/* 0. 首屏鉴权防闪烁规则 */
html.is-authenticated #login-modal {
    display: none !important;
}

html.is-authenticated #main-app-container {
    display: block !important;
}

html.is-unauthenticated #login-modal {
    display: flex !important;
}

html.is-unauthenticated #main-app-container {
    display: none !important;
}

/* 1. 主容器与框架 */
.app-container {
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 24px;
    min-height: 100vh;
    box-sizing: border-box;
}

/* 2. 顶部导航栏 (Navbar) */
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 24px;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    margin-bottom: 24px;
    position: sticky;
    top: 24px;
    z-index: 50;
    transition: var(--transition-normal);
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-logo {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px var(--primary-glow);
}

.brand-title {
    font-size: 1.15rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.brand-badge {
    font-size: 0.72rem;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    background: rgba(255, 46, 99, 0.15);
    color: var(--primary);
    border: 1px solid rgba(255, 46, 99, 0.3);
    font-weight: 600;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.live-indicator {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.3);
    cursor: default;
    transition: var(--transition-fast);
}

.live-indicator:hover {
    background: rgba(16, 185, 129, 0.2);
    border-color: rgba(16, 185, 129, 0.5);
}

.live-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background-color: var(--success);
    --pulse-color: var(--success-glow);
    animation: radarPulse 1.8s infinite;
}

/* 按钮规范 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: var(--transition-fast);
    outline: none;
    user-select: none;
    text-decoration: none;
    white-space: nowrap;
}

.btn:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
    box-shadow: 0 6px 20px rgba(255, 46, 99, 0.5);
    transform: translateY(-1px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-main);
    border-color: var(--glass-border);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn-success {
    background: var(--success-bg);
    color: var(--success);
    border-color: rgba(16, 185, 129, 0.3);
}

.btn-success:hover {
    background: rgba(16, 185, 129, 0.25);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: rgba(239, 68, 68, 0.3);
}

.btn-danger:hover {
    background: rgba(239, 68, 68, 0.25);
}

.btn-warning {
    background: var(--warning-bg);
    color: var(--warning);
    border-color: rgba(245, 158, 11, 0.3);
}

.btn-warning:hover {
    background: rgba(245, 158, 11, 0.25);
}

.btn-sm {
    padding: 4px 10px;
    font-size: 0.78rem;
    border-radius: var(--radius-sm);
}

.btn-icon {
    width: 36px;
    height: 36px;
    padding: 0;
    border-radius: var(--radius-md);
}

/* 3. 统计大盘矩阵 (Stats Cockpit) */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 18px 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    transition: var(--transition-normal);
}

.stat-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
}

.stat-card:hover::after {
    opacity: 1;
}

.stat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.stat-title {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.stat-icon {
    font-size: 1.15rem;
    opacity: 0.85;
}

.stat-value {
    font-size: 1.85rem;
    font-weight: 800;
    color: #ffffff;
    line-height: 1.1;
    margin-bottom: 6px;
    font-family: var(--font-mono);
}

.stat-footer {
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 4. 操作与检索工具栏 (Toolbar) */
.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 14px 18px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    flex: 1;
    min-width: 240px;
}

.search-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 9px 14px 9px 36px;
    color: var(--text-main);
    font-size: 0.88rem;
    outline: none;
    transition: var(--transition-fast);
}

.search-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.15);
}

.search-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
    font-size: 0.85rem;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.view-toggle {
    display: flex;
    background: rgba(0, 0, 0, 0.25);
    padding: 3px;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
}

.view-btn {
    padding: 6px 12px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.view-btn.active {
    background: rgba(255, 255, 255, 0.1);
    color: #ffffff;
}

/* 5. 房间展示区域 (Table & Cards) */
.room-view-container {
    background: var(--bg-card);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
    overflow: hidden;
}

/* 桌面端表格 */
.table-wrapper {
    width: 100%;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
    font-size: 0.88rem;
}

