:root{--bg-base: #F7F4EE;--bg-surface: #FDFAF5;--bg-card: #FFFFFF;--bg-muted: #EDE9E1;--bg-hover: #E5E0D5;--border: rgba(26, 21, 16, .1);--border-focus: #C4820A;--border-hover: rgba(26, 21, 16, .22);--text: #1A1510;--text-muted: #4A3D33;--text-dim: #8B7D70;--text-invert: #FFFFFF;--primary: #C4820A;--primary-light: #E09A10;--primary-dark: #9A6508;--secondary: #B84A2A;--accent: #C4820A;--cat-edit: #C4820A;--cat-convert: #3A7FBF;--cat-security: #B84040;--cat-optimize: #3A8A5A;--cat-create: #7A50C0;--success: #2D7D46;--warning: #A85A00;--danger: #B91C1C;--shadow-sm: 0 1px 3px rgba(26, 16, 0, .07), 0 1px 2px rgba(26, 16, 0, .04);--shadow-md: 0 4px 12px rgba(26, 16, 0, .08), 0 2px 6px rgba(26, 16, 0, .05);--shadow-lg: 0 8px 24px rgba(26, 16, 0, .1), 0 4px 12px rgba(26, 16, 0, .06);--shadow-xl: 0 20px 48px rgba(26, 16, 0, .12), 0 8px 20px rgba(26, 16, 0, .07);--blur: blur(16px);--toolbar-bg: rgba(253, 250, 245, .88);--footer-bg: #1A1510;--footer-text: #E8E2D8;--scrollbar-thumb: #C4B8AC;--glow-1: rgba(196, 130, 10, .09);--glow-2: rgba(196, 100, 30, .05);--glow-3: rgba(230, 200, 140, .08)}[data-theme=dark]{--bg-base: #0E0C0B;--bg-surface: #171410;--bg-card: #1F1C18;--bg-muted: #252117;--bg-hover: #2D2820;--border: rgba(255, 248, 235, .07);--border-focus: #F0C040;--border-hover: rgba(255, 248, 235, .15);--text: #F0EDE6;--text-muted: #C4BAB0;--text-dim: #7A7068;--text-invert: #0E0C0B;--primary: #F0C040;--primary-light: #F5D06A;--primary-dark: #D0A020;--secondary: #E07850;--success: #4ADE80;--warning: #FBB040;--danger: #F87070;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .4);--shadow-md: 0 4px 12px rgba(0, 0, 0, .5);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .6);--shadow-xl: 0 20px 48px rgba(0, 0, 0, .75);--toolbar-bg: rgba(23, 20, 16, .92);--footer-bg: #080604;--footer-text: #C4BAB0;--scrollbar-thumb: #3C3428;--glow-1: rgba(240, 192, 64, .06);--glow-2: rgba(200, 120, 40, .04);--glow-3: rgba(240, 192, 64, 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Display,Georgia,serif;font-weight:700;font-style:italic;font-size:1.25rem;color:var(--text);letter-spacing:0;line-height:1}.app-topbar-brand-name em{font-style:normal;color:var(--primary)}.app-topbar-brand-badge{font-family:Syne,system-ui,sans-serif;font-size:.6rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--text-dim);padding:2px 6px;border:1px solid var(--border);border-radius:4px;margin-left:.15rem;vertical-align:middle}.app-topbar-logo{width:38px;height:38px;background:var(--primary);color:var(--text-invert);border-radius:10px;display:flex;align-items:center;justify-content:center;box-shadow:0 4px 12px #c4820a59;flex-shrink:0;transition:box-shadow .2s ease}[data-theme=dark] .app-topbar-logo{box-shadow:0 4px 14px #f0c0404d;color:#0e0c0b}.app-topbar-brand:hover .app-topbar-logo{box-shadow:0 6px 18px #c4820a73}.app-content{flex:1;padding:3.5rem 2.5rem;max-width:1440px;margin:0 auto;width:100%}.app-nav{display:flex;align-items:center;gap:.25rem}.app-nav a{font-family:Syne,system-ui,sans-serif;font-size:.875rem;font-weight:600;color:var(--text-muted);text-decoration:none;padding:.4rem .85rem;border-radius:8px;transition:all .18s ease;letter-spacing:.01em}.app-nav a:hover{color:var(--text);background:var(--bg-muted)}.app-footer{background:var(--footer-bg);color:var(--footer-text);padding:4rem 2.5rem 2.5rem;border-top:1px solid rgba(255,255,255,.06)}.footer-content{max-width:1200px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:4rem;margin-bottom:3.5rem}.footer-brand h3{font-family:Playfair Display,Georgia,serif;font-style:italic;font-size:1.35rem;margin-bottom:1rem;color:#fff;font-weight:700}.footer-brand p{color:var(--text-dim);line-height:1.75;font-size:.9rem}.footer-column h4{font-family:Syne,system-ui,sans-serif;font-size:.72rem;font-weight:700;margin-bottom:1.5rem;color:#ffffff80;text-transform:uppercase;letter-spacing:.12em}.footer-links{list-style:none}.footer-links