/* DR. Zen AI Admin Portal - Styles */

:root {
    --primary: #0D7377;
    --primary-light: #14FFEC;
    --secondary: #6366F1;
    --background: #1A1A2E;
    --card-bg: #16213E;
    --card-bg-light: #1F2B47;
    --text: #E5E7EB;
    --text-muted: #9CA3AF;
    --border: #374151;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --info: #3B82F6;

    --sidebar-width: 260px;
    --header-height: 64px;
    --radius: 8px;
    --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

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

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

a {
    color: var(--primary-light);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--card-bg);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.logo-icon {
    font-size: 28px;
}

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

.sidebar-nav {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.sidebar-nav ul {
    list-style: none;
}

.nav-section {
    padding: 12px 20px 8px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-muted);
    transition: all 0.2s;
    text-decoration: none;
}

.sidebar-nav a:hover,
.sidebar-nav a.active {
    background: var(--card-bg-light);
    color: var(--primary-light);
}

.sidebar-nav a.active {
    border-left: 3px solid var(--primary);
}

.nav-badge {
    margin-left: auto;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 10px;
}

.sidebar-footer {
    padding: 16px;
    border-top: 1px solid var(--border);
}

.logout-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-muted);
    border-radius: var(--radius);
    transition: all 0.2s;
}

.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    text-decoration: none;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header */
.top-header {
    height: var(--header-height);
    background: var(--card-bg);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 24px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    padding: 8px;
    background: none;
    border: none;
    cursor: pointer;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--text);
}

.page-title {
    font-size: 20px;
    font-weight: 600;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.notification-badge {
    position: relative;
    color: var(--text-muted);
    padding: 8px;
}

.notification-badge:hover {
    color: var(--primary-light);
}

.notification-badge .badge {
    position: absolute;
    top: 0;
    right: 0;
    background: var(--danger);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 10px;
}

.user-menu {
    position: relative;
}

.user-menu-toggle {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    cursor: pointer;
}

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

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    min-width: 160px;
    box-shadow: var(--shadow);
    display: none;
}

.user-dropdown.show {
    display: block;
}

.user-dropdown a {
    display: block;
    padding: 12px 16px;
    color: var(--text);
}

.user-dropdown a:hover {
    background: var(--card-bg-light);
    text-decoration: none;
}

/* Content Wrapper */
.content-wrapper {
    flex: 1;
    padding: 24px;
}

/* Footer */
.main-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
    font-size: 13px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}

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

.card-title {
    font-size: 18px;
    font-weight: 600;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

.stat-card.highlight {
    border-color: var(--primary);
    background: linear-gradient(135deg, var(--card-bg) 0%, rgba(13, 115, 119, 0.1) 100%);
}

.stat-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text);
}

.stat-change {
    font-size: 13px;
    margin-top: 8px;
}

.stat-change.positive {
    color: var(--success);
}

.stat-change.negative {
    color: var(--danger);
}

/* Tables */
.table-container {
    overflow-x: auto;
}

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

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    font-weight: 600;
    color: var(--text-muted);
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: var(--card-bg-light);
}

/* Badges */
.badge {
    display: inline-block;
    padding: 4px 10px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 20px;
}

.badge-success {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--warning);
}

.badge-danger {
    background: rgba(239, 68, 68, 0.2);
    color: var(--danger);
}

.badge-info {
    background: rgba(59, 130, 246, 0.2);
    color: var(--info);
}

.badge-secondary {
    background: rgba(107, 114, 128, 0.2);
    color: var(--text-muted);
}

.badge-primary {
    background: rgba(13, 115, 119, 0.2);
    color: var(--primary-light);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

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

.btn-primary:hover {
    background: #0a5d60;
    text-decoration: none;
}

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

.btn-secondary:hover {
    background: var(--border);
    text-decoration: none;
}

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

.btn-danger:hover {
    background: #dc2626;
    text-decoration: none;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

/* Forms */
.form-group {
    margin-bottom: 20px;
}

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

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-help {
    margin-top: 8px;
    font-size: 13px;
    color: var(--text-muted);
}

/* Alerts */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.alert-success {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(59, 130, 246, 0.1);
    border: 1px solid var(--info);
    color: var(--info);
}

.alert-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 20px;
    cursor: pointer;
    opacity: 0.7;
}

.alert-close:hover {
    opacity: 1;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    margin-top: 24px;
}

.pagination ul {
    display: flex;
    list-style: none;
    gap: 8px;
}

.pagination li a,
.pagination li span {
    display: block;
    padding: 8px 14px;
    background: var(--card-bg-light);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    text-decoration: none;
}

.pagination li a:hover {
    border-color: var(--primary);
}

.pagination li.active a {
    background: var(--primary);
    border-color: var(--primary);
}

/* Grid layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

/* Action buttons in tables */
.actions {
    display: flex;
    gap: 8px;
}

.action-btn {
    padding: 6px 10px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
}

.action-btn:hover {
    border-color: var(--primary);
    color: var(--primary-light);
}

.action-btn.danger:hover {
    border-color: var(--danger);
    color: var(--danger);
}

/* Search and filters */
.filters-bar {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.search-box {
    flex: 1;
    min-width: 200px;
    position: relative;
}

.search-box input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
}

.search-box svg {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

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

.empty-state svg {
    width: 64px;
    height: 64px;
    margin-bottom: 16px;
    opacity: 0.5;
}

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

/* Login page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.login-logo {
    text-align: center;
    margin-bottom: 32px;
}

.login-logo .logo-icon {
    font-size: 48px;
}

.login-logo h1 {
    font-size: 24px;
    margin-top: 12px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .menu-toggle {
        display: flex;
    }

    .grid-2,
    .grid-3 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }

    .content-wrapper {
        padding: 16px;
    }

    .filters-bar {
        flex-direction: column;
    }

    .user-name {
        display: none;
    }
}