:root{--accent:#00f3ff;--bg-dark:#050510;--card:#0d0d1f;--input-bg:#111128;--text-main:#fff;--text-dim:#88a;--text-muted:#557;--cyan:#00f3ff;--purple:#bc13fe;--green:#10b981;--red:#f43f5e;--amber:#f59e0b;--border:#ffffff14;--radius:12px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-dark);color:var(--text-main);min-height:100vh;font-family:Inter,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.calc-breadcrumb{color:var(--text-muted);padding:10px 24px;font-size:.79rem}.calc-breadcrumb a{color:var(--text-dim)}.calc-breadcrumb a:hover{color:var(--accent)}.main-container{max-width:1200px;margin:0 auto;padding:24px}.calc-title{margin-bottom:8px;font-size:2rem;font-weight:700}.calc-subtitle{color:var(--text-dim);margin-bottom:24px;font-size:.95rem}.tab-nav{border-bottom:1px solid var(--border);margin-bottom:24px;display:flex;overflow-x:auto}.tab-btn{color:var(--text-dim);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-bottom:2px solid #0000;flex-shrink:0;margin-bottom:-1px;padding:10px 22px;font-family:inherit;font-size:.9rem;transition:all .2s}.tab-btn:hover{color:var(--text-main)}.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);font-weight:600}.tab-content{display:none}.tab-content.active{display:block}.calc-layout{grid-template-columns:340px 1fr;align-items:start;gap:20px;display:grid}@media (width<=900px){.calc-layout{grid-template-columns:1fr}}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}.input-card{border-left:3px solid var(--cyan)}.result-card{border-left:3px solid var(--purple)}.form-group{margin-bottom:14px}.form-label{color:var(--text-dim);margin-bottom:5px;font-size:.82rem;font-weight:500;display:block}.form-input{background:var(--input-bg);border:1px solid var(--border);width:100%;color:var(--text-main);border-radius:8px;padding:9px 12px;font-family:inherit;font-size:.92rem;transition:border-color .2s}.form-input:focus{border-color:var(--accent);outline:none}.form-hint{color:var(--text-muted);margin-top:4px;font-size:.76rem}.section-title{color:var(--text-main);text-transform:uppercase;letter-spacing:.04em;margin-bottom:12px;font-size:.9rem;font-weight:700}.mode-toggle-group{background:var(--input-bg);border-radius:8px;gap:4px;margin-bottom:6px;padding:4px;display:flex}.mode-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:6px;flex:1;padding:8px 4px;font-family:inherit;font-size:.82rem;transition:all .2s}.mode-btn:hover{color:var(--text-main)}.mode-btn.active{background:var(--accent);color:#000;font-weight:600}.mode-hint{color:var(--text-muted);margin-top:2px;font-size:.75rem}.unit-row{gap:16px;margin-bottom:16px;display:flex}.unit-group{align-items:center;gap:6px;display:flex}.unit-label{color:var(--text-muted);white-space:nowrap;font-size:.78rem}.unit-toggle{background:var(--input-bg);border:1px solid var(--border);border-radius:6px;display:flex;overflow:hidden}.unit-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:5px 12px;font-family:inherit;font-size:.78rem;transition:all .15s}.unit-btn.active{color:var(--cyan);background:#00f3ff26;font-weight:600}.action-row{gap:8px;margin-top:16px;display:flex}.btn-share,.btn-copy{border:1px solid var(--border);background:var(--input-bg);color:var(--text-dim);cursor:pointer;border-radius:7px;flex:1;padding:8px;font-family:inherit;font-size:.82rem;transition:all .2s}.btn-share:hover,.btn-copy:hover{border-color:var(--accent);color:var(--accent)}.hero-result{text-align:center;border-bottom:1px solid var(--border);margin-bottom:16px;padding:20px 16px 