*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg-primary: #111111;--bg-secondary: #1a1a1a;--bg-surface: #222222;--bg-surface-hover: #2a2a2a;--bg-elevated: #2c2c2c;--text-primary: #f0f0f0;--text-secondary: #a0a0a0;--text-muted: #666666;--text-accent: #ffffff;--border-subtle: rgba(255, 255, 255, .06);--border-medium: rgba(255, 255, 255, .1);--border-strong: rgba(255, 255, 255, .15);--clay-shadow: 8px 8px 16px rgba(0, 0, 0, .5), -2px -2px 8px rgba(255, 255, 255, .02), inset -3px -3px 6px rgba(0, 0, 0, .4), inset 3px 3px 6px rgba(255, 255, 255, .04);--clay-shadow-hover: 10px 10px 20px rgba(0, 0, 0, .55), -3px -3px 10px rgba(255, 255, 255, .03), inset -4px -4px 8px rgba(0, 0, 0, .4), inset 4px 4px 8px rgba(255, 255, 255, .06);--clay-shadow-pressed: 4px 4px 8px rgba(0, 0, 0, .5), inset -4px -4px 10px rgba(0, 0, 0, .5), inset 4px 4px 10px rgba(255, 255, 255, .03);--clay-shadow-inset: inset 4px 4px 10px rgba(0, 0, 0, .5), inset -2px -2px 6px rgba(255, 255, 255, .03);--clay-shadow-sm: 4px 4px 8px rgba(0, 0, 0, .4), inset -2px -2px 4px rgba(0, 0, 0, .3), inset 2px 2px 4px rgba(255, 255, 255, .04);--radius-sm: 12px;--radius-md: 20px;--radius-lg: 28px;--radius-xl: 36px;--radius-full: 9999px;--space-xs: 6px;--space-sm: 12px;--space-md: 20px;--space-lg: 32px;--space-xl: 48px;--space-2xl: 72px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-md: 1rem;--font-size-lg: 1.25rem;--font-size-xl: 1.75rem;--font-size-2xl: 2.5rem;--font-size-3xl: 3.5rem;--transition-fast: .15s cubic-bezier(.4, 0, .2, 1);--transition-normal: .25s cubic-bezier(.4, 0, .2, 1);--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;overflow-x:hidden;position:relative}.grain-overlay{position:fixed;top:0;left:0;width:100%;height:100%;pointer-events:none;z-index:9999;opacity:.03;background-image:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");background-repeat:repeat;background-size:256px 256px}.header{position:sticky;top:0;z-index:100;backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);background:#111c;border-bottom:1px solid var(--border-subtle)}.header-inner{max-width:900px;margin:0 auto;padding:var(--space-sm) var(--space-md);display:flex;align-items:center;justify-content:space-between}.logo{display:flex;align-items:center;gap:var(--space-sm);text-decoration:none;color:var(--text-accent)}.logo-icon{font-size:1.5rem;display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--bg-surface);border-radius:var(--radius-sm);box-shadow:var(--clay-shadow-sm);transition:transform var(--transition-normal)}.logo:hover .logo-icon{transform:rotate(180deg)}.logo-text{font-size:var(--font-size-lg);font-weight:800;letter-spacing:-.03em}.header-nav{display:flex;gap:var(--space-xs)}.clay-card{background:var(--bg-surface);border-radius:var(--radius-lg);border:1px solid var(--border-subtle);box-shadow:var(--clay-shadow);transition:box-shadow var(--transition-normal),transform var(--transition-normal)}.clay-card:hover{box-shadow:var(--clay-shadow-hover)}.clay-btn{display:inline-flex;align-items:center;justify-content:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);background:var(--bg-surface);color:var(--text-primary);border:1px solid var(--border-subtle);border-radius:var(--radius-md);font-family:inherit;font-size:var(--font-size-sm);font-weight:600;cursor:pointer;box-shadow:var(--clay-shadow-sm);transition:all var(--transition-fast);-webkit-user-select:none;user-select:none}.clay-btn:hover{background:var(--bg-surface-hover);box-shadow:var(--clay-shadow);transform:translateY(-1px)}.clay-btn:active{box-shadow:var(--clay-shadow-pressed);transform:translateY(0) scale(.98)}.clay-btn:disabled{opacity:.4;cursor:not-allowed;transform:none}.clay-btn-sm{padding:var(--space-xs) var(--space-sm);font-size:var(--font-size-xs);border-radius:var(--radius-sm)}.clay-badge{display:inline-flex;align-items:center;padding:4px 