/* =============================================
   CTK Framework - Supabase-Style Design System
   ============================================= */

:root {
    --supabase-green: #10b981;
    --supabase-green-dark: #059669;
    --supabase-green-soft: #ecfdf5;
    --bg-primary: #ffffff;
    --bg-secondary: #f1f5f9;
    --sidebar-bg: #ffffff;
    --border-color: #cbd5e1;
    --border-color-subtle: #e2e8f0;
    --border-color-strong: #94a3b8;
    --text-primary: #0f172a;
    --text-secondary: #334155;
    --text-muted: #64748b;
    --accent-gray: #e2e8f0;
    --active-bg: #f1f5f9;
    --danger-color: #ef4444;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --header-height: 48px;
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.08), 0 1px 2px -1px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 12px -2px rgba(0, 0, 0, 0.12), 0 2px 6px -1px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 10px 25px -5px rgba(0, 0, 0, 0.15), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --card-shadow: 0 2px 8px 0 rgba(15, 23, 42, 0.08), 0 1px 3px 0 rgba(15, 23, 42, 0.04);
    --transition: all 0.2s ease;
}

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

html, body {
    background-color: var(--bg-primary) !important;
    color: var(--text-primary);
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-family);
    height: 100vh;
    overflow: hidden;
    font-size: 13px;
    line-height: 1.45;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

a {
    text-decoration: none;
    color: inherit;
}

/* ===================== APP CONTAINER ===================== */
.app-container {
    display: flex;
    flex-direction: column;
    height: 100vh;
}

/* ===================== TOP NAVIGATION ===================== */
.top-nav {
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 16px;
    background-color: var(--bg-primary);
    z-index: 100;
    flex-shrink: 0;
}

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

.logo svg {
    width: 24px;
    height: 24px;
}

.logo {
    display: flex;
    align-items: center;
    cursor: pointer;
}

.breadcrumbs {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.breadcrumb-item {
    color: var(--text-muted);
    user-select: none;
}

.breadcrumb-pill {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
}

.breadcrumb-pill:hover {
    background-color: var(--accent-gray);
}

.active-crumb {
    color: var(--text-primary);
}

.pill-text {
    font-weight: 500;
}

.chevron-icon {
    width: 14px;
    height: 14px;
    color: var(--text-muted);
}

.badge {
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    margin-left: 4px;
}

.badge.gray {
    background-color: #f3f4f6;
    color: #4b5563;
}

.badge.orange {
    background-color: #fff7ed;
    color: #c2410c;
    border: 1px solid #fed7aa;
}

.badge.green {
    background-color: var(--supabase-green-soft);
    color: var(--supabase-green-dark);
}

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

.nav-link {
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    transition: var(--transition);
}

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

/* Search Bar */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: var(--radius-md);
    width: 200px;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: text;
    transition: var(--transition);
}

.search-bar:hover {
    border-color: #d1d5db;
}

.search-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* Search Input Wrapper with Integrated Search Icon */
.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    width: 100%;
}

.search-input-wrapper .search-icon,
.search-input-wrapper svg,
.search-input-wrapper i[data-lucide="search"] {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    color: var(--text-muted, #64748b);
    pointer-events: none;
    z-index: 2;
}

.search-input-wrapper input.search-input,
.search-input-wrapper input.form-control {
    padding-left: 36px !important;
    height: 34px;
    font-size: 12.5px;
    width: 100%;
    border: 1px solid var(--border-color, #cbd5e1);
    border-radius: var(--radius-md, 6px);
}

.kbd {
    background-color: white;
    border: 1px solid var(--border-color);
    padding: 1px 5px;
    border-radius: var(--radius-sm);
    font-size: 10px;
    margin-left: auto;
    color: var(--text-muted);
    font-family: inherit;
}

/* Nav Icons */
.nav-icons {
    display: flex;
    align-items: center;
    gap: 8px;
}

.icon-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: 6px;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-btn:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.icon-btn svg {
    width: 18px;
    height: 18px;
}

.row-actions {
    display: inline-flex;
    flex-direction: row;
    align-items: center;
    justify-content: flex-end;
    gap: 6px;
    flex-wrap: nowrap;
    white-space: nowrap;
}

.row-actions form {
    display: inline-flex;
    margin: 0;
    padding: 0;
}

.notification-btn {
    position: relative;
}

.dot {
    position: absolute;
    top: 5px;
    right: 5px;
    width: 6px;
    height: 6px;
    background-color: var(--danger-color);
    border-radius: 50%;
    border: 1px solid var(--bg-primary);
}

/* User Avatar & Dropdown */
.user-dropdown-wrapper {
    position: relative;
}

.user-avatar {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #1f2937, #374151);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    letter-spacing: 0.5px;
}

.user-avatar:hover {
    box-shadow: 0 0 0 2px var(--supabase-green);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 240px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.15s ease;
    z-index: 200;
    overflow: hidden;
}

.user-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-header {
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.dropdown-name {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.dropdown-email {
    font-size: 12px;
    color: var(--text-secondary);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--border-color);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 14px;
    font-size: 13px;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-family: var(--font-family);
}

.dropdown-item:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

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

.dropdown-danger:hover {
    background-color: #fef2f2;
    color: var(--danger-color);
}

/* ===================== CONTENT LAYOUT ===================== */
.content-wrapper {
    display: flex;
    flex: 1;
    height: calc(100vh - var(--header-height));
    overflow: hidden;
}

/* ===================== PRIMARY RAIL (Icon-based Navigator) ===================== */
.primary-rail {
    width: 58px;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    padding: 10px 0;
    flex-shrink: 0;
    z-index: 101;
}

.rail-nav {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    height: 100%;
}

.rail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    width: 44px;
    height: 44px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: pointer;
    text-align: center;
}

.rail-item:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.rail-item.active {
    background-color: var(--supabase-green-soft);
    color: var(--supabase-green-dark);
}

.rail-item svg {
    width: 18px;
    height: 18px;
}

.rail-label {
    font-size: 8.5px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.rail-divider {
    width: 28px;
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 0;
}

.rail-spacer {
    flex: 1;
}

/* ===================== SECONDARY SIDEBAR (Dynamic) ===================== */
.secondary-sidebar {
    width: 220px;
    border-right: 1px solid var(--border-color);
    background-color: var(--bg-primary);
    overflow-y: auto;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 14px 14px 8px;
    flex-shrink: 0;
}

.sidebar-header h2 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-content {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.menu-section {
    padding: 8px 0 4px;
}

.menu-section h3 {
    font-size: 10.5px;
    font-weight: 600;
    color: var(--text-muted);
    padding: 0 14px 6px;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.menu-section ul {
    list-style: none;
}

.menu-section li a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 14px;
    font-size: 12.5px;
    color: var(--text-secondary);
    transition: var(--transition);
    border-left: 2px solid transparent;
}

.menu-section li a:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.menu-section li.active-link a {
    background-color: var(--supabase-green-soft);
    color: var(--supabase-green-dark);
    border-left-color: var(--supabase-green);
    font-weight: 500;
}