16px}.hero-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.1em;margin-bottom:4px;font-size:.72rem}.hero-value{color:var(--cyan);margin-bottom:4px;font-family:JetBrains Mono,monospace;font-size:3.2rem;font-weight:800;line-height:1}.hero-sub{color:var(--text-dim);font-size:.95rem}.hero-actual{color:var(--text-muted);margin-top:4px;font-size:.78rem}.danger-card{background:#0003;border-left:4px solid;border-radius:8px;margin-bottom:12px;padding:12px 14px}.danger-tier{margin-bottom:4px;font-size:.85rem;font-weight:700}.danger-desc{color:var(--text-dim);font-size:.8rem;line-height:1.5}.tier-safe{border-color:var(--cyan)}.tier-safe .danger-tier{color:var(--cyan)}.tier-caution{border-color:gold}.tier-caution .danger-tier{color:gold}.tier-warning{border-color:#f97316}.tier-warning .danger-tier{color:#f97316}.tier-danger{border-color:#ef4444}.tier-danger .danger-tier{color:#ef4444}.tier-severe{border-color:#dc2626}.tier-severe .danger-tier{color:#dc2626}.tier-extreme{border-color:#bc13fe}.tier-extreme .danger-tier{color:#bc13fe}.comfort-notice{background:#10b98114;border:1px solid #10b98140;border-radius:8px;align-items:center;gap:10px;margin-bottom:12px;padding:12px 14px;display:flex}.comfort-icon{font-size:1.4rem}.comfort-text{color:#6ee7b7;font-size:.83rem}.range-notice{background:#ffd7000f;border:1px solid #ffd70033;border-radius:8px;margin-bottom:12px;padding:10px 14px}.range-text{color:#fcd34d;font-size:.81rem}.clothing-line{border:1px solid var(--border);background:#ffffff08;border-radius:8px;align-items:center;gap:8px;margin-bottom:12px;padding:10px 14px;display:flex}.clothing-icon{flex-shrink:0;font-size:1.1rem}.clothing-text{color:var(--text-dim);font-size:.82rem}.stats-row{grid-template-columns:repeat(4,1fr);gap:8px;display:grid}@media (width<=600px){.stats-row{grid-template-columns:repeat(2,1fr)}}.stat-cell{border:1px solid var(--border);text-align:center;background:#ffffff08;border-radius:8px;padding:10px 8px}.stat-val{color:var(--text-main);font-family:JetBrains Mono,monospace;font-size:1rem;font-weight:700}.stat-lbl{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;margin-top:2px;font-size:.68rem}.matrix-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:10px;display:flex}.matrix-type-toggle{background:var(--input-bg);border:1px solid var(--border);border-radius:6px;display:flex;overflow:hidden}.matrix-type-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;padding:7px 16px;font-family:inherit;font-size:.82rem;transition:all .2s}.matrix-type-btn.active{color:var(--cyan);background:#00f3ff26;font-weight:600}.matrix-desc{color:var(--text-muted);margin-bottom:10px;font-size:.8rem}.matrix-legend{flex-wrap:wrap;gap:10px;margin-bottom:14px;display:flex}.legend-item{color:var(--text-dim);align-items:center;gap:5px;font-size:.74rem;display:flex}.legend-swatch{border:1px solid #ffffff1f;border-radius:3px;flex-shrink:0;width:14px;height:14px}.legend-swatch.tier-safe{background:#00f3ff40}.legend-swatch.tier-caution{background:#ffd70059}.legend-swatch.tier-warning{background:#f9731659}.legend-swatch.tier-danger{background:#ef444459}.legend-swatch.tier-severe{background:#dc262673}.legend-swatch.tier-extreme{background:#bc13fe59}.matrix-wrap{overflow-x:auto}.condition-matrix{border-collapse:collapse;width:100%;min-width:480px;font-size:.78rem}.condition-matrix th{color:var(--text-dim);text-align:center;border-bottom:1px solid var(--border);white-space:nowrap;background:#ffffff0f;padding:8px 10px;font-weight:600}.condition-matrix td{text-align:center;color:var(--text-dim);border-bottom:1px