*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-deep: #0a0a0f;--bg-primary: #1a1a2e;--bg-secondary: #1f1f3a;--bg-card: #16213e;--bg-elevated: #232345;--bg-hover: #2d2d55;--glass-bg: rgba(255, 255, 255, .08);--glass-border: rgba(255, 255, 255, .15);--glass-bg-hover: rgba(255, 255, 255, .12);--text-primary: #f0f0f5;--text-secondary: #9898b0;--text-muted: #6b6b85;--accent-primary: #7c3aed;--accent-secondary: #a855f7;--accent-pink: #ec4899;--accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6, #a855f7);--accent-gradient-warm: linear-gradient(135deg, #8b5cf6, #ec4899);--success: #10b981;--warning: #f59e0b;--error: #ef4444;--space-2xs: .125rem;--space-xs: .25rem;--space-sm: .5rem;--space-md: 1rem;--space-lg: 1.5rem;--space-xl: 2rem;--space-2xl: 3rem;--space-3xl: 4rem;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 24px;--radius-full: 9999px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 12px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px 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320px}html{font-size:15px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-primary);background-color:var(--bg-deep);color:var(--text-primary);line-height:1.5;overflow-x:hidden;min-height:100vh}.hidden{display:none!important}.gradient-text{background:var(--accent-gradient-warm);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.hero{position:relative;min-height:100vh;display:flex;align-items:center;justify-content:center;overflow:hidden}.hero-bg{position:absolute;inset:0;z-index:0}.hero-grid{position:absolute;inset:-50%;width:200%;height:200%;background-image:linear-gradient(rgba(124,58,237,.06) 1px,transparent 1px),linear-gradient(90deg,rgba(124,58,237,.06) 1px,transparent 1px);background-size:60px 60px;animation:gridDrift 20s linear infinite}@keyframes gridDrift{0%{transform:translate(0) rotate(0)}to{transform:translate(60px,60px) 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both}.hero-title-line{display:block}.hero-subtitle{font-size:1.35rem;color:var(--text-secondary);font-weight:300;margin-bottom:var(--space-sm);animation:fadeInUp .8s ease .3s both}.hero-desc{font-size:.95rem;color:var(--text-muted);max-width:480px;margin:0 auto var(--space-2xl);line-height:1.7;animation:fadeInUp .8s ease .45s both}@keyframes fadeInUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border:1px solid transparent;border-radius:var(--radius-md);font-family:var(--font-primary);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-base);white-space:nowrap;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.4;cursor:not-allowed}.btn-primary{background:var(--accent-gradient);color:#fff;border:none;box-shadow:0 4px 16px #7c3aed4d}.btn-primary:hover:not(:disabled){box-shadow:0 6px 24px #7c3aed73;transform:translateY(-2px)}@keyframes 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var(--topbar-height));overflow:hidden}.panel{height:100%;overflow-y:auto;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent}.panel::-webkit-scrollbar{width:6px}.panel::-webkit-scrollbar-thumb{background:var(--bg-hover);border-radius:3px}.panel-left,.panel-right{width:var(--panel-width);min-width:var(--panel-width);background:var(--bg-primary);border-right:1px solid var(--glass-border);padding:var(--space-md);transition:width .3s ease,min-width .3s ease,padding .3s ease,opacity .3s ease;height:100%;overflow-y:auto}.panel-right{border-right:none;border-left:1px solid 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var(--glass-border)}.badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:22px;padding:0 6px;border-radius:var(--radius-full);background:var(--accent-primary);color:#fff;font-size:.7rem;font-weight:700}.drop-zone{position:relative;border:2px dashed var(--glass-border);border-radius:var(--radius-lg);cursor:pointer;transition:all var(--transition-base);overflow:hidden}.drop-zone:hover,.drop-zone.drag-over{border-color:var(--accent-primary);background:#7c3aed14}.drop-zone.drag-over{border-style:solid;box-shadow:inset 0 0 40px #7c3aed33;transform:scale(1.02)}.drop-zone-content{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:var(--space-xl) var(--space-md);text-align:center;color:var(--text-muted)}.drop-zone-content p{font-size:.85rem;color:var(--text-secondary)}.drop-zone-hint{font-size:.75rem}.drop-zone-target{min-height:180px}.drop-zone-tiles{min-height:100px}.drop-zone-preview{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:var(--radius-lg)}.drop-zone-remove{position:absolute;top:8px;right:8px;width:28px;height:28px;border-radius:50%;background:#000000b3;color:#fff;border:1px solid rgba(255,255,255,.2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:all var(--transition-fast);z-index:5}.drop-zone-remove:hover{background:var(--error);border-color:var(--error)}.drop-zone-edit{position:absolute;top:8px;right:44px;width:28px;height:28px;border-radius:50%;background:#000000b3;color:#fff;border:1px solid rgba(255,255,255,.2);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.8rem;transition:all var(--transition-fast);z-index:5}.drop-zone-edit:hover{background:var(--accent-primary);border-color:var(--accent-primary)}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(56px,1fr));gap:4px;margin-top:var(--space-sm);max-height:240px;overflow-y:auto}.tile-source-buttons{display:flex;flex-wrap:wrap;gap:4px;margin-top:var(--space-sm)}.btn-source{flex:1 1 40%;min-width:0;padding:5px 8px;font-size:.72rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;gap:4px;justify-content:center}.btn-source.btn-folder{flex:1 1 100%;order:1}.btn-source svg{flex-shrink:0;width:14px;height:14px}.tile-thumb{position:relative;aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden;cursor:pointer;transition:transform var(--transition-fast)}.tile-thumb:hover{transform:scale(1.05)}.tile-thumb 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0;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.dup-keep-btn{position:absolute;bottom:0;left:0;right:0;background:#6366f1d9;color:#fff;font-size:.58rem;font-weight:600;text-align:center;padding:2px 0;border:none;cursor:pointer;opacity:0;transition:opacity var(--transition-fast);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.dup-tile:hover .dup-keep-btn{opacity:1}.tile-upload-progress{margin:var(--space-sm) 0;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--glass-border);border-radius:var(--radius-md);animation:fadeInUp .3s ease 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rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:btnSpinner .8s linear infinite}@keyframes btnSpinner{to{transform:rotate(360deg)}}.history-list{display:flex;flex-direction:column;gap:12px;max-height:400px;overflow-y:auto;padding-right:5px;scrollbar-width:thin;scrollbar-color:var(--bg-hover) transparent}.history-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:var(--radius-lg);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);transition:all var(--transition-base);cursor:pointer}.history-item:hover{background:var(--glass-bg-hover);border-color:#fff3;transform:translateY(-2px);box-shadow:0 4px 12px #0003,inset 0 0 0 1px #ffffff0d}.history-meta{display:flex;flex-direction:column;gap:6px}.history-title{font-weight:600;color:var(--text-primary);font-size:.95rem;font-family:var(--font-display)}.history-date{font-size:.75rem;color:var(--text-muted);letter-spacing:.2px}.empty-state,.error-state{text-align:center;padding:32px 24px;color:var(--text-muted);background:var(--glass-bg);border:1px dashed var(--glass-border);border-radius:var(--radius-lg);font-size:.9rem}.error-state{color:var(--error);border-color:rgba(2ef,68,68,.2);background:#ef44440d}cropper-grid::part(line){stroke:var(--primary);stroke-opacity:.8;stroke-width:1.5px;stroke-dasharray:5,5}cropper-crosshair::part(line){stroke:var(--primary);stroke-opacity:.9}