12px;background:var(--bg-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-full);font-size:var(--font-size-xs);font-weight:700;color:var(--text-secondary);box-shadow:var(--clay-shadow-sm);letter-spacing:.02em;text-transform:uppercase}.clay-inset{background:var(--bg-primary);border-radius:var(--radius-full);box-shadow:var(--clay-shadow-inset);border:1px solid rgba(0,0,0,.3)}.main{max-width:900px;margin:0 auto;padding:var(--space-xl) var(--space-md) var(--space-2xl)}.hero{text-align:center;margin-bottom:var(--space-xl)}.hero-title{font-size:clamp(2rem,5vw,var(--font-size-3xl));font-weight:900;line-height:1.1;letter-spacing:-.04em;margin-bottom:var(--space-md);color:var(--text-accent)}.hero-highlight{background:linear-gradient(135deg,#fff,#888);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{font-size:var(--font-size-md);color:var(--text-secondary);font-weight:400;letter-spacing:.04em;margin-bottom:var(--space-lg)}.input-card{padding:var(--space-lg);max-width:700px;margin:0 auto}.input-wrapper{display:flex;align-items:center;gap:var(--space-sm);background:var(--bg-primary);border-radius:var(--radius-md);padding:var(--space-xs) var(--space-xs) var(--space-xs) var(--space-md);box-shadow:var(--clay-shadow-inset);border:1px solid rgba(0,0,0,.2);transition:border-color var(--transition-normal)}.input-wrapper:focus-within{border-color:#ffffff26}.input-icon{color:var(--text-muted);flex-shrink:0;display:flex;align-items:center;transition:color var(--transition-normal)}.input-wrapper:focus-within .input-icon{color:var(--text-secondary)}.url-input{flex:1;background:none;border:none;outline:none;color:var(--text-primary);font-family:inherit;font-size:var(--font-size-md);font-weight:500;padding:var(--space-sm) 0;min-width:0}.url-input::placeholder{color:var(--text-muted);font-weight:400}.paste-btn{padding:var(--space-sm);border-radius:var(--radius-sm);flex-shrink:0}.fetch-btn{padding:var(--space-sm) var(--space-lg);border-radius:var(--radius-md);background:var(--text-accent);color:var(--bg-primary);font-weight:700;font-size:var(--font-size-md);flex-shrink:0;min-width:90px;box-shadow:6px 6px 12px #0006,inset -2px -2px 4px #0003,inset 2px 2px 4px #fffc}.fetch-btn:hover{background:#e8e8e8;box-shadow:8px 8px 16px #00000073,inset -3px -3px 6px #0003,inset 3px 3px 6px #ffffffe6;transform:translateY(-2px)}.fetch-btn:active{background:#d0d0d0;transform:translateY(0) scale(.97);box-shadow:2px 2px 6px #0006,inset -4px -4px 8px #0000004d,inset 4px 4px 8px #fff9}.supported-platforms{display:flex;flex-wrap:wrap;gap:var(--space-xs);justify-content:center;margin-top:var(--space-md)}.platform-tag{font-size:var(--font-size-xs);color:var(--text-muted);background:#ffffff08;padding:3px 10px;border-radius:var(--radius-full);border:1px solid var(--border-subtle);transition:all var(--transition-fast)}.platform-tag:hover{color:var(--text-secondary);border-color:var(--border-medium);background:#ffffff0d}.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(0,0,0,.2);border-top-color:var(--bg-primary);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.preview-section{margin-bottom:var(--space-xl);animation:slideUp .5s cubic-bezier(.16,1,.3,1) forwards}.preview-card{padding:var(--space-lg);overflow:hidden}.preview-header{display:flex;gap:var(--space-md);margin-bottom:var(--space-lg)}.preview-thumbnail-wrap{position:relative;flex-shrink:0;width:240px;border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--clay-shadow-sm)}.preview-thumbnail{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}.preview-duration{position:absolute;bottom:8px;right:8px;background:#000c;color:#fff;font-size:var(--font-size-xs);font-weight:700;padding:2px 