:root{--bg: #f8fafc;--bg-1: #e0e7ff;--bg-2: #f3e8ff;--card: #ffffff;--border: #e7e9f2;--text: #0f172a;--muted: #64748b;--accent: #6366f1;--accent-2: #8b5cf6;--accent-ink: #4338ca;--ok: #15803d;--ok-bg: #dcfce7;--err: #b91c1c;--err-bg: #fee2e2;--shadow: 0 1px 2px rgba(15, 23, 42, .04), 0 10px 30px rgba(15, 23, 42, .06);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--text);line-height:1.5;min-height:100vh;background:radial-gradient(1100px 480px at 100% -8%,var(--bg-2),transparent 60%),radial-gradient(900px 460px at -10% 0%,var(--bg-1),transparent 55%),var(--bg)}.container{max-width:720px;margin:0 auto;padding:48px 20px 96px}.app-header{display:flex;align-items:center;gap:14px;margin-bottom:28px}.app-logo{width:48px;height:48px;border-radius:14px;flex:none;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 8px 20px #6366f159}.app-header h1{margin:0;font-size:1.5rem;letter-spacing:-.02em}.subtitle{margin:2px 0 0;color:var(--muted);font-size:.92rem}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:22px;box-shadow:var(--shadow)}.card+.card{margin-top:18px}.card-head{display:flex;align-items:center;gap:10px;margin-bottom:16px}.card-head h2{margin:0;font-size:1.08rem}.badge{background:#eef0ff;color:var(--accent-ink);font-size:.78rem;font-weight:700;padding:2px 10px;border-radius:999px}.dropzone{border:2px dashed #cdd2ea;border-radius:14px;padding:30px 18px;text-align:center;background:#fbfbff;cursor:pointer;transition:border-color .15s,background .15s,transform .05s}.dropzone:hover{border-color:var(--accent);background:#f5f5ff}.dropzone.dragging{border-color:var(--accent);background:#eceefe;transform:scale(1.01)}.dz-icon{color:var(--accent)}.dz-title{font-weight:600;margin-top:6px}.dz-sub{color:var(--muted);font-size:.85rem;margin-top:2px}.file-chip{display:flex;align-items:center;gap:12px;background:#f5f6fc;border:1px solid var(--border);border-radius:12px;padding:10px 12px;margin-top:14px}.fc-name{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.fc-size{color:var(--muted);font-size:.84rem}.fc-x{margin-left:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:11px;cursor:pointer;font-size:.95rem;font-weight:600;padding:11px 16px;color:#fff;background:linear-gradient(135deg,var(--accent),var(--accent-2));box-shadow:0 6px 16px #6366f14d;transition:box-shadow .15s,transform .05s,opacity .15s}.btn:hover:not(:disabled){box-shadow:0 8px 22px #6366f16b}.btn:active:not(:disabled){transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:default;box-shadow:none}.btn-block{width:100%;margin-top:16px}.icon-btn{display:inline-grid;place-items:center;width:36px;height:36px;border-radius:10px;flex:none;border:1px solid var(--border);background:#fff;color:var(--muted);cursor:pointer;text-decoration:none;transition:all .12s}.icon-btn:hover{color:var(--accent-ink);border-color:#c7cbe8;background:#f8f8ff}.icon-btn.danger:hover{color:var(--err);border-color:#f3c4c4;background:var(--err-bg)}.icon-btn:disabled{opacity:.5;cursor:default}.progress{height:10px;background:#ebedfb;border-radius:999px;margin-top:16px;overflow:hidden}.progress-bar{height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .15s ease}.progress-label{font-size:.82rem;color:var(--muted);margin-top:6px}.alert{border-radius:10px;padding:10px 12px;font-size:.9rem;margin-top:14px;font-weight:500}.alert.ok{background:var(--ok-bg);color:var(--ok)}.alert.err{background:var(--err-bg);color:var(--err)}.hint{color:var(--muted);font-size:.82rem;margin-top:14px}.muted{color:var(--muted)}.file-list{display:flex;flex-direction:column}.file-row{display:flex;align-items:center;gap:12px;padding:12px 10px;border-radius:10px;transition:background .12s}.file-row+.file-row{border-top:1px solid var(--border)}.file-row:hover{background:#f8fafc}.file-icon{width:40px;height:40px;border-radius:11px;flex:none;display:grid;place-items:center;background:#eef0ff;color:var(--accent-ink)}.file-meta{min-width:0;flex:1}.file-name{display:block;font-weight:600;color:var(--text);text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.file-name:hover{color:var(--accent-ink);text-decoration:underline}.file-sub{color:var(--muted);font-size:.82rem}.file-actions{display:flex;gap:8px;flex:none}.empty{text-align:center;padding:30px 8px;color:var(--muted)}.empty-icon{color:#cdd2ea}.empty-title{font-weight:600;color:var(--text);margin-top:8px}