.menu-section li a svg {
    width: 15px;
    height: 15px;
    flex-shrink: 0;
}

.menu-section-bottom {
    margin-top: auto;
    border-top: 1px solid var(--border-color);
    padding-top: 10px;
}

.sidebar-empty {
    padding: 14px;
    text-align: center;
}

.sidebar-empty p {
    font-size: 11.5px;
    color: var(--text-muted);
}

/* ===================== MAIN CONTENT AREA ===================== */
.main-content {
    flex: 1;
    background-color: var(--bg-secondary);
    padding: 20px 28px;
    overflow-y: auto;
}

/* ===================== UNIFIED CTK CARD CONTAINER & PAGE HEADER ===================== */
.ctk-card-container,
.ctk-unified-card,
.page-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color, #cbd5e1);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 18px;
    box-shadow: var(--card-shadow);
}

/* Header inside Unified Card Container (with Line Divider) */
.ctk-card-container .page-header,
.ctk-unified-card .page-header,
.page-card .page-header,
.ctk-card-container .content-header,
.ctk-unified-card .content-header,
.page-card .content-header {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid var(--border-color, #cbd5e1);
    border-radius: 0;
    padding: 0 0 20px 0;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    box-shadow: none;
}

/* Seamless inner components inside Unified Card Container */
.ctk-card-container .toolbar,
.ctk-unified-card .toolbar,
.page-card .toolbar {
    margin-bottom: 20px;
}

.ctk-card-container .table-container,
.ctk-unified-card .table-container,
.page-card .table-container {
    border: 1px solid var(--border-color, #cbd5e1);
    border-radius: 8px;
    overflow: hidden;
    background: #ffffff;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(15, 23, 42, 0.05);
}

.ctk-card-container .pagination-container,
.ctk-unified-card .pagination-container,
.page-card .pagination-container {
    margin-top: 16px;
    margin-bottom: 0;
    padding-top: 4px;
}

/* Standalone Header (when outside unified container) */
.page-header,
.ctk-page-header,
.content-header {
    background-color: #ffffff;
    border: 1px solid var(--border-color, #cbd5e1);
    border-radius: var(--radius-lg, 10px);
    padding: 14px 18px;
    margin-bottom: 18px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    box-shadow: var(--card-shadow);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
}

.header-icon {
    width: 38px;
    height: 38px;
    background-color: var(--supabase-green-soft, #ecfdf5);
    color: var(--supabase-green-dark, #059669);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg, 8px);
    border: 1px solid rgba(62, 207, 142, 0.2);
    flex-shrink: 0;
}

.header-icon svg {
    width: 20px;
    height: 20px;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    flex-shrink: 0;
}

.page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary, #0f172a);
    margin: 0;
    line-height: 1.3;
}

.page-subtitle {
    font-size: 12.5px;
    color: var(--text-secondary, #64748b);
    margin-top: 2px;
    margin-bottom: 0;
    line-height: 1.4;
}

@media (max-width: 768px) {
    .page-header,
    .ctk-page-header,
    .content-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
    }

    .ctk-card-container,
    .ctk-unified-card,
    .page-card {
        padding: 14px;
    }

    .header-left {
        width: 100%;
    }

    .header-actions {
        width: 100%;
        justify-content: flex-start;
        gap: 8px;
    }
}

/* ===================== TOOLBAR ===================== */
.toolbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.toolbar-left {
    display: flex;
    align-items: center;
    gap: 8px;
}

.toolbar-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.schema-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 12.5px;
    cursor: pointer;
    background: var(--bg-primary);
    transition: var(--transition);
}

.schema-selector:hover {
    border-color: #d1d5db;
}

.schema-selector .label {
    color: var(--text-secondary);
}

.schema-selector .value {
    font-weight: 500;
}

.filter-btn {
    padding: 6px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    color: var(--text-secondary);
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.table-search {
    position: relative;
    width: 260px;
}

.table-search .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    width: 15px;
    height: 15px;
    color: var(--text-secondary);
}

.table-search input {
    width: 100%;
    padding: 6px 10px 6px 32px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 12.5px;
    outline: none;
    transition: var(--transition);
    font-family: var(--font-family);
    background: var(--bg-primary);
}

.table-search input:focus {
    border-color: var(--supabase-green);
    box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.12);
}

/* ===================== BUTTONS ===================== */
.primary-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--supabase-green);
    color: white;
    border: none;
    padding: 6px 13px;
    border-radius: var(--radius-md);
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.primary-btn:hover {
    background-color: var(--supabase-green-dark);
}

.secondary-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 6px 13px;
    border-radius: var(--radius-md);
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.secondary-btn:hover {
    background-color: var(--accent-gray);
}

.danger-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: var(--danger-color);
    color: white;
    border: none;
    padding: 6px 13px;
    border-radius: var(--radius-md);
    font-size: 12.5px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.danger-btn:hover {
    background-color: #dc2626;
}

/* ===================== TABLE CONTAINER ===================== */
.table-container {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--bg-primary);
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 3fr 1fr 1fr 1.5fr;
    padding: 8px 16px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
    letter-spacing: 0.05em;
}

.empty-state {
    padding: 64px 16px;
    text-align: center;
    background-color: var(--bg-primary);
}

.empty-state h3 {
    font-size: 15px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

/* ===================== CARDS ===================== */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    transition: var(--transition);
}

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

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

.card-title {
    font-size: 15px;
    font-weight: 600;
}

/* ===================== AUTH CONTAINER ===================== */
.auth-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background-color: #f9fafb; /* Light Gray */
    padding: 20px;
    overflow: auto;
}

.auth-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

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

.auth-card .logo svg {
    width: 40px;
    height: 40px;
}

.auth-card h1 {
    font-size: 22px;
    font-weight: 600;
    text-align: center;
    margin-bottom: 8px;
}

.auth-card p.subtitle {
    font-size: 14px;
    color: var(--text-secondary);
    text-align: center;
    margin-bottom: 28px;
}

/* ===================== FORM ELEMENTS ===================== */
.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    font-size: 12.5px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.form-control {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-family: var(--font-family);
    color: var(--text-primary);
    transition: var(--transition);
    background: var(--bg-primary);
}

.form-control:focus {
    outline: none;
    border-color: var(--supabase-green);
    box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.12);
}

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

.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
}

.form-check label {
    font-size: 12.5px;
    color: var(--text-secondary);
    cursor: pointer;
}

.btn-submit {
    width: 100%;
    padding: 8px 12px;
    background-color: var(--supabase-green);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-family);
}

.btn-submit:hover {
    background-color: var(--supabase-green-dark);
}

.validation-summary {
    background: #fef2f2;
    border: 1px solid #fecaca;
    border-radius: var(--radius-md);
    padding: 12px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--danger-color);
}

.field-validation-error,
.text-danger,
.invalid-feedback,
.qc-field-error {
    font-size: 12px;
    color: #dc2626 !important;
    font-weight: 500;
    margin-top: 4px;
    display: block;
}

