.room-item {
            position: relative;
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto;
            align-items: center;
            gap: 12px 14px;
            padding: 16px;
            border: 1px solid rgba(148,163,184,.18);
            cursor: pointer;
            border-radius: 18px;
            overflow: hidden;
            background: linear-gradient(180deg, rgba(255,255,255,.96), rgba(248,250,252,.92));
            box-shadow: 0 14px 28px rgba(15,23,42,.06);
            transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease, background-color 0.18s ease;
        }
        .room-item::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: radial-gradient(circle at top right, rgba(var(--accent-rgb), .10), transparent 34%);
            opacity: .88;
        }
        .room-item > * {
            position: relative;
            z-index: 1;
        }
        .room-item:hover {
            background: linear-gradient(180deg, rgba(255,255,255,.98), rgba(var(--accent-rgb), .08));
            transform: translateY(-2px);
            border-color: var(--accent-outline);
            box-shadow: 0 18px 34px rgba(var(--accent-rgb), .14);
        }
        body.dark .room-item {
            background: linear-gradient(180deg, rgba(30,41,59,.92), rgba(15,23,42,.96));
            border-color: rgba(71,85,105,.38);
            box-shadow: 0 16px 30px rgba(0,0,0,.22);
        }
        body.dark .room-item::before {
            background: radial-gradient(circle at top right, rgba(var(--accent-rgb), .18), transparent 36%);
            opacity: .72;
        }
        body.dark .room-item:hover {
            border-color: var(--accent-outline);
            box-shadow: 0 20px 36px rgba(0,0,0,.28), 0 0 0 1px rgba(var(--accent-rgb), .12) inset;
        }
        .room-item .info {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
            min-width: 0;
            width: 100%;
        }
        .room-item .room-item-primary {
            display: flex;
            align-items: center;
            justify-content: flex-start;
            gap: 10px;
            width: 100%;
            min-width: 0;
        }
        .room-item .name {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            flex: 0 1 auto;
            min-width: 0;
            max-width: 100%;
            font-weight: 700;
            font-size: 0.98rem;
            color: var(--text-primary);
            line-height: 1.38;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .room-item .room-owner-crown {
            flex: 0 0 auto;
            font-size: 0.92em;
            line-height: 1;
        }
        .room-item .room-item-meta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            flex: 0 0 auto;
            white-space: nowrap;
        }
        .room-item .creator-meta {
            color: var(--text-secondary);
            font-size: 0.82rem;
            font-weight: 500;
            opacity: 0.82;
            line-height: 1.45;
        }
        .room-item .badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--accent-soft);
            border: 1px solid var(--accent-outline);
            min-height: 30px;
            padding: 5px 10px;
            border-radius: 999px;
            font-size: 0.76rem;
            color: var(--accent);
            font-weight: 800;
            box-shadow: none;
        }
        .room-item .lock {
            color: var(--accent);
            margin-left: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 30px;
            min-height: 30px;
            padding: 0 8px;
            border-radius: 12px;
            background: var(--accent-soft);
            border: 1px solid var(--accent-outline);
            box-shadow: 0 10px 18px rgba(var(--accent-rgb), .12);
        }
        .room-item .quick-join {
            align-self: center;
            min-width: 0;
            padding: 10px 16px;
            white-space: nowrap;
        }
        .room-item[data-has-password="true"] {
            border-color: rgba(var(--accent-rgb), .22);
        }
        body.dark .room-item .lock {
            box-shadow: 0 10px 18px rgba(0,0,0,.22);
        }
        .create-form, .join-form {
            background: var(--bg-panel);
            border-radius: var(--radius-panel);
            padding: 24px;
        }
        .form-row {
            margin-bottom: 16px;
        }
        .form-row label {
            display: block;
            margin-bottom: 6px;
            font-weight: 500;
            color: var(--text-secondary);
        }
        .form-row input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-pill);
            background: var(--input-bg);
            color: var(--text-primary);
        }
        .hidden-admin-join-row {
            margin-top: -6px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .hidden-admin-join-row .hidden-admin-join-label {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 0;
            color: var(--text-primary);
            font-weight: 600;
            line-height: 1.5;
            cursor: pointer;
        }
        .hidden-admin-join-row .hidden-admin-join-label input {
            flex: 0 0 auto;
            width: 16px;
            height: 16px;
            margin: 0;
            accent-color: var(--accent);
        }
        .hidden-admin-join-row .hidden-admin-join-text {
            display: inline-flex;
            align-items: center;
            min-width: 0;
        }
        .hidden-admin-join-row .hidden-admin-join-hint {
            padding-left: 26px;
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.6;
        }
        .btn {
            padding: 12px 28px;
            border: none;
            border-radius: var(--radius-pill);
            font-size: 1rem;
            font-weight: 500;
            cursor: pointer;
            background: var(--accent);
            color: white;
            transition: transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease, color .18s ease;
        }
        .btn:hover:not(:disabled) {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 14px 28px rgba(var(--accent-rgb), .22);
        }
        .btn:disabled {
            opacity: 0.5;
            cursor: not-allowed;
            pointer-events: none;
        }
        .btn-secondary {
            background: var(--btn-secondary-bg);
            border: 1px solid var(--btn-secondary-border);
            color: var(--text-primary);
        }
        .btn-secondary:hover:not(:disabled) {
            background: var(--border-light);
            transform: translateY(-1px);
            box-shadow: 0 12px 24px rgba(15,23,42,.12);
        }