:root{--color-bg: #0f0f11;--color-surface: #1a1a1f;--color-surface-elevated: #252529;--color-border: rgba(255, 255, 255, .08);--color-border-hover: rgba(255, 255, 255, .15);--color-text: #ffffff;--color-text-muted: rgba(255, 255, 255, .6);--color-text-subtle: rgba(255, 255, 255, .4);--color-primary: #6366f1;--color-primary-hover: #818cf8;--color-primary-glow: rgba(99, 102, 241, .25);--color-success: #10b981;--color-success-glow: rgba(16, 185, 129, .2);--color-error: #ef4444;--color-error-glow: rgba(239, 68, 68, .2);--color-warning: #f59e0b;--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-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .2);--shadow-md: 0 4px 12px rgba(0, 0, 0, .25);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .3);--font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-mono: "SF Mono", "Fira Code", monospace;--ease-out: cubic-bezier(.16, 1, .3, 1);--duration-fast: .15s;--duration-normal: .25s}*,*: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-sans);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.5}#root{min-height:100vh}.app{min-height:100vh;padding:var(--space-xl);display:flex;justify-content:center}.image-uploader{width:100%;max-width:1000px;display:flex;flex-direction:column;gap:var(--space-lg)}.uploader-header{text-align:center;margin-bottom:var(--space-md)}.uploader-header h1{font-size:2rem;font-weight:700;letter-spacing:-.02em;background:linear-gradient(135deg,var(--color-text) 0%,var(--color-text-muted) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.uploader-header p{color:var(--color-text-muted);margin-top:var(--space-xs)}.dropzone{position:relative;background:var(--color-surface);border:2px dashed var(--color-border);border-radius:var(--radius-lg);padding:var(--space-2xl) var(--space-lg);cursor:pointer;transition:all var(--duration-normal) var(--ease-out);text-align:center}.dropzone:hover{border-color:var(--color-primary);background:var(--color-surface-elevated)}.dropzone--active{border-color:var(--color-primary);background:var(--color-primary-glow);box-shadow:0 0 0 4px var(--color-primary-glow)}.dropzone__input{position:absolute;inset:0;opacity:0;cursor:pointer}.dropzone__content{display:flex;flex-direction:column;align-items:center;gap:var(--space-sm);pointer-events:none}.dropzone__icon{color:var(--color-primary);opacity:.8}.dropzone__text{color:var(--color-text);font-size:1rem}.dropzone__text strong{color:var(--color-primary-hover)}.dropzone__hint{color:var(--color-text-subtle);font-size:.875rem}.action-bar{display:flex;flex-direction:column;background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--space-md);gap:var(--space-md)}.action-bar__row{display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap}.action-bar__stats{display:flex;gap:var(--space-md)}.stat{font-size:.875rem;font-weight:500;padding:var(--space-xs) var(--space-sm);border-radius:var(--radius-sm);background:var(--color-surface-elevated)}.stat--idle{color:var(--color-text-muted)}.stat--uploading{color:var(--color-primary-hover)}.stat--completed{color:var(--color-success)}.action-bar__buttons{display:flex;gap:var(--space-sm)}.action-bar__progress{width:100%;display:flex;flex-direction:column;gap:var(--space-xs)}.progress-bar{width:100%;height:6px;background:var(--color-surface-elevated);border-radius:var(--radius-full);overflow:hidden}.progress-bar__fill{height:100%;background:linear-gradient(90deg,var(--color-primary),var(--color-primary-hover));border-radius:var(--radius-full);transition:width .15s linear;box-shadow:0 0 8px var(--color-primary-glow)}.progress-bar__label{font-size:.75rem;color:var(--color-text-muted);font-variant-numeric:tabular-nums}.btn{display:inline-flex;align-items:center;gap:var(--space-xs);padding:var(--space-sm) var(--space-md);font-size:.875rem;font-weight:600;font-family:inherit;border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.btn--primary{background:var(--color-primary);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-hover);box-shadow:0 0 0 3px var(--color-primary-glow)}.btn--primary:disabled{opacity:.7;cursor:not-allowed}.btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid rgba(255,255,255,.3);border-top-color:#fff;border-radius:50%;animation:btn-spin .6s linear infinite}@keyframes btn-spin{to{transform:rotate(360deg)}}.btn--secondary{background:var(--color-surface-elevated);color:var(--color-text);border:1px solid var(--color-border)}.btn--secondary:hover{border-color:var(--color-border-hover);background:var(--color-surface)}.btn--danger{background:var(--color-error);color:#fff}.btn--danger:hover{box-shadow:0 0 0 3px var(--color-error-glow)}.image-card{position:relative;border-radius:var(--radius-md);overflow:hidden;background:var(--color-surface);box-shadow:var(--shadow-sm);transition:transform var(--duration-fast) var(--ease-out),box-shadow var(--duration-fast) var(--ease-out);contain:layout style