.form-label .text-danger,
label .text-danger,
.required-star,
span.required-star {
    display: inline !important;
    margin-top: 0 !important;
    color: #dc2626 !important;
    font-weight: 600;
    margin-left: 2px;
}

/* Flex Input Group Utility */
.input-group {
    position: relative;
    display: flex;
    align-items: stretch;
    width: 100%;
}

.input-group > .input-group-text {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 12px;
    font-size: 13px;
    color: var(--text-secondary, #6b7280);
    background-color: var(--bg-secondary, #f9fafb);
    border: 1px solid var(--border-color, #e5e7eb);
    border-right: none;
    border-top-left-radius: var(--radius-md, 6px);
    border-bottom-left-radius: var(--radius-md, 6px);
}

.input-group > .form-control {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
    min-width: 0;
    border-top-left-radius: 0 !important;
    border-bottom-left-radius: 0 !important;
}

/* ===================== UTILITIES ===================== */
.small-icon {
    width: 14px !important;
    height: 14px !important;
}

.text-muted {
    color: var(--text-secondary);
}

.text-center {
    text-align: center;
}

.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mb-2 { margin-bottom: 8px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.gap-4 { gap: 16px; }

.d-flex {
    display: flex;
}

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

.flex-row {
    flex-direction: row;
}

.flex-1 {
    flex: 1;
}

.align-center, .align-items-center {
    align-items: center;
}

.justify-between, .justify-content-between {
    justify-content: space-between;
}

.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }

/* Form Utilities */
.card-form {
    padding: 32px !important;
    max-width: 900px;
}

.form-section {
    margin-bottom: 22px;
}

.form-section-title {
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 14px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-color);
}

.form-row {
    display: flex;
    gap: 14px;
    margin-bottom: 12px;
}

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

.input-icon {
    position: absolute;
    left: 12px;
    width: 18px;
    height: 18px;
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 24px;
    border-top: 1px solid var(--border-color);
    margin-top: 8px;
}

.btn-outline-danger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background-color: transparent;
    color: var(--danger-color);
    border: 1px solid #fecaca;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.btn-outline-danger:hover {
    background-color: #fef2f2;
    border-color: #fca5a5;
}

/* ===================== SCROLLBAR ===================== */
.secondary-sidebar::-webkit-scrollbar,
.main-content::-webkit-scrollbar {
    width: 6px;
}

.secondary-sidebar::-webkit-scrollbar-track,
.main-content::-webkit-scrollbar-track {
    background: transparent;
}

.secondary-sidebar::-webkit-scrollbar-thumb,
.main-content::-webkit-scrollbar-thumb {
    background-color: #d1d5db;
    border-radius: 3px;
}

.secondary-sidebar::-webkit-scrollbar-thumb:hover,
.main-content::-webkit-scrollbar-thumb:hover {
    background-color: var(--text-muted);
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    .primary-sidebar {
        display: none;
    }

    .secondary-sidebar {
        width: 200px;
    }

    .main-content {
        padding: 20px 16px;
    }

    .breadcrumbs {
        display: none;
    }

    .search-bar {
        display: none;
    }
}

@media (max-width: 480px) {
    .secondary-sidebar {
        display: none;
    }

    .top-nav {
        padding: 0 12px;
    }
}

/* ===================== DATA TABLE & GRID TABLE ===================== */
.data-table, .grid-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table thead tr, .grid-table thead tr {
    background-color: #f8fafc;
    border-bottom: 2px solid var(--border-color);
}

.data-table thead th, .grid-table thead th {
    font-size: 10.5px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 0.05em;
    padding: 8px 12px;
    text-align: left;
    text-transform: uppercase;
}

.data-table tbody tr, .grid-table tbody tr {
    border-bottom: 1px solid var(--border-color-subtle, #e2e8f0);
    transition: var(--transition);
}

.data-table tbody tr:hover, .grid-table tbody tr:hover {
    background-color: #f1f5f9;
}

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

.data-table tbody td, .grid-table tbody td {
    padding: 8px 12px;
    font-size: 12.5px;
    color: var(--text-primary);
    vertical-align: middle;
}

/* User Cell */
.user-cell {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-cell-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

.user-cell-info {
    display: flex;
    flex-direction: column;
    gap: 1px;
}

.user-cell-name {
    font-weight: 500;
    font-size: 12.5px;
    color: var(--text-primary);
}

.user-cell-email {
    font-size: 11.5px;
    color: var(--text-secondary);
}

/* Role Badge */
.role-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 7px;
    border-radius: 10px;
    font-size: 10.5px;
    font-weight: 500;
    background-color: #ede9fe;
    color: #6d28d9;
    margin-right: 4px;
    margin-bottom: 2px;
}

/* Status Badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 2px 8px;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 500;
}

.status-badge.active {
    background-color: var(--supabase-green-soft);
    color: var(--supabase-green-dark);
}

.status-badge.inactive {
    background-color: #fef2f2;
    color: #dc2626;
}

.status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.status-dot.active {
    background-color: var(--supabase-green);
}

.status-dot.inactive {
    background-color: #ef4444;
}

/* Action Buttons */
.action-buttons {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: flex-end;
}

.action-btn {
    padding: 6px;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    background: transparent;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    color: var(--text-secondary);
}

.action-btn:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.action-btn.edit:hover {
    border-color: #6366f1;
    color: #6366f1;
    background-color: #eef2ff;
}

.action-btn.deactivate:hover {
    border-color: var(--danger-color);
    color: var(--danger-color);
    background-color: #fef2f2;
}

.action-btn.activate:hover {
    border-color: var(--supabase-green);
    color: var(--supabase-green-dark);
    background-color: var(--supabase-green-soft);
}

/* ===================== PAGINATION ===================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 20px;
    padding: 12px 0;
}

.pagination-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 6px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    background: var(--bg-primary);
    transition: var(--transition);
    text-decoration: none;
}

.pagination-btn:hover:not(.disabled) {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.pagination-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.pagination-pages {
    display: flex;
    align-items: center;
    gap: 4px;
}

.pagination-page {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition);
    text-decoration: none;
}

.pagination-page:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.pagination-page.active {
    background-color: var(--supabase-green);
    color: white;
}

/* ===================== FORM CARD ===================== */
.form-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0;
}

.form-section {
    padding: 24px 28px;
    border-bottom: 1px solid var(--border-color);
}

.form-section:last-of-type {
    border-bottom: none;
}

.form-section-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 4px;
}

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

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 16px 28px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    font-size: 13px;
    transition: var(--transition);
    background: var(--bg-primary);
}

.checkbox-label:hover {
    border-color: var(--supabase-green);
    background-color: var(--supabase-green-soft);
}

.checkbox-label input[type="checkbox"] {
    accent-color: var(--supabase-green);
}

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

/* Toggle Switch */
.toggle-switch {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
}

.toggle-switch input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    width: 40px;
    height: 22px;
    background-color: #d1d5db;
    border-radius: 22px;
    position: relative;
    transition: var(--transition);
}

