@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap";:root{color-scheme:dark;--font-sans: "Inter", ui-sans-serif, system-ui, -apple-system, sans-serif;--bg-base: #0b0f19;--bg-surface: #111827;--bg-elevated: #1a2035;--bg-glass: rgba(17, 24, 39, .65);--text-primary: #f1f5f9;--text-secondary: #94a3b8;--text-tertiary: #64748b;--accent: #818cf8;--accent-hover: #6366f1;--accent-dim: rgba(99, 102, 241, .12);--accent-glow: rgba(99, 102, 241, .25);--cyan: #22d3ee;--green: #34d399;--amber: #fbbf24;--red: #f87171;--border: rgba(148, 163, 184, .1);--border-accent: rgba(129, 140, 248, .18);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .3);--shadow-md: 0 8px 32px rgba(0, 0, 0, .4);--shadow-glow: 0 0 40px rgba(99, 102, 241, .12);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-full: 999px;--ease: cubic-bezier(.4, 0, .2, 1);--fast: .15s var(--ease);--normal: .25s var(--ease);--slow: .4s var(--ease)}:root[data-theme=light]{color-scheme:light;--bg-base: #f4f6fb;--bg-surface: #ffffff;--bg-elevated: #f1f5f9;--bg-glass: rgba(255, 255, 255, .7);--text-primary: #0f172a;--text-secondary: #475569;--text-tertiary: #94a3b8;--accent: #6366f1;--accent-hover: #4f46e5;--accent-dim: rgba(99, 102, 241, .08);--accent-glow: rgba(99, 102, 241, .15);--border: rgba(15, 23, 42, .08);--border-accent: rgba(99, 102, 241, .12);--shadow-sm: 0 2px 8px rgba(0, 0, 0, .05);--shadow-md: 0 8px 32px rgba(0, 0, 0, .07);--shadow-glow: 0 0 40px rgba(99, 102, 241, .08)}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;min-width:320px;font-family:var(--font-sans);color:var(--text-primary);background:var(--bg-base);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body:before{content:"";position:fixed;inset:0;z-index:-1;background:radial-gradient(ellipse at 15% 5%,rgba(99,102,241,.14),transparent 45%),radial-gradient(ellipse at 85% 15%,rgba(34,211,238,.1),transparent 40%),radial-gradient(ellipse at 50% 80%,rgba(99,102,241,.06),transparent 50%);pointer-events:none}:root[data-theme=light] body:before{background:radial-gradient(ellipse at 15% 5%,rgba(99,102,241,.1),transparent 45%),radial-gradient(ellipse at 85% 15%,rgba(34,211,238,.08),transparent 40%),radial-gradient(ellipse at 50% 80%,rgba(99,102,241,.04),transparent 50%)}button,input,select{font:inherit;color:inherit}button{cursor:pointer;border:none;background:none;padding:0}button:disabled,input:disabled{cursor:not-allowed;opacity:.45}@keyframes fade-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse-glow{0%,to{box-shadow:0 0 #6366f100}50%{box-shadow:0 0 20px 4px #6366f133}}@keyframes spin{to{transform:rotate(360deg)}}.app{width:min(1420px,calc(100vw - 32px));margin:0 auto;padding:24px 0 48px;animation:fade-in .5s var(--ease)}.header-bar{display:flex;align-items:center;justify-content:space-between;padding:0 0 20px}.logo{display:flex;align-items:center;gap:10px;color:var(--text-primary);font-weight:800;font-size:1.15rem;letter-spacing:-.02em}.logo svg{color:var(--accent)}.header-actions{display:flex;align-items:center;gap:6px}.header-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:var(--radius-sm);background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border);color:var(--text-secondary);font-size:.85rem;font-weight:600;transition:all var(--fast)}.header-btn:hover{color:var(--text-primary);border-color:var(--border-accent);background:var(--accent-dim)}.hero{padding:32px 0 40px;text-align:center;max-width:720px;margin:0 auto}.hero-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-full);background:var(--accent-dim);border:1px solid var(--border-accent);color:var(--accent);font-size:.78rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase;margin-bottom:20px}.hero h1{margin:0 0 18px;font-size:clamp(2.2rem,5.5vw,3.8rem);font-weight:900;line-height:1.05;letter-spacing:-.03em;background:linear-gradient(135deg,var(--text-primary) 0%,var(--accent) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero-subtitle{margin:0 