paint;will-change:transform}.image-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}.image-card__img{width:100%;height:auto;max-height:300px;object-fit:cover;display:block}.image-card__fallback{width:100%;min-height:120px;display:flex;align-items:center;justify-content:center;padding:var(--space-md);background:var(--color-surface)}.image-card__fallback-name{color:var(--color-text-secondary);font-size:.85rem;word-break:break-all;text-align:center}.image-card__overlay{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:var(--space-xs)}.image-card__overlay--uploading{background:#000000a6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.image-card__overlay--success{background:#10b98126;animation:fadeIn var(--duration-normal) var(--ease-out)}.image-card__overlay--error{background:#000000bf;border:2px solid var(--color-error);border-radius:var(--radius-md)}.progress-ring{transform:rotate(-90deg)}.progress-ring__bg{stroke:#ffffff26}.progress-ring__progress{stroke:var(--color-primary);transition:stroke-dashoffset var(--duration-fast) linear}.progress-text{position:absolute;font-size:.75rem;font-weight:600;color:#fff}.checkmark{color:var(--color-success);animation:scaleIn .3s var(--ease-out)}.checkmark path{stroke-dasharray:30;stroke-dashoffset:30;animation:drawCheck .4s .1s var(--ease-out) forwards}@keyframes drawCheck{to{stroke-dashoffset:0}}@keyframes scaleIn{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.retry-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;background:var(--color-surface-elevated);border:1px solid var(--color-border);border-radius:var(--radius-full);color:var(--color-text);cursor:pointer;transition:all var(--duration-fast) var(--ease-out)}.retry-btn:hover{background:var(--color-primary);border-color:var(--color-primary)}.error-text{font-size:.75rem;color:var(--color-error);font-weight:500}.image-card__remove{position:absolute;top:var(--space-sm);right:var(--space-sm);width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border:none;border-radius:var(--radius-full);color:#fff;cursor:pointer;opacity:0;transition:opacity var(--duration-fast) var(--ease-out);background:var(--duration-fast) var(--ease-out)}.image-card:hover .image-card__remove{opacity:1}.image-card__remove:hover{background:var(--color-error)}.image-card__filename{position:absolute;bottom:0;left:0;right:0;padding:var(--space-lg) var(--space-sm) var(--space-sm);background:linear-gradient(to top,#000000bf,#0000);opacity:0;transform:translateY(4px);transition:opacity var(--duration-fast) var(--ease-out),transform var(--duration-fast) var(--ease-out);pointer-events:none}.image-card:hover .image-card__filename{opacity:1;transform:translateY(0)}.image-card__filename span{display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.75rem;font-weight:500;color:#fff;word-break:break-all;line-height:1.4}.image-card.error{box-shadow:0 0 0 2px var(--color-error)}.image-card.success,.image-card.completed{box-shadow:0 0 0 2px var(--color-success)}@media(max-width:640px){.app{padding:var(--space-md)}.action-bar__row{flex-direction:column;align-items:stretch}.action-bar__stats,.action-bar__buttons{justify-content:center}}.toast-container{position:fixed;top:var(--space-lg);right:var(--space-lg);z-index:9999;display:flex;flex-direction:column;gap:var(--space-sm);pointer-events:none}.toast{display:flex;align-items:center;gap:var(--space-sm);min-width:280px;max-width:420px;padding:var(--space-sm) var(--space-md);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);color:var(--color-text);font-size:.875rem;pointer-events:auto;position:relative;overflow:hidden;animation:toast-slide-in var(--duration-normal) var(--ease-out) forwards}.toast--exit{animation:toast-slide-out .3s var(--ease-out) forwards}.toast--success{border-color:#10b9814d}.toast--success .toast__icon{color:var(--color-success)}.toast--error{border-color:#ef44444d}.toast--error .toast__icon{color:var(--color-error)}.toast__icon{flex-shrink:0;display:flex;align-items:center}.toast__message{flex:1;line-height:1.4}.toast__close{flex-shrink:0;display:flex;align-items:center;justify-content:center;width:24px;height:24px;background:none;border:none;border-radius:var(--radius-sm);color:var(--color-text-muted);cursor:pointer;transition:color var(--duration-fast) var(--ease-out),background var(--duration-fast) var(--ease-out)}.toast__close:hover{color:var(--color-text);background:var(--color-surface-elevated)}.toast__progress{position:absolute;bottom:0;left:0;height:2px;width:100%;transform-origin:left;animation:toast-progress var(--toast-duration) linear forwards}.toast--success .toast__progress{background:var(--color-success)}.toast--error .toast__progress{background:var(--color-error)}@keyframes toast-slide-in{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes toast-slide-out{0%{opacity:1;transform:translate(0)}to{opacity:0;transform:translate(100%)}}@keyframes toast-progress{0%{transform:scaleX(1)}to{transform:scaleX(0)}}@media(max-width:640px){.toast-container{left:var(--space-md);right:var(--space-md);top:var(--space-md)}.toast{min-width:unset;max-width:unset}}