li{margin-bottom:.65rem}.footer-links a{color:var(--footer-text);opacity:.6;text-decoration:none;transition:all .18s;font-size:.9rem}.footer-links a:hover{opacity:1;color:var(--primary)}.footer-bottom{max-width:1200px;margin:0 auto;padding-top:2rem;border-top:1px solid rgba(255,255,255,.07);display:flex;justify-content:space-between;align-items:center;color:var(--text-dim);font-size:.83rem}.tool-view-container{max-width:900px;margin:0 auto;animation:slideUp .4s cubic-bezier(.16,1,.3,1)}.tool-view-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:3rem;box-shadow:var(--shadow-xl)}.tool-view-header{margin-bottom:2.5rem;text-align:center}.tool-view-icon{width:64px;height:64px;background:var(--bg-muted);color:var(--primary);border-radius:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;border:1px solid var(--border)}.tool-view-title{font-family:Syne,system-ui,sans-serif;font-size:2rem;font-weight:700;color:var(--text);margin-bottom:.75rem;letter-spacing:-.02em}.tool-view-desc{color:var(--text-dim);font-size:1rem;max-width:480px;margin:0 auto;line-height:1.65}.dashboard{position:relative}.dashboard-hero{text-align:center;margin-bottom:4rem;padding:2rem 0 1rem;position:relative}.dashboard-eyebrow{display:inline-flex;align-items:center;gap:.5rem;font-family:Syne,system-ui,sans-serif;font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--primary);background:#c4820a14;border:1px solid rgba(196,130,10,.2);border-radius:100px;padding:.4rem 1rem;margin-bottom:1.75rem}[data-theme=dark] .dashboard-eyebrow{background:#f0c04014;border-color:#f0c04033}.dashboard-eyebrow:before{content:"";width:6px;height:6px;background:var(--primary);border-radius:50%;animation:pulse 2s ease-in-out infinite}.dashboard-title{font-family:Playfair 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var(--border)}.dashboard-stat-item:last-child{border-right:none}.dashboard-stat-num{font-family:Syne,system-ui,sans-serif;font-size:1.15rem;font-weight:800;color:var(--primary);display:block;line-height:1.2}.dashboard-stat-label{font-size:.7rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.08em;font-weight:600;margin-top:.15rem;display:block}.filter-bar{display:flex;justify-content:center;gap:0;margin-bottom:3rem;flex-wrap:wrap;position:relative}.filter-pill{padding:.65rem 1.35rem;border:none;background:transparent;color:var(--text-dim);cursor:pointer;font-family:Syne,system-ui,sans-serif;font-weight:600;font-size:.85rem;transition:all .2s ease;border-bottom:2px solid 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translate(2px);border-color:var(--border-hover);box-shadow:var(--shadow-lg)}.tool-card:hover:before{opacity:1}.tool-card-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:1.25rem}.tool-card-icon{width:44px;height:44px;border-radius:12px;background:var(--bg-muted);display:flex;align-items:center;justify-content:center;transition:all .25s ease;border:1px solid var(--border);flex-shrink:0}.tool-card:hover .tool-card-icon{background:var(--card-accent, var(--primary));color:var(--text-invert)!important;border-color:transparent;box-shadow:0 4px 12px #0003}[data-theme=dark] .tool-card:hover .tool-card-icon{color:#0e0c0b!important}.tool-card-title{font-family:Syne,system-ui,sans-serif;font-size:1.05rem;font-weight:700;color:var(--text);margin-bottom:.5rem;letter-spacing:-.01em;transition:color .2s}.tool-card:hover .tool-card-title{color:var(--card-accent, var(--primary))}.tool-card-desc{font-size:.875rem;color:var(--text-dim);line-height:1.6;flex:1;margin-bottom:1.25rem}.tool-card-arrow{display:inline-flex;align-items:center;gap:.35rem;font-family:Syne,system-ui,sans-serif;font-size:.78rem;font-weight:700;color:var(--text-dim);opacity:0;transform:translate(-6px);transition:all .22s ease;letter-spacing:.02em;text-transform:uppercase}.tool-card:hover .tool-card-arrow{opacity:1;transform:translate(0);color:var(--card-accent, var(--primary))}.btn{display:inline-flex;align-items:center;justify-content:center;padding:.7rem 1.5rem;border-radius:10px;font-family:Syne,system-ui,sans-serif;font-weight:700;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);border:none;gap:.45rem;font-size:.875rem;white-space:nowrap;letter-spacing:.01em}.btn:disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background:var(--primary);color:var(--text-invert)}.btn-primary:hover:not(:disabled){background:var(--primary-dark);box-shadow:0 6px 20px #c4820a4d;transform:translateY(-2px)}[data-theme=dark] .btn-primary{color:#0e0c0b}[data-theme=dark] .btn-primary:hover:not(:disabled){box-shadow:0 6px 20px #f0c04040}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}.btn-ghost:hover:not(:disabled){background:var(--bg-muted);color:var(--text);border-color:var(--border-hover)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){filter:brightness(1.08);transform:translateY(-2px)}.btn-danger{background:transparent;color:var(--danger);border:1px solid rgba(185,28,28,.2)}.btn-danger:hover:not(:disabled){background:#b91c1c12}.btn-full{width:100%;justify-content:center}.btn-lg{font-size:.95rem;padding:.85rem 2rem;border-radius:12px}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;padding:1.5rem;box-shadow:var(--shadow-sm);transition:all .2s ease}.drop-zone{border:1.5px dashed var(--border-hover);border-radius:14px;padding:3rem 2rem;text-align:center;cursor:pointer;background:var(--bg-muted);transition:all .25s ease;display:flex;flex-direction:column;align-items:center;gap:.5rem;width:100%}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--primary);background:#c4820a0a}[data-theme=dark] .drop-zone:hover,[data-theme=dark] .drop-zone.drag-over{background:#f0c0400a}.drop-zone-icon{color:var(--primary);margin-bottom:.5rem;animation:float 3.5s ease-in-out infinite}.drop-zone-title{font-family:Syne,system-ui,sans-serif;font-weight:700;font-size:1rem;color:var(--text)}.drop-zone-hint{font-size:.83rem;color:var(--text-dim)}.tool-wrap{max-width:52rem;margin:0 auto;animation:fadeIn .35s ease;display:flex;flex-direction:column;gap:1.25rem}.tool-wrap-wide{max-width:68rem}.page-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.25rem}.page-header-title{font-family:Syne,system-ui,sans-serif;font-size:1.5rem;font-weight:700;color:var(--text);letter-spacing:-.02em}.theme-toggle{width:40px;height:40px;border-radius:10px;border:1px solid var(--border);background:var(--bg-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--text-muted);transition:all .2s ease}.theme-toggle:hover{background:var(--bg-hover);color:var(--primary);border-color:var(--border-focus)}.file-item{display:flex;align-items:center;justify-content:space-between;gap:.75rem;background:var(--bg-muted);border:1px solid 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.result-card-title{color:var(--danger)}.result-stats{display:flex;justify-content:center;align-items:center;gap:1.25rem;flex-wrap:wrap}.result-stat{text-align:center}.result-stat-value{font-family:Syne,system-ui,sans-serif;font-size:1.25rem;font-weight:800;color:var(--text)}.result-stat-value.success{color:var(--success)}.result-stat-label{font-size:.68rem;color:var(--text-dim);margin-top:.1rem;text-transform:uppercase;letter-spacing:.06em;font-weight:600}.result-arrow{font-size:1.25rem;color:var(--success)}.section-label{font-family:Syne,system-ui,sans-serif;font-size:.7rem;font-weight:700;color:var(--text-dim);text-transform:uppercase;letter-spacing:.1em;margin-bottom:.5rem}.spinner{width:18px;height:18px;border:2px solid rgba(255,255,255,.25);border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite;flex-shrink:0}.preset-list{display:flex;flex-direction:column;gap:.5rem}.preset-item{display:flex;align-items:center;gap:.85rem;padding:.85rem 