auto 24px;max-width:600px;color:var(--text-secondary);font-size:1.05rem;line-height:1.6}.hero-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:8px}.pill{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--radius-full);background:var(--bg-surface);border:1px solid var(--border);color:var(--green);font-size:.82rem;font-weight:700}.workspace{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:20px;align-items:start;margin-top:8px}.panel{background:var(--bg-glass);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);overflow:hidden}.preview-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border-bottom:1px solid var(--border)}.preview-header h2{margin:0;font-size:1.1rem;font-weight:700}.preview-header p{margin:4px 0 0;color:var(--text-tertiary);font-size:.82rem}.compare-bar{display:grid;grid-template-columns:auto 1fr auto;gap:12px;align-items:center;padding:10px 20px;border-bottom:1px solid var(--border);background:var(--accent-dim);font-size:.82rem;font-weight:700;color:var(--text-secondary)}.compare-bar span:last-child{text-align:right}.compare-bar input[type=range]{width:100%;accent-color:var(--accent)}.upload-zone{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;min-height:420px;padding:40px 24px;border:2px dashed var(--border-accent);border-radius:var(--radius-md);margin:20px;background:var(--accent-dim);text-align:center;cursor:pointer;transition:all var(--normal)}.upload-zone:hover,.upload-zone.dragging{border-color:var(--accent);background:#6366f114;box-shadow:var(--shadow-glow);transform:scale(1.005)}.upload-zone input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer}.upload-zone svg{color:var(--accent);opacity:.7}.upload-zone strong{font-size:1.1rem;color:var(--text-primary)}.upload-zone span{color:var(--text-tertiary);font-size:.88rem}.comparator-frame{position:relative;width:100%;max-height:70vh;overflow:hidden;background:#0a0e17;cursor:ew-resize;touch-action:none;user-select:none}.image-layer{position:absolute;inset:0;width:100%;height:100%;object-fit:contain}.compare-layer{z-index:2}.divider{position:absolute;z-index:5;top:0;bottom:0;width:2px;background:#ffffffe6;box-shadow:0 0 12px #0006;pointer-events:none}.divider span{position:absolute;top:50%;left:50%;width:36px;height:36px;border:2px solid rgba(255,255,255,.9);border-radius:50%;background:var(--accent);box-shadow:0 4px 16px #00000059;transform:translate(-50%,-50%);display:grid;place-items:center}.divider span:before,.divider span:after{content:"";position:absolute;width:0;height:0;border-style:solid}.divider span:before{border-width:5px 6px 5px 0;border-color:transparent white transparent transparent;left:5px}.divider span:after{border-width:5px 0 5px 6px;border-color:transparent transparent transparent white;right:5px}.metrics-bar{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--border)}.metric{display:flex;flex-direction:column;gap:4px;padding:14px 16px;border-right:1px solid var(--border);background:var(--bg-glass)}.metric:last-child{border-right:0}.metric-label{display:flex;align-items:center;gap:5px;color:var(--text-tertiary);font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em}.metric-value{color:var(--text-primary);font-size:.95rem;font-weight:800}.note-line{display:flex;gap:10px;align-items:flex-start;padding:12px 16px;border-top:1px solid var(--border);background:#fbbf240f;color:var(--amber);font-size:.82rem;line-height:1.45}.note-line svg{flex:0 0 auto;margin-top:1px}.control-panel{position:sticky;top:20px;display:flex;flex-direction:column;gap:12px;padding:16px}.control-section{display:flex;flex-direction:column;gap:12px;padding:16px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface)}.section-header{display:flex;align-items:center;gap:10px}.section-icon{display:grid;width:32px;height:32px;place-items:center;border-radius:var(--radius-sm);background:var(--accent-dim);color:var(--accent);flex-shrink:0}.section-header