.toggle-slider::after {
    content: "";
    position: absolute;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: white;
    top: 3px;
    left: 3px;
    transition: var(--transition);
    box-shadow: 0 1px 2px rgba(0,0,0,0.15);
}

.toggle-switch input:checked ~ .toggle-slider {
    background-color: var(--supabase-green);
}

.toggle-switch input:checked ~ .toggle-slider::after {
    left: calc(100% - 19px);
}

.toggle-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

/* Info Block */
.info-block {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.info-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.info-label {
    color: var(--text-secondary);
    font-weight: 400;
}

.info-value {
    color: var(--text-primary);
    font-weight: 500;
}

/* Back Button */
.back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    transition: var(--transition);
    flex-shrink: 0;
}

.back-btn:hover {
    background-color: var(--accent-gray);
    color: var(--text-primary);
}

.back-btn svg {
    width: 18px;
    height: 18px;
}

/* Alert Success */
.alert-success {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border: 1px solid #a7f3d0;
    background-color: #ecfdf5;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: var(--supabase-green-dark);
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

.alert-close {
    margin-left: auto;
    background: transparent;
    border: none;
    color: var(--supabase-green-dark);
    cursor: pointer;
    padding: 2px;
    display: flex;
    align-items: center;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Layout Utilities Manager */
.relative { position: relative; }
.absolute { position: absolute; }
.top-1\/2 { top: 50%; }
.left-3 { left: 12px; }
.-translate-y-1\/2 { transform: translateY(-50%); }
.pl-10 { padding-left: 40px !important; }
.w-full { width: 100%; }
.mt-1 { margin-top: 4px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.text-xs { font-size: 11px; }
.text-3xl { font-size: 30px; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-center { text-align: center; }
.d-inline-block { display: inline-block; }
.p-4 { padding: 16px; }
.rounded-full { border-radius: 9999px; }
.bg-green-100 { background-color: #dcfce7; }
.text-green-700 { color: #15803d; }
.bg-blue-100 { background-color: #dbeafe; }
.text-blue-800 { color: #1e40af; }
.shadow-xl { box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04); }
.border-t-4 { border-top-width: 4px; }
.border-t-blue-500 { border-top-color: #3b82f6; }
.grid { display: grid; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.gap-4 { gap: 16px; }
.bg-green-600 { background-color: #16a34a; }
.bg-green-600:hover { background-color: #15803d; }
.text-gray-900 { color: #111827; }
.text-gray-500 { color: #6b7280; }
.text-gray-400 { color: #9ca3af; }
.pt-8 { padding-top: 32px; }
.text-error { color: #ef4444; }

/* Avatar Styles */
.avatar-sm {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, #6366f1, #8b5cf6);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    font-weight: 600;
    flex-shrink: 0;
    letter-spacing: 0.5px;
}

/* More Layout Utilities */
.pl-9 { padding-left: 36px !important; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-blue-50 { background-color: #eff6ff; }
.text-blue-600 { color: #2563eb; }
.text-xs { font-size: 11px; }
.tracking-wider { letter-spacing: 0.05em; }
.uppercase { text-transform: uppercase; }
.w-4 { width: 16px; }
.h-4 { height: 16px; }
.w-5 { width: 20px; }
.h-5 { height: 20px; }
.w-9 { width: 36px; }
.h-9 { height: 36px; }
.w-10 { width: 40px; }
.h-10 { height: 40px; }
.gap-1\.5 { gap: 6px; }
.gap-3 { gap: 12px; }
.flex-col { flex-direction: column; }
.flex-grow { flex-grow: 1; }
.divide-y > * + * { border-top-width: 1px; }
.divide-gray-100 > * + * { border-color: #f3f4f6; }
.p-5 { padding: 20px; }
.shadow-none { box-shadow: none !important; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05); }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; border-bottom-color: #f3f4f6; }
.py-0\.5 { padding-top: 2px; padding-bottom: 2px; }
.text-gray-300 { color: #d1d5db; }
.text-gray-600 { color: #4b5563; }
.text-indigo-600 { color: #4f46e5; }
.text-indigo-700 { color: #4338ca; }
.bg-indigo-100 { background-color: #e0e7ff; }
.px-1\.5 { padding-left: 6px; padding-right: 6px; }
.tracking-tight { letter-spacing: -0.025em; }
.align-end { align-items: flex-end; }
.justify-between { justify-content: space-between; }
.flex-1 { flex: 1; }
.mr-3 { margin-right: 12px; }
.ml-2 { margin-left: 8px; }
.border-error { border-color: #ef4444 !important; }
.border-top { border-top: 1px solid var(--border-color); }
.pt-4 { padding-top: 16px; }

/* ── Alert Error ────────────────────────────────────────── */
.alert-error {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 16px;
    border: 1px solid #fca5a5;
    background-color: #fef2f2;
    border-radius: var(--radius-md);
    font-size: 13px;
    font-weight: 500;
    color: #b91c1c;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease;
}

.alert-error .alert-close {
    color: #b91c1c;
}

/* ── Icon Button Danger ─────────────────────────────────── */
.icon-btn.danger {
    color: var(--danger-color);
}

.icon-btn.danger:hover {
    background-color: #fef2f2;
    color: #b91c1c;
}

/* ── Toggle Switch ──────────────────────────────────────── */
.toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
}

.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    cursor: pointer;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    inset: 0;
    background-color: var(--border-color);
    border-radius: 24px;
    transition: background-color 0.25s ease;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    top: 3px;
    background: #ffffff;
    border-radius: 50%;
    transition: transform 0.25s ease;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
}

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

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

/* ── Text utilities for toggle labels ───────────────────── */
.text-green-600 { color: #16a34a; }
.font-semibold  { font-weight: 600; }

/* ── Generic Upload Drop Zone & Media Gallery ───────────── */
.upload-zone {
    position: relative;
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    background-color: var(--bg-secondary, #fafafa);
    transition: all 0.2s ease;
    cursor: pointer;
    min-height: 110px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.upload-zone:hover, .upload-zone.drag-over {
    border-color: var(--supabase-green, #3ecf8e);
    background-color: rgba(62, 207, 142, 0.05);
}

.upload-input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 2;
}

.upload-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    pointer-events: none;
}

.upload-placeholder strong {
    color: var(--supabase-green, #3ecf8e);
}

.upload-hint {
    font-size: 11px;
    color: var(--text-muted, #9ca3af);
}

.upload-preview {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    z-index: 3;
}

.upload-preview img {
    width: 70px;
    height: 90px;
    object-fit: cover;
    border-radius: 6px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.1);
}

.upload-remove {
    background: #ef4444;
    color: white;
    border: none;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.upload-thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    z-index: 3;
}

.upload-thumb img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

/* Media Gallery Cards */
.media-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    margin-bottom: 12px;
}

.media-card {
    position: relative;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    background: var(--bg-primary, #ffffff);
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    transition: all 0.2s ease;
}

