*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #0a0e14;--bg-secondary: #0d1117;--bg-surface: #161b22;--bg-elevated: #21262d;--bg-hover: #30363d;--text-primary: #c9d1d9;--text-secondary: #8b949e;--text-muted: #656d76;--text-bright: #f0f6fc;--accent-blue: #58a6ff;--accent-blue-dim: #1f6feb;--accent-blue-bg: #1f6feb33;--accent-orange: #f0883e;--accent-orange-dim: #d2992266;--accent-green: #238636;--accent-green-bright: #3fb950;--accent-red: #f85149;--accent-purple: #a371f7;--accent-yellow: #d29922;--border-default: #21262d;--border-muted: #30363d;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .66);--font-sans: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;--font-mono: "SF Mono", "Cascadia Code", Consolas, monospace;--font-xs: .7rem;--font-sm: .78rem;--font-base: .85rem;--font-md: .95rem;--font-lg: 1.1rem;--font-xl: 1.3rem;--font-2xl: 1.6rem;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--radius-xl: 16px;--radius-full: 999px;--transition-fast: .15s ease;--transition-base: .2s ease;--transition-slow: .3s ease;--z-base: 1;--z-nav: 100;--z-player: 200;--z-modal: 500;--z-toast: 900;--z-dropdown: 999}[data-theme=light]{--bg-primary: #f6f8fa;--bg-secondary: #ffffff;--bg-surface: #ffffff;--bg-elevated: #f3f4f6;--bg-hover: #eaeef2;--text-primary: #1f2328;--text-secondary: #656d76;--text-muted: #8b949e;--text-bright: #000000;--accent-blue: #0969da;--accent-blue-dim: #0550ae;--accent-blue-bg: #ddf4ff;--accent-orange: #bf8700;--accent-orange-dim: #d29922;--accent-green: #1a7f37;--accent-green-bright: #2da44e;--accent-red: #cf222e;--accent-purple: #8250df;--accent-yellow: #9a6700;--border-default: #d1d9e0;--border-muted: #e1e4e8;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .1);--shadow-lg: 0 8px 24px 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.75rem;font-size:var(--font-sm);color:var(--text-primary);text-decoration:none;background:none;border:none;cursor:pointer;text-align:left;font-family:var(--font-sans)}.user-menu-item:hover{background:var(--bg-elevated)}.app-content{flex:1;padding:0;min-height:0}.route-loading{display:flex;align-items:center;justify-content:center;min-height:40vh}.player-bar{position:sticky;bottom:0;background:var(--bg-surface);border-top:1px solid var(--border-default);z-index:var(--z-player);padding:.5rem 1.5rem}.player-inner{display:flex;align-items:center;gap:1rem;max-width:1200px;margin:0 auto}.player-info{display:flex;align-items:center;gap:.5rem;min-width:0;flex-shrink:1}.player-track-name{font-size:var(--font-sm);color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:200px}.player-tier-badge{font-size:var(--font-xs)}.player-controls{display:flex;align-items:center;gap:.5rem;flex-shrink:0}.player-ab-toggle{display:flex;gap:2px;background:var(--bg-elevated);border-radius:var(--radius-md);padding:2px}.player-ab{padding:.2rem .6rem;font-size:var(--font-xs);font-weight:600;border-radius:var(--radius-sm);color:var(--text-muted);background:transparent;border:none;cursor:pointer;transition:all var(--transition-fast)}.player-ab.active{background:var(--accent-blue-dim);color:#fff}.player-progress{flex:1;display:flex;align-items:center;gap:.5rem}.player-progress-bar{flex:1;height:4px;background:var(--bg-elevated);border-radius:var(--radius-full);cursor:pointer;position:relative}.player-progress-fill{height:100%;background:var(--accent-blue);border-radius:var(--radius-full);width:0%;transition:width .1s linear}.player-time{font-size:var(--font-xs);color:var(--text-muted);font-variant-numeric:tabular-nums;white-space:nowrap}[data-theme=light] .nav-bar{background:#fff;border-bottom-color:#d1d9e0}[data-theme=light] .nav-link{color:#656d76}[data-theme=light] .nav-link:hover{color:#1f2328;background:#f6f8fa}[data-theme=light] .nav-link.active{color:#0969da;background:#ddf4ff}@media(max-width:767px){.player-inner{flex-wrap:wrap;gap:.5rem}.player-info{width:100%}.player-progress{width:100%;order:3}.player-track-name{max-width:none}}@media(max-width:767px){input,select,textarea{font-size:16px!important}}input[type=range]{touch-action:none}.presets-bar .pb-list{touch-action:pan-y}@media(max-width:480px){.modal{max-height:90vh;width:calc(100% - 2rem)}}@media(min-width:768px){.nav-links{gap:.3rem}}@media(max-width:1024px){.container{max-width:760px}}@media(max-width:768px){.container{max-width:100%}.option-row{flex-wrap:wrap}.option-toggles{gap:.4rem}.toggle-label{padding:.35rem .7rem;min-height:36px}}@media(max-width:480px){.container{padding:.5rem}.options{padding:1rem}.option-row{gap:.5rem;margin-bottom:.6rem}.option-row label{font-size:.78rem}.option-row select,.option-row input[type=number]{padding:.4rem .6rem;font-size:.8rem}.toggle-label{font-size:.7rem}.upload-zone .icon{font-size:1.8rem}.badge{font-size:.65rem;padding:.2rem .55rem}.usage-bar{padding:.5rem .7rem;gap:.5rem;font-size:.72rem}}@media(min-width:1024px){.hide-desktop{display:none}}@media(max-width:767px){.nav-links{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-surface);border-bottom:1px solid var(--border-default);padding:var(--space-sm) var(--space-md);flex-direction:column;box-shadow:var(--shadow-md)}.nav-links.open{display:flex}.nav-hamburger{display:flex!important}}@media(min-width:768px){.nav-hamburger{display:none!important}.nav-links{display:flex!important}}