*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #09090b;--bg-secondary: #111113;--bg-card: #18181b;--bg-hover: #27272a;--text-primary: #fafafa;--text-secondary: #a1a1aa;--text-muted: #71717a;--accent: #6366f1;--accent-hover: #818cf8;--accent-glow: rgba(99, 102, 241, .15);--success: #22c55e;--success-glow: rgba(34, 197, 94, .15);--error: #ef4444;--warning: #f59e0b;--border: #27272a;--border-hover: #3f3f46;--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--shadow: 0 4px 24px rgba(0, 0, 0, .3);--transition: .2s cubic-bezier(.4, 0, .2, 1)}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;-webkit-font-smoothing:antialiased;-webkit-text-size-adjust:100%}#root{min-height:100vh;display:flex;flex-direction:column;align-items:center}.app{width:100%;max-width:840px;padding:48px 24px;animation:fadeIn .5s ease-out}.app__header{text-align:center;margin-bottom:48px}.app__title{font-size:2.5rem;font-weight:800;letter-spacing:-.03em;background:linear-gradient(135deg,var(--accent) 0%,#a78bfa 50%,#ec4899 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.app__subtitle{color:var(--text-secondary);font-size:1.05rem;font-weight:400}.app__section{margin-bottom:32px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:64px 32px;text-align:center;cursor:pointer;transition:all var(--transition);background:var(--bg-secondary);position:relative;overflow:hidden}.dropzone:hover{border-color:var(--border-hover);background:var(--bg-card)}.dropzone--active{border-color:var(--accent);background:var(--accent-glow);box-shadow:0 0 0 4px var(--accent-glow)}.dropzone--has-file{padding:24px 32px;border-style:solid;border-color:var(--border)}.dropzone__icon{font-size:3rem;margin-bottom:16px;opacity:.6}.dropzone__text{font-size:1.1rem;color:var(--text-secondary);margin-bottom:8px}.dropzone__hint{font-size:.85rem;color:var(--text-muted)}.dropzone__file-info{display:flex;align-items:center;gap:16px}.dropzone__file-icon{font-size:2rem}.dropzone__file-details{text-align:left;flex:1;min-width:0}.dropzone__file-name{font-weight:600;font-size:.95rem;color:var(--text-primary);word-break:break-all}.dropzone__file-size{font-size:.85rem;color:var(--text-secondary);margin-top:2px}.dropzone__change-btn{font-size:.8rem;color:var(--accent);background:none;border:1px solid var(--accent);padding:6px 14px;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap;flex-shrink:0}.dropzone__change-btn:hover{background:var(--accent-glow)}.settings{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.settings__title{font-size:1rem;font-weight:600;margin-bottom:20px;color:var(--text-primary)}.settings__presets{display:flex;gap:8px;margin-bottom:24px}.settings__preset-btn{flex:1;padding:10px 16px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-secondary);color:var(--text-secondary);font-size:.85rem;font-weight:500;cursor:pointer;transition:all var(--transition)}.settings__preset-btn:hover{border-color:var(--border-hover);color:var(--text-primary)}.settings__preset-btn--active{border-color:var(--accent);background:var(--accent-glow);color:var(--accent-hover)}.settings__grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.settings__field{display:flex;flex-direction:column;gap:6px}.settings__field--full{grid-column:1 / -1}.settings__label{font-size:.8rem;font-weight:500;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em}.settings__select,.settings__input{padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.9rem;font-family:inherit;transition:border-color var(--transition);outline:none;width:100%;min-height:44px}.settings__select:focus,.settings__input:focus{border-color:var(--accent)}.settings__slider-container{display:flex;align-items:center;gap:12px}.settings__slider{flex:1;-webkit-appearance:none;appearance:none;height:6px;border-radius:3px;background:var(--border);outline:none}.settings__slider::-webkit-slider-thumb{-webkit-appearance:none;appearance:none;width:24px;height:24px;border-radius:50%;background:var(--accent);cursor:pointer;transition:transform var(--transition)}.settings__slider::-webkit-slider-thumb:hover{transform:scale(1.2)}.settings__slider-value{font-size:.9rem;font-weight:600;color:var(--accent-hover);min-width:32px;text-align:right}.estimate{display:flex;align-items:center;justify-content:center;gap:16px;margin-bottom:16px;padding:14px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}.estimate__original,.estimate__target{display:flex;flex-direction:column;align-items:center;gap:2px}.estimate__label{font-size:.65rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.estimate__size{font-size:1.15rem;font-weight:700;color:var(--text-secondary)}.estimate__size--accent{color:var(--accent-hover)}.estimate__arrow{font-size:1.2rem;color:var(--text-muted)}.estimate__hint{font-size:.65rem;color:var(--text-muted);margin-left:auto;white-space:nowrap}.compress-btn{width:100%;padding:16px;border:none;border-radius:var(--radius);background:linear-gradient(135deg,var(--accent),#8b5cf6);color:#fff;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:inherit;letter-spacing:.01em;min-height:52px}.compress-btn:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 