:root{font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5;font-weight:400;color-scheme:light;--primary: #2563eb;--primary-hover: #1d4ed8;--bg-app: #f9fafb;--bg-surface: #ffffff;--text-main: #111827;--text-sub: #6b7280;--border: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05)}body{margin:0;padding:0;width:100vw;height:100vh;overflow:hidden;background:var(--bg-app);color:var(--text-main)}.hidden{display:none!important}.drop-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;padding:20px}.drop-card{background:var(--bg-surface);padding:40px;border-radius:16px;box-shadow:var(--shadow-lg);border:1px solid var(--border);text-align:center;max-width:400px;width:100%;display:flex;flex-direction:column;align-items:center}.drop-card img{width:80px;height:80px;margin-bottom:20px;border-radius:16px}.drop-card h1{font-size:1.5rem;font-weight:700;margin:0 0 8px;color:var(--text-main);letter-spacing:-.025em}.sub{color:var(--text-sub);margin:0 0 24px;font-size:.95rem}.drop-area-visual{border:2px dashed var(--border);border-radius:12px;padding:30px 20px;width:100%;box-sizing:border-box;background:#f9fafb;transition:border-color .2s}.drop-zone[data-dragging] .drop-area-visual{border-color:var(--primary);background:#eff6ff}button{background:var(--primary);color:#fff;padding:12px 30px;border:none;border-radius:8px;font-size:1rem;cursor:pointer;font-weight:600;box-shadow:var(--shadow-sm);transition:all .2s ease}button:hover{background:var(--primary-hover);transform:translateY(-1px)}button:active{transform:translateY(0)}.footer-link{margin-top:24px;font-size:.85rem;color:var(--text-sub);text-decoration:none;border-bottom:1px dotted transparent}.footer-link:hover{color:var(--text-main);border-bottom-color:var(--text-main)}dialog{padding:0;border-radius:16px;border:none;max-width:420px;width:90%;background:#fff;box-shadow:var(--shadow-lg)}dialog::backdrop{background:#0000004d;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.dialog-content{padding:24px}.dialog-content h2{margin-top:0;font-size:1.25rem}.dialog-footer{padding:16px 24px;background:#f9fafb;display:flex;justify-content:flex-end;border-top:1px solid var(--border)}.dialog-footer button{width:auto;padding:8px 16px}.loader-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#fffc;z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.spinner{width:40px;height:40px;border:3px solid #e5e7eb;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite;margin-bottom:16px}@keyframes spin{to{transform:rotate(360deg)}}body{padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}.toast{visibility:hidden;min-width:250px;background-color:#333;color:#fff;text-align:center;border-radius:8px;padding:16px;position:fixed;z-index:10000;left:50%;bottom:30px;transform:translate(-50%);font-size:16px;opacity:0;transition:opacity .3s,bottom .3s}.toast.show{visibility:visible;opacity:1;bottom:50px}.lang-switcher{background:transparent!important;color:var(--text-sub)!important;border:1px solid var(--border)!important;padding:6px 12px!important;box-shadow:none!important}.lang-switcher:hover{background:#0000000d!important}