.data-table th {
    background: rgba(0, 0, 0, 0.3);
    color: var(--text-secondary);
    font-weight: 600;
    padding: 14px 18px;
    border-bottom: 1px solid var(--glass-border);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.data-table td {
    padding: 16px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    vertical-align: middle;
}

.data-table tbody tr {
    transition: var(--transition-fast);
}

.data-table tbody tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

/* 房间号与密码徽章 */
.room-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 700;
    font-size: 0.95rem;
    color: #ffffff;
    font-family: var(--font-mono);
}

.pass-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0, 0, 0, 0.3);
    padding: 3px 8px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: #e2e8f0;
}

.pass-toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 2px;
}

.pass-toggle-btn:hover {
    color: var(--text-main);
}

/* 在线人数状态胶囊 */
.status-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.76rem;
    font-weight: 600;
}

.status-pill.active {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.waiting {
    background: var(--warning-bg);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.3);
}

.status-pill.idle {
    background: var(--idle-bg);
    color: var(--idle);
    border: 1px solid rgba(100, 116, 139, 0.3);
}

.status-pill.expiring {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.3);
}

/* 倒计时进度微组件 */
.countdown-box {
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-width: 140px;
}

.countdown-text {
    font-size: 0.78rem;
    color: var(--text-main);
    font-family: var(--font-mono);
}

.countdown-bar-bg {
    width: 100%;
    height: 4px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.countdown-bar-fill {
    height: 100%;
    background: var(--primary-gradient);
    border-radius: var(--radius-full);
    transition: width 1s linear;
}

/* 移动端卡片流 (Card Grid) */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
    padding: 16px;
}

.room-card {
    background: rgba(17, 24, 39, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 18px;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.room-card:hover {
    border-color: rgba(255, 255, 255, 0.18);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow);
}

.room-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.room-card-metrics {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    background: rgba(0, 0, 0, 0.25);
    padding: 10px 12px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.metric-item {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.metric-label {
    font-size: 0.7rem;
    color: var(--text-muted);
}

.metric-val {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
    font-family: var(--font-mono);
}

.room-card-actions {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
}

.room-card-actions .btn {
    flex: 1;
}

/* 空状态 */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 3rem;
    margin-bottom: 12px;
    opacity: 0.6;
}

/* 6. 成员画像模态抽屉 (Peer Drawer) */
.peer-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 700;
    font-size: 0.85rem;
}

.peer-badge-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.76rem;
    cursor: pointer;
    transition: var(--transition-fast);
    color: var(--text-main);
}

.peer-badge-btn:hover {
    background: rgba(255, 46, 99, 0.15);
    border-color: rgba(255, 46, 99, 0.4);
}

/* 成员画像抽屉 Tab 切换栏 */
.peer-tab-bar {
    display: flex;
    gap: 8px;
    background: rgba(0, 0, 0, 0.4);
    padding: 4px;
    border-radius: var(--radius-md);
    margin-bottom: 14px;
    border: 1px solid var(--glass-border);
}

.peer-tab-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 0.82rem;
    font-weight: 600;
    padding: 7px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.peer-tab-btn:hover {
    color: #ffffff;
}

.peer-tab-btn.active {
    background: var(--primary-gradient);
    color: #ffffff;
    box-shadow: 0 2px 10px rgba(255, 46, 99, 0.3);
}

.peer-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.95rem;
    flex-shrink: 0;
}

.peer-avatar.history {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.peer-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    max-height: 380px;
    overflow-y: auto;
    padding: 2px;
}

.peer-card {
    background: rgba(0, 0, 0, 0.35);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.peer-card-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.peer-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: #ffffff;
}

.peer-sub {
    font-size: 0.74rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

/* 7. 模态弹窗系统 (Modal System) */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 20px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.modal-backdrop.show {
    opacity: 1;
    visibility: visible;
}

