@import"https://fonts.googleapis.com/css2?family=Instrument+Sans:ital,wght@0,400..700;1,400..700&family=Roboto+Mono:ital,wght@0,100..700;1,100..700&display=swap";:root{--font: "Instrument Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "Roboto Mono", "Fira Code", "SF Mono", monospace;--radius-xs: 4px;--radius-sm: 6px;--radius: 8px;--radius-md: 10px;--radius-lg: 14px;--radius-xl: 18px;--transition: .2s cubic-bezier(.4, 0, .2, 1);--transition-slow: .35s cubic-bezier(.4, 0, .2, 1);--bg: #0F172A;--bg-secondary: #131C31;--bg-card: #1E293B;--bg-card-hover: #243044;--bg-input: #162033;--bg-elevated: #253349;--border: #334155;--border-hover: #475569;--border-focus: #0EA5E9;--accent: #0EA5E9;--accent-hover: #38BDF8;--accent-light: #7DD3FC;--accent-subtle: rgba(14, 165, 233, .12);--accent-2: #8B5CF6;--accent-3: #10B981;--text: #F8FAFC;--text-secondary: #CBD5E1;--text-muted: #94A3B8;--text-dim: #64748B;--success: #10B981;--success-subtle: rgba(16, 185, 129, .12);--warning: #F59E0B;--error: #EF4444;--error-subtle: rgba(239, 68, 68, .12);--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .3)}:root.light{--bg: #F8FAFC;--bg-secondary: #F1F5F9;--bg-card: #FFFFFF;--bg-card-hover: #F8FAFC;--bg-input: #F1F5F9;--bg-elevated: #FFFFFF;--border: #E2E8F0;--border-hover: #CBD5E1;--border-focus: #0EA5E9;--accent: #0284C7;--accent-hover: #0EA5E9;--accent-light: #0369A1;--accent-subtle: rgba(2, 132, 199, .08);--accent-2: #7C3AED;--accent-3: #059669;--text: #0F172A;--text-secondary: #334155;--text-muted: #64748B;--text-dim: #94A3B8;--success: #059669;--success-subtle: rgba(5, 150, 105, .08);--error: #DC2626;--error-subtle: rgba(220, 38, 38, .08);--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 30px rgba(0, 0, 0, .08)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}::selection{background:var(--accent);color:#fff}::-moz-selection{background:var(--accent);color:#fff}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#root{min-height:100vh}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border-hover)}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideDown{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(360deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(200%)}}.animate-in{animation:fadeInUp .45s var(--transition) forwards}.animate-fade{animation:fadeIn .25s ease forwards}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-container{max-width:1320px;margin:0 auto;padding:0 24px 60px;width:100%}.header{display:flex;align-items:center;justify-content:space-between;padding:14px 24px;background:var(--bg-secondary);border-bottom:1px solid var(--border);margin-bottom:28px;position:sticky;top:0;z-index:100}.logo{display:flex;align-items:center;gap:10px;text-decoration:none;cursor:pointer}.logo:hover .logo-text{color:var(--accent)}.logo-icon{width:34px;height:34px;background:var(--accent);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:#fff}.logo-text{font-size:17px;font-weight:700;letter-spacing:-.3px;color:var(--text);transition:color var(--transition)}.header-left{display:flex;align-items:center;gap:20px}.header-nav{display:flex;align-items:center;gap:6px}.nav-link{text-decoration:none;font-size:13px;font-weight:600;color:var(--text-secondary);padding:6px 12px;border-radius:var(--radius);transition:all var(--transition)}.nav-link:hover,.nav-link.active{color:var(--accent);background:var(--accent-subtle)}.header-actions{display:flex;align-items:center;gap:10px}.about-social-link{display:inline-flex;align-items:center;gap:6px;margin-top:12px;color:var(--accent);text-decoration:none;font-size:14px;font-weight:600;padding:8px 18px;border:1px solid var(--accent);border-radius:20px;transition:all var(--transition)}.about-social-link:hover{background:var(--accent);color:#fff}.theme-toggle{background:var(--bg-card);border:1px solid var(--border);color:var(--text-muted);padding:6px 14px;border-radius:var(--radius);cursor:pointer;font-family:var(--font);font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px;transition:all var(--transition)}.theme-toggle:hover{background:var(--bg-card-hover);border-color:var(--border-hover);color:var(--text)}.header-badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;color:var(--accent);background:var(--accent-subtle);padding:5px 