/* ===== CSS Variables & Reset ===== */
:root {
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --primary-bg: #eef2ff;
    --secondary: #f1f5f9;
    --success: #10b981;
    --success-bg: #ecfdf5;
    --warning: #f59e0b;
    --warning-bg: #fffbeb;
    --danger: #ef4444;
    --danger-bg: #fef2f2;
    --info: #06b6d4;
    --info-bg: #ecfeff;

    --bg: #f8fafc;
    --bg-white: #ffffff;
    --bg-card: #ffffff;
    --border: #e2e8f0;
    --border-light: #f1f5f9;

    --text: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-white: #ffffff;

    --sidebar-bg: #ffffff;
    --sidebar-width: 260px;
    --sidebar-collapsed: 72px;
    --topbar-height: 64px;

    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;

    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
    --shadow: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.07), 0 2px 4px -2px rgba(0,0,0,0.05);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -4px rgba(0,0,0,0.04);

    --transition: 0.2s ease;
    --transition-slow: 0.3s ease;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, select, textarea { font-family: inherit; }

/* ===== Animations ===== */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.animate-fade { animation: fadeIn 0.4s ease forwards; }
.animate-slide { animation: slideInLeft 0.4s ease forwards; }
.animate-scale { animation: scaleIn 0.3s ease forwards; }

/* Staggered animations */
.stagger > *:nth-child(1) { animation-delay: 0.05s; }
.stagger > *:nth-child(2) { animation-delay: 0.1s; }
.stagger > *:nth-child(3) { animation-delay: 0.15s; }
.stagger > *:nth-child(4) { animation-delay: 0.2s; }
.stagger > *:nth-child(5) { animation-delay: 0.25s; }
.stagger > *:nth-child(6) { animation-delay: 0.3s; }
.stagger > *:nth-child(7) { animation-delay: 0.35s; }
.stagger > *:nth-child(8) { animation-delay: 0.4s; }

/* ===== Layout ===== */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: width var(--transition-slow), transform var(--transition-slow);
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-light);
    height: var(--topbar-height);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.3);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text);
    letter-spacing: -0.5px;
}

.sidebar-toggle {
    color: var(--text-secondary);
    font-size: 16px;
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

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

.sidebar-nav {
    flex: 1;
    padding: 12px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    margin-bottom: 2px;
}

.nav-item i {
    width: 20px;
    text-align: center;
    font-size: 16px;
    transition: all var(--transition);
}

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

.nav-item.active {
    background: var(--primary-bg);
    color: var(--primary);
    font-weight: 600;
}

.nav-item.active i {
    color: var(--primary);
}

.nav-divider {
    height: 1px;
    background: var(--border-light);
    margin: 12px 0;
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-light);
}

.user-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    border-radius: var(--radius-sm);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-email {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.btn-logout {
    color: var(--text-muted);
    padding: 6px;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}

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

/* ===== Main Content ===== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    transition: margin-left var(--transition-slow);
}

.top-bar {
    height: var(--topbar-height);
    background: var(--bg-white);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.mobile-menu-btn {
    display: none;
    font-size: 20px;
    color: var(--text-secondary);
    padding: 6px;
}

.search-bar {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.search-bar i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 14px;
}

.search-bar input {
    width: 100%;
    padding: 9px 14px 9px 40px;
    border: 1px solid var(--border);
    border-radius: var(--radius-full);
    font-size: 13px;
    color: var(--text);
    background: var(--bg);
    transition: all var(--transition);
    outline: none;
}

.search-bar input:focus {
    border-color: var(--primary-light);
    background: var(--bg-white);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.top-bar-actions {
    display: flex;
    align-items: center;
    gap: 10px;
}

.btn-icon {
    position: relative;
    width: 38px;
    height: 38px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    font-size: 16px;
    transition: all var(--transition);
}

.btn-icon:hover {
    background: var(--secondary);
    color: var(--text);
}

.btn-icon .badge {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 16px;
    height: 16px;
    background: var(--danger);
    color: white;
    font-size: 9px;
    font-weight: 700;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
}

.content-area {
    padding: 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    transition: all var(--transition);
    border: 1px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}

.btn i { font-size: 14px; }

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 1px 3px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.35);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-white);
    color: var(--text);
    border-color: var(--border);
}

.btn-secondary:hover {
    background: var(--secondary);
    border-color: var(--text-muted);
}

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

.btn-success:hover {
    background: #059669;
    transform: translateY(-1px);
}

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

.btn-danger:hover {
    background: #dc2626;
    transform: translateY(-1px);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover {
    background: var(--secondary);
    color: var(--text);
}