.media-card.primary {
    border-color: var(--supabase-green, #3ecf8e);
    box-shadow: 0 0 0 2px rgba(62, 207, 142, 0.2);
}

.media-card-img {
    position: relative;
    width: 100%;
    height: 110px;
    background: #f3f4f6;
}

.media-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.media-badge.primary {
    position: absolute;
    top: 6px;
    left: 6px;
    background: var(--supabase-green, #3ecf8e);
    color: white;
    font-size: 10px;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    gap: 3px;
}

.media-card-actions {
    display: flex;
    justify-content: space-around;
    padding: 6px;
    background: #fafafa;
    border-top: 1px solid var(--border-color);
}

.media-action-btn {
    background: none;
    border: none;
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.media-action-btn:hover {
    color: var(--supabase-green, #3ecf8e);
    background: rgba(62, 207, 142, 0.1);
}

.media-action-btn.danger:hover {
    color: #ef4444;
    background: rgba(239, 68, 68, 0.1);
}

/* ── Generic Dropdown Flyout Menu ────────────────────────── */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: calc(100% + 6px);
    right: 0;
    min-width: 170px;
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    z-index: 100;
    display: none;
    flex-direction: column;
    padding: 4px;
    animation: dropdownFadeIn 0.15s ease-out;
}

.dropdown-menu.show {
    display: flex;
}

@keyframes dropdownFadeIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #111827);
    background: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-align: left;
    transition: background-color 0.15s ease, color 0.15s ease;
}

.dropdown-item:hover {
    background-color: var(--bg-secondary, #f3f4f6);
}

.dropdown-item.danger {
    color: var(--danger-color, #ef4444);
}

.dropdown-item.danger:hover {
    background-color: rgba(239, 68, 68, 0.08);
}

.secondary-btn:disabled, .secondary-btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ── Bulk Select Checkbox Alignment ─────────────────────── */
.row-checkbox, #selectAllCheckbox {
    width: 16px;
    height: 16px;
    accent-color: var(--supabase-green, #3ecf8e);
    cursor: pointer;
    vertical-align: middle;
}

/* ── Sortable Table Headers ─────────────────────────────── */
.sort-header {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: inherit;
    text-decoration: none;
    font-weight: inherit;
    transition: color 0.15s ease;
    cursor: pointer;
}

.sort-header:hover {
    color: var(--supabase-green, #3ecf8e);
}

.sort-header .sort-icon {
    width: 14px;
    height: 14px;
    opacity: 0.4;
    transition: opacity 0.15s ease;
}

.sort-header.active .sort-icon {
    opacity: 1;
    color: var(--supabase-green, #3ecf8e);
}

/* ── Industrial Pagination Bar ──────────────────────────── */
.pagination-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background: var(--bg-primary, #ffffff);
    border-top: 1px solid var(--border-color, #e5e7eb);
    font-size: 13px;
    flex-wrap: wrap;
    gap: 12px;
}

.pagination-info {
    color: var(--text-secondary, #6b7280);
    display: flex;
    align-items: center;
    gap: 12px;
}

.page-size-selector {
    display: flex;
    align-items: center;
    gap: 6px;
}

.page-size-select {
    padding: 4px 8px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    background: var(--bg-primary, #ffffff);
    font-size: 13px;
    color: var(--text-primary, #111827);
    outline: none;
    cursor: pointer;
}

.page-size-select:focus {
    border-color: var(--supabase-green, #3ecf8e);
}

.pagination-nav {
    display: flex;
    align-items: center;
    gap: 4px;
}

.page-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    background: var(--bg-primary, #ffffff);
    color: var(--text-primary, #111827);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.15s ease;
}

.page-btn:hover:not(.disabled):not(.active) {
    background-color: var(--bg-secondary, #f3f4f6);
    border-color: #d1d5db;
}

.page-btn.active {
    background-color: var(--supabase-green, #3ecf8e);
    color: #ffffff;
    border-color: var(--supabase-green, #3ecf8e);
}

.page-btn.disabled {
    opacity: 0.4;
    cursor: not-allowed;
    pointer-events: none;
}

/* =============================================
   GRID VIEWS FRAMEWORK STYLING
   ============================================= */

.view-selector-container {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.view-selector-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 7px 12px;
    background-color: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #111827);
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.view-selector-btn:hover {
    border-color: #d1d5db;
    background-color: var(--bg-secondary, #f9fafb);
}

.view-selector-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    min-width: 200px;
    background-color: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    box-shadow: var(--shadow-md, 0 4px 6px -1px rgba(0,0,0,0.1));
    z-index: 100;
    display: none;
    padding: 4px 0;
}

.view-selector-dropdown.show {
    display: block;
}

.view-option-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-primary, #374151);
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease;
}

.view-option-item:hover {
    background-color: var(--bg-secondary, #f3f4f6);
    color: var(--text-primary, #111827);
}

.view-option-item.active {
    font-weight: 600;
    color: var(--supabase-green-dark, #059669);
    background-color: var(--supabase-green-soft, #ecfdf5);
}

.view-option-name {
    display: flex;
    align-items: center;
    gap: 8px;
}

.view-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: #cbd5e1;
}

.view-option-item.active .view-dot {
    background-color: var(--supabase-green, #10b981);
}

.manage-views-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    background-color: var(--bg-primary, #ffffff);
    color: var(--text-secondary, #6b7280);
    cursor: pointer;
    transition: all 0.15s ease;
}

.manage-views-btn:hover {
    color: var(--text-primary, #111827);
    border-color: #d1d5db;
    background-color: var(--bg-secondary, #f9fafb);
}

/* Modal styling for Manage Grid Views */
.grid-view-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(0, 0, 0, 0.4);
    z-index: 1050;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(2px);
}

.grid-view-modal {
    background: #ffffff;
    border-radius: var(--radius-lg, 8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    width: 100%;
    max-width: 580px;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: modalSlideIn 0.2s ease-out;
}

@keyframes modalSlideIn {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.grid-view-modal form {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    margin: 0;
}

.grid-view-modal-header {
    padding: 18px 24px;
    border-bottom: 1px solid var(--border-color-subtle, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: #ffffff;
}

.grid-view-modal-title {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary, #0f172a);
    display: flex;
    align-items: center;
    gap: 10px;
}

.grid-view-modal-body {
    padding: 24px;
    overflow-y: auto;
    flex: 1;
    background: #ffffff;
}

.grid-view-modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color-subtle, #e2e8f0);
    background-color: #f8fafc;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    width: 100%;
}

.view-item-action-btn,
.modal-close-btn {
    background: transparent;
    border: none;
    outline: none;
    box-shadow: none;
    border-radius: 6px;
    padding: 6px;
    color: var(--text-muted, #64748b);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.15s ease;
}

.view-item-action-btn:hover,
.modal-close-btn:hover {
    background: #f1f5f9;
    color: var(--text-primary, #0f172a);
}

