var(--text-main);font-weight:600;transition:background .3s}[data-theme=light] .sens-cell{color:#0f172a}.sens-cell.current{outline:2px solid var(--accent);outline-offset:-2px;font-weight:800}.recovery-row{grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px;display:grid}.recovery-card{border:1px solid var(--border);background:#ffffff0a;border-radius:10px;padding:14px}[data-theme=light] .recovery-card{background:#f0f4f9}.recovery-card h4{color:var(--accent);margin:0 0 8px;font-size:.85rem;font-weight:700}.recovery-card p{color:var(--text-dim);margin:0;font-size:.82rem;line-height:1.5}.goal-result{color:var(--text-dim);border:1px solid var(--border);background:#ffffff08;border-radius:8px;margin-top:10px;padding:12px;font-size:.9rem;line-height:1.5}[data-theme=light] .goal-result{background:#edf2f9}.goal-result strong{color:var(--accent)}.nap-grid{grid-template-columns:1fr 1fr;gap:8px;margin-top:10px;display:grid}.nap-card{border:1px solid var(--border);text-align:center;background:#ffffff0a;border-radius:10px;padding:12px}[data-theme=light] .nap-card{background:#edf2f9}.nap-card .nap-icon{margin-bottom:4px;font-size:1.4rem}.nap-card .nap-count{color:var(--accent);font-size:1.2rem;font-weight:800}.nap-card .nap-label{color:var(--text-dim);margin-top:2px;font-size:.72rem}.bedtime-options-grid{flex-direction:column;gap:8px;margin-top:10px;display:flex}.bedtime-option{border:1px solid var(--border);background:#ffffff0a;border-radius:8px;justify-content:space-between;align-items:center;padding:10px 14px;display:flex}[data-theme=light] .bedtime-option{background:#edf2f9}.bedtime-option-hrs{color:var(--text-dim);font-size:.8rem}.bedtime-option-time{color:var(--cyan);font-size:1.1rem;font-weight:700;font-family:var(--font-mono)}.science-fact-li{border-bottom:1px solid var(--border);color:var(--text-dim);gap:10px;padding:8px 0;font-size:.84rem;line-height:1.5;display:flex}.science-fact-li:last-child{border-bottom:none}.science-fact-li .fact-icon{flex-shrink:0;font-size:1rem}.science-fact-li strong{color:var(--text-main)}.toast{z-index:9999;border-radius:10px;max-width:320px;padding:12px 18px;font-family:inherit;font-size:.88rem;font-weight:600;line-height:1.4;animation:.3s toastIn;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #0006}@keyframes toastIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.toast-success{color:#d1fae5;background:#065f46;border:1px solid #34d3994d}.toast-warn{color:#fef3c7;background:#78350f;border:1px solid #fbbf244d}.toast-error{color:#fee2e2;background:#7f1d1d;border:1px solid #f871714d}.toast strong{margin-bottom:2px;display:block}.faq-list{flex-direction:column;display:flex}.faq-item{border-bottom:1px solid var(--border)}.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:"+";font-family:var(--font-mono);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(--accent)}.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;overflow:hidden;box-shadow:0 1px 4px #0000000f}[data-theme=light] .faq-item:hover{border-color:#7c3aed40}[data-theme=light] .faq-item[open]{border-color:#7c3aed66 #7c3aed66 #7c3aed66 #7c3aed;border-left-style:solid;border-left-width:3px}[data-theme=light] .faq-item__question{color:#0f172a;padding:14px 16px}[data-theme=light] .faq-item__question:hover{color:#7c3aed}[data-theme=light] .faq-item__answer{color:#475569;border-top:1px solid #0000000f;padding:12px 16px 16px}.page-sections-outer{max-width:1100px;margin:0 auto;padding:0 1.5rem 3rem}.u-section{margin:2.5rem 0}.u-title{color:var(--accent);letter-spacing:.03em;margin-bottom:1.2rem;font-size:1.4rem;font-weight:700}[data-theme=light] .u-title{color:#7c3aed}.ob-grid{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.2rem;display:grid}.ob-card{background:#8b5cf60d;border:1px solid #8b5cf633;border-radius:12px;padding:1.4rem}[data-theme=light] .ob-card{background:#fff;border-color:#7c3aed33;box-shadow:0 1px 4px #0000000f}.ob-num{color:var(--accent);opacity:.5;font-size:2rem;font-weight:800;line-height:1}.ob-card h3{color:var(--text-main);margin:.4rem 0 .5rem;font-size:1rem;font-weight:700}.ob-card