/**
 * Dark Theme CSS for Google Ads Optimizer
 *
 * Modern dark theme with excellent contrast ratios and accessibility
 * Based on 4px grid system with consistent spacing and typography
 */

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Background Colors */
    --bg-primary: #0a0e1a;
    --bg-secondary: #141824;
    --bg-tertiary: #1e2330;
    --bg-hover: #252b3d;
    --bg-active: #2d3548;

    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #9ca3af;
    --text-tertiary: #6b7280;
    --text-muted: #4b5563;

    /* Border Colors */
    --border-primary: #374151;
    --border-secondary: #2d3748;
    --border-hover: #4b5563;

    /* Brand Colors */
    --color-primary: #3b82f6;
    --color-primary-hover: #2563eb;
    --color-primary-light: rgba(59, 130, 246, 0.1);

    --color-success: #10b981;
    --color-success-hover: #059669;
    --color-success-light: rgba(16, 185, 129, 0.1);

    --color-warning: #f59e0b;
    --color-warning-hover: #d97706;
    --color-warning-light: rgba(245, 158, 11, 0.1);

    --color-danger: #ef4444;
    --color-danger-hover: #dc2626;
    --color-danger-light: rgba(239, 68, 68, 0.1);

    --color-info: #06b6d4;
    --color-info-hover: #0891b2;
    --color-info-light: rgba(6, 182, 212, 0.1);

    --color-purple: #8b5cf6;
    --color-purple-hover: #7c3aed;
    --color-purple-light: rgba(139, 92, 246, 0.1);

    /* Overlay Colors */
    --overlay-light: rgba(255, 255, 255, 0.05);
    --overlay-medium: rgba(255, 255, 255, 0.1);
    --overlay-heavy: rgba(0, 0, 0, 0.5);

    /* Typography */
    --font-sans: 'Google Sans', 'Roboto', 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Roboto Mono', 'Fira Code', 'Consolas', monospace;

    --text-xs: 11px;
    --text-sm: 13px;
    --text-base: 14px;
    --text-lg: 16px;
    --text-xl: 18px;
    --text-2xl: 22px;
    --text-3xl: 28px;

    --font-normal: 400;
    --font-medium: 500;
    --font-semibold: 600;
    --font-bold: 700;

    --leading-tight: 1.25;
    --leading-normal: 1.5;
    --leading-relaxed: 1.75;

    /* Spacing (4px grid) */
    --spacing-1: 4px;
    --spacing-2: 8px;
    --spacing-3: 12px;
    --spacing-4: 16px;
    --spacing-5: 20px;
    --spacing-6: 24px;
    --spacing-8: 32px;
    --spacing-10: 40px;
    --spacing-12: 48px;
    --spacing-16: 64px;

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --radius-xl: 12px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.5);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.6);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-normal: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ==================== BASE STYLES ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== NAVIGATION ==================== */

/* Top Navigation Bar */
.top-navbar {
    height: 64px;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-primary);
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-6);
    gap: var(--spacing-6);
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

.nav-hamburger {
    width: 24px;
    height: 24px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: var(--spacing-1);
    transition: transform var(--transition-normal);
}

.nav-hamburger:hover {
    transform: scale(1.1);
}

.nav-hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-secondary);
    transition: all var(--transition-normal);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    text-decoration: none;
    transition: opacity var(--transition-normal);
}

.nav-logo:hover {
    opacity: 0.8;
}

.nav-logo img {
    width: 24px;
    height: 24px;
}

.nav-logo-text {
    font-size: var(--text-2xl);
    color: var(--text-primary);
    font-weight: var(--font-normal);
}

.nav-product-name {
    font-size: var(--text-base);
    color: var(--text-secondary);
    padding-left: var(--spacing-4);
    border-left: 1px solid var(--border-primary);
}

/* Account Selector */
.nav-account-selector {
    flex: 1;
    max-width: 400px;
    position: relative;
}

.account-selector-btn {
    width: 100%;
    height: 40px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    padding: 0 var(--spacing-3);
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

.account-selector-btn:hover {
    background: var(--bg-hover);
    border-color: var(--border-hover);
}

.account-selector-btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.account-selector-btn .account-name {
    flex: 1;
    text-align: left;
    font-weight: var(--font-medium);
}

.account-selector-btn .dropdown-arrow {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    transition: transform var(--transition-normal);
}

.account-selector-btn.open .dropdown-arrow {
    transform: rotate(180deg);
}

/* Account Dropdown */
.account-dropdown {
    position: absolute;
    top: 48px;
    left: 0;
    width: 100%;
    max-width: 500px;
    max-height: 600px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    display: none;
    flex-direction: column;
    z-index: 1001;
}

