:root{--bg-primary: #0a0a0f;--bg-secondary: #12121a;--bg-tertiary: #1a1a28;--bg-card: #16162266;--bg-card-hover: #1e1e30;--bg-elevated: #1e1e30;--bg-modal: #14141ffa;--border-subtle: #ffffff0d;--border-default: #ffffff15;--border-hover: #ffffff25;--border-active: #6c63ff40;--text-primary: #f0f0f5;--text-secondary: #a0a0b8;--text-tertiary: #6c6c82;--text-muted: #4a4a60;--accent-primary: #6c63ff;--accent-primary-hover: #7d75ff;--accent-primary-subtle: #6c63ff18;--accent-secondary: #00d4aa;--accent-secondary-hover: #00e8be;--accent-secondary-subtle: #00d4aa15;--accent-success: #22c55e;--accent-success-hover: #34d570;--accent-success-subtle: #22c55e15;--accent-warning: #f59e0b;--accent-warning-subtle: #f59e0b15;--accent-danger: #ef4444;--accent-danger-hover: #f55555;--accent-danger-subtle: #ef444415;--gradient-primary: linear-gradient(135deg, #6c63ff 0%, #4f46e5 100%);--gradient-success: linear-gradient(135deg, #22c55e 0%, #16a34a 100%);--gradient-card: linear-gradient(180deg, #ffffff08 0%, transparent 100%);--gradient-glow: radial-gradient(600px circle at var(--mx, 50%) var(--my, 50%), #6c63ff10 0%, transparent 60%);--shadow-sm: 0 1px 3px rgba(0,0,0,.3);--shadow-md: 0 4px 12px rgba(0,0,0,.4);--shadow-lg: 0 12px 40px rgba(0,0,0,.5);--shadow-glow: 0 0 30px #6c63ff20;--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 32px;--space-2xl: 48px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 16px;--radius-xl: 20px;--radius-full: 999px;--font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-mono: "SF Mono", "Fira Code", monospace;--transition-fast: .15s ease;--transition-normal: .25s ease;--transition-slow: .4s cubic-bezier(.4, 0, .2, 1)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{font-family:var(--font-family);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;background:radial-gradient(ellipse 80% 50% at 50% -20%,#6c63ff08 0%,transparent 60%),radial-gradient(ellipse 60% 40% at 80% 100%,#00d4aa06 0%,transparent 50%);pointer-events:none;z-index:0}.app-header{position:sticky;top:0;z-index:100;background:#0a0a0fcc;backdrop-filter:blur(20px) saturate(180%);-webkit-backdrop-filter:blur(20px) saturate(180%);border-bottom:1px solid var(--border-subtle)}.header-content{max-width:1280px;margin:0 auto;padding:var(--space-md) var(--space-lg);display:flex;align-items:center;justify-content:space-between}.header-left{display:flex;align-items:center;gap:var(--space-md)}.logo-icon{width:44px;height:44px;display:flex;align-items:center;justify-content:center;background:var(--gradient-primary);border-radius:var(--radius-md);color:#fff;box-shadow:var(--shadow-glow)}.app-title{font-size:1.25rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,#f0f0f5,#a0a0b8);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.app-subtitle{font-size:.75rem;color:var(--text-tertiary);font-weight:400}.version-badge{font-size:.7rem;font-weight:600;padding:3px 10px;background:var(--accent-primary-subtle);color:var(--accent-primary);border-radius:var(--radius-full);border:1px solid var(--accent-primary);letter-spacing:.05em}.app-main{max-width:1280px;margin:0 auto;padding:var(--space-xl) var(--space-lg);position:relative;z-index:1}.upload-section{margin-bottom:var(--space-xl)}.upload-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.upload-card{animation:fadeInUp .5s ease both}.upload-card:nth-child(2){animation-delay:.1s}.upload-zone{position:relative;border:2px dashed var(--border-default);border-radius:var(--radius-lg);padding:var(--space-2xl) var(--space-lg);text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-card);overflow:hidden;min-height:200px;display:flex;align-items:center;justify-content:center}.upload-zone:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:var(--gradient-glow);opacity:0;transition:opacity var(--transition-normal);pointer-events:none}.upload-zone:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.upload-zone:hover:before{opacity:1}.upload-zone.drag-over{border-color:var(--accent-primary);background:var(--accent-primary-subtle);transform:scale(1.01)}.upload-zone.has-content{padding:var(--space-md);border-style:solid;border-color:var(--border-default);cursor:default}.upload-zone-content{position:relative;z-index:1}.upload-icon{width:72px;height:72px;margin:0 auto var(--space-md);display:flex;align-items:center;justify-content:center;border-radius:var(--radius-lg);transition:transform var(--transition-normal)}.upload-zone:hover .upload-icon{transform:translateY(-2px)}.frame-icon{background:var(--accent-primary-subtle);color:var(--accent-primary)}.photos-icon{background:var(--accent-secondary-subtle);color:var(--accent-secondary)}.upload-title{font-size:1.1rem;font-weight:600;margin-bottom:var(--space-xs);color:var(--text-primary)}.upload-hint{font-size:.85rem;color:var(--text-secondary);margin-bottom:var(--space-xs)}.upload-link{color:var(--accent-primary);text-decoration:underline;text-underline-offset:2px}.upload-format{font-size:.75rem;color:var(--text-tertiary)}.frame-preview-container{position:relative;width:100%;text-align:center}.frame-preview-img{max-width:100%;max-height:180px;border-radius:var(--radius-sm);background:repeating-conic-gradient(#ffffff10 0% 25%,transparent 0% 50%) 0 0 / 16px 16px}.btn-remove-frame{position:absolute;top:var(--space-xs);right:var(--space-xs);width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--accent-danger);color:#fff;border:none;border-radius:var(--radius-full);cursor:pointer;transition:all var(--transition-fast);opacity:.8}.btn-remove-frame:hover{opacity:1;transform:scale(1.1)}.photos-count{display:flex;align-items:center;justify-content:space-between;padding:var(--space-sm) var(--space-md);margin-top:var(--space-sm);background:var(--bg-tertiary);border-radius:var(--radius-sm);font-size:.8rem;color:var(--text-secondary)}.btn-clear-photos{background:none;border:none;color:var(--accent-danger);cursor:pointer;font-size:.8rem;font-weight:500;font-family:var(--font-family);transition:color var(--transition-fast)}.btn-clear-photos:hover{color:var(--accent-danger-hover)}.settings-section{margin-bottom:var(--space-xl);animation:fadeInUp .5s ease both}.settings-card{background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-lg)}.section-title{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-lg);color:var(--text-primary)}.section-title svg{color:var(--accent-primary)}.settings-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-lg);align-items:start}.setting-group{display:flex;flex-direction:column;gap:var(--space-sm)}.setting-label{font-size:.8rem;font-weight:500;color:var(--text-secondary);display:flex;align-items:center;justify-content:space-between}.setting-value{font-weight:600;color:var(--accent-primary);font-family:var(--font-mono);font-size:.75rem}.position-selector{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xs)}.position-btn{display:flex;flex-direction:column;align-items:center;gap:4px;padding:var(--space-sm);background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;font-family:var(--font-family);font-size:.65rem;font-weight:500;transition:all var(--transition-fast)}.position-btn:hover{background:var(--bg-elevated);border-color:var(--border-hover);color:var(--text-secondary)}.position-btn.active{background:var(--accent-primary-subtle);border-color:var(--accent-primary);color:var(--accent-primary)}.pos-preview{width:32px;height:24px;border:1px solid currentColor;border-radius:2px;position:relative;opacity:.6}.position-btn.active .pos-preview{opacity:1}.pos-dot{position:absolute;width:6px;height:6px;background:currentColor;border-radius:1px}.slider{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;height:6px;border-radius:var(--radius-full);background:var(--bg-tertiary);outline:none;transition:background var(--transition-fast)}.slider::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:18px;height:18px;border-radius:50%;background:var(--accent-primary);cursor:pointer;box-shadow:0 0 8px #6c63ff40;transition:transform var(--transition-fast),box-shadow var(--transition-fast)}.slider::-webkit-slider-thumb:hover{transform:scale(1.2);box-shadow:0 0 14px #6c63ff60}.slider::-moz-range-thumb{width:18px;height:18px;border-radius:50%;background:var(--accent-primary);cursor:pointer;border:none}.slider-labels{display:flex;justify-content:space-between;font-size:.65rem;color:var(--text-muted)}.format-selector{display:flex;gap:var(--space-xs)}.format-btn{flex:1;padding:var(--space-sm) var(--space-md);background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;font-family:var(--font-family);font-size:.8rem;font-weight:600;transition:all var(--transition-fast)}.format-btn:hover{background:var(--bg-elevated);color:var(--text-secondary)}.format-btn.active{background:var(--accent-primary-subtle);border-color:var(--accent-primary);color:var(--accent-primary)}.setting-actions{display:flex;flex-direction:row;gap:var(--space-sm);align-items:end;grid-column:1 / -1;justify-content:flex-end;padding-top:var(--space-md);border-top:1px