/**
 * KurseBuchen - Trainer Portal Styles
 * Eversports-inspiriertes Design
 * Version 5.6.0
 */

:root {
    /* Eversports Farben */
    --kb-primary: #00a89c;
    --kb-primary-dark: #008f85;
    --kb-primary-light: #e6f7f6;
    --kb-primary-rgb: 0, 168, 156;
    
    --kb-secondary: #1a1f36;
    --kb-accent: #6366f1;
    
    /* Status */
    --kb-success: #10b981;
    --kb-success-light: #d1fae5;
    --kb-warning: #f59e0b;
    --kb-warning-light: #fef3c7;
    --kb-danger: #ef4444;
    --kb-danger-light: #fee2e2;
    --kb-info: #3b82f6;
    --kb-info-light: #dbeafe;
    
    /* Grays */
    --kb-gray-50: #f9fafb;
    --kb-gray-100: #f3f4f6;
    --kb-gray-200: #e5e7eb;
    --kb-gray-300: #d1d5db;
    --kb-gray-400: #9ca3af;
    --kb-gray-500: #6b7280;
    --kb-gray-600: #4b5563;
    --kb-gray-700: #374151;
    --kb-gray-800: #1f2937;
    --kb-gray-900: #111827;
    
    /* Layout */
    --kb-sidebar-width: 240px;
    --kb-sidebar-bg: #1a1f36;
    --kb-content-bg: #f5f7fa;
    
    /* Typography */
    --kb-font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --kb-font-size: 0.875rem;
    
    /* Borders & Shadows */
    --kb-radius: 6px;
    --kb-radius-lg: 10px;
    --kb-shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --kb-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.08), 0 2px 4px -1px rgba(0,0,0,0.04);
    --kb-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.08), 0 4px 6px -2px rgba(0,0,0,0.04);
    
    --kb-transition: 150ms ease;
}

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

body.kb-trainer-portal {
    margin: 0;
    padding: 0;
    font-family: var(--kb-font);
    font-size: var(--kb-font-size);
    line-height: 1.6;
    color: var(--kb-gray-800);
    background: var(--kb-content-bg);
    -webkit-font-smoothing: antialiased;
}

/* ========================================
   LAYOUT
======================================== */
.kb-portal-wrapper {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.kb-portal-sidebar {
    width: var(--kb-sidebar-width);
    background: var(--kb-sidebar-bg);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

.kb-sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    gap: 12px;
}

.kb-trainer-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--kb-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    color: #fff;
    overflow: hidden;
    flex-shrink: 0;
}

.kb-trainer-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.kb-trainer-info strong {
    display: block;
    color: #fff;
    font-size: 14px;
    font-weight: 600;
}

.kb-trainer-info small {
    display: block;
    color: var(--kb-gray-400);
    font-size: 12px;
}

/* Navigation */
.kb-portal-nav {
    flex: 1;
    padding: 16px 0;
}

.kb-portal-nav a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 20px;
    color: var(--kb-gray-400);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all var(--kb-transition);
    border-left: 3px solid transparent;
}

.kb-portal-nav a:hover {
    color: #fff;
    background: rgba(255,255,255,0.04);
}

.kb-portal-nav a.active {
    color: #fff;
    background: rgba(255,255,255,0.08);
    border-left-color: var(--kb-primary);
}

.kb-portal-nav a svg {
    width: 20px;
    height: 20px;
    opacity: 0.6;
}

.kb-portal-nav a:hover svg,
.kb-portal-nav a.active svg {
    opacity: 1;
}

.kb-sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.08);
}

.kb-sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    color: var(--kb-gray-500);
    text-decoration: none;
    font-size: 13px;
}

.kb-sidebar-footer a:hover {
    color: #fff;
}

.kb-logout-link:hover {
    color: var(--kb-danger) !important;
}

/* MAIN */
.kb-portal-main {
    flex: 1;
    margin-left: var(--kb-sidebar-width);
    min-height: 100vh;
}

.kb-portal-header {
    background: #fff;
    padding: 16px 24px;
    border-bottom: 1px solid var(--kb-gray-200);
    display: flex;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 50;
}

.kb-page-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--kb-gray-900);
    margin: 0;
}

.kb-mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    margin-right: 12px;
}

.kb-portal-content {
    padding: 24px;
}

/* ========================================
   CARDS - Eversports Style
======================================== */
.kb-card {
    background: #fff;
    border-radius: var(--kb-radius-lg);
    box-shadow: var(--kb-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.kb-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--kb-gray-100);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--kb-gray-50);
}

.kb-card-header h3 {
    margin: 0;
    font-size: 14px;
    font-weight: 600;
    color: var(--kb-gray-900);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.kb-card-header a {
    color: var(--kb-primary);
    font-size: 13px;
    text-decoration: none;
    font-weight: 500;
}