8px;border-radius:var(--radius-sm);font-variant-numeric:tabular-nums}.preview-platform-badge{position:absolute;top:8px;left:8px;background:#000000b3;color:#fff;font-size:10px;font-weight:800;padding:3px 8px;border-radius:var(--radius-sm);text-transform:uppercase;letter-spacing:.05em;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.preview-info{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}.preview-title{font-size:var(--font-size-lg);font-weight:700;line-height:1.3;letter-spacing:-.02em;color:var(--text-accent);margin-bottom:var(--space-xs);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.preview-uploader{font-size:var(--font-size-sm);color:var(--text-secondary);font-weight:500}.section-label{font-size:var(--font-size-sm);font-weight:700;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.08em;margin-bottom:var(--space-sm)}.format-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:var(--space-sm);margin-bottom:var(--space-lg)}.format-option{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--space-md) var(--space-sm);background:var(--bg-primary);border:2px solid var(--border-subtle);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);box-shadow:var(--clay-shadow-inset);-webkit-user-select:none;user-select:none}.format-option:hover{border-color:var(--border-medium);background:var(--bg-secondary)}.format-option.selected{border-color:#ffffff80;background:var(--bg-elevated);box-shadow:0 0 0 1px #fff3,var(--clay-shadow-sm)}.format-option .format-label{font-size:var(--font-size-sm);font-weight:700;color:var(--text-primary);margin-bottom:2px}.format-option .format-meta{font-size:var(--font-size-xs);color:var(--text-muted)}.format-option .format-type-icon{font-size:20px;margin-bottom:var(--space-xs);opacity:.6}.format-option.selected .format-type-icon{opacity:1}.download-section{display:flex;justify-content:center}.download-btn{padding:var(--space-md) var(--space-xl);border-radius:var(--radius-lg);background:var(--text-accent);color:var(--bg-primary);font-size:var(--font-size-lg);font-weight:800;letter-spacing:-.02em;min-width:220px;box-shadow:8px 8px 16px #0006,inset -3px -3px 6px #00000026,inset 3px 3px 6px #ffffffe6}.download-btn:hover{background:#e8e8e8;box-shadow:10px 10px 20px #00000073,inset -4px -4px 8px #00000026,inset 4px 4px 8px #fff;transform:translateY(-3px)}.download-btn:active{background:#d5d5d5;transform:translateY(0) scale(.97);box-shadow:3px 3px 8px #0006,inset -5px -5px 10px #0003,inset 5px 5px 10px #ffffffb3}.progress-section{margin-top:var(--space-lg);animation:fadeIn .3s ease forwards}.progress-bar-track{height:12px;padding:2px;margin-bottom:var(--space-sm)}.progress-bar-fill{height:100%;border-radius:var(--radius-full);background:linear-gradient(90deg,#888,#fff);width:0%;transition:width .4s cubic-bezier(.4,0,.2,1);position:relative;overflow:hidden}.progress-bar-fill:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.3) 50%,transparent 100%);animation:shimmer 1.5s infinite}@keyframes shimmer{0%{transform:translate(-100%)}to{transform:translate(100%)}}.progress-details{display:flex;justify-content:space-between;align-items:center}.progress-percent{font-size:var(--font-size-lg);font-weight:800;color:var(--text-accent);font-variant-numeric:tabular-nums}.progress-info{font-size:var(--font-size-sm);color:var(--text-secondary);font-variant-numeric:tabular-nums}.complete-section{margin-top:var(--space-lg);text-align:center;animation:scaleIn .4s cubic-bezier(.16,1,.3,1) forwards}.complete-icon{color:var(--text-accent);margin-bottom:var(--space-sm);animation:checkPop .5s cubic-bezier(.34,1.56,.64,1) forwards}@keyframes checkPop{0%{transform:scale(0);opacity:0}60%{transform:scale(1.2)}to{transform:scale(1);opacity:1}}.complete-text{font-size:var(--font-size-lg);font-weight:700;color:var(--text-accent);margin-bottom:var(--space-md)}.save-btn{padding:var(--space-md) var(--space-xl);border-radius:var(--radius-lg);background:var(--text-accent);color:var(--bg-primary);font-weight:700;font-size:var(--font-size-md);box-shadow:6px 6px 12px #0006,inset -2px -2px 4px #00000026,inset 2px 2px 4px #ffffffe6}.save-btn:hover{background:#e8e8e8;transform:translateY(-2px)}.history-section{animation:fadeIn .4s ease forwards}.