.account-dropdown.open {
    display: flex;
}

.dropdown-search {
    padding: var(--spacing-3);
    border-bottom: 1px solid var(--border-primary);
    flex-shrink: 0;
}

.dropdown-search input {
    width: 100%;
    height: 36px;
    padding: 0 var(--spacing-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    font-size: var(--text-base);
    color: var(--text-primary);
    transition: all var(--transition-normal);
}

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

.dropdown-search input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.dropdown-tree {
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-2) 0;
    flex-shrink: 1;
}

/* Scrollbar styling */
.dropdown-tree::-webkit-scrollbar {
    width: 8px;
}

.dropdown-tree::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

.dropdown-tree::-webkit-scrollbar-thumb {
    background: var(--border-primary);
    border-radius: var(--radius-sm);
}

.dropdown-tree::-webkit-scrollbar-thumb:hover {
    background: var(--border-hover);
}

.tree-item {
    padding: var(--spacing-2) var(--spacing-4);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--text-base);
    transition: background var(--transition-fast);
}

.tree-item:hover {
    background: var(--bg-hover);
}

.tree-item.mcc {
    background: var(--color-primary-light);
    font-weight: var(--font-medium);
    color: var(--color-primary);
}

.tree-item.mcc:hover {
    background: rgba(59, 130, 246, 0.15);
}

.tree-item.selected {
    background: var(--color-success-light);
    color: var(--color-success);
}

.tree-item .expand-icon {
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--text-secondary);
    cursor: pointer;
}

.tree-item .expand-icon.empty {
    visibility: hidden;
}

.tree-item .account-icon {
    width: 20px;
    font-size: 16px;
}

.tree-item .account-label {
    flex: 1;
}

.tree-item .account-id {
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

.tree-item.level-1 {
    padding-left: 40px;
}

.tree-item.level-2 {
    padding-left: 64px;
}

.tree-item.level-3 {
    padding-left: 88px;
}

.tree-item.level-4 {
    padding-left: 112px;
}

.tree-favorite {
    font-size: var(--text-base);
    margin-left: var(--spacing-1);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Nav Icons */
.nav-icons {
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
    margin-left: auto;
}

.nav-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
}

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

.nav-icon:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* User Dropdown */
.nav-user {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-2) var(--spacing-4);
    padding-left: var(--spacing-4);
    border-left: 1px solid var(--border-primary);
    position: relative;
    cursor: pointer;
    border-radius: var(--radius-md);
    transition: background var(--transition-normal);
}

.nav-user:hover {
    background: var(--bg-hover);
}

.nav-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: var(--color-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--text-base);
    font-weight: var(--font-medium);
}

.nav-user-info {
    display: flex;
    flex-direction: column;
}

.nav-user-email {
    font-size: var(--text-sm);
    color: var(--text-primary);
}

.nav-user-status {
    font-size: var(--text-xs);
    color: var(--text-tertiary);
}

.user-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-2);
    width: 280px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: 1002;
    overflow: hidden;
}

.user-dropdown-header {
    padding: var(--spacing-4);
    border-bottom: 1px solid var(--border-primary);
    background: var(--bg-tertiary);
}

.user-dropdown-header .user-name {
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.user-dropdown-header .user-email {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.user-dropdown-menu {
    padding: var(--spacing-2) 0;
}

.user-dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--text-base);
    color: var(--text-primary);
    text-decoration: none;
    transition: background var(--transition-fast);
    cursor: pointer;
}

.user-dropdown-item:hover {
    background: var(--bg-hover);
}

.user-dropdown-item .icon {
    font-size: var(--text-lg);
    width: 24px;
    text-align: center;
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border-primary);
    margin: var(--spacing-2) 0;
}

.user-dropdown-item.logout {
    color: var(--color-danger);
}

.user-dropdown-item.logout:hover {
    background: var(--color-danger-light);
}

/* ==================== SIDEBAR ==================== */

/* Left Sidebar */
.left-sidebar {
    position: fixed;
    top: 64px;
    left: 0;
    width: 72px;
    height: calc(100vh - 64px);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    transition: width var(--transition-slow);
    z-index: 900;
    overflow: hidden;
}

.sidebar-item {
    height: 72px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-1);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-normal);
    border-left: 3px solid transparent;
    text-decoration: none;
}

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

.sidebar-item.active {
    color: var(--color-primary);
    background: var(--color-primary-light);
    border-left-color: var(--color-primary);
}

.sidebar-item-icon {
    font-size: 24px;
}

.sidebar-item-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
}

/* Secondary Sidebar (Submenu) */
.secondary-sidebar {
    position: fixed;
    top: 64px;
    left: 72px;
    width: 256px;
    height: calc(100vh - 64px);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-primary);
    transition: transform var(--transition-slow);
    z-index: 800;
    overflow-y: auto;
}