.btn-sm {
    padding: 7px 14px;
    font-size: 13px;
}

.btn-lg {
    padding: 12px 28px;
    font-size: 16px;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    transition: all var(--transition);
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
}

.card:hover {
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

/* ===== Stats Grid ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    transition: all var(--transition);
    animation: slideInUp 0.4s ease forwards;
    opacity: 0;
}

.stat-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.stat-icon.purple { background: var(--primary-bg); color: var(--primary); }
.stat-icon.green { background: var(--success-bg); color: var(--success); }
.stat-icon.orange { background: var(--warning-bg); color: var(--warning); }
.stat-icon.blue { background: var(--info-bg); color: var(--info); }
.stat-icon.red { background: var(--danger-bg); color: var(--danger); }

.stat-info h3 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
    line-height: 1;
    margin-bottom: 4px;
}

.stat-info p {
    font-size: 13px;
    color: var(--text-secondary);
}

.stat-trend {
    font-size: 12px;
    font-weight: 500;
    margin-top: 4px;
}

.stat-trend.up { color: var(--success); }
.stat-trend.down { color: var(--danger); }

/* ===== Page Header ===== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 12px;
}

.page-header h1 {
    font-size: 24px;
    font-weight: 700;
    color: var(--text);
}

.page-header p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ===== Agent Cards ===== */
.agents-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 16px;
}

.agent-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    transition: all var(--transition);
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
    position: relative;
    overflow: hidden;
}

.agent-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    opacity: 0;
    transition: opacity var(--transition);
}

.agent-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
    transform: translateY(-2px);
}

.agent-card:hover::before {
    opacity: 1;
}

.agent-card-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.agent-avatar {
    width: 44px;
    height: 44px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
    flex-shrink: 0;
}

.agent-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text);
}

.agent-type {
    font-size: 12px;
    color: var(--text-muted);
}

.agent-description {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.agent-integrations {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}

.agent-integrations .integration-badge {
    width: 30px;
    height: 30px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all var(--transition);
}

.integration-badge:hover {
    transform: scale(1.15);
}

.agent-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid var(--border-light);
}

.agent-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    font-weight: 500;
}

.status-dot {
    width: 7px;
    height: 7px;
    border-radius: var(--radius-full);
}

.status-dot.active { background: var(--success); box-shadow: 0 0 6px rgba(16, 185, 129, 0.4); }
.status-dot.inactive { background: var(--text-muted); }
.status-dot.training { background: var(--warning); animation: pulse 2s infinite; }

.agent-actions {
    display: flex;
    gap: 4px;
}

.agent-actions button {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 14px;
    transition: all var(--transition);
}

.agent-actions button:hover {
    background: var(--secondary);
    color: var(--text);
}

.agent-actions button.delete:hover {
    background: var(--danger-bg);
    color: var(--danger);
}

/* ===== Integration Cards ===== */
.integrations-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
}

.integration-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    transition: all var(--transition);
    animation: fadeIn 0.4s ease forwards;
    opacity: 0;
}

.integration-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.integration-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 12px;
    color: white;
}

.integration-card h3 {
    font-size: 15px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 4px;
}

.integration-card p {
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

/* ===== Forms ===== */
.form-group {
    margin-bottom: 18px;
}

.form-label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 6px;
}

.form-input {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
    background: var(--bg-white);
    transition: all var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

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

.form-select {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
    background: var(--bg-white);
    cursor: pointer;
    outline: none;
    transition: all var(--transition);
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%2364748b' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 10px center;
    background-repeat: no-repeat;
    background-size: 20px;
}

.form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-check {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
}

.form-check:hover {
    border-color: var(--primary-light);
    background: var(--primary-bg);
}

.form-check input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ===== Tables ===== */
.table-wrapper {
    overflow-x: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    background: var(--bg-white);
}

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

.data-table th {
    padding: 12px 16px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    text-align: left;
    background: var(--bg);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 12px 16px;
    font-size: 14px;
    color: var(--text);
    border-bottom: 1px solid var(--border-light);
}

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

.data-table tr:hover td {
    background: var(--primary-bg);
}

/* ===== Tags & Badges ===== */
.tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: var(--radius-full);
    font-size: 11px;
    font-weight: 600;
}

.tag-success { background: var(--success-bg); color: var(--success); }
.tag-warning { background: var(--warning-bg); color: var(--warning); }
.tag-danger { background: var(--danger-bg); color: var(--danger); }
.tag-info { background: var(--info-bg); color: var(--info); }
.tag-primary { background: var(--primary-bg); color: var(--primary); }

/* ===== Modal ===== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition);
}

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

.modal {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 540px;
    max-height: 85vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
    transform: scale(0.95) translateY(10px);
    transition: transform var(--transition-slow);
}