8px 24px #6366f14d}.compress-btn:active:not(:disabled){transform:translateY(0)}.compress-btn:disabled{opacity:.5;cursor:not-allowed}.progress{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.progress__label{font-size:.9rem;color:var(--text-secondary);margin-bottom:12px;display:flex;justify-content:space-between;align-items:center}.progress__percentage{font-weight:700;color:var(--accent-hover);font-size:1.1rem}.progress__bar-container{width:100%;height:8px;background:var(--bg-hover);border-radius:4px;overflow:hidden}.progress__bar{height:100%;border-radius:4px;background:linear-gradient(90deg,var(--accent),#8b5cf6,var(--accent-hover));background-size:200% 100%;transition:width .3s ease-out;animation:shimmer 2s linear infinite}.progress__estimate{display:flex;align-items:center;justify-content:center;gap:16px;margin-top:16px;padding-top:16px;border-top:1px solid var(--border)}.progress__estimate-item{display:flex;flex-direction:column;align-items:center;gap:2px}.progress__estimate-label{font-size:.65rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.progress__estimate-size{font-size:1.1rem;font-weight:700;color:var(--text-secondary)}.progress__estimate-size--accent{color:var(--accent-hover)}.progress__estimate-arrow{font-size:1.2rem;color:var(--text-muted)}.progress__details{margin-top:12px}.progress__file-name{font-size:.8rem;font-weight:500;color:var(--text-muted);word-break:break-all}.progress__settings{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px}.progress__tag{font-size:.7rem;font-weight:500;color:var(--text-secondary);background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;padding:3px 8px;letter-spacing:.02em}.result{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:28px}.result__header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}.result__title{font-size:1rem;font-weight:600}.result__savings{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:20px;font-size:.9rem;font-weight:700;background:var(--success-glow);color:var(--success);white-space:nowrap}.result__comparison{display:grid;grid-template-columns:1fr auto 1fr;gap:16px;align-items:center;margin-bottom:24px}.result__file{text-align:center}.result__file-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:4px}.result__file-size{font-size:1.4rem;font-weight:700}.result__file-size--original{color:var(--text-secondary)}.result__file-size--compressed{color:var(--success)}.result__arrow{font-size:1.5rem;color:var(--text-muted)}.result__preview{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px}.result__video-container{border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);background:#000}.result__video-label{font-size:.75rem;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;padding:8px 12px;background:var(--bg-secondary);text-align:center}.result__video{width:100%;display:block;aspect-ratio:16/9;object-fit:contain}.download-btn{width:100%;padding:16px;border:none;border-radius:var(--radius);background:linear-gradient(135deg,var(--success),#16a34a);color:#fff;font-size:1.05rem;font-weight:600;cursor:pointer;transition:all var(--transition);font-family:inherit;display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px}.download-btn:hover{transform:translateY(-1px);box-shadow:0 8px 24px #22c55e4d}.download-btn:active{transform:translateY(0)}.error{background:#ef44441a;border:1px solid rgba(239,68,68,.3);border-radius:var(--radius);padding:16px 20px;color:var(--error);font-size:.9rem}@keyframes fadeIn{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.6}}@media(max-width:640px){.app{padding:24px 16px}.app__header{margin-bottom:32px}.app__title{font-size:1.8rem}.app__subtitle{font-size:.9rem}.app__section{margin-bottom:24px}.dropzone{padding:48px 20px}.dropzone--has-file{padding:16px 20px}.dropzone__icon{font-size:2.4rem}.dropzone__text{font-size:1rem}.dropzone__file-info{gap:12px}.dropzone__file-name{font-size:.85rem}.settings{padding:20px}.settings__presets{gap:6px}.settings__preset-btn{padding:10px 8px;font-size:.8rem}.settings__grid{grid-template-columns:1fr}.estimate{gap:12px;padding:12px 16px}.estimate__size{font-size:1rem}.estimate__hint{display:none}.progress{padding:20px}.progress__estimate{gap:12px}.progress__estimate-size{font-size:.95rem}.progress__settings{gap:4px}.progress__tag{font-size:.65rem;padding:2px 6px}.result{padding:20px}.result__header{flex-direction:column;align-items:flex-start;gap:8px}.result__comparison{grid-template-columns:1fr auto 1fr;gap:8px}.result__file-size{font-size:1.1rem}.result__preview{grid-template-columns:1fr}.download-btn{font-size:.95rem;padding:14px}}@media(max-width:380px){.app{padding:16px 12px}.app__title{font-size:1.5rem}.settings__presets{flex-wrap:wrap}.settings__preset-btn{flex:0 0 calc(50% - 4px)}.estimate{flex-wrap:wrap;justify-content:center;gap:8px}.result__comparison{grid-template-columns:1fr;gap:4px}.result__arrow{transform:rotate(90deg);justify-self:center}}