1rem;background:var(--bg-muted);border:1.5px solid var(--border);border-radius:10px;cursor:pointer;transition:all .18s}.preset-item:hover{border-color:var(--border-hover)}.preset-item.active{border-color:var(--primary);background:#c4820a0f}[data-theme=dark] .preset-item.active{background:#f0c0400f}.preset-item-icon{font-size:1.3rem;flex-shrink:0}.preset-item-label{font-family:Syne,system-ui,sans-serif;font-weight:700;font-size:.86rem;color:var(--text)}.preset-item-desc{font-size:.72rem;color:var(--text-dim);margin-top:.1rem}.editor-toolbar{display:flex;align-items:center;gap:.3rem;flex-wrap:wrap;background:var(--toolbar-bg);backdrop-filter:var(--blur);-webkit-backdrop-filter:var(--blur);border:1px solid var(--border);border-radius:10px;padding:.45rem .65rem;position:sticky;top:0;z-index:20;box-shadow:var(--shadow-sm)}.tb-group{display:flex;align-items:center;gap:.2rem;padding:0 .4rem;border-right:1px solid var(--border)}.tb-group:last-child{border-right:none}.tb-group-end{display:flex;align-items:center;gap:.3rem;margin-left:auto}.tb-btn{padding:.3rem .5rem;background:transparent;color:var(--text-muted);border:none;border-radius:6px;cursor:pointer;font-family:Syne,system-ui,sans-serif;font-size:.76rem;font-weight:600;transition:all .15s;display:flex;align-items:center;gap:.2rem;white-space:nowrap}.tb-btn:hover{background:var(--bg-hover);color:var(--text)}.tb-btn.active{background:var(--primary);color:var(--text-invert)}[data-theme=dark] .tb-btn.active{color:#0e0c0b}.tb-btn:disabled{opacity:.3;cursor:not-allowed}.tb-btn-danger{padding:.3rem .5rem;background:transparent;color:var(--danger);border:none;border-radius:6px;cursor:pointer;font-size:.76rem;transition:all .15s;font-family:inherit}.tb-btn-danger:hover{background:#b91c1c14}.tb-select{padding:.28rem .48rem;background:var(--bg-muted);color:var(--text);border:1px solid var(--border);border-radius:6px;font-size:.78rem;cursor:pointer;outline:none;font-family:inherit}.tb-label{font-family:Syne,system-ui,sans-serif;font-size:.6rem;color:var(--text-dim);text-transform:uppercase;letter-spacing:.07em;font-weight:600}.tb-download{padding:.38rem 1rem;background:var(--primary);color:var(--text-invert);border:none;border-radius:7px;font-family:Syne,system-ui,sans-serif;font-weight:700;cursor:pointer;font-size:.8rem;transition:all .2s;display:flex;align-items:center;gap:.3rem}[data-theme=dark] .tb-download{color:#0e0c0b}.tb-download:hover{background:var(--primary-dark);transform:translateY(-1px)}.dashboard-footer{margin-top:5rem;padding:2rem 1rem;border-top:1px solid var(--border);text-align:center;font-size:.82rem;color:var(--text-dim);line-height:2}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:10px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}@keyframes scaleIn{0%{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-7px)}}@keyframes textShimmer{to{background-position:200% center}}@keyframes pulse{0%,to{opacity:1;transform:scale(1)}50%{opacity:.6;transform:scale(.85)}}@media(max-width:1024px){.footer-content{grid-template-columns:1fr 1fr;gap:2.5rem}.dashboard-title{font-size:3.25rem}}@media(max-width:768px){.dashboard-title{font-size:2.75rem}.app-content{padding:2rem 1.25rem}.app-topbar{padding:0 1.25rem}.tool-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}.footer-content{grid-template-columns:1fr;text-align:center}.footer-bottom{flex-direction:column;gap:1.25rem}.tool-view-card{padding:2rem 1.25rem}.tool-view-title{font-size:1.65rem}.tool-wrap{padding:0 .25rem}.dashboard-stats{flex-direction:column;width:100%;max-width:280px}.dashboard-stat-item{border-right:none;border-bottom:1px solid var(--border)}.dashboard-stat-item:last-child{border-bottom:none}}@media(max-width:480px){.tool-grid{grid-template-columns:1fr}.tool-card{padding:1.5rem}.dashboard-title{font-size:2.25rem}}