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

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

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 18px;
    transition: all var(--transition);
}

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

.modal-body { padding: 24px; }

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

/* ===== Auth Pages ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #eef2ff 0%, #faf5ff 50%, #ecfeff 100%);
    padding: 20px;
}

.auth-container {
    width: 100%;
    max-width: 420px;
    animation: fadeIn 0.5s ease forwards;
}

.auth-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
}

.auth-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 32px;
}

.auth-logo .logo-icon {
    width: 44px;
    height: 44px;
    font-size: 22px;
}

.auth-logo .logo-text {
    font-size: 26px;
}

.auth-title {
    text-align: center;
    margin-bottom: 24px;
}

.auth-title h1 {
    font-size: 22px;
    font-weight: 700;
    color: var(--text);
    margin-bottom: 6px;
}

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

.auth-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--text-muted);
    font-size: 12px;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

.auth-divider span {
    padding: 0 12px;
}

.auth-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
    color: var(--text-secondary);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

.social-btn {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text);
    transition: all var(--transition);
    margin-bottom: 8px;
}

.social-btn:hover {
    background: var(--secondary);
    border-color: var(--text-muted);
}

.social-btn i { font-size: 18px; }

/* ===== Alerts ===== */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: fadeIn 0.3s ease;
}

.alert-success { background: var(--success-bg); color: #065f46; border: 1px solid #a7f3d0; }
.alert-error { background: var(--danger-bg); color: #991b1b; border: 1px solid #fecaca; }
.alert-warning { background: var(--warning-bg); color: #92400e; border: 1px solid #fde68a; }
.alert-info { background: var(--info-bg); color: #155e75; border: 1px solid #a5f3fc; }

/* ===== Empty State ===== */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    animation: fadeIn 0.5s ease;
}

.empty-state i {
    font-size: 48px;
    color: var(--text-muted);
    margin-bottom: 16px;
    animation: float 3s ease-in-out infinite;
}

.empty-state h3 {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 8px;
}

.empty-state p {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 20px;
}

/* ===== Tabs ===== */
.tabs {
    display: flex;
    gap: 4px;
    border-bottom: 1px solid var(--border);
    margin-bottom: 24px;
}

.tab {
    padding: 10px 16px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    transition: all var(--transition);
    cursor: pointer;
}

.tab:hover { color: var(--text); }

.tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
}

/* ===== Section Titles ===== */
.section-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== Toggle Switch ===== */
.toggle-switch {
    position: relative;
    width: 44px;
    height: 24px;
    cursor: pointer;
}

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

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--border);
    border-radius: var(--radius-full);
    transition: all var(--transition);
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: var(--radius-full);
    transition: all var(--transition);
    box-shadow: var(--shadow-sm);
}

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

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

/* ===== Landing Page ===== */
.landing-page {
    min-height: 100vh;
    background: linear-gradient(135deg, #eef2ff 0%, #faf5ff 50%, #ecfeff 100%);
}

.landing-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.landing-nav-links {
    display: flex;
    align-items: center;
    gap: 24px;
}

.landing-nav-links a {
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: color var(--transition);
}

.landing-nav-links a:hover {
    color: var(--primary);
}

.landing-hero {
    max-width: 1200px;
    margin: 0 auto;
    padding: 80px 40px;
    text-align: center;
}

.landing-hero h1 {
    font-size: 52px;
    font-weight: 800;
    color: var(--text);
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
    animation: fadeIn 0.6s ease;
}

.landing-hero h1 span {
    background: linear-gradient(135deg, var(--primary), #8b5cf6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.landing-hero p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto 36px;
    line-height: 1.7;
    animation: fadeIn 0.6s ease 0.1s forwards;
    opacity: 0;
}

.landing-hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    animation: fadeIn 0.6s ease 0.2s forwards;
    opacity: 0;
}

.landing-features {
    max-width: 1200px;
    margin: 0 auto;
    padding: 40px 40px 80px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
}

.feature-card {
    background: white;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    transition: all var(--transition);
    animation: slideInUp 0.5s ease forwards;
    opacity: 0;
}

.feature-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 8px;
}

.feature-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .mobile-menu-btn {
        display: block;
    }

    .content-area {
        padding: 16px;
    }

    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    }

    .agents-grid {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .landing-hero h1 {
        font-size: 32px;
    }

    .landing-hero {
        padding: 40px 20px;
    }

    .landing-nav {
        padding: 16px 20px;
    }

    .auth-card {
        padding: 28px;
    }

    .landing-hero-actions {
        flex-direction: column;
        align-items: center;
    }
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ===== Utility ===== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 8px; }
.gap-2 { gap: 16px; }
.hidden { display: none !important; }