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md)}.section-title{font-size:var(--font-size-xl);font-weight:800;letter-spacing:-.03em;color:var(--text-accent)}.history-list{display:flex;flex-direction:column;gap:var(--space-sm)}.history-item{display:flex;align-items:center;gap:var(--space-md);padding:var(--space-md);background:var(--bg-surface);border-radius:var(--radius-md);border:1px solid var(--border-subtle);box-shadow:var(--clay-shadow-sm);transition:all var(--transition-fast)}.history-item:hover{box-shadow:var(--clay-shadow);transform:translateY(-1px)}.history-thumb{width:80px;aspect-ratio:16/9;object-fit:cover;border-radius:var(--radius-sm);flex-shrink:0}.history-info{flex:1;min-width:0}.history-title{font-size:var(--font-size-sm);font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.history-meta{font-size:var(--font-size-xs);color:var(--text-muted);margin-top:2px}.toast-container{position:fixed;bottom:var(--space-lg);right:var(--space-lg);z-index:10000;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{background:var(--bg-elevated);border:1px solid var(--border-medium);border-radius:var(--radius-md);padding:var(--space-md) var(--space-lg);box-shadow:var(--clay-shadow);color:var(--text-primary);font-size:var(--font-size-sm);font-weight:500;max-width:380px;animation:toastIn .4s cubic-bezier(.16,1,.3,1) forwards;display:flex;align-items:center;gap:var(--space-sm)}.toast.toast-error{border-color:#ff50504d}.toast.toast-success{border-color:#fff3}.toast-exit{animation:toastOut .3s ease forwards}@keyframes toastIn{0%{opacity:0;transform:translate(100px) scale(.9)}to{opacity:1;transform:translate(0) scale(1)}}@keyframes toastOut{0%{opacity:1;transform:translate(0) scale(1)}to{opacity:0;transform:translate(100px) scale(.9)}}.footer{text-align:center;padding:var(--space-xl) var(--space-md);border-top:1px solid var(--border-subtle);margin-top:var(--space-2xl)}.footer p{font-size:var(--font-size-xs);color:var(--text-muted);letter-spacing:.02em}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}@media (max-width: 640px){.header-inner{padding:var(--space-sm)}.main{padding:var(--space-lg) var(--space-sm)}.input-card{padding:var(--space-md)}.input-wrapper{flex-wrap:wrap;padding:var(--space-xs)}.input-icon{display:none}.url-input{flex-basis:100%;padding:var(--space-sm) var(--space-sm);font-size:var(--font-size-sm)}.paste-btn{order:-1;margin-left:auto}.fetch-btn{width:100%;padding:var(--space-md)}.preview-header{flex-direction:column}.preview-thumbnail-wrap{width:100%}.format-grid{grid-template-columns:repeat(2,1fr)}.download-btn{width:100%}.toast-container{left:var(--space-sm);right:var(--space-sm);bottom:var(--space-sm)}.toast{max-width:100%}}.input-card.loading{pointer-events:none}.input-card.loading .url-input{opacity:.5}.input-icon.youtube,.input-icon.instagram,.input-icon.twitter,.input-icon.tiktok,.input-icon.reddit,.input-icon.facebook{color:#fff}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-track{background:var(--bg-primary)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:var(--radius-full);border:2px solid var(--bg-primary)}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}::selection{background:#fff3;color:var(--text-accent)}