.modal-card {
    width: 100%;
    max-width: 480px;
    background: var(--bg-surface-elevated);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-lg);
    box-shadow: 0 24px 60px rgba(0, 0, 0, 0.7);
    padding: 28px;
    transform: scale(0.92);
    transition: var(--transition-bounce);
}

.modal-backdrop.show .modal-card {
    transform: scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 20px;
}

.modal-title {
    font-size: 1.15rem;
    font-weight: 700;
    color: #ffffff;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.25rem;
    cursor: pointer;
    padding: 4px;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: #ffffff;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 18px;
}

.form-label {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-input {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    color: var(--text-main);
    font-size: 0.9rem;
    outline: none;
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(255, 46, 99, 0.15);
}

/* 快捷预设时长胶囊 */
.preset-pills {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 6px;
}

.preset-pill {
    padding: 4px 10px;
    border-radius: var(--radius-sm);
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.preset-pill:hover, .preset-pill.active {
    background: var(--primary-gradient);
    color: #ffffff;
    border-color: transparent;
}

/* 7.1 统一确认对话框规范 (Confirm Modal) */
.confirm-modal-card {
    max-width: 420px;
    text-align: center;
    padding: 32px 26px 26px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.confirm-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 16px;
    box-shadow: 0 0 24px rgba(239, 68, 68, 0.2);
}

.confirm-icon-box.warning {
    background: rgba(245, 158, 11, 0.12);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 0 24px rgba(245, 158, 11, 0.2);
}

.confirm-icon-box.info {
    background: rgba(6, 182, 212, 0.12);
    border-color: rgba(6, 182, 212, 0.3);
    box-shadow: 0 0 24px rgba(6, 182, 212, 0.2);
}

.confirm-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 10px;
}

.confirm-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
    white-space: pre-line;
    word-break: break-word;
}

.confirm-actions {
    display: flex;
    gap: 12px;
    width: 100%;
}

.confirm-actions .btn {
    flex: 1;
    padding: 10px 16px;
    font-size: 0.9rem;
}

/* 8. 登录专属遮罩与卡片 */
.login-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: radial-gradient(circle at center, rgba(22, 32, 50, 0.95) 0%, rgba(11, 15, 25, 0.98) 100%);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid rgba(255, 46, 99, 0.25);
    border-radius: var(--radius-lg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 30px rgba(255, 46, 99, 0.15);
    padding: 36px 30px;
    text-align: center;
    animation: fadeIn 0.4s ease-out;
}

.login-logo {
    width: 54px;
    height: 54px;
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    box-shadow: 0 8px 24px var(--primary-glow);
}

.login-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
    color: #ffffff;
}

.login-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

/* 9. Toast 提示通知 */
.toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 3000;
    display: flex;
    flex-direction: column;
    gap: 10px;
    pointer-events: none;
}

.toast {
    background: rgba(17, 24, 39, 0.92);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: 12px 18px;
    color: var(--text-main);
    font-size: 0.88rem;
    font-weight: 500;
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    gap: 10px;
    pointer-events: auto;
    animation: fadeIn 0.25s ease-out;
    min-width: 220px;
}

.toast.success {
    border-color: rgba(16, 185, 129, 0.4);
}

.toast.error {
    border-color: rgba(239, 68, 68, 0.4);
}

/* 9.1 中等屏幕自适应 (Tablets / Laptops 769px ~ 1200px) */
@media (max-width: 1200px) and (min-width: 769px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* 10. 移动端极佳适配 (Mobile First Breakpoints - 四边严格等宽) */
@media (max-width: 768px) {
    /* 容器四边等宽 (左/右/顶/底均为 12px，底部精确贴合安全区) */
    .app-container {
        padding: 12px 12px calc(12px + env(safe-area-inset-bottom, 0px));
        max-width: 100vw;
    }

    /* 1. 顶部导航栏自适应单行排版 (吸顶 12px 与顶/左/右等宽对称) */
    .navbar {
        padding: 10px 14px;
        top: 12px;
        margin-bottom: 12px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .nav-brand {
        gap: 8px;
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .nav-logo {
        width: 30px;
        height: 30px;
        flex-shrink: 0;
    }