/* Filter Rule Builder in Modal */
.filter-rule-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.filter-rule-row select,
.filter-rule-row input {
    height: 34px;
    padding: 0 10px;
    font-size: 13px;
    border: 1px solid var(--border-color, #d1d5db);
    border-radius: var(--radius-md, 6px);
    background-color: #ffffff;
}

.filter-rule-row select:focus,
.filter-rule-row input:focus {
    outline: none;
    border-color: var(--supabase-green, #3ecf8e);
}

.filter-rule-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border: none;
    background: transparent;
    color: var(--danger-color, #ef4444);
    cursor: pointer;
    border-radius: 4px;
}

.filter-rule-remove:hover {
    background-color: #fef2f2;
}

/* Manage Views List Cards */
.grid-view-list-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
    gap: 12px;
}

.views-list-container {
    display: flex !important;
    flex-direction: column !important;
    gap: 10px !important;
    width: 100%;
}

.view-item-card {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    padding: 12px 16px;
    border-radius: var(--radius-md, 6px);
    border: 1px solid var(--border-color, #e5e7eb);
    background-color: #ffffff;
    width: 100%;
    box-sizing: border-box;
    transition: all 0.15s ease;
}

.view-item-card:hover {
    border-color: #d1d5db;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.view-item-card.system-view {
    background-color: var(--bg-secondary, #f9fafb);
}

.view-item-card-left {
    display: flex;
    align-items: center;
    gap: 10px;
}

.view-item-title {
    font-weight: 600;
    font-size: 13px;
    color: var(--text-primary, #111827);
}

.view-item-badge {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.view-item-badge.system {
    background-color: #f3e8ff;
    color: #7e22ce;
}

.view-item-badge.default {
    background-color: #e0f2fe;
    color: #0369a1;
}

.view-item-card-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* =============================================
   CTK Multi-Select Tag Picker
   ============================================= */

.ctk-multiselect {
    position: relative;
    width: 100%;
}

.ctk-multiselect-tags {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    min-height: 42px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: text;
    transition: var(--transition);
}

.ctk-multiselect-tags:focus-within {
    border-color: var(--supabase-green);
    box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.12);
}

.ctk-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 8px;
    background: var(--supabase-green-soft);
    color: var(--supabase-green-dark);
    border: 1px solid rgba(62, 207, 142, 0.25);
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
    white-space: nowrap;
    animation: ctkTagIn 0.15s ease-out;
}

@keyframes ctkTagIn {
    from {
        opacity: 0;
        transform: scale(0.85);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.ctk-tag-remove {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 14px;
    height: 14px;
    padding: 0;
    margin: 0;
    background: none;
    border: none;
    border-radius: 50%;
    color: var(--supabase-green-dark);
    cursor: pointer;
    font-size: 14px;
    line-height: 1;
    opacity: 0.65;
    transition: var(--transition);
}

.ctk-tag-remove:hover {
    opacity: 1;
    background: rgba(62, 207, 142, 0.2);
}

.ctk-multiselect-input {
    flex: 1;
    min-width: 80px;
    border: none;
    outline: none;
    background: transparent;
    font-size: 13px;
    font-family: var(--font-family);
    color: var(--text-primary);
    padding: 2px 0;
}

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

.ctk-multiselect-dropdown {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    z-index: 100;
    max-height: 220px;
    overflow-y: auto;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    display: none;
}

.ctk-multiselect-dropdown.open {
    display: block;
    animation: ctkDropdownIn 0.12s ease-out;
}

@keyframes ctkDropdownIn {
    from {
        opacity: 0;
        transform: translateY(-4px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.ctk-multiselect-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background 0.1s ease;
}

.ctk-multiselect-option:hover {
    background: var(--active-bg);
}

.ctk-multiselect-option.selected {
    color: var(--supabase-green-dark);
    font-weight: 500;
}

.ctk-multiselect-option .option-check {
    width: 14px;
    color: var(--supabase-green);
}

.ctk-multiselect-create {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 13px;
    color: var(--supabase-green-dark);
    font-weight: 500;
    cursor: pointer;
    border-top: 1px solid var(--border-color);
    transition: background 0.1s ease;
}

.ctk-multiselect-create:hover {
    background: var(--supabase-green-soft);
}

.ctk-multiselect-create i {
    width: 14px;
    height: 14px;
}

.ctk-multiselect-empty {
    padding: 12px;
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
}

/* ── Rich Text Editor (Quill) ───────────────────────────── */
.ctk-rich-editor {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    overflow: hidden;
    transition: var(--transition);
}

.ctk-rich-editor:focus-within {
    border-color: var(--supabase-green);
    box-shadow: 0 0 0 3px rgba(62, 207, 142, 0.12);
}

.ctk-rich-editor .ql-toolbar.ql-snow {
    border: none;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    font-family: var(--font-family);
    padding: 8px 10px;
}

.ctk-rich-editor .ql-container.ql-snow {
    border: none;
    font-family: var(--font-family);
    font-size: 14px;
    color: var(--text-primary);
}

.ctk-rich-editor .ql-editor {
    min-height: 220px;
    padding: 12px 14px;
    line-height: 1.6;
}

.ctk-rich-editor .ql-editor.ql-blank::before {
    color: var(--text-muted);
    font-style: normal;
}

.ctk-rich-editor .ql-snow .ql-stroke {
    stroke: var(--text-secondary);
}

.ctk-rich-editor .ql-snow .ql-fill {
    fill: var(--text-secondary);
}

.ctk-rich-editor .ql-snow .ql-picker {
    color: var(--text-secondary);
}

.ctk-rich-editor .ql-snow .ql-picker-options {
    background: var(--bg-primary);
    border-color: var(--border-color);
    box-shadow: var(--shadow-md);
}

.ctk-rich-editor .ql-snow.ql-toolbar button:hover,
.ctk-rich-editor .ql-snow.ql-toolbar button.ql-active,
.ctk-rich-editor .ql-snow .ql-toolbar button:hover,
.ctk-rich-editor .ql-snow .ql-toolbar button.ql-active {
    color: var(--supabase-green-dark);
}

.ctk-rich-editor .ql-snow.ql-toolbar button:hover .ql-stroke,
.ctk-rich-editor .ql-snow.ql-toolbar button.ql-active .ql-stroke,
.ctk-rich-editor .ql-snow .ql-toolbar button:hover .ql-stroke,
.ctk-rich-editor .ql-snow .ql-toolbar button.ql-active .ql-stroke {
    stroke: var(--supabase-green-dark);
}

.ctk-rich-editor .ql-snow.ql-toolbar button:hover .ql-fill,
.ctk-rich-editor .ql-snow.ql-toolbar button.ql-active .ql-fill,
.ctk-rich-editor .ql-snow .ql-toolbar button:hover .ql-fill,
.ctk-rich-editor .ql-snow .ql-toolbar button.ql-active .ql-fill {
    fill: var(--supabase-green-dark);
}

.ctk-rich-editor-source {
    display: none !important;
}

/* =============================================
   COURSE BUILDER & LEARNING PLATFORM UI STYLING
   ============================================= */

