/* ========================================
   Base Styles & Variables
   ======================================== */
:root {
    /* Brand Colors - Purple Theme */
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #8b9aef;
    --secondary-color: #764ba2;
    --success-color: #48bb78;
    --danger-color: #f56565;
    --warning-color: #ed8936;

    /* Light Theme Colors */
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --bg-primary: #f7fafc;
    --bg-secondary: #edf2f7;
    --bg-card: #ffffff;
    --bg-hover: #f1f5f9;
    --border-color: #e2e8f0;
    --border-hover: #cbd5e0;

    /* Soft UI Shadows - Enhanced depth */
    --shadow-sm: 0 2px 4px rgba(102, 126, 234, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 8px rgba(102, 126, 234, 0.08), 0 2px 4px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 12px 24px rgba(102, 126, 234, 0.12), 0 4px 8px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 20px 40px rgba(102, 126, 234, 0.15), 0 8px 16px rgba(0, 0, 0, 0.1);
    --shadow-inner: inset 0 2px 4px rgba(0, 0, 0, 0.06);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions - Smooth and accessible */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme */
[data-theme="dark"] {
    --text-primary: #f7fafc;
    --text-secondary: #cbd5e0;
    --text-muted: #a0aec0;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-card: #1e293b;
    --bg-hover: #334155;
    --border-color: #334155;
    --border-hover: #475569;

    /* Dark mode shadows with purple tint */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.3), 0 1px 2px rgba(102, 126, 234, 0.1);
    --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4), 0 2px 4px rgba(102, 126, 234, 0.15);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.5), 0 4px 8px rgba(102, 126, 234, 0.2);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.6), 0 8px 16px rgba(102, 126, 234, 0.25);
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background-color: var(--primary-color);
    color: white;
}

/* ========================================
   Login Page Styles
   ======================================== */
.login-page {
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

.login-page::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(102, 126, 234, 0.3) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.login-page::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(118, 75, 162, 0.3) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 6s ease-in-out infinite reverse;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-30px) rotate(5deg);
    }
}

.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
}

.login-card {
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 48px 40px;
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    animation: slideUp 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="dark"] .login-card {
    background: rgba(30, 41, 59, 0.95);
    border: 1px solid rgba(102, 126, 234, 0.2);
    box-shadow: var(--shadow-xl), 0 0 0 1px rgba(102, 126, 234, 0.1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 36px;
}

.login-header .logo {
    margin-bottom: 20px;
    display: inline-block;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.login-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.login-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.login-form .form-group {
    margin-bottom: 24px;
}

.login-form label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--text-muted);
    pointer-events: none;
    transition: var(--transition-fast);
}

.input-wrapper input {
    width: 100%;
    padding: 14px 48px !important;
    /* 强制应用 padding 防止重叠 */
    font-size: 15px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: var(--transition-fast);
    outline: none;
}

.input-wrapper input::placeholder {
    color: var(--text-muted);
}

.input-wrapper input:focus {
    border-color: var(--primary-color);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.input-wrapper input:focus+.input-icon,
.input-wrapper:focus-within .input-icon {
    color: var(--primary-color);
}

.toggle-password {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-muted);
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.toggle-password:hover {
    color: var(--text-secondary);
}

.error-message {
    background: #fff5f5;
    color: var(--danger-color);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    margin-bottom: 20px;
    display: none;
    animation: shake 0.4s ease-in-out;
}

.error-message.show {
    display: block;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    25% {
        transform: translateX(-5px);
    }

    75% {
        transform: translateX(5px);
    }
}

.login-btn {
    width: 100%;
    padding: 16px 24px;
    background: var(--primary-gradient);
    color: #fff;
    border: none;
    border-radius: var(--radius-md);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.login-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: var(--transition-slow);
}

.login-btn:hover::before {
    left: 100%;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px -10px rgba(102, 126, 234, 0.5);
}

.login-btn:active {
    transform: translateY(0);
}

.login-btn .btn-arrow {
    transition: var(--transition-fast);
}

.login-btn:hover .btn-arrow {
    transform: translateX(4px);
}

.login-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.login-btn.loading span {
    visibility: hidden;
}

.login-btn.loading::after {
    content: '';
    position: absolute;
    width: 24px;
    height: 24px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 13px;
}

/* ========================================
   Dashboard Styles
   ======================================== */
.dashboard {
    min-height: 100vh;
    background: var(--bg-primary);
}