p{color:var(--text-dim);margin:0;font-size:.88rem}.formula-pills2{flex-wrap:wrap;gap:.8rem;margin-top:1rem;display:flex}.fp2{background:#8b5cf614;border:1px solid #8b5cf640;border-radius:10px;flex:1;min-width:220px;padding:13px 16px}[data-theme=light] .fp2{background:#7c3aed0f;border-color:#7c3aed33}.fp2-label{color:var(--accent);text-transform:uppercase;letter-spacing:.06em;margin-bottom:4px;font-size:.73rem;font-weight:700}.fp2-eq{color:var(--text-main);font-size:.96rem;font-weight:700;font-family:var(--font-mono);margin-bottom:4px}.fp2-desc{color:var(--text-dim);margin:0;font-size:.8rem}.gloss-grid2{grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px;margin-top:1rem;display:grid}.g-item2{border:1px solid var(--border);background:#ffffff05;border-radius:10px;padding:13px 14px}[data-theme=light] .g-item2{background:#fff;box-shadow:0 1px 3px #0000000f}.g-item2 dt{color:var(--cyan);margin:0 0 4px;font-size:.85rem;font-weight:700;display:block}.g-item2 dd{color:var(--text-dim);margin:0;font-size:.82rem}.ex-grid2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px;margin-top:1rem;display:grid}.ex-card2{border:1px solid var(--border);background:#ffffff05;border-radius:12px;padding:18px}[data-theme=light] .ex-card2{background:#fff;box-shadow:0 1px 4px #0000000f}.ex-badge2{color:var(--accent);letter-spacing:.05em;text-transform:uppercase;background:#8b5cf61f;border-radius:20px;margin-bottom:8px;padding:2px 9px;font-size:.68rem;font-weight:700;display:inline-block}.ex-card2 h3{color:var(--text-main);margin:0 0 8px;font-size:.92rem;font-weight:700}.ex-card2 p{color:var(--text-dim);margin:0 0 4px;font-size:.82rem}.article-body2{color:var(--text-dim);font-size:.92rem;line-height:1.72}.article-body2 h3{color:var(--text-main);margin:22px 0 8px;font-size:1.05rem;font-weight:700}.article-body2 p{margin:0 0 12px}.rel-grid2{grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:1rem;display:grid}.rel-card2{border:1px solid var(--border);color:var(--text-dim);background:#ffffff05;border-radius:10px;padding:12px 14px;font-size:.87rem;text-decoration:none;transition:all .2s;display:block}.rel-card2:hover{border-color:var(--accent);color:var(--text-main);background:#8b5cf614}[data-theme=light] .rel-card2{background:#fff;box-shadow:0 1px 3px #0000000f}[data-theme=light] .rel-card2:hover{color:#7c3aed;background:#7c3aed0f;border-color:#7c3aed}.act-row2{flex-wrap:wrap;gap:10px;margin:24px 0;display:flex}.act-btn2{border:1px solid var(--border);color:var(--text-dim);cursor:pointer;background:#ffffff0a;border-radius:8px;padding:8px 18px;font-family:inherit;font-size:.84rem;font-weight:600;transition:all .2s}.act-btn2:hover{border-color:var(--accent);color:var(--text-main);background:#8b5cf61a}[data-theme=light] .act-btn2{background:#edf2f9;border-color:#0000001a}[data-theme=light] .act-btn2:hover{color:#7c3aed;background:#7c3aed14;border-color:#7c3aed}.section-title{color:var(--text-main);margin:0 0 16px;font-size:1.1rem;font-weight:700}.calc-back-to-top{background:var(--accent);color:#fff;cursor:pointer;width:40px;height:40px;box-shadow:0 4px 12px var(--accent-glow);z-index:900;border:none;border-radius:50%;justify-content:center;align-items:center;transition:opacity .2s;display:none;position:fixed;bottom:24px;left:24px}.calc-back-to-top svg{width:18px;height:18px}.calc-page-footer{text-align:center;color:var(--text-muted);border-top:1px solid var(--border);margin-top:40px;padding:30px 16px;font-size:.78rem}.calc-page-footer a{color:var(--text-dim);text-decoration:none}.calc-page-footer a:hover{color:var(--accent)}.skip-link{z-index:9999;background:var(--accent);color:#fff;border-radius:0 0 8px;padding:8px 16px;text-decoration:none;position:absolute;top:0;left:-9999px}.skip-link:focus{left:0}@media (width<=860px){.top-tab-btn{padding:8px 6px;font-size:.75rem}.stat-grid{grid-template-columns:repeat(3,1fr)}.recovery-row{grid-template-columns:minmax(0,1fr);overflow:hidden}.page-title{font-size:1.5rem}.hero-value{font-size:2rem}.bedtime-time-display{font-size:1.5rem}}@media (width<=480px){.sleep-day-grid{gap:4px}.day-input{padding:5px 2px;font-size:.75rem}.inner-tab-row{gap:4px}.inner-tab-btn{padding:6px 10px;font-size:.72rem}.nap-grid{grid-template-columns:1fr 1fr}}