.secondary-sidebar.hidden {
    transform: translateX(-256px);
}

.submenu-header {
    padding: var(--spacing-5) var(--spacing-6);
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-primary);
}

.submenu-item {
    padding: var(--spacing-3) var(--spacing-6);
    cursor: pointer;
    font-size: var(--text-base);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    text-decoration: none;
}

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

.submenu-item.active {
    background: var(--color-primary-light);
    color: var(--color-primary);
    font-weight: var(--font-medium);
}

/* ==================== MAIN CONTENT ==================== */

.main-content {
    margin-top: 64px;
    margin-left: 72px;
    padding: var(--spacing-6);
    min-height: calc(100vh - 64px);
    transition: margin-left var(--transition-slow);
}

.main-content.with-submenu {
    margin-left: 328px;
}

/* Page Header */
.page-header {
    margin-bottom: var(--spacing-6);
}

.page-title {
    font-size: var(--text-3xl);
    font-weight: var(--font-normal);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.page-subtitle {
    font-size: var(--text-base);
    color: var(--text-secondary);
}

/* ==================== CARDS ==================== */

.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    margin-bottom: var(--spacing-4);
    box-shadow: var(--shadow-sm);
    transition: box-shadow var(--transition-normal);
}

.card:hover {
    box-shadow: var(--shadow-md);
}

.card-header {
    padding: var(--spacing-4) var(--spacing-6);
    margin: calc(-1 * var(--spacing-6)) calc(-1 * var(--spacing-6)) var(--spacing-6) calc(-1 * var(--spacing-6));
    background: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-primary);
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.card-header h2,
.card-header h3 {
    margin: 0;
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.card-body {
    padding: 0;
}

/* ==================== BUTTONS ==================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: var(--leading-normal);
    text-align: center;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    background: transparent;
    color: var(--text-primary);
    gap: var(--spacing-2);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

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

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

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

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

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

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

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

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

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

.btn-warning:hover {
    background: var(--color-warning-hover);
    border-color: var(--color-warning-hover);
}

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

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

.btn-sm {
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--text-lg);
}

/* ==================== BADGES ==================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    line-height: 1;
    text-align: center;
    white-space: nowrap;
    border-radius: var(--radius-sm);
}

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

.badge-success {
    background: var(--color-success-light);
    color: var(--color-success);
}

.badge-warning {
    background: var(--color-warning-light);
    color: var(--color-warning);
}

.badge-danger {
    background: var(--color-danger-light);
    color: var(--color-danger);
}

.badge-secondary {
    background: var(--bg-tertiary);
    color: var(--text-secondary);
}

.badge-purple {
    background: var(--color-purple-light);
    color: var(--color-purple);
}

.badge-blue {
    background: var(--color-primary-light);
    color: var(--color-primary);
}

/* ==================== FORMS ==================== */

.form-group {
    margin-bottom: var(--spacing-6);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-primary);
}

.form-control {
    display: block;
    width: 100%;
    padding: 10px var(--spacing-3);
    font-size: var(--text-base);
    line-height: var(--leading-normal);
    color: var(--text-primary);
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-md);
    transition: all var(--transition-normal);
}

.form-control:hover {
    border-color: var(--border-hover);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

.form-control::placeholder {
    color: var(--text-muted);
}

.form-text {
    display: block;
    margin-top: var(--spacing-2);
    font-size: var(--text-sm);
    color: var(--text-tertiary);
}

/* Custom Controls */
.custom-control {
    position: relative;
    display: block;
    min-height: 24px;
    padding-left: 28px;
}

.custom-control-input {
    position: absolute;
    left: 0;
    z-index: -1;
    width: 20px;
    height: 20px;
    opacity: 0;
}

.custom-control-label {
    position: relative;
    margin-bottom: 0;
    vertical-align: top;
    cursor: pointer;
    font-weight: var(--font-normal);
}

.custom-control-label::before {
    position: absolute;
    top: 2px;
    left: -28px;
    display: block;
    width: 20px;
    height: 20px;
    pointer-events: none;
    content: "";
    background-color: var(--bg-tertiary);
    border: 2px solid var(--border-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.custom-control-label::after {
    position: absolute;
    top: 2px;
    left: -28px;
    display: block;
    width: 20px;
    height: 20px;
    content: "";
    background: no-repeat 50% / 12px 12px;
}