.navbar {
    background: #fff;
    padding: 16px 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.navbar-brand svg {
    width: 36px;
    height: 36px;
}

.navbar-left {
    display: flex;
    align-items: center;
    gap: 40px;
}

.navbar-links {
    display: flex;
    gap: 20px;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--primary-color);
    background: var(--bg-hover);
}

.nav-link.active {
    color: var(--primary-color);
    background: rgba(102, 126, 234, 0.1);
    font-weight: 600;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 16px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.user-avatar {
    width: 32px;
    height: 32px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-weight: 600;
    font-size: 14px;
}

.user-name {
    font-weight: 500;
    color: var(--text-primary);
}

.logout-btn {
    padding: 10px 20px;
    background: none;
    border: 2px solid var(--danger-color);
    color: var(--danger-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.logout-btn:hover {
    background: var(--danger-color);
    color: #fff;
}

.main-content {
    max-width: 1400px;
    margin: 0 auto;
    padding: 32px;
}

.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 32px;
}

.page-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

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

/* 搜索框样式 */
.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box svg {
    position: absolute;
    left: 12px;
    color: var(--text-muted);
    pointer-events: none;
}

.search-box input {
    padding: 10px 36px;
    width: 200px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 14px;
    background: var(--bg-card);
    color: var(--text-primary);
    transition: all var(--transition-fast);
    outline: none;
}

.search-box input::placeholder {
    color: var(--text-muted);
}

.search-box input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.search-clear {
    position: absolute;
    right: 8px;
    width: 24px;
    height: 24px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border-radius: 50%;
    transition: all var(--transition-fast);
    opacity: 0.6;
}

.search-clear:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    opacity: 1;
}

.btn {
    padding: 12px 24px;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary-gradient);
    color: #fff;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

.btn-success {
    background: var(--success-color);
    color: #fff;
}

.btn-success:hover {
    filter: brightness(1.1);
}

.btn-danger {
    background: var(--danger-color);
    color: #fff;
}

.btn-danger:hover {
    filter: brightness(1.1);
}

.btn-warning {
    background: var(--warning-color);
    color: #fff;
    box-shadow: 0 4px 12px rgba(237, 137, 54, 0.3);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(237, 137, 54, 0.4);
    filter: brightness(1.1);
}

.btn-warning:active {
    transform: translateY(0);
}

/* ========================================
   Table Styles
   ======================================== */
.table-container {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.table-container:hover {
    box-shadow: var(--shadow-xl);
}

.table-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.table-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.table-title-area {
    display: flex;
    align-items: center;
    gap: 24px;
}

/* 状态过滤标签 */
.status-filters {
    display: flex;
    gap: 8px;
}

.status-tag {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid var(--border-color);
    background: var(--bg-card);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 6px;
}

.status-tag span {
    background: var(--bg-secondary);
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 12px;
}

.status-tag:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.status-tag.active {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.status-tag.active span {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.status-tag.normal:hover,
.status-tag.normal.active {
    background: var(--success-color);
    border-color: var(--success-color);
    color: white;
}

.status-tag.warning:hover,
.status-tag.warning.active {
    background: var(--warning-color);
    border-color: var(--warning-color);
    color: white;
}

.status-tag.expired:hover,
.status-tag.expired.active {
    background: var(--danger-color);
    border-color: var(--danger-color);
    color: white;
}

.status-tag.disabled:hover,
.status-tag.disabled.active {
    background: #718096;
    border-color: #718096;
    color: white;
}

/* 表格行状态标签 */
.row-status {
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
    white-space: nowrap;
}

.status-normal {
    background: rgba(72, 187, 120, 0.15);
    color: var(--success-color);
}

.status-warning {
    background: rgba(237, 137, 54, 0.15);
    color: var(--warning-color);
}

.status-expired {
    background: rgba(245, 101, 101, 0.15);
    color: var(--danger-color);
}

.table-info {
    font-size: 14px;
    color: var(--text-secondary);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

.data-table th,
.data-table td {
    padding: 14px 10px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.data-table th {
    background: var(--bg-secondary);
    font-weight: 600;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-secondary);
}

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

/* Zebra striping for better readability */
.data-table tbody tr:nth-child(even) {
    background: var(--bg-primary);
}

.data-table tbody tr:hover {
    background: var(--bg-hover);
    transform: scale(1.001);
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.08);
}

.data-table tbody tr:last-child td {
    border-bottom: none;
}

/* Smooth color transitions for cells */
.data-table td {
    transition: color var(--transition-fast);
}