solid var(--border-subtle)}.btn{display:inline-flex;align-items:center;gap:var(--space-sm);padding:10px 20px;border:none;border-radius:var(--radius-md);font-family:var(--font-family);font-size:.85rem;font-weight:600;cursor:pointer;transition:all var(--transition-fast);white-space:nowrap}.btn:active{transform:scale(.97)}.btn-primary{background:var(--gradient-primary);color:#fff;box-shadow:var(--shadow-sm),0 0 20px #6c63ff20}.btn-primary:hover{box-shadow:var(--shadow-md),0 0 30px #6c63ff30;filter:brightness(1.1)}.btn-success{background:var(--gradient-success);color:#fff;box-shadow:var(--shadow-sm)}.btn-success:hover{box-shadow:var(--shadow-md),0 0 20px #22c55e20;filter:brightness(1.1)}.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border-default)}.btn-ghost:hover{background:var(--bg-tertiary);border-color:var(--border-hover);color:var(--text-primary)}.btn-danger{background:var(--accent-danger-subtle);color:var(--accent-danger);border:1px solid var(--accent-danger)}.btn-danger:hover{background:var(--accent-danger);color:#fff}.btn-sm{padding:6px 12px;font-size:.75rem;border-radius:var(--radius-sm)}.btn-icon{width:32px;height:32px;padding:0;display:flex;align-items:center;justify-content:center;border-radius:var(--radius-sm)}.images-section{animation:fadeInUp .5s ease both}.images-header{margin-bottom:var(--space-md)}.images-list{display:flex;flex-direction:column;gap:var(--space-md)}.image-item{display:grid;grid-template-columns:140px 1fr auto;gap:var(--space-lg);align-items:center;background:var(--bg-card);border:1px solid var(--border-subtle);border-radius:var(--radius-lg);padding:var(--space-md);transition:all var(--transition-normal);animation:fadeInUp .3s ease both}.image-item:hover{border-color:var(--border-hover);background:var(--bg-card-hover)}.image-thumb-wrapper{position:relative;width:140px;height:100px;border-radius:var(--radius-md);overflow:hidden;background:var(--bg-tertiary);flex-shrink:0}.image-thumb{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-normal)}.image-item:hover .image-thumb{transform:scale(1.05)}.crop-badge{position:absolute;top:4px;left:4px;padding:2px 6px;background:var(--accent-warning);color:#000;font-size:.6rem;font-weight:700;border-radius:var(--radius-sm);display:none}.crop-badge.visible{display:block}.image-info{display:flex;flex-direction:column;gap:var(--space-sm);min-width:0}.image-name{font-size:.9rem;font-weight:600;color:var(--text-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.image-meta{font-size:.75rem;color:var(--text-tertiary);display:flex;gap:var(--space-md);flex-wrap:wrap}.image-meta span{display:flex;align-items:center;gap:4px}.image-settings{display:flex;flex-wrap:wrap;gap:var(--space-md);align-items:center}.image-setting-item{display:flex;flex-direction:column;gap:2px}.image-setting-item label{font-size:.65rem;color:var(--text-muted);font-weight:500;display:flex;align-items:center;justify-content:space-between;gap:var(--space-xs)}.image-setting-item .slider{width:120px;height:4px}.image-setting-item .slider::-webkit-slider-thumb{width:14px;height:14px}.image-position-selector{display:flex;gap:2px}.image-position-btn{width:28px;height:22px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-subtle);border-radius:3px;cursor:pointer;transition:all var(--transition-fast);position:relative}.image-position-btn:hover{background:var(--bg-elevated)}.image-position-btn.active{background:var(--accent-primary-subtle);border-color:var(--accent-primary)}.image-position-btn .mini-dot{width:4px;height:4px;background:var(--text-tertiary);border-radius:1px;position:absolute}.image-position-btn.active .mini-dot{background:var(--accent-primary)}.image-actions{display:flex;flex-direction:column;gap:var(--space-xs);flex-shrink:0}.image-actions .btn{width:100%;justify-content:center}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#000c;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease;padding:var(--space-lg)}.modal{background:var(--bg-modal);border:1px solid var(--border-subtle);border-radius:var(--radius-xl);width:100%;max-height:90vh;display:flex;flex-direction:column;box-shadow:var(--shadow-lg);animation:slideUp .3s cubic-bezier(.4,0,.2,1)}.crop-modal{max-width:900px}.preview-modal{max-width:1000px}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--space-lg);border-bottom:1px solid var(--border-subtle)}.modal-header h3{font-size:1rem;font-weight:600;display:flex;align-items:center;gap:var(--space-sm)}.modal-header h3 