12px;border-radius:20px;letter-spacing:.3px}.badge-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);animation:pulse 2s infinite}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;margin-bottom:16px;box-shadow:var(--shadow-sm);transition:border-color var(--transition),box-shadow var(--transition)}.card:hover{border-color:var(--border-hover);box-shadow:var(--shadow)}.section-label{display:flex;align-items:center;gap:8px;font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:14px}.panel-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;padding-bottom:16px;border-bottom:1px solid var(--border)}.panel-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--text)}.split-layout{display:grid;grid-template-columns:1fr 420px;gap:20px;align-items:start}@media (max-width: 1060px){.split-layout{grid-template-columns:1fr}}.main-preview-area{display:flex;flex-direction:column;gap:16px}.inspector-panel{position:sticky;top:72px}.url-section{animation:fadeInUp .45s ease forwards;animation-delay:.1s;opacity:0}.url-input-group{display:flex;gap:8px;margin-bottom:12px}.url-input{flex:1;padding:11px 16px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-mono);font-size:13px;outline:none;transition:border-color var(--transition),box-shadow var(--transition)}.url-input::placeholder{color:var(--text-dim)}.url-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border-radius:var(--radius);font-family:var(--font);font-size:14px;font-weight:600;cursor:pointer;border:none;transition:all var(--transition);white-space:nowrap}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent);color:#fff;box-shadow:0 1px 3px #0ea5e94d}.btn-primary:hover:not(:disabled){background:var(--accent-hover);box-shadow:0 4px 12px #0ea5e94d;transform:translateY(-1px)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-secondary{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){background:var(--bg-card-hover);color:var(--text);border-color:var(--border-hover)}.btn-process{background:var(--accent);color:#fff;padding:14px 28px;font-size:15px;font-weight:700;border:none;cursor:pointer;display:inline-flex;align-items:center;gap:8px;border-radius:var(--radius);font-family:var(--font);transition:all var(--transition);letter-spacing:.2px;box-shadow:0 2px 8px #0ea5e940;width:100%;justify-content:center}.btn-process:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px #0ea5e959}.btn-process:disabled{opacity:.4;cursor:not-allowed}.btn-icon{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text-muted);transition:all var(--transition)}.btn-icon:hover{background:var(--bg-card-hover);color:var(--text);border-color:var(--border-hover)}.url-extras{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px}.url-examples{display:flex;align-items:center;gap:6px;flex-wrap:wrap}.example-label{font-size:12px;color:var(--text-dim)}.example-chip{padding:4px 12px;background:var(--accent-subtle);border:1px solid transparent;border-radius:20px;color:var(--accent);font-size:12px;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:var(--font)}.example-chip:hover{background:var(--accent);color:#fff;transform:translateY(-1px)}.drop-zone{margin-top:14px;padding:28px;border:2px dashed var(--border);border-radius:var(--radius-lg);text-align:center;color:var(--text-muted);font-size:13px;cursor:pointer;transition:all var(--transition);background:var(--bg-input)}.drop-zone:hover,.drop-zone.dragging{border-color:var(--accent);background:var(--accent-subtle);color:var(--accent)}.drop-zone svg{vertical-align:middle;margin-right:8px}.processing-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0f172ad9;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;z-index:200;animation:fadeIn .3s ease}.processing-card{background:var(--bg-card);border:1px solid var(--border-hover);border-radius:var(--radius-xl);padding:44px 52px;text-align:center;max-width:380px;width:100%;box-shadow:var(--shadow-lg)}.processing-spinner{width:44px;height:44px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .8s linear infinite;margin:0 auto 