.table-actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    width: 36px;
    height: 36px;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.action-btn.edit {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.action-btn.edit:hover {
    background: var(--primary-color);
    color: #fff;
}

.action-btn.delete {
    background: rgba(245, 101, 101, 0.1);
    color: var(--danger-color);
}

.action-btn.delete:hover {
    background: var(--danger-color);
    color: #fff;
}

/* ========================================
   Modal Styles
   ======================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-fast);
}

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

.modal {
    background: #fff;
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    transform: scale(0.9) translateY(20px);
    transition: var(--transition-normal);
}

.modal-overlay.show .modal {
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--bg-secondary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.modal-close:hover {
    background: var(--border-color);
    color: var(--text-primary);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
}

/* ========================================
   Form Styles (Dashboard)
   ======================================== */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 14px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: #fff;
    color: var(--text-primary);
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* ========================================
   Toast / Alert Styles
   ======================================== */
.toast-container {
    position: fixed;
    top: 24px;
    right: 24px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.toast {
    padding: 16px 20px;
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    animation: toastIn 0.3s ease-out;
    min-width: 300px;
}

@keyframes toastIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toast.success .toast-icon {
    background: rgba(72, 187, 120, 0.1);
    color: var(--success-color);
}

.toast.error .toast-icon {
    background: rgba(245, 101, 101, 0.1);
    color: var(--danger-color);
}

.toast-message {
    flex: 1;
    font-size: 14px;
    color: var(--text-primary);
}

/* ========================================
   Responsive Styles - Mobile Only (≤768px)
   ======================================== */
@media (max-width: 768px) {

    /* ── Login ── */
    .login-card {
        padding: 32px 20px;
    }

    /* ── Navbar ── */
    .navbar {
        padding: 8px 12px;
        height: auto;
        min-height: 48px;
    }

    .navbar-brand span {
        display: none;
    }

    .navbar-brand svg {
        width: 28px;
        height: 28px;
    }

    .navbar-left {
        gap: 8px;
    }

    .navbar-links {
        gap: 2px;
    }

    .nav-link {
        padding: 6px 10px;
        font-size: 13px;
    }

    .navbar-user {
        gap: 6px;
    }

    .user-info {
        padding: 4px 8px;
        background: transparent;
    }

    .user-name {
        display: none;
    }

    .user-avatar {
        width: 28px;
        height: 28px;
        font-size: 12px;
    }

    .logout-btn {
        padding: 6px 8px;
        font-size: 0;
    }

    .logout-btn svg {
        margin-right: 0 !important;
    }

    .icon-btn,
    .theme-toggle {
        width: 34px;
        height: 34px;
        min-width: 34px;
    }

    .icon-btn svg,
    .theme-toggle svg {
        width: 16px;
        height: 16px;
    }

    /* ── Announcement ── */
    .announcement-banner {
        font-size: 12px !important;
        padding: 0 12px !important;
        height: 36px !important;
    }

    /* ── Main Content ── */
    .main-content {
        padding: 16px 12px;
    }

    /* ── Page Header ── */
    .page-header {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        margin-bottom: 16px !important;
    }

    .page-title {
        font-size: 22px !important;
    }

    /* Action buttons: search full width on top, buttons below */
    .page-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        width: 100%;
    }

    .page-actions .search-box {
        order: -1;
        width: 100%;
        flex: 0 0 100%;
    }

    .search-box input {
        width: 100% !important;
        padding: 10px 36px;
        font-size: 14px;
    }

    .page-actions .btn {
        flex: 1 1 auto;
        padding: 8px 12px;
        font-size: 13px;
        justify-content: center;
        min-height: 40px;
    }

    .page-actions .btn svg {
        flex-shrink: 0;
    }

    /* ── Table container ── */
    .table-container {
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-sm);
    }

    .table-header {
        padding: 14px 12px;
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
    }

    .table-title-area {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 10px;
        width: 100%;
    }

    .table-title {
        font-size: 16px;
    }

    .table-info {
        font-size: 12px;
    }

    /* Status filters: scrollable row */
    .status-filters {
        display: flex;
        flex-wrap: nowrap;
        gap: 6px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        width: 100%;
        padding-bottom: 2px;
    }

    .status-filters::-webkit-scrollbar {
        display: none;
    }

    .status-tag {
        padding: 5px 10px;
        font-size: 12px;
        white-space: nowrap;
        flex-shrink: 0;
    }

