:root{--card:#ffffff0a;--card-solid:#0d0d22;--input-bg:#ffffff0f;--border-strong:#ffffff26;--bg-dark:var(--calc-bg-page);--accent:var(--calc-color-daily);--accent-dim:#34d39926;--text-main:var(--calc-text-primary);--text-dim:var(--calc-text-faded);--text-muted:var(--calc-text-dim);--border:var(--calc-border-subtle);--font-sans:var(--calc-font-headline);--font-mono:var(--calc-font-mono)}[data-theme=light]{--card:#fff;--card-solid:#fff;--input-bg:#e8eef4;--border-strong:#0003;--accent:#047857;--accent-dim:#0478571a}body{background:var(--calc-bg-page);color:var(--calc-text-primary);font-family:var(--font-sans);min-height:100vh}.calc-content-wrapper{max-width:1100px;margin:0 auto;padding:0 1.2rem 3rem}.page-hero{text-align:center;padding:2.5rem 1rem 1.5rem}.page-title{background:linear-gradient(135deg, var(--calc-color-daily), var(--calc-cyan));-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0 0 .5rem;font-size:clamp(1.6rem,4vw,2.4rem);font-weight:800}.page-subtitle{color:var(--calc-text-dim);max-width:680px;margin:0 auto;font-size:1rem;line-height:1.6}[data-theme=light] .page-title{background:linear-gradient(135deg,#047857,#0891b2);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text}.outer-tab-bar{background:var(--calc-bg-card);border:1px solid var(--calc-border-default);border-radius:12px;gap:4px;margin-bottom:1.5rem;padding:5px;display:flex;overflow-x:auto}.outer-tab{color:var(--calc-text-dim);font-size:.88rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:8px;flex:1;padding:10px 16px;transition:background .2s,color .2s}.outer-tab.active{background:var(--accent);color:#fff}.outer-tab:hover:not(.active){color:var(--calc-text-primary);background:#ffffff0f}[data-theme=light] .outer-tab:hover:not(.active){color:var(--calc-text-primary);background:#0000000d}[data-theme=light] .outer-tab.active{background:var(--accent);color:#fff}.outer-tab-panel{display:none}.outer-tab-panel.active{animation:.22s forwards tab-fade-in;display:block}@keyframes tab-fade-in{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.preset-strip{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:1.1rem;display:flex}.preset-label{color:var(--text-muted);white-space:nowrap;font-size:.82rem;font-weight:600}.preset-chip{border:1px solid var(--border-strong);color:var(--text-dim);font-size:.82rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;white-space:nowrap;background:0 0;border-radius:20px;padding:6px 14px;transition:all .18s}.preset-chip:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.preset-chip.active{background:var(--accent-dim);border-color:var(--accent);color:var(--accent)}[data-theme=light] .preset-chip{color:#475569;border-color:#0000002e}[data-theme=light] .preset-chip:hover,[data-theme=light] .preset-chip.active{border-color:var(--accent);color:var(--accent);background:var(--accent-dim)}.input-card,.result-card,.compare-card,.library-card{background:var(--card);border:1px solid var(--calc-border-default);border-radius:var(--calc-radius-lg,16px);margin-bottom:1.25rem;padding:1.25rem 1.5rem}[data-theme=light] .input-card,[data-theme=light] .result-card,[data-theme=light] .compare-card,[data-theme=light] .library-card{background:#fff;border-color:#0000001f;box-shadow:0 2px 10px #00000012}.card-title{font-family:var(--font-sans);text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin:0 0 1.1rem;font-size:.78rem;font-weight:700}.form-grid{grid-template-columns:1fr 1fr;gap:1rem;display:grid}.form-grid--narrow{grid-template-columns:1fr 1fr;max-width:540px;margin-bottom:1rem}.form-group--full{grid-column:1/-1}.form-group{flex-direction:column;gap:.35rem;display:flex}.form-group label{color:var(--text-dim);font-size:.85rem;font-weight:600}.form-group input,.form-group select{background:var(--input-bg);border:1px solid var(--border-strong);border-radius:var(--calc-radius-md,12px);color:var(--text-main);font-family:var(--font-mono);-webkit-appearance:none;appearance:none;padding:.6rem .85rem;font-size:1rem;transition:border-color .18s}.form-group select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a8b8cc' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat;padding-right:32px}.form-group input:focus,.form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-dim);outline:none}.input-hint{color:var(--text-muted);font-size:.78rem;line-height:1.4}[data-theme=light] .form-group