h3{margin:0;font-size:.92rem;font-weight:700}.section-hint{margin:0;color:var(--text-tertiary);font-size:.82rem;line-height:1.45}.profile-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}.profile-btn{padding:10px 4px;border-right:1px solid var(--border);background:transparent;color:var(--text-tertiary);font-size:.82rem;font-weight:700;transition:all var(--fast)}.profile-btn:last-child{border-right:0}.profile-btn:hover{color:var(--text-secondary);background:var(--accent-dim)}.profile-btn.active{background:var(--accent-dim);color:var(--accent);box-shadow:inset 0 -2px 0 var(--accent)}.range-row{display:flex;justify-content:space-between;align-items:center;gap:12px}.range-row label{font-size:.88rem;font-weight:600}.range-row output{color:var(--accent);font-weight:800;font-size:.88rem}input[type=range]{width:100%;accent-color:var(--accent);height:6px}.seed-row{display:grid;grid-template-columns:1fr 40px;gap:8px}.input-field{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-primary);font-weight:600;font-size:.88rem;transition:border-color var(--fast);outline:none}.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.icon-btn{display:grid;width:44px;height:44px;place-items:center;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--accent);transition:all var(--fast)}.icon-btn:hover{border-color:var(--accent);background:var(--accent-dim)}.output-grid{display:grid;grid-template-columns:1fr .7fr;gap:10px}.field-group{display:flex;flex-direction:column;gap:5px}.field-label{color:var(--text-tertiary);font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.04em}.select-field{width:100%;min-height:44px;padding:8px 12px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text-primary);font-weight:600;font-size:.88rem;cursor:pointer;outline:none}.select-field:focus{border-color:var(--accent)}.toggle{display:flex;align-items:center;gap:10px;cursor:pointer;user-select:none}.toggle input{position:absolute;opacity:0;width:0;height:0}.toggle-track{position:relative;width:38px;height:20px;border-radius:10px;background:var(--bg-elevated);border:1px solid var(--border);flex-shrink:0;transition:all var(--normal)}.toggle input:checked+.toggle-track{background:linear-gradient(135deg,var(--accent),var(--accent-hover));border-color:var(--accent)}.toggle-track:after{content:"";position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:var(--text-primary);box-shadow:0 1px 3px #00000040;transition:transform var(--normal)}.toggle input:checked+.toggle-track:after{transform:translate(18px)}.toggle-label{font-size:.88rem;font-weight:600;color:var(--text-secondary);transition:color var(--fast)}.toggle:hover .toggle-label{color:var(--text-primary)}.action-row{display:grid;grid-template-columns:1fr auto;gap:8px}.btn-primary{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 18px;border-radius:var(--radius-md);background:linear-gradient(135deg,var(--accent),var(--accent-hover));color:#fff;font-weight:700;font-size:.88rem;border:none;transition:all var(--fast);box-shadow:0 4px 14px var(--accent-glow)}.btn-primary:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 6px 20px var(--accent-glow)}.btn-primary:active:not(:disabled){transform:translateY(0)}.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border-radius:var(--radius-md);border:1px solid var(--border);background:var(--bg-surface);color:var(--text-secondary);font-weight:700;font-size:.88rem;transition:all var(--fast)}.btn-ghost:hover:not(:disabled){border-color:var(--border-accent);color:var(--text-primary)}.batch-panel{display:flex;flex-direction:column;gap:10px;padding:16px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-surface)}.batch-header{display:flex;align-items:center;justify-content:space-between;gap:10px}.batch-header h3{margin:0;font-size:.88rem;font-weight:700;color:var(--accent)}.batch-list{display:flex;flex-direction:column;gap:4px;max-height:160px;overflow-y:auto}.batch-item{display:flex;align-items:center;gap:8px;padding:6px 