.course-builder-wrapper {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 128px);
    max-height: calc(100vh - 128px);
    background-color: var(--bg-primary, #ffffff);
    margin: -32px -48px;
    overflow: hidden;
}

.builder-header {
    padding: 12px 24px;
    background-color: var(--bg-primary, #ffffff);
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.04);
}

.builder-work-area {
    display: flex;
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.course-outline-panel {
    width: 320px;
    min-width: 280px;
    max-width: 340px;
    background-color: var(--bg-secondary, #f9fafb);
    border-right: 1px solid var(--border-color, #e5e7eb);
    display: flex;
    flex-direction: column;
    height: 100%;
    min-height: 0;
    overflow: hidden;
}

.lesson-outline-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    background: #ffffff;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    margin-bottom: 6px;
    cursor: pointer;
    transition: all 0.15s ease;
}

.lesson-outline-item:hover {
    border-color: #cbd5e1;
    background-color: #f8fafc;
}

.lesson-outline-item.active-lesson {
    border-color: var(--supabase-green, #10b981);
    background-color: var(--supabase-green-soft, #ecfdf5);
    box-shadow: 0 0 0 1px var(--supabase-green, #10b981);
}

.lesson-drag-handle, .block-drag-handle {
    cursor: grab;
    color: var(--text-secondary, #94a3b8);
    display: inline-flex;
    align-items: center;
    padding: 2px;
}

.lesson-drag-handle:active, .block-drag-handle:active {
    cursor: grabbing;
}

.block-list-canvas {
    flex: 1;
    background-color: #ffffff;
    padding: 24px 32px;
    height: 100%;
    min-height: 0;
    overflow-y: auto;
    box-sizing: border-box;
}

/* Custom Scrollbar for Block List Canvas */
.block-list-canvas::-webkit-scrollbar {
    width: 8px;
}

.block-list-canvas::-webkit-scrollbar-track {
    background: #f1f5f9;
    border-radius: 4px;
}

.block-list-canvas::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 4px;
}

.block-list-canvas::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}


.learning-block-card {
    background: #ffffff;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-lg, 8px);
    margin-bottom: 16px;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.04);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.learning-block-card:hover {
    border-color: #cbd5e1;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.learning-block-card .card-header {
    background-color: #f8fafc;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    padding: 10px 16px;
    border-top-left-radius: var(--radius-lg, 8px);
    border-top-right-radius: var(--radius-lg, 8px);
}

.learning-block-card .card-body {
    padding: 16px;
}

.block-editor {
    padding: 4px 0;
}

.block-toolbar-container {
    background-color: #f8fafc;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    padding: 8px 12px;
}

.btn-xs {
    padding: 3px 8px;
    font-size: 12px;
    border-radius: 4px;
    line-height: 1.2;
}

.btn-ghost-secondary {
    background: transparent;
    border: 1px solid #e2e8f0;
    color: var(--text-secondary, #64748b);
    border-radius: 4px;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 12px;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-ghost-secondary:hover {
    background-color: #f1f5f9;
    color: var(--text-primary, #0f172a);
    border-color: #cbd5e1;
}

.btn-ghost-danger {
    background: transparent;
    border: 1px solid #fecaca;
    color: #ef4444;
    border-radius: 4px;
    cursor: pointer;
    padding: 4px 8px;
    font-size: 12px;
    transition: all 0.15s ease;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-ghost-danger:hover {
    background-color: #fef2f2;
    color: #dc2626;
    border-color: #fca5a5;
}

.cursor-grab {
    cursor: grab;
}

.fs-8 {
    font-size: 12px !important;
}

.fs-9 {
    font-size: 11px !important;
}

.tracking-wider {
    letter-spacing: 0.05em;
}

/* Badge Fixes for Block Types */
.bg-primary-subtle {
    background-color: #eff6ff !important;
    color: #1d4ed8 !important;
    border-color: #bfdbfe !important;
}

.bg-success-subtle {
    background-color: #ecfdf5 !important;
    color: #047857 !important;
    border-color: #a7f3d0 !important;
}

.bg-secondary-subtle {
    background-color: #f8fafc !important;
    color: #475569 !important;
    border-color: #e2e8f0 !important;
}

.bg-info-subtle {
    background-color: #f0f9ff !important;
    color: #0369a1 !important;
    border-color: #bae6fd !important;
}

.bg-warning-subtle {
    background-color: #fffbeb !important;
    color: #b45309 !important;
    border-color: #fde68a !important;
}

.bg-danger-subtle {
    background-color: #fef2f2 !important;
    color: #b91c1c !important;
    border-color: #fecaca !important;
}

/* =============================================
   MODAL OVERLAY & CONTAINER SYSTEM (.modal-overlay / .modal-container)
   ============================================= */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    inset: 0;
    background-color: rgba(15, 23, 42, 0.5);
    backdrop-filter: blur(3px);
    z-index: 1060;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeInOverlay 0.15s ease-out;
}

.modal-container {
    background-color: #ffffff;
    border-radius: var(--radius-lg, 10px);
    border: 1px solid var(--border-color, #cbd5e1);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 540px;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUpModal 0.2s ease-out;
}

.modal-header-content {
    display: flex;
    align-items: center;
    gap: 12px;
}

.modal-icon {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background-color: var(--supabase-green-soft, #ecfdf5);
    color: var(--supabase-green, #10b981);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.modal-subtitle {
    font-size: 12.5px;
    color: var(--text-muted, #64748b);
    margin-top: 2px;
}

.modal-close {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted, #64748b);
    padding: 6px;
    border-radius: var(--radius-md, 6px);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition, all 0.2s);
}

.modal-close:hover {
    color: var(--text-primary, #0f172a);
    background-color: var(--bg-secondary, #f1f5f9);
}

@keyframes fadeInOverlay {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUpModal {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

/* =============================================
   MODAL DIALOG STYLING & DISPLAY RULES
   ============================================= */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1055;
    display: none;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    outline: 0;
    background-color: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(2px);
}

.modal.show {
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.modal-dialog {
    position: relative;
    width: 100%;
    max-width: 520px;
    margin: 1.75rem auto;
    pointer-events: auto;
}

.modal-dialog-centered {
    display: flex;
    align-items: center;
    min-height: calc(100% - 3.5rem);
}

.modal-dialog.modal-lg {
    max-width: 820px;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background-color: var(--bg-primary, #ffffff);
    background-clip: padding-box;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-lg, 8px);
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.15), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    outline: 0;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    background-color: #ffffff;
    border-top-left-radius: var(--radius-lg, 8px);
    border-top-right-radius: var(--radius-lg, 8px);
}

.modal-title {
    margin-bottom: 0;
    line-height: 1.5;
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 20px;
    background-color: #ffffff;
}

.modal-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    padding: 12px 20px;
    border-top: 1px solid var(--border-color, #e5e7eb);
    background-color: #f8fafc;
    border-bottom-left-radius: var(--radius-lg, 8px);
    border-bottom-right-radius: var(--radius-lg, 8px);
    gap: 8px;
}