svg{color:var(--accent-primary)}.modal-close{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:transparent;border:1px solid var(--border-subtle);border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:all var(--transition-fast)}.modal-close:hover{background:var(--accent-danger-subtle);border-color:var(--accent-danger);color:var(--accent-danger)}.modal-body{padding:var(--space-lg);overflow-y:auto;flex:1}.modal-footer{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md) var(--space-lg);border-top:1px solid var(--border-subtle)}.modal-footer-right{display:flex;gap:var(--space-sm)}.crop-container{position:relative;display:flex;align-items:center;justify-content:center;background:#000;border-radius:var(--radius-md);overflow:hidden;max-height:60vh}#crop-canvas{max-width:100%;max-height:60vh;display:block}.crop-selection{position:absolute;border:2px solid var(--accent-primary);background:#6c63ff14;box-shadow:0 0 0 9999px #0000008c;cursor:move;display:none}.crop-selection.active{display:block}.crop-handle{position:absolute;width:10px;height:10px;background:var(--accent-primary);border:2px solid white;border-radius:2px}.crop-handle.nw{top:-5px;left:-5px;cursor:nw-resize}.crop-handle.ne{top:-5px;right:-5px;cursor:ne-resize}.crop-handle.sw{bottom:-5px;left:-5px;cursor:sw-resize}.crop-handle.se{bottom:-5px;right:-5px;cursor:se-resize}.crop-handle.n{top:-5px;left:50%;transform:translate(-50%);cursor:n-resize}.crop-handle.s{bottom:-5px;left:50%;transform:translate(-50%);cursor:s-resize}.crop-handle.w{top:50%;left:-5px;transform:translateY(-50%);cursor:w-resize}.crop-handle.e{top:50%;right:-5px;transform:translateY(-50%);cursor:e-resize}.preview-container{display:flex;align-items:center;justify-content:center;background:repeating-conic-gradient(#ffffff08 0% 25%,transparent 0% 50%) 0 0 / 20px 20px;border-radius:var(--radius-md);padding:var(--space-sm);overflow:hidden}#preview-canvas{max-width:100%;max-height:60vh;display:block;border-radius:var(--radius-sm)}.preview-info{margin-top:var(--space-md);font-size:.75rem;color:var(--text-tertiary);text-align:center}.loading-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:2000;background:#000000d9;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);display:flex;align-items:center;justify-content:center}.loading-spinner{text-align:center}.spinner{width:48px;height:48px;border:3px solid var(--border-default);border-top-color:var(--accent-primary);border-radius:50%;margin:0 auto var(--space-lg);animation:spin .8s linear infinite}.progress-bar{width:260px;height:6px;background:var(--bg-tertiary);border-radius:var(--radius-full);margin:var(--space-md) auto 0;overflow:hidden}.progress-fill{width:0%;height:100%;background:var(--gradient-primary);border-radius:var(--radius-full);transition:width .3s ease}.progress-text{font-size:.8rem;color:var(--text-tertiary);margin-top:var(--space-sm)}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes fadeInUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(24px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:var(--space-lg);right:var(--space-lg);z-index:3000;display:flex;flex-direction:column;gap:var(--space-sm)}.toast{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);background:var(--bg-elevated);border:1px solid var(--border-subtle);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);font-size:.85rem;color:var(--text-primary);animation:slideInRight .3s ease,fadeOut .3s ease 3s forwards;min-width:250px}.toast.success{border-left:3px solid var(--accent-success)}.toast.error{border-left:3px solid var(--accent-danger)}.toast.info{border-left:3px solid var(--accent-primary)}@keyframes slideInRight{0%{opacity:0;transform:translate(100px)}to{opacity:1;transform:translate(0)}}@keyframes fadeOut{to{opacity:0;transform:translateY(-10px)}}@media (max-width: 768px){.upload-grid{grid-template-columns:1fr}.image-item{grid-template-columns:100px 1fr;grid-template-rows:auto auto}.image-actions{grid-column:1 / -1;flex-direction:row;justify-content:flex-end}.settings-grid{grid-template-columns:1fr}.setting-actions{flex-direction:column}.setting-actions .btn{width:100%;justify-content:center}.header-content{padding:var(--space-sm) var(--space-md)}.app-main{padding:var(--space-md)}.image-setting-item .slider{width:90px}}@media (max-width: 480px){.image-item{grid-template-columns:1fr;text-align:center}.image-thumb-wrapper{width:100%;height:150px}.image-actions{flex-direction:column}.image-settings{justify-content:center}}