    /* ── Dashboard Table → Card (only inside .table-container) ── */
    .table-container .data-table {
        table-layout: auto;
    }

    .table-container .data-table thead {
        display: none;
    }

    .table-container .data-table,
    .table-container .data-table tbody {
        display: block;
    }

    .table-container .data-table tbody {
        padding: 0 12px 12px;
    }

    .table-container .data-table tr {
        display: block;
        background: var(--bg-card);
        border: 1px solid var(--border-color);
        border-radius: var(--radius-md);
        margin-bottom: 10px;
        padding: 12px 14px;
        box-shadow: var(--shadow-sm);
    }

    .table-container .data-table tbody tr:nth-child(even) {
        background: var(--bg-card);
    }

    .table-container .data-table tbody tr:hover {
        transform: none;
        box-shadow: var(--shadow-sm);
    }

    .table-container .data-table td {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 6px 0;
        border-bottom: none;
        white-space: normal;
        overflow: visible;
        text-overflow: unset;
        font-size: 14px;
    }

    .table-container .data-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: 12px;
        color: var(--text-muted);
        min-width: 56px;
        flex-shrink: 0;
        margin-right: 8px;
    }

    /* Hide sequence number */
    .table-container .data-table td[data-label="序号"] {
        display: none;
    }

    /* Phone number: prominent */
    .table-container .data-table td[data-label="手机号"] {
        font-weight: 600;
        font-size: 15px;
        color: var(--text-primary);
        padding-bottom: 8px;
        margin-bottom: 4px;
        border-bottom: 1px dashed var(--border-color);
    }

    /* 加签 & Webhook: truncate long values */
    .table-container .data-table td[data-label="加签"],
    .table-container .data-table td[data-label="Webhook"] {
        overflow: hidden;
    }

    .table-container .data-table td[data-label="加签"] .cell-value,
    .table-container .data-table td[data-label="Webhook"] .cell-value {
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
        max-width: 180px;
        display: inline-block;
    }

    /* Status & Actions: side by side at bottom */
    .table-container .data-table td[data-label="状态"],
    .table-container .data-table td[data-label="操作"] {
        display: inline-flex;
        padding-top: 8px;
    }

    .table-container .data-table td[data-label="状态"] {
        flex: 1;
    }

    .table-container .data-table td[data-label="操作"] {
        flex: 0;
        justify-content: flex-end;
    }

    .table-container .data-table td[data-label="操作"]::before {
        display: none;
    }

    .table-actions {
        gap: 6px;
    }

    .action-btn {
        width: 36px;
        height: 36px;
    }

    /* ── Users/Servers page table: keep table, horizontal scroll ── */
    .data-table-container {
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
    }

    .data-table-container .data-table th,
    .data-table-container .data-table td {
        padding: 10px 8px;
        font-size: 13px;
        white-space: nowrap;
    }

    /* ── Modals ── */
    .modal-overlay {
        align-items: flex-end;
        padding: 0;
    }

    .modal {
        width: 100% !important;
        max-width: 100% !important;
        max-height: 88vh;
        margin: 0;
        border-radius: 16px 16px 0 0;
        overflow-y: auto;
    }

    .modal-overlay.show .modal {
        transform: translateY(0);
    }

    .modal-header {
        padding: 20px 16px 14px;
        position: relative;
    }

    .modal-header::before {
        content: '';
        position: absolute;
        top: 8px;
        left: 50%;
        transform: translateX(-50%);
        width: 32px;
        height: 4px;
        background: var(--border-color);
        border-radius: 2px;
    }

    .modal-title {
        font-size: 17px;
    }

    .modal-body {
        padding: 16px;
    }

    .modal-footer {
        padding: 12px 16px;
        padding-bottom: calc(12px + env(safe-area-inset-bottom, 0px));
    }

    .modal-footer .btn {
        flex: 1;
        min-height: 44px;
        justify-content: center;
    }

    .form-row {
        flex-direction: column;
        gap: 0;
    }

    /* ── Toast ── */
    .toast-container {
        top: 12px;
        right: 12px;
        left: 12px;
    }

    .toast {
        min-width: auto;
        width: 100%;
    }
}

/* Generic Icon Button */
.icon-btn {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.icon-btn:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
    color: var(--primary-color);
}

/* ========================================
   Dark Mode Toggle Button
   ======================================== */
.theme-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background: var(--bg-card);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    position: relative;
    overflow: hidden;
}

