@import "https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap";:root{--primary:#6366f1;--primary-hover:#4f46e5;--bg-gradient:linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);--surface:#ffffffd9;--surface-border:#ffffff80;--text-main:#1f2937;--text-muted:#6b7280;--error:#ef4444;--success:#10b981}@media (prefers-color-scheme:dark){:root{--bg-gradient:linear-gradient(135deg, #0f172a 0%, #1e293b 100%);--surface:#1e293bbf;--surface-border:#ffffff1a;--text-main:#f9fafb;--text-muted:#9ca3af}}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);color:var(--text-main);justify-content:center;align-items:center;min-height:100dvh;font-family:Inter,sans-serif;display:flex;overflow-y:auto}#root{width:100%;max-width:800px;padding:2rem}.glass-container{background:var(--surface);-webkit-backdrop-filter:blur(12px);border:1px solid var(--surface-border);border-radius:24px;padding:3rem;transition:transform .3s,box-shadow .3s;box-shadow:0 25px 50px -12px #00000026}.glass-container:hover{transform:translateY(-2px);box-shadow:0 30px 60px -12px #0003}.header{text-align:center;margin-bottom:2rem}.header h1{background:linear-gradient(90deg,#6366f1,#8b5cf6);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:.5rem;font-size:2.5rem;font-weight:700}.header p{color:var(--text-muted);font-size:1.1rem}.upload-zone{border:2px dashed var(--primary);text-align:center;cursor:pointer;background:#6366f10d;border-radius:16px;padding:4rem 2rem;transition:all .3s;position:relative;overflow:hidden}.upload-zone.drag-active{background:#6366f126;border-color:#8b5cf6;transform:scale(1.02)}.upload-icon{color:var(--primary);width:64px;height:64px;margin-bottom:1rem;transition:transform .3s}.upload-zone:hover .upload-icon{transform:translateY(-5px)}.upload-text{margin-bottom:.5rem;font-size:1.25rem;font-weight:500}.upload-hint{color:var(--text-muted);font-size:.9rem}.btn{background:linear-gradient(135deg, var(--primary) 0%, #8b5cf6 100%);color:#fff;cursor:pointer;border:none;border-radius:12px;justify-content:center;align-items:center;gap:.5rem;width:100%;margin-top:1.5rem;padding:1rem 2rem;font-size:1.1rem;font-weight:600;transition:all .2s;display:flex;box-shadow:0 10px 15px -3px #6366f14d}.btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 15px 20px -3px #6366f166}.btn:disabled{opacity:.7;cursor:not-allowed;transform:none}.error-msg{color:var(--error);text-align:center;background:#ef44441a;border-radius:8px;margin-top:1rem;padding:.75rem;font-weight:500}.file-info{background:#0000000d;border-radius:8px;justify-content:space-between;align-items:center;margin-top:2rem;padding:1rem;display:flex}.toggle-row{cursor:pointer;-webkit-user-select:none;user-select:none;background:#6366f10d;border:1px solid #6366f133;border-radius:12px;justify-content:space-between;align-items:center;margin-top:1.25rem;padding:.875rem 1.25rem;transition:background .2s,border-color .2s;display:flex}.toggle-row:hover{background:#6366f11a;border-color:#6366f166}.toggle-label{flex-direction:column;gap:2px;display:flex}.toggle-label span:first-child{color:var(--text-main);font-size:.95rem;font-weight:600}.toggle-hint{color:var(--text-muted);font-size:.78rem}.toggle-switch{background:#00000026;border-radius:999px;flex-shrink:0;width:46px;height:26px;padding:3px;transition:background .25s}.toggle-switch.active{background:var(--primary)}.toggle-thumb{background:#fff;border-radius:50%;width:20px;height:20px;transition:transform .25s;box-shadow:0 1px 4px #0003}.toggle-switch.active .toggle-thumb{transform:translate(20px)}.spinner{animation:1s linear infinite spin}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.pulse{animation:2s cubic-bezier(.4,0,.6,1) infinite pulse}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.history-container{border-top:1px solid var(--surface-border);margin-top:3rem;padding-top:2rem}.history-container h3{color:var(--text-main);margin-bottom:1rem;font-size:1.25rem}.history-list{flex-direction:column;gap:.75rem;max-height:300px;padding-right:.5rem;display:flex;overflow-y:auto}.history-list::-webkit-scrollbar{width:6px}.history-list::-webkit-scrollbar-track{background:#0000000d;border-radius:4px}.history-list::-webkit-scrollbar-thumb{background:var(--text-muted);border-radius:4px}.history-item{background:#00000008;border-radius:12px;justify-content:space-between;align-items:center;padding:1rem;transition:all .2s;display:flex}.dark .history-item{background:#ffffff0d}.history-item:hover{background:#6366f10d;transform:translate(2px)}.history-details{align-items:center;gap:1rem;display:flex}.history-icon{color:var(--primary)}.history-title{color:var(--text-main);font-size:.95rem;font-weight:500}.history-date{color:var(--text-muted);margin-top:.25rem;font-size:.8rem}.history-btn{color:var(--primary);cursor:pointer;background:#6366f11a;border:none;border-radius:8px;justify-content:center;align-items:center;width:36px;height:36px;transition:all .2s;display:flex}.history-btn:hover{background:var(--primary);color:#fff}