:root{--bg:#f5f6f8;--panel:#fff;--border:#e3e6ea;--text:#1d2230;--muted:#7a8190;--accent:#2d6cdf;--danger:#d9534f}*{box-sizing:border-box}html,body,#root{margin:0;height:100%}body{background:var(--bg);color:var(--text);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}.center{min-height:100vh;display:flex;align-items:center;justify-content:center}.admin-shell{display:flex;min-height:100vh}.sidebar{width:220px;background:var(--panel);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:16px;gap:8px}.sidebar .brand{font-weight:700;margin-bottom:12px}.sidebar nav{display:flex;flex-direction:column;gap:4px;flex:1}.sidebar nav a{padding:10px 12px;border-radius:8px;text-decoration:none;color:var(--text)}.sidebar nav a.active{background:var(--accent);color:#fff}.logout{margin-top:auto}.content{flex:1;padding:24px;max-width:900px}.card{background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:24px}.login-card{width:320px;display:flex;flex-direction:column;gap:12px}label{display:flex;flex-direction:column;gap:4px;font-size:13px;color:var(--muted)}input{height:40px;padding:0 10px;border:1px solid var(--border);border-radius:8px;font-size:15px}button{height:40px;padding:0 16px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.5;cursor:not-allowed}button.danger{background:var(--danger)}.error{color:var(--danger);font-size:13px}.muted{color:var(--muted)}.toolbar,.page-head{display:flex;gap:12px;align-items:flex-end;margin-bottom:16px}.page-head{justify-content:space-between;align-items:center}.sortable-row{display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--border);border-radius:10px;padding:8px 12px;margin-bottom:8px}.drag-handle{cursor:grab;color:var(--muted);-webkit-user-select:none;user-select:none;font-size:18px}.sortable-content{flex:1}.banner-row,.game-row{display:flex;align-items:center;gap:12px}.banner-thumb{width:96px;aspect-ratio:16/9;object-fit:cover;border-radius:6px;background:#ddd}.game-thumb{width:64px;aspect-ratio:1/1;object-fit:cover;border-radius:8px;background:#ddd}.banner-link{flex:1;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.banner-link-input{flex:1;height:36px;padding:0 10px;border:1px solid transparent;background:transparent;border-radius:8px;font-size:14px;color:var(--text)}.banner-link-input::placeholder{color:var(--muted)}.banner-link-input:hover{border-color:var(--border);background:#fafbfc}.banner-link-input:focus{border-color:var(--accent);background:#fff;outline:none}.game-name-input{height:32px;padding:2px 6px;margin-inline-start:-6px;border:1px solid transparent;background:transparent;border-radius:6px;font-size:15px;font-weight:600;color:var(--text)}.game-name-input:hover{border-color:var(--border);background:#fafbfc}.game-name-input:focus{border-color:var(--accent);background:#fff;outline:none}.pwd-row{display:flex;gap:6px;align-items:center}.pwd-row input{height:32px;padding:0 8px;font-size:13px;min-width:140px}.pwd-row button{height:32px;padding:0 12px;font-size:13px}.switch{flex-direction:row;align-items:center;gap:6px}.game-meta{flex:1;display:flex;flex-direction:column;gap:2px;min-width:0}.game-name{font-weight:600}.game-controls{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}.btn-file{display:inline-flex;flex-direction:row;align-items:center;gap:8px;height:40px;padding:0 14px;background:var(--panel);color:var(--text);border:1px solid var(--border);border-radius:8px;font-size:14px;font-weight:600;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;transition:border-color .15s,color .15s,background .15s}.btn-file svg{color:var(--muted);transition:color .15s}.btn-file:hover{border-color:var(--accent);color:var(--accent);background:#f3f7ff}.btn-file:hover svg{color:var(--accent)}.btn-file input{display:none}.file-name{font-size:13px;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:240px}.link-danger{background:transparent;border:none;color:var(--danger);font-size:13px;padding:4px;cursor:pointer}.table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:12px;overflow:hidden}.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--border)}.loader{display:flex;flex-direction:column;align-items:center;gap:12px;padding:48px 0}.spinner{width:36px;height:36px;border-radius:50%;border:3px solid var(--border);border-top-color:var(--accent);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}