    .brand-title {
        font-size: 1.05rem;
        letter-spacing: 0.2px;
        white-space: nowrap;
    }

    .nav-actions {
        gap: 8px;
        display: flex;
        align-items: center;
        flex-shrink: 0;
    }

    .live-indicator {
        width: 26px;
        height: 26px;
    }

    #logout-btn {
        padding: 5px 12px;
        font-size: 0.8rem;
    }

    /* 2. 统计大盘矩阵 2x3 网格 */
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        margin-bottom: 12px;
    }

    .stat-card {
        padding: 12px 12px 10px;
        border-radius: var(--radius-md);
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        min-height: 94px;
    }

    .stat-header {
        margin-bottom: 4px;
    }

    .stat-title {
        font-size: 0.75rem;
    }

    .stat-icon {
        font-size: 0.95rem;
    }

    .stat-value {
        font-size: 1.35rem;
        margin-bottom: 4px;
    }

    #stat-system-uptime {
        font-size: 0.85rem !important;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }

    .stat-footer {
        font-size: 0.66rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        display: block;
    }

    /* 3. 操作与检索工具栏 */
    .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
        padding: 12px;
        margin-bottom: 12px;
        border-radius: var(--radius-md);
    }

    .search-box {
        min-width: unset;
        width: 100%;
    }

    .search-input {
        padding: 8px 12px 8px 34px;
        font-size: 0.84rem;
    }

    .toolbar-actions {
        width: 100%;
        display: flex;
        gap: 8px;
    }

    .toolbar-actions .btn {
        flex: 1;
        min-height: 40px;
        font-size: 0.85rem;
        padding: 8px;
    }

    /* 移动端隐藏视图切换胶囊，强制使用卡片流 */
    .view-toggle {
        display: none !important;
    }

    /* 4. 房间卡片与展示流 */
    .table-wrapper {
        display: none !important;
    }

    .room-view-container {
        background: transparent;
        border: none;
        box-shadow: none;
        overflow: visible;
    }

    .card-grid {
        display: grid !important;
        grid-template-columns: 1fr;
        gap: 12px;
        padding: 0;
    }

    .room-card {
        background: var(--bg-card);
        backdrop-filter: var(--glass-blur);
        border: 1px solid var(--glass-border);
        border-radius: var(--radius-lg);
        padding: 16px;
        gap: 12px;
        box-shadow: var(--card-shadow);
    }

    .room-card-header .room-badge {
        font-size: 1.1rem;
    }

    .room-card-metrics {
        padding: 8px 10px;
        gap: 8px;
    }

    .metric-label {
        font-size: 0.68rem;
    }

    .metric-val {
        font-size: 0.8rem;
    }

    .room-card-actions {
        display: flex;
        gap: 6px;
        margin-top: 2px;
    }

    .room-card-actions .btn {
        flex: 1;
        min-height: 38px;
        font-size: 0.82rem;
        padding: 6px 4px;
    }

    /* 5. 模态弹窗移动端触控优化 */
    .modal-backdrop {
        padding: 14px;
    }

    .modal-card {
        padding: 22px 18px;
        border-radius: var(--radius-lg);
        max-height: 90vh;
        overflow-y: auto;
    }

    .preset-pills {
        gap: 6px;
    }

    .preset-pill {
        padding: 5px 10px;
        font-size: 0.75rem;
    }
}

/* 11. 超小屏幕极佳微调 (Ultra-compact mobile < 380px) */
@media (max-width: 380px) {
    .navbar {
        padding: 8px 10px;
    }

    .brand-title {
        font-size: 0.95rem;
    }

    .stats-grid {
        gap: 6px;
    }

    .stat-card {
        padding: 10px;
    }

    .stat-value {
        font-size: 1.2rem;
    }
}