solid #ffffff08;padding:7px 10px;transition:background .15s}.condition-matrix .matrix-row-label{text-align:right;color:var(--text-dim);white-space:nowrap;background:#ffffff05;padding-right:14px;font-weight:600}.condition-matrix .cell-highlight{font-weight:700;box-shadow:inset 0 0 0 2px gold;color:var(--text-main)!important}.condition-matrix td.tier-safe{color:var(--cyan);background:#00f3ff14}.condition-matrix td.tier-caution{color:gold;background:#ffd7001a}.condition-matrix td.tier-warning{color:#fb923c;background:#f973161a}.condition-matrix td.tier-danger{color:#f87171;background:#ef44441f}.condition-matrix td.tier-severe{color:#fca5a5;background:#dc262626}.condition-matrix td.tier-extreme{color:#d946ef;background:#bc13fe1f}.condition-matrix td.tier-none{color:var(--text-muted)}.guide-header{margin-bottom:16px}.guide-intro{color:var(--text-dim);font-size:.85rem}.guide-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}@media (width<=700px){.guide-grid{grid-template-columns:1fr}}.guide-card{flex-direction:column;gap:8px;display:flex}.guide-card-icon{font-size:1.5rem}.guide-card-title{color:var(--text-main);font-size:.9rem;font-weight:700}.guide-card-body{color:var(--text-dim);font-size:.82rem;line-height:1.65}.guide-card-body ul{margin-top:6px;padding-left:16px}.guide-card-body li{margin-bottom:4px}.guide-warn{color:#fca5a5;font-weight:600}.guide-ok{color:#6ee7b7;font-weight:600}.guide-caution{color:#fcd34d;font-weight:600}.page-sections-outer{max-width:1200px;margin:0 auto;padding:0 1.5rem 3rem}.calc-section{border-top:1px solid var(--border);padding:36px 0 24px}.calc-section__header{align-items:center;gap:12px;margin-bottom:20px;display:flex}.calc-section__icon{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:36px;height:36px;font-size:1.1rem;display:flex}.calc-section__icon--cyan{background:#00f3ff1f}.calc-section__icon--purple{background:#bc13fe1f}.calc-section__title{font-size:1.15rem;font-weight:700}.how-steps{flex-direction:column;gap:14px;list-style:none;display:flex}.how-step{align-items:flex-start;gap:14px;display:flex}.step-num{width:28px;height:28px;color:var(--cyan);background:#00f3ff26;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;font-size:.82rem;font-weight:700;display:flex}.step-body{color:var(--text-dim);font-size:.88rem;line-height:1.65}.step-body strong{color:var(--text-main)}.formula-grid{flex-direction:column;gap:14px;display:flex}.formula-pill{background:#00f3ff0f;border:1px solid #00f3ff26;border-radius:10px;padding:16px 18px}.formula-pill__label{color:var(--cyan);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px;font-size:.75rem;font-weight:600}.formula-pill__eq{color:var(--text-main);word-break:break-word;margin-bottom:6px;font-family:JetBrains Mono,monospace;font-size:.84rem;line-height:1.7}.formula-pill__note{color:var(--text-muted);font-size:.75rem}.gloss-grid{grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:12px;display:grid}.gloss-chip{background:#bc13fe0f;border:1px solid #bc13fe24;border-radius:10px;padding:14px 16px}.gloss-chip__term{color:#d946ef;margin-bottom:5px;font-size:.82rem;font-weight:700;display:block}.gloss-chip__def{color:var(--text-dim);font-size:.8rem;line-height:1.65}.examples-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;display:grid}.example-card{background:var(--card);border:1px solid var(--border);border-radius:10px;flex-direction:column;gap:10px;padding:18px;display:flex}.example-card__avatar{font-size:1.8rem}.example-card__title{color:var(--text-main);font-size:.92rem;font-weight:700}.example-card__scenario{color:var(--text-muted);font-size:.8rem}.example-card__calc{color:var(--text-dim);border:1px