.btn-close {
    box-sizing: content-box;
    width: 1em;
    height: 1em;
    padding: .25em .25em;
    color: #000;
    background: transparent url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23000'%3e%3cpath d='M.293.293a1 1 0 0 1 1.414 0L8 6.586 14.293.293a1 1 0 1 1 1.414 1.414L9.414 8l6.293 6.293a1 1 0 0 1-1.414 1.414L8 9.414l-6.293 6.293a1 1 0 0 1-1.414-1.414L6.586 8 .293 1.707a1 1 0 0 1 0-1.414z'/%3e%3c/svg%3e") center/1em auto no-repeat;
    border: 0;
    border-radius: .375rem;
    opacity: .5;
    cursor: pointer;
}

.btn-close:hover {
    opacity: .75;
}

/* =============================================
   BLOCK EDITOR & GRID SYSTEM UTILITY FIXES
   ============================================= */

.form-select, .form-select-sm {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-md, 6px);
    font-size: 13px;
    color: var(--text-primary, #111827);
    background-color: #ffffff;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23343a40' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 16px 12px;
    appearance: none;
}

.form-select:focus, .form-select-sm:focus {
    outline: none;
    border-color: var(--supabase-green, #10b981);
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.form-control-sm {
    padding: 6px 10px;
    font-size: 13px;
    border-radius: 4px;
}

.form-label {
    display: block;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary, #64748b);
    margin-bottom: 4px;
}

.row {
    display: flex;
    flex-wrap: wrap;
    margin-right: -8px;
    margin-left: -8px;
}

.row > * {
    padding-right: 8px;
    padding-left: 8px;
}

.col-md-3 {
    flex: 0 0 auto;
    width: 25%;
}

.col-md-9 {
    flex: 0 0 auto;
    width: 75%;
}

.col-md-12 {
    flex: 0 0 auto;
    width: 100%;
}

.dropdown-menu.show {
    display: block !important;
}

@media (max-width: 768px) {
    .col-md-3, .col-md-9 {
        width: 100%;
    }
}

/* =============================================
   PUBLIC LEARNING PLATFORM DESIGN SYSTEM
   ============================================= */

/* Buttons & Color Variants */
.btn-emerald {
    background-color: #059669 !important;
    color: #ffffff !important;
    border: 1px solid #059669 !important;
    transition: all 0.15s ease;
}

.btn-emerald:hover {
    background-color: #047857 !important;
    border-color: #047857 !important;
    color: #ffffff !important;
}

.btn-emerald-lg {
    background-color: #059669 !important;
    color: #ffffff !important;
    border: 1px solid #059669 !important;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.15s ease;
}

.btn-emerald-lg:hover {
    background-color: #047857 !important;
    border-color: #047857 !important;
    color: #ffffff !important;
    transform: translateY(-1px);
}

.btn-emerald-outline {
    background-color: transparent !important;
    color: #059669 !important;
    border: 1px solid #059669 !important;
}

.btn-emerald-outline:hover {
    background-color: #ecfdf5 !important;
    color: #047857 !important;
}

.btn-stone-primary {
    background-color: #292524 !important;
    color: #ffffff !important;
    border: 1px solid #292524 !important;
}

.btn-stone-primary:hover {
    background-color: #1c1917 !important;
    color: #ffffff !important;
}

.btn-stone-dark {
    background-color: #1c1917 !important;
    color: #ffffff !important;
    border: 1px solid #1c1917 !important;
}

.btn-stone-outline {
    background-color: transparent !important;
    color: #57534e !important;
    border: 1px solid #d6d3d1 !important;
}

.btn-stone-outline:hover {
    background-color: #f5f5f4 !important;
    color: #1c1917 !important;
}

.btn-stone-secondary {
    background-color: #f5f5f4 !important;
    color: #44403c !important;
    border: 1px solid #e7e5e4 !important;
}

.btn-stone-secondary:hover {
    background-color: #e7e5e4 !important;
    color: #1c1917 !important;
}

/* Card Hover Zoom & Animations */
.shadow-hover {
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.shadow-hover:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 24px -4px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04) !important;
}

.card-img-zoom {
    transition: transform 0.3s ease;
}

.public-course-card:hover .card-img-zoom {
    transform: scale(1.04);
}

.hover-emerald:hover {
    color: #059669 !important;
}

.hover-white:hover {
    color: #ffffff !important;
}

.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.line-clamp-2 {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* Specific Badge Color Helpers */
.bg-emerald-50 { background-color: #ecfdf5 !important; }
.text-emerald-700 { color: #047857 !important; }
.border-emerald-200 { border-color: #a7f3d0 !important; }

.bg-sky-50 { background-color: #f0f9ff !important; }
.text-sky-700 { color: #0369a1 !important; }
.border-sky-200 { border-color: #bae6fd !important; }

.bg-amber-50 { background-color: #fffbeb !important; }
.text-amber-700 { color: #b45309 !important; }
.border-amber-200 { border-color: #fde68a !important; }

.bg-stone-50 { background-color: #fafaf9 !important; }
.text-stone-700 { color: #44403c !important; }
.border-stone-200 { border-color: #e7e5e4 !important; }

/* ===================== HEADER FLYOUTS & POPOVERS ===================== */
.header-flyout-wrapper {
    position: relative;
}

.header-flyout {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    width: 360px;
    background: var(--bg-primary, #ffffff);
    border: 1px solid var(--border-color, #e5e7eb);
    border-radius: var(--radius-lg, 10px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.05);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-4px);
    transition: all 0.15s ease;
    z-index: 200;
    overflow: hidden;
}

.header-flyout.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.flyout-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color, #e5e7eb);
    background: var(--bg-secondary, #fafafa);
}

.flyout-header-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary, #111827);
}

.flyout-clear-btn {
    background: none;
    border: none;
    color: var(--text-muted, #6b7280);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    padding: 2px 8px;
    border-radius: 4px;
    transition: all 0.15s ease;
}

.flyout-clear-btn:hover {
    color: var(--danger-color, #ef4444);
    background: #fef2f2;
}

.flyout-body {
    padding: 8px;
    max-height: 420px;
    overflow-y: auto;
}

.flyout-empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 32px 16px;
    text-align: center;
}

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

.flyout-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--text-primary, #111827);
    transition: background-color 0.15s ease;
}

.flyout-item:hover {
    background-color: var(--bg-secondary, #f3f4f6);
}

.flyout-item-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: var(--bg-secondary, #f3f4f6);
    color: var(--text-secondary, #4b5563);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.flyout-item-icon.action-icon {
    background: #ecfdf5;
    color: #059669;
}

.flyout-item-content {
    flex: 1;
    min-width: 0;
}

.flyout-item-title {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary, #111827);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.flyout-item-sub {
    font-size: 11px;
    color: var(--text-muted, #6b7280);
    display: flex;
    align-items: center;
    gap: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.flyout-badge {
    font-weight: 600;
    color: var(--supabase-green-dark, #059669);
}