.custom-checkbox .custom-control-input:checked ~ .custom-control-label::before {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.custom-checkbox .custom-control-input:checked ~ .custom-control-label::after {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3e%3cpath fill='%23fff' d='M10.28 2.28L3.989 8.575 1.695 6.28A1 1 0 00.28 7.695l3 3a1 1 0 001.414 0l7-7A1 1 0 0010.28 2.28z'/%3e%3c/svg%3e");
}

.custom-control-input:focus ~ .custom-control-label::before {
    box-shadow: 0 0 0 3px var(--color-primary-light);
}

/* Form Actions */
.form-actions {
    display: flex;
    gap: var(--spacing-3);
    margin-top: var(--spacing-8);
    padding-top: var(--spacing-6);
    border-top: 1px solid var(--border-primary);
}

/* ==================== ALERTS ==================== */

.alert {
    position: relative;
    padding: var(--spacing-4);
    margin-bottom: var(--spacing-4);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: var(--text-base);
}

.alert-info {
    color: var(--color-info);
    background-color: var(--color-info-light);
    border-color: var(--color-info);
}

.alert-success {
    color: var(--color-success);
    background-color: var(--color-success-light);
    border-color: var(--color-success);
}

.alert-warning {
    color: var(--color-warning);
    background-color: var(--color-warning-light);
    border-color: var(--color-warning);
}

.alert-danger {
    color: var(--color-danger);
    background-color: var(--color-danger-light);
    border-color: var(--color-danger);
}

/* ==================== GRID SYSTEM ==================== */

.row {
    display: flex;
    flex-wrap: wrap;
    margin: 0 calc(-1 * var(--spacing-3));
}

.col-md-4 {
    flex: 0 0 33.333333%;
    max-width: 33.333333%;
    padding: 0 var(--spacing-3);
}

.col-md-6 {
    flex: 0 0 50%;
    max-width: 50%;
    padding: 0 var(--spacing-3);
}

.col-md-8 {
    flex: 0 0 66.666667%;
    max-width: 66.666667%;
    padding: 0 var(--spacing-3);
}

.col-md-12 {
    flex: 0 0 100%;
    max-width: 100%;
    padding: 0 var(--spacing-3);
}

@media (max-width: 768px) {
    .col-md-4,
    .col-md-6,
    .col-md-8,
    .col-md-12 {
        flex: 0 0 100%;
        max-width: 100%;
    }
}

/* ==================== UTILITIES ==================== */

/* Spacing utilities */
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-3 { margin-bottom: var(--spacing-3); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-8 { margin-top: var(--spacing-8); }

/* Text utilities */
.text-muted { color: var(--text-tertiary); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }

/* Definition Lists */
dl {
    margin-bottom: 0;
}

dt {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-1);
    margin-top: var(--spacing-4);
}

dt:first-child {
    margin-top: 0;
}

dd {
    font-size: var(--text-base);
    color: var(--text-primary);
    margin-bottom: 0;
    margin-left: 0;
}

dd code {
    background: var(--bg-tertiary);
    padding: 2px var(--spacing-2);
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
}

hr {
    border: 0;
    border-top: 1px solid var(--border-primary);
    margin: var(--spacing-6) 0;
}

/* Alpine.js cloak */
[x-cloak] {
    display: none !important;
}

/* Favorite button - prevent jump on toggle */
.favorite-btn {
    min-width: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-1) var(--spacing-2);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 16px;
    transition: transform var(--transition-fast);
}

.favorite-btn:hover {
    transform: scale(1.2);
}

/* ==================== DASHBOARD SPECIFIC ==================== */

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-4);
    margin-bottom: var(--spacing-4);
}

.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    display: flex;
    align-items: center;
    gap: var(--spacing-4);
}

.stat-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

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

.stat-content {
    flex: 1;
}

.stat-value {
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--text-primary);
    margin-bottom: var(--spacing-1);
}

.stat-label {
    font-size: var(--text-sm);
    color: var(--text-secondary);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-4);
}

.dashboard-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: var(--radius-lg);
    padding: var(--spacing-6);
    text-align: center;
    transition: all var(--transition-normal);
}

.dashboard-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary);
}

.dashboard-card .card-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-4);
}

.dashboard-card h3 {
    font-size: var(--text-xl);
    font-weight: var(--font-medium);
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.dashboard-card p {
    font-size: var(--text-sm);
    color: var(--text-secondary);
    margin-bottom: var(--spacing-4);
}

/* ==================== TABLES ==================== */

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

th {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    font-weight: var(--font-medium);
    padding: var(--spacing-3) var(--spacing-4);
    text-align: left;
    border-bottom: 2px solid var(--border-primary);
}

td {
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-secondary);
}

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

/* ==================== ACCESSIBILITY ==================== */

/* Focus visible styles */
*:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Reduced motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}