10px;border-radius:var(--radius-sm);background:var(--bg-elevated);font-size:.82rem;font-weight:600}.batch-item.processing{border-left:3px solid var(--accent)}.batch-item.done{border-left:3px solid var(--green)}.batch-progress{height:4px;border-radius:2px;background:var(--bg-elevated);overflow:hidden}.batch-progress-fill{height:100%;border-radius:2px;background:linear-gradient(90deg,var(--accent),var(--cyan));transition:width var(--normal)}.donate-section{display:flex;align-items:center;gap:20px;margin-top:32px;padding:24px 28px;border-radius:var(--radius-lg);background:var(--bg-glass);backdrop-filter:blur(20px);border:1px solid var(--border);box-shadow:var(--shadow-sm)}.donate-icon{display:grid;width:48px;height:48px;place-items:center;border-radius:var(--radius-md);background:linear-gradient(135deg,#f43f5e26,#fb71851a);color:#fb7185;flex-shrink:0}.donate-content{flex:1;min-width:0}.donate-content h2{margin:0 0 4px;font-size:1rem;font-weight:700}.donate-content p{margin:0;color:var(--text-secondary);font-size:.88rem;line-height:1.5}.kofi-btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-md);background:linear-gradient(135deg,#ff5e5b,#ff4154);color:#fff;font-weight:700;font-size:.88rem;text-decoration:none;white-space:nowrap;transition:all var(--fast);box-shadow:0 4px 14px #ff415440}.kofi-btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px #ff415459}.footer{margin-top:32px;padding:24px 0;text-align:center}.privacy-badges{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-bottom:14px}.privacy-badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--radius-full);background:var(--accent-dim);border:1px solid var(--border-accent);color:var(--accent);font-size:.75rem;font-weight:700}.privacy-detail{max-width:560px;margin:12px auto 0;color:var(--text-tertiary);font-size:.82rem;line-height:1.5}.footer-credit{margin-top:14px;color:var(--text-tertiary);font-size:.78rem}.feature-band{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:20px}.feature-card{display:flex;align-items:center;gap:12px;padding:18px;border-radius:var(--radius-md);background:var(--bg-glass);backdrop-filter:blur(12px);border:1px solid var(--border)}.feature-card svg{color:var(--cyan);flex-shrink:0}.feature-card strong{font-size:.88rem;font-weight:700}.processing-badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-full);background:var(--accent-dim);border:1px solid var(--border-accent);color:var(--accent);font-size:.75rem;font-weight:700}.processing-badge svg{animation:spin 1s linear infinite}.preview-canvas-area{background:linear-gradient(45deg,var(--bg-elevated) 25%,transparent 25%),linear-gradient(-45deg,var(--bg-elevated) 25%,transparent 25%),linear-gradient(45deg,transparent 75%,var(--bg-elevated) 75%),linear-gradient(-45deg,transparent 75%,var(--bg-elevated) 75%),var(--bg-base);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px}@media(max-width:1020px){.workspace{grid-template-columns:1fr}.control-panel{position:static}.donate-section{flex-direction:column;text-align:center}}@media(max-width:720px){.app{width:min(100% - 16px,680px);padding:16px 0 40px}.hero{padding:20px 0 28px}.hero h1{font-size:clamp(1.8rem,9vw,2.8rem)}.hero-subtitle{font-size:.94rem}.feature-band{grid-template-columns:1fr;gap:8px}.upload-zone{min-height:300px;margin:12px;padding:24px 16px}.metrics-bar{grid-template-columns:1fr 1fr}.metric:nth-child(2){border-right:0}.metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--border)}}@media(max-width:500px){.hero-badges{flex-direction:column;align-items:center}.action-row,.output-grid{grid-template-columns:1fr}.profile-grid{grid-template-columns:repeat(2,1fr)}.metrics-bar{grid-template-columns:1fr}.metric{border-right:0;border-bottom:1px solid var(--border)}.metric:last-child{border-bottom:0}.compare-bar{grid-template-columns:1fr;gap:6px}.compare-bar span:last-child{text-align:left}.privacy-badges{flex-direction:column;align-items:center}}