solid var(--border);background:#ffffff08;border-radius:7px;padding:10px 12px;font-family:JetBrains Mono,monospace;font-size:.78rem;line-height:1.8}.example-card__result{color:var(--text-dim);border-top:1px solid var(--border);padding-top:10px;font-size:.82rem}.article-body{max-width:720px}.article-section{margin-bottom:20px}.article-heading{color:var(--text-main);margin-bottom:8px;font-size:1rem;font-weight:700}.article-section p{color:var(--text-dim);font-size:.87rem;line-height:1.8}.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-family:JetBrains Mono,monospace;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}.toast{z-index:9999;background:var(--card);border:1px solid var(--border);color:var(--text-main);border-radius:8px;padding:10px 18px;font-size:.84rem;animation:.25s toastIn;position:fixed;bottom:24px;right:24px;box-shadow:0 4px 20px #0006}.toast-success{border-color:var(--cyan);color:var(--cyan)}.toast-warn{border-color:var(--amber);color:var(--amber)}.toast-error{border-color:var(--red);color:var(--red)}@keyframes toastIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}[data-theme=light]{--accent:#0e7490;--bg-dark:#e8edf5;--card:#fff;--input-bg:#f0f4f9;--text-main:#0f172a;--text-dim:#334155;--text-muted:#64748b;--cyan:#0e7490;--purple:#7c3aed;--border:#0000001a}[data-theme=light] body{background:#e8edf5}[data-theme=light] .glass-navbar{backdrop-filter:blur(12px);background:#f8fafceb}[data-theme=light] .input-card{border-left-color:#0e7490}[data-theme=light] .result-card{border-left-color:#7c3aed}[data-theme=light] .card{box-shadow:0 1px 6px #00000012}[data-theme=light] .mode-toggle-group{background:#edf2f9;border:1px solid #0000001a}[data-theme=light] .mode-btn{color:#475569}[data-theme=light] .mode-btn.active{color:#fff;background:#0e7490}[data-theme=light] .unit-toggle{background:#edf2f9;border-color:#0000001a}[data-theme=light] .unit-btn{color:#475569}[data-theme=light] .unit-btn.active{color:#0e7490;background:#0e749026}[data-theme=light] .btn-share,[data-theme=light] .btn-copy{color:#475569;background:#edf2f9;border-color:#0000001a}[data-theme=light] .btn-share:hover,[data-theme=light] .btn-copy:hover{color:#0e7490;border-color:#0e7490}[data-theme=light] .hero-value{color:#0e7490}[data-theme=light] .hero-result{border-bottom-color:#00000014}[data-theme=light] .danger-card{background:#00000005}[data-theme=light] .danger-desc{color:#475569}[data-theme=light] .tier-safe{border-color:#0e7490}[data-theme=light] .tier-safe .danger-tier{color:#0e7490}[data-theme=light] .tier-caution{border-color:#b45309}[data-theme=light] .tier-caution .danger-tier{color:#b45309}[data-theme=light] .tier-warning{border-color:#c2410c}[data-theme=light] .tier-warning .danger-tier{color:#c2410c}[data-theme=light] .tier-danger{border-color:#b91c1c}[data-theme=light] .tier-danger .danger-tier{color:#b91c1c}[data-theme=light] .tier-severe{border-color:#991b1b}[data-theme=light] .tier-severe .danger-tier{color:#991b1b}[data-theme=light] .tier-extreme{border-color:#7c3aed}[data-theme=light] .tier-extreme .danger-tier{color:#7c3aed}[data-theme=light] .comfort-notice{background:#f0fdf4;border-color:#16a34a4d}[data-theme=light] .comfort-text{color:#14532d}[data-theme=light] .range-notice{background:#fffbeb;border-color:#d977064d}[data-theme=light] .range-text{color:#78350f}[data-theme=light] .clothing-line{background:#f0f4f9;border-color:#0000001a}[data-theme=light] .clothing-text{color:#334155}[data-theme=light] .stat-cell{background:#edf2f9;border-color:#0000001a}[data-theme=light] .stat-val{color:#0f172a}[data-theme=light] .matrix-type-toggle{background:#edf2f9;border-color:#0000001a}[data-theme=light] .matrix-type-btn{color:#475569}[data-theme=light] .matrix-type-btn.active{color:#0e7490;background:#0e749026}[data-theme=light] .legend-item{color:#334155}[data-theme=light] .legend-swatch{border-color:#0000001f}[data-theme=light] .legend-swatch.tier-safe{background:#0e749033}[data-theme=light] .legend-swatch.tier-caution{background:#b4530933}[data-theme=light] .legend-swatch.tier-warning{background:#c2410c33}[data-theme=light] .legend-swatch.tier-danger{background:#b91c1c40}[data-theme=light] .legend-swatch.tier-severe{background:#991b1b4d}[data-theme=light] .legend-swatch.tier-extreme{background:#7c3aed33}[data-theme=light] .condition-matrix th{color:#334155;background:#edf2f9;border-bottom-color:#0000001a}[data-theme=light] .condition-matrix td{border-bottom-color:#0000000a}[data-theme=light] .condition-matrix .matrix-row-label{color:#334155;background:#f0f4f9}[data-theme=light] .condition-matrix td.tier-safe{color:#0e7490;background:#0e749014}[data-theme=light] .condition-matrix td.tier-caution{color:#92400e;background:#b4530914}[data-theme=light] .condition-matrix td.tier-warning{color:#9a3412;background:#c2410c17}[data-theme=light] .condition-matrix td.tier-danger{color:#991b1b;background:#b91c1c17}[data-theme=light] .condition-matrix td.tier-severe{color:#7f1d1d;background:#991b1b1f}[data-theme=light] .condition-matrix td.tier-extreme{color:#5b21b6;background:#7c3aed17}[data-theme=light] .condition-matrix td.tier-none{color:#94a3b8}[data-theme=light] .guide-card-body{color:#475569}[data-theme=light] .guide-warn{color:#991b1b}[data-theme=light] .guide-ok{color:#14532d}[data-theme=light] .guide-caution{color:#92400e}[data-theme=light] .step-num{color:#0e7490;background:#0e74901f}[data-theme=light] .step-body{color:#475569}[data-theme=light] .step-body strong{color:#0f172a}[data-theme=light] .formula-pill{background:#0e74900f;border-color:#0e749033}[data-theme=light] .formula-pill__label{color:#0e7490}[data-theme=light] .formula-pill__eq{color:#0f172a}[data-theme=light] .formula-pill__note{color:#64748b}[data-theme=light] .gloss-chip{background:#7c3aed0d;border-color:#7c3aed26}[data-theme=light] .gloss-chip__term{color:#6d28d9}[data-theme=light] .gloss-chip__def{color:#475569}[data-theme=light] .example-card{box-shadow:0 1px 4px #0000000f}[data-theme=light] .example-card__title{color:#0f172a}[data-theme=light] .example-card__scenario{color:#64748b}[data-theme=light] .example-card__calc{color:#334155;background:#f0f4f9;border-color:#0000001a}[data-theme=light] .example-card__result{color:#475569;border-top-color:#00000014}[data-theme=light] .article-heading{color:#0f172a}[data-theme=light] .article-section p{color:#475569}[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}[data-theme=light] .calc-section{border-top-color:#00000014}[data-theme=light] .calc-section__icon--cyan{background:#0e74901a}[data-theme=light] .calc-section__icon--purple{background:#7c3aed1a}[data-theme=light] .toast{color:#0f172a;background:#fff;border-color:#0000001a;box-shadow:0 4px 20px #0000001f}[data-theme=light] .toast-success{color:#0e7490;border-color:#0e7490}[data-theme=light] .toast-warn{color:#b45309;border-color:#b45309}[data-theme=light] .toast-error{color:#b91c1c;border-color:#b91c1c}