22px}.processing-text{color:var(--text-secondary);font-size:15px;margin-bottom:20px}.progress-bar{width:100%;height:3px;background:var(--border);border-radius:3px;overflow:hidden}.progress-fill{height:100%;background:var(--accent);border-radius:3px;width:30%;animation:shimmer 1.5s ease-in-out infinite}.preview-container{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;min-height:380px;display:flex;align-items:center;justify-content:center}.preview-container img,.preview-container video{max-width:100%;max-height:420px;object-fit:contain;display:block}.preview-filename{margin-top:10px;font-family:var(--font-mono);font-size:12px;color:var(--text-dim);word-break:break-all}.media-type-badge{padding:4px 12px;border-radius:20px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}.media-type-badge.image{background:#8b5cf61a;color:var(--accent-2)}.media-type-badge.video{background:var(--accent-subtle);color:var(--accent)}.metadata-grid{margin-bottom:8px}.meta-section-head{padding:10px 14px 6px;font-size:10px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1.2px;border-bottom:1px solid var(--border);margin-top:8px}.meta-item{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;padding:7px 14px;border-radius:var(--radius-sm);transition:background var(--transition)}.meta-item:hover{background:var(--bg-input)}.meta-key{font-size:12px;color:var(--text-muted);flex-shrink:0}.meta-value{font-family:var(--font-mono);font-size:12px;color:var(--text);word-break:break-all;font-weight:500;text-align:right}.meta-value.highlight{color:var(--accent)}.copy-btn-wrap{display:flex;gap:8px}.ffmpeg-log-section{margin-top:8px}.log-toggle{display:flex;align-items:center;gap:6px;background:none;border:none;color:var(--text-muted);font-size:12px;font-weight:500;cursor:pointer;padding:4px 0;font-family:var(--font);transition:color var(--transition)}.log-toggle:hover{color:var(--text)}.log-chevron{transition:transform var(--transition)}.log-chevron.open{transform:rotate(180deg)}.ffmpeg-log{margin-top:10px;padding:14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius);font-family:var(--font-mono);font-size:11px;color:var(--accent-3);max-height:220px;overflow-y:auto;white-space:pre-wrap;word-break:break-all;line-height:1.7}.controls-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin-bottom:24px}@media (max-width: 700px){.controls-grid{grid-template-columns:1fr}}.control-group{display:flex;flex-direction:column;gap:10px}.control-label{font-size:13px;font-weight:600;color:var(--text-secondary);display:flex;align-items:center;gap:8px}.control-value{font-family:var(--font-mono);font-size:11px;color:var(--accent);background:var(--accent-subtle);padding:2px 8px;border-radius:4px}.btn-group{display:flex;flex-wrap:wrap;gap:6px}.format-btn{padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;border:1px solid var(--border);background:var(--bg-input);color:var(--text-muted);transition:all var(--transition);font-family:var(--font)}.format-btn:hover:not(.active){border-color:var(--accent);color:var(--accent);background:var(--accent-subtle)}.format-btn.active{background:var(--accent);color:#fff;border-color:var(--accent)}.slider{width:100%;-webkit-appearance:none;-moz-appearance:none;appearance:none;height:4px;border-radius:4px;background:var(--border);outline:none}.slider::-webkit-slider-thumb{-webkit-appearance:none;width:16px;height:16px;border-radius:50%;background:var(--accent);cursor:pointer;box-shadow:0 0 0 3px var(--accent-subtle);transition:transform var(--transition)}.slider::-webkit-slider-thumb:hover{transform:scale(1.15)}.slider-marks{display:flex;justify-content:space-between;font-size:10px;color:var(--text-dim);margin-top:4px}.dimension-inputs{display:flex;align-items:center;gap:10px}.dim-input-wrap{position:relative}.dim-input{width:110px;padding:9px 34px 9px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);color:var(--text);font-family:var(--font-mono);font-size:13px;outline:none;transition:border-color