.theme-toggle:hover {
    background: var(--bg-hover);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

.theme-toggle:hover svg {
    color: var(--primary-color);
}

/* Moon/Sun icon animation */
.theme-toggle .sun-icon {
    position: absolute;
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

.theme-toggle .moon-icon {
    position: absolute;
    opacity: 0;
    transform: rotate(90deg) scale(0);
}

[data-theme="dark"] .theme-toggle .sun-icon {
    opacity: 0;
    transform: rotate(-90deg) scale(0);
}

[data-theme="dark"] .theme-toggle .moon-icon {
    opacity: 1;
    transform: rotate(0deg) scale(1);
}

/* Enhanced form inputs for dark mode */
[data-theme="dark"] .form-group input,
[data-theme="dark"] .form-group textarea {
    background: var(--bg-secondary);
    border-color: var(--border-color);
    color: var(--text-primary);
}

[data-theme="dark"] .form-group input:focus,
[data-theme="dark"] .form-group textarea:focus {
    background: var(--bg-card);
    border-color: var(--primary-color);
}

/* Toast dark mode */
[data-theme="dark"] .toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

/* Modal dark mode enhancements */
[data-theme="dark"] .modal {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
    border-color: var(--border-color);
}

/* Navbar dark mode */
[data-theme="dark"] .navbar {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
}

/* Loading state animation */
@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

.loading-shimmer {
    animation: shimmer 2s infinite;
    background: linear-gradient(90deg,
            var(--bg-secondary) 0%,
            var(--bg-hover) 50%,
            var(--bg-secondary) 100%);
    background-size: 1000px 100%;
}

/* Server Select Dropdown - Enhanced */
.server-select {
    padding: 10px 36px 10px 14px;
    border-radius: var(--radius-md);
    border: 2px solid var(--border-color);
    background-color: var(--bg-card);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    outline: none;
    min-width: 150px;
    cursor: pointer;
    transition: all var(--transition-fast);
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23718096' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-size: 16px;
}

.server-select:hover {
    border-color: var(--primary-color);
    background-color: var(--bg-hover);
}

.server-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.15);
}

/* Dark mode arrow */
[data-theme="dark"] .server-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23a0aec0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
}

.form-row {
    display: flex;
    gap: 16px;
}

/* ========================================
   Server Management Page Styles
   ======================================== */

/* Info Button */
.btn-info {
    background: linear-gradient(135deg, #38bdf8 0%, #0ea5e9 100%);
    color: #fff;
    box-shadow: 0 4px 12px rgba(56, 189, 248, 0.3);
}

.btn-info:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(56, 189, 248, 0.4);
}

/* Disabled Button State */
.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

.btn:disabled:hover {
    transform: none;
}

/* Button Spinner */
.btn-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    vertical-align: middle;
}

/* Connection Status Indicator */
.connection-status {
    display: inline-flex;
    align-items: center;
    font-size: 13px;
    font-weight: 500;
    margin-left: 8px;
}

.status-verified {
    color: var(--success-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-testing {
    color: var(--warning-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.status-failed {
    color: var(--danger-color);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: #fff;
    animation: spin 0.8s linear infinite;
}

/* Large Loading Spinner for table */
.loading-spinner-large {
    display: inline-block;
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 0.8s linear infinite;
}

.loading-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Toast Info Style */
.toast.info {
    border-left: 4px solid var(--primary-color);
}

.toast.info .toast-icon {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

/* Enhanced Modal Footer */
.modal-footer {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

/* Server Table Action Button Default */
.action-btn {
    background: rgba(102, 126, 234, 0.1);
    color: var(--primary-color);
}

.action-btn:hover {
    background: var(--primary-color);
    color: #fff;
}

/* Enhanced Server Select */
.server-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ========================================
   Switch Toggle Styles
   ======================================== */
.switch-group {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-hover);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    margin-top: 12px;
}

.switch-label {
    display: flex;
    flex-direction: column;
}

.switch-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.switch-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 2px;
}

.switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #cbd5e0;
    transition: .3s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .3s;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}

input:checked+.slider {
    background-color: var(--primary-color);
}

input:focus+.slider {
    box-shadow: 0 0 1px var(--primary-color);
}

input:checked+.slider:before {
    transform: translateX(20px);
}

[data-theme="dark"] .slider {
    background-color: #4a5568;
}

[data-theme="dark"] input:checked+.slider {
    background-color: var(--primary-color);
}