input,[data-theme=light] .form-group select{color:#0f172a;background:#e8eef4;border-color:#0000002e}[data-theme=light] .form-group select{background-color:#e8eef4;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='7'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23475569' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");background-position:right 12px center;background-repeat:no-repeat}[data-theme=light] .form-group input:focus,[data-theme=light] .form-group select:focus{border-color:var(--accent);box-shadow:0 0 0 3px #0478571f}::placeholder{color:#ffffff4d}[data-theme=light] ::placeholder{color:#00000059}.action-bar{flex-wrap:wrap;gap:8px;margin-bottom:1rem;display:flex}.action-btn{border:1px solid var(--calc-border-default);background:var(--card);color:var(--text-dim);font-size:.84rem;font-weight:600;font-family:var(--font-sans);cursor:pointer;border-radius:8px;padding:8px 18px;transition:all .18s}.action-btn:hover{border-color:var(--accent);color:var(--accent)}.action-btn--reset{color:var(--calc-rose,#fb7185);border-color:#fb718559}.action-btn--reset:hover{background:#fb71851a}[data-theme=light] .action-btn{color:#475569;background:#edf2f9;border-color:#0000001f}[data-theme=light] .action-btn:hover{border-color:var(--accent);color:var(--accent)}[data-theme=light] .action-btn--reset{color:#be123c;border-color:#e11d484d}[data-theme=light] .action-btn--reset:hover{background:#fff1f2;border-color:#e11d4880}.result-value{font-family:var(--font-mono);color:var(--accent);margin-bottom:.4rem;font-size:clamp(2rem,6vw,3rem);font-weight:700;line-height:1.1}.result-detail{color:var(--text-muted);font-size:.88rem;line-height:1.75}.compare-subtitle,.library-note{color:var(--text-muted);margin:0 0 1.1rem;font-size:.84rem;line-height:1.5}.chart-wrapper{margin-bottom:1.5rem}.comp-table-wrap,.lib-table-wrap{border:1px solid var(--calc-border-default);border-radius:10px;overflow-x:auto}.comp-table,.lib-table{border-collapse:collapse;width:100%;font-size:.88rem}.comp-table th,.lib-table th{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;text-align:left;background:#ffffff0a;padding:10px 14px;font-size:.76rem;font-weight:700}.comp-table td,.lib-table td{border-top:1px solid var(--calc-border-subtle);color:var(--text-main);vertical-align:middle;padding:11px 14px}.comp-table tr:hover td,.lib-table tr:hover td{background:#ffffff08}[data-theme=light] .comp-table th,[data-theme=light] .lib-table th{color:#64748b;background:#edf2f9}[data-theme=light] .comp-table td,[data-theme=light] .lib-table td{color:#0f172a;border-top-color:#00000012}[data-theme=light] .comp-table tr:hover td,[data-theme=light] .lib-table tr:hover td{background:#f0f4f9}[data-theme=light] .comp-table-wrap,[data-theme=light] .lib-table-wrap{border-color:#0000001a}.format-badge{font-size:.78rem;font-weight:700;font-family:var(--font-mono);letter-spacing:.02em;white-space:nowrap;border-radius:12px;padding:3px 10px;display:inline-block}.format-badge--wav16{color:var(--calc-cyan,#22d3ee);background:#22d3ee1f}.format-badge--wav24{color:var(--calc-indigo,#818cf8);background:#6366f11f}.format-badge--flac{color:var(--calc-emerald,#34d399);background:#34d3991f}.format-badge--mp3{color:var(--calc-gold,#fbbf24);background:#fbbf241f}.format-badge--aac{color:var(--calc-purple,#a855f7);background:#a855f71f}.format-badge--ogg{color:var(--calc-rose,#fb7185);background:#fb71851f}[data-theme=light] .format-badge--wav16{color:#0891b2;background:#0891b21a}[data-theme=light] .format-badge--wav24{color:#4f46e5;background:#4f46e51a}[data-theme=light] .format-badge--flac{color:#047857;background:#0478571a}[data-theme=light] .format-badge--mp3{color:#b45309;background:#b453091a}[data-theme=light] .format-badge--aac{color:#7c3aed;background:#7c3aed1a}[data-theme=light] .format-badge--ogg{color:#e11d48;background:#e11d481a}.page-sections-outer{max-width:1600px;margin:0 auto;padding:0 1.5rem 3rem}@media (width<=768px){.form-grid,.form-grid--narrow{grid-template-columns:1fr}.form-group--full{grid-column:1}.outer-tab{padding:9px 12px;font-size:.82rem}.preset-strip{gap:6px}}@media (width<=480px){.page-hero{padding:1.5rem .5rem 1rem}.input-card,.result-card,.compare-card,.library-card{padding:1rem}.comp-table td,.comp-table th,.lib-table td,.lib-table th{padding:9px 10px}}