var(--transition)}.dim-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-subtle)}.dim-input::placeholder{color:var(--text-dim)}.dim-label{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:10px;font-weight:700;color:var(--text-dim);pointer-events:none;text-transform:uppercase}.dim-x{color:var(--text-dim)}.checkbox-label{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:13px;color:var(--text-secondary);-webkit-user-select:none;user-select:none}.checkbox-label input{display:none}.checkbox-custom{width:18px;height:18px;border:2px solid var(--border);border-radius:5px;display:flex;align-items:center;justify-content:center;transition:all var(--transition);flex-shrink:0}.checkbox-label input:checked+.checkbox-custom{background:var(--accent);border-color:var(--accent)}.checkbox-label input:checked+.checkbox-custom:after{content:"✓";font-size:11px;color:#fff;font-weight:700}.edit-panel{animation:fadeInUp .45s ease forwards}.edit-type-tag{font-size:13px;color:var(--text-muted)}.action-row{display:flex;align-items:center;gap:20px;flex-wrap:wrap}.process-note{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--text-dim)}.output-panel{animation:fadeInUp .45s ease forwards}.output-preview{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;min-height:100px;display:flex;align-items:center;justify-content:center;margin-bottom:20px}.output-preview img,.output-preview video{max-width:100%;max-height:500px;object-fit:contain}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;margin-bottom:20px}.stat-card{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px;text-align:center}.stat-label{font-size:11px;color:var(--text-dim);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}.stat-value{font-family:var(--font-mono);font-size:18px;font-weight:700;color:var(--text)}.stat-value.positive{color:var(--success)}.stat-value.negative{color:var(--error)}.download-row{display:flex;gap:10px}.btn-download{flex:1;background:var(--accent-3);color:#fff;padding:14px 24px;font-size:15px;font-weight:700;border:none;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius);font-family:var(--font);transition:all var(--transition);box-shadow:0 2px 8px #10b98133}.btn-download:hover{transform:translateY(-1px);box-shadow:0 6px 20px #10b9814d}.btn-reset{background:var(--bg-card);color:var(--text-secondary);padding:14px 24px;font-size:14px;font-weight:600;border:1px solid var(--border);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--radius);font-family:var(--font);transition:all var(--transition)}.btn-reset:hover{background:var(--bg-card-hover);border-color:var(--border-hover)}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%);padding:12px 24px;border-radius:var(--radius);font-size:14px;font-weight:500;z-index:300;animation:slideDown .3s ease;display:flex;align-items:center;gap:10px;box-shadow:var(--shadow-lg)}.toast.error{background:var(--error);color:#fff}.toast.success{background:var(--success);color:#fff}.toast-close{background:none;border:none;color:inherit;cursor:pointer;padding:0;margin-left:8px;opacity:.7}.toast-close:hover{opacity:1}.output-stats-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}@media (max-width: 600px){.output-stats-grid{grid-template-columns:1fr}}.output-stat-card{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);padding:16px;text-align:center}.output-stat-label{font-size:11px;font-weight:600;color:var(--text-dim);text-transform:uppercase;letter-spacing:.8px;margin-bottom:6px}.output-stat-value{font-family:var(--font-mono);font-size:18px;font-weight:700;color:var(--text)}.output-stat-value.positive{color:var(--success)}.output-stat-value.negative{color:var(--error)}.output-actions{display:flex;gap:12px;margin-top:20px}.output-actions .btn{flex:1;justify-content:center;padding:14px 20px;font-size:14px}.output-header-pills{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.output-pill{font-family:var(--font-mono);font-size:12px;font-weight:600;padding:4px 10px;border-radius:20px;background:var(--bg-input);border:1px solid var(--border);color:var(--text);white-space:nowrap}.output-pill.pill-positive{background:var(--success-subtle);color:var(--success);border-color:transparent}.output-pill.pill-negative{background:var(--error-subtle);color:var(--error);border-color:transparent}.output-pill.pill-muted{color:var(--text-muted);font-weight:500}.pill-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.5px;color:var(--text-dim);margin-right:5px}.pill-positive .pill-label{color:var(--success);opacity:.7}.pill-negative .pill-label{color:var(--error);opacity:.7}.meta-tooltip-wrap{position:relative;display:inline-flex;align-items:center;margin-left:5px;cursor:help}.meta-info-icon{color:var(--text-dim);opacity:.5;transition:opacity var(--transition),color var(--transition)}.meta-tooltip-wrap:hover .meta-info-icon{opacity:1;color:var(--accent)}.meta-tooltip{position:absolute;left:50%;bottom:calc(100% + 8px);transform:translate(-50%);background:var(--bg-elevated, var(--bg-card));color:var(--text);border:1px solid var(--border-hover);border-radius:var(--radius);padding:8px 12px;font-size:12px;font-weight:400;font-family:var(--font);line-height:1.4;white-space:normal;width:240px;box-shadow:var(--shadow-lg);z-index:50;pointer-events:none;opacity:0;transition:opacity var(--transition)}.meta-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:var(--border-hover)}.meta-tooltip-wrap:hover .meta-tooltip{opacity:1}.panel-header-actions{display:flex;align-items:center;gap:8px}.output-preview-wrap{position:relative;margin-bottom:20px}.preview-open-btn{position:absolute;top:10px;right:10px;z-index:10;background:var(--bg-card);opacity:0;transition:opacity var(--transition);text-decoration:none}.output-preview-wrap:hover .preview-open-btn{opacity:1}.checkbox-row{display:flex;gap:20px;flex-wrap:wrap}.quick-tools{margin-top:24px;padding-top:20px;border-top:1px solid var(--border)}.quick-tools-header{font-size:11px;font-weight:700;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:12px}.quick-tools-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 700px){.quick-tools-row{grid-template-columns:1fr}}.quick-tool-card{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius);padding:14px}.quick-tool-label{display:flex;align-items:center;gap:6px;font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:10px}.quick-tool-controls{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.control-tooltip-wrap{position:relative;display:inline-flex;align-items:center;margin-left:6px;cursor:help;vertical-align:middle}.control-tip-icon{color:var(--text-muted);opacity:.7;transition:opacity var(--transition),color var(--transition)}.control-tooltip-wrap:hover .control-tip-icon{opacity:1;color:var(--accent)}.control-tooltip{position:absolute;left:50%;bottom:calc(100% + 8px);transform:translate(-50%);background:var(--bg-elevated, var(--bg-card));color:var(--text);border:1px solid var(--border-hover);border-radius:var(--radius);padding:8px 12px;font-size:11px;font-weight:500;font-family:var(--font);line-height:1.4;white-space:normal;width:220px;text-align:center;box-shadow:var(--shadow-lg);z-index:50;pointer-events:none;opacity:0;transition:opacity var(--transition)}.control-tooltip:after{content:"";position:absolute;top:100%;left:50%;transform:translate(-50%);border:5px solid transparent;border-top-color:var(--border-hover)}.control-tooltip-wrap:hover .control-tooltip{opacity:1}.compare-toggle-row{display:flex;margin-bottom:20px;background:var(--bg-input);padding:4px;border-radius:var(--radius);gap:4px;align-self:flex-start}.compare-toggle-btn{flex:1;display:inline-flex;align-items:center;justify-content:center;gap:6px;background:transparent;border:none;padding:8px 16px;font-size:13px;font-weight:600;color:var(--text-dim);border-radius:calc(var(--radius) - 2px);cursor:pointer;transition:all var(--transition)}.compare-toggle-btn:hover{color:var(--text)}.compare-toggle-btn.active{background:var(--bg-card);color:var(--text);box-shadow:var(--shadow-sm)}.compare-container{display:flex;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:20px}.compare-side{flex:1;display:flex;flex-direction:column;padding:16px;align-items:center;text-align:center}.compare-divider{width:1px;background:var(--border)}.compare-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin-bottom:12px}.compare-label-output{color:var(--accent)}.compare-media{width:100%;display:flex;justify-content:center;margin-bottom:12px;flex:1}.compare-media img,.compare-media video{max-width:100%;max-height:300px;border-radius:var(--radius);background:var(--bg-body);border:1px solid var(--border);object-fit:contain}.compare-size{font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:8px}.compare-change{font-size:11px;padding:2px 6px;border-radius:12px}.compare-change.positive{background:var(--success-subtle);color:var(--success)}.compare-change.negative{background:var(--error-subtle);color:var(--error)}@media (max-width: 600px){.compare-container{flex-direction:column}.compare-divider{width:100%;height:1px}}.custom-input-row{display:flex;align-items:center;gap:10px;margin-top:8px;animation:fadeSlideIn .2s ease}.custom-input-row .dim-input{max-width:160px}.custom-input-hint{font-size:11px;color:var(--text-dim);font-family:var(--font-mono)}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(-4px)}to{opacity:1;transform:translateY(0)}}.soft-enter{animation:softFade .25s ease both}@keyframes softFade{0%{opacity:0}to{opacity:1}}.upload-progress{margin-top:12px}.progress-bar-track{width:100%;height:6px;background:var(--bg-input);border-radius:3px;overflow:hidden}.progress-bar-fill{height:100%;background:var(--accent);border-radius:3px;transition:width .3s ease}.progress-text{display:flex;justify-content:space-between;font-size:11px;color:var(--text-dim);margin-top:4px;font-family:var(--font-mono)}.accent{color:var(--accent)}.header-link{background:transparent;border:1px solid var(--border);color:var(--text-secondary);padding:6px 14px;border-radius:var(--radius);font-size:13px;font-weight:600;cursor:pointer;transition:all var(--transition)}.header-link:hover{color:var(--text);border-color:var(--accent);background:var(--accent-subtle)}.validation-error{background:var(--error-subtle);color:var(--error);border:1px solid var(--error);border-radius:var(--radius);padding:10px 14px;font-size:13px;font-weight:600;margin-bottom:12px;animation:fadeSlideIn .2s ease}.hero-section{text-align:center;padding:80px 24px 60px;max-width:680px;margin:0 auto}.hero-title{font-size:42px;font-weight:800;line-height:1.1;letter-spacing:-1px;color:var(--text);margin:0 0 20px}.hero-subtitle{font-size:17px;color:var(--text-secondary);line-height:1.6;max-width:520px;margin:0 auto 32px}.hero-features{display:flex;flex-wrap:wrap;justify-content:center;gap:10px}.hero-chip{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:8px 16px;font-size:13px;font-weight:600;color:var(--text-secondary);transition:all var(--transition)}.hero-chip:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}@media (max-width: 600px){.hero-title{font-size:28px}.hero-subtitle{font-size:15px}}.about-page{max-width:900px;margin:0 auto;padding:40px 24px 80px}.about-header{margin-bottom:40px}.about-hero{text-align:center;margin-bottom:48px}.about-title{font-size:48px;font-weight:800;letter-spacing:-2px;color:var(--text);margin:0 0 12px}.about-subtitle{font-size:17px;color:var(--text-secondary);line-height:1.6;max-width:520px;margin:0 auto}.about-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:48px}@media (max-width: 800px){.about-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 500px){.about-grid{grid-template-columns:1fr}.about-title{font-size:32px}}.about-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:24px 20px;transition:all var(--transition)}.about-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow-lg)}.about-card-icon{width:40px;height:40px;border-radius:10px;background:var(--accent-subtle);color:var(--accent);display:flex;align-items:center;justify-content:center;margin-bottom:14px}.about-card h3{font-size:15px;font-weight:700;color:var(--text);margin:0 0 8px}.about-card p{font-size:13px;color:var(--text-secondary);line-height:1.5;margin:0}.about-tech{text-align:center;margin-bottom:40px}.about-tech h2{font-size:14px;font-weight:700;text-transform:uppercase;letter-spacing:1px;color:var(--text-dim);margin:0 0 16px}.tech-pills{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}.tech-pill{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:6px 16px;font-size:13px;font-weight:600;color:var(--text-secondary);font-family:var(--font-mono)}.about-footer{text-align:center;font-size:13px;color:var(--text-dim)}.about-footer p{margin:0}