.kb-card-header a:hover {
    text-decoration: underline;
}

.kb-card-body {
    padding: 20px;
}

/* ========================================
   TABS - Eversports Style
======================================== */
.kb-tabs,
.kb-settings-tabs {
    display: flex;
    gap: 4px;
    background: #fff;
    padding: 6px;
    border-radius: var(--kb-radius-lg);
    box-shadow: var(--kb-shadow);
    margin-bottom: 24px;
    flex-wrap: wrap;
    overflow-x: auto;
}

.kb-tabs a,
.kb-tabs button,
.kb-settings-tabs a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: var(--kb-radius);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    color: var(--kb-gray-600);
    background: transparent;
    border: none;
    cursor: pointer;
    white-space: nowrap;
    transition: all var(--kb-transition);
}

.kb-tabs a:hover,
.kb-tabs button:hover,
.kb-settings-tabs a:hover {
    color: var(--kb-gray-900);
    background: var(--kb-gray-100);
}

.kb-tabs a.active,
.kb-tabs button.active,
.kb-settings-tabs a.active {
    color: #fff;
    background: var(--kb-primary);
}

/* ========================================
   FORMS - Eversports Style
======================================== */
.kb-form {
    max-width: 100%;
}

.kb-form-grid {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 24px;
    align-items: start;
}

.kb-form-main {
    min-width: 0;
}

.kb-form-sidebar {
    position: sticky;
    top: 90px;
}

.kb-form-row {
    margin-bottom: 20px;
}

.kb-form-row:last-child {
    margin-bottom: 0;
}

.kb-form-row label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--kb-gray-700);
    margin-bottom: 6px;
}

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

.kb-form-row-group .kb-form-row {
    flex: 1;
}

.kb-form-hint {
    font-size: 12px;
    color: var(--kb-gray-500);
    margin-top: 4px;
}

/* Input Fields */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="tel"],
input[type="url"],
input[type="date"],
input[type="time"],
input[type="datetime-local"],
select,
textarea,
.kb-input,
.kb-select,
.kb-textarea {
    width: 100%;
    padding: 10px 14px;
    font-size: 14px;
    font-family: inherit;
    color: var(--kb-gray-900);
    background: #fff;
    border: 1px solid var(--kb-gray-300);
    border-radius: var(--kb-radius);
    transition: all var(--kb-transition);
    outline: none;
}

input:hover,
select:hover,
textarea:hover {
    border-color: var(--kb-gray-400);
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--kb-primary);
    box-shadow: 0 0 0 3px var(--kb-primary-light);
}

input::placeholder {
    color: var(--kb-gray-400);
}

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

select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
    cursor: pointer;
}

/* Checkbox */
.kb-checkbox {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.kb-checkbox label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    margin-bottom: 0;
}

.kb-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 2px 0 0 0;
    accent-color: var(--kb-primary);
    flex-shrink: 0;
    cursor: pointer;
}

.kb-checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Toggle Switch */
.kb-toggle {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
    flex-shrink: 0;
}

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

.kb-toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--kb-gray-300);
    border-radius: 24px;
    transition: background var(--kb-transition);
}

.kb-toggle-slider::before {
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    left: 3px;
    bottom: 3px;
    background: #fff;
    border-radius: 50%;
    box-shadow: 0 1px 3px rgba(0,0,0,0.2);
    transition: transform var(--kb-transition);
}

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

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

/* ========================================
   BUTTONS
======================================== */
.kb-btn,
button[type="submit"],
input[type="submit"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    text-decoration: none;
    border-radius: var(--kb-radius);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--kb-transition);
    white-space: nowrap;
}

.kb-btn svg {
    width: 16px;
    height: 16px;
}

.kb-btn-primary,
button[type="submit"],
input[type="submit"] {
    background: var(--kb-primary);
    color: #fff;
    border-color: var(--kb-primary);
}

.kb-btn-primary:hover,
button[type="submit"]:hover,
input[type="submit"]:hover {
    background: var(--kb-primary-dark);
    border-color: var(--kb-primary-dark);
}

.kb-btn-secondary {
    background: var(--kb-gray-100);
    color: var(--kb-gray-700);
    border-color: var(--kb-gray-200);
}

.kb-btn-secondary:hover {
    background: var(--kb-gray-200);
}

.kb-btn-outline {
    background: #fff;
    color: var(--kb-gray-700);
    border-color: var(--kb-gray-300);
}

.kb-btn-outline:hover {
    border-color: var(--kb-gray-400);
    background: var(--kb-gray-50);
}

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

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

.kb-btn-sm,
.kb-btn-small {
    padding: 6px 12px;
    font-size: 12px;
}

.kb-btn-large {
    padding: 12px 24px;
    font-size: 15px;
}

.kb-btn-block {
    width: 100%;
}

.kb-btn-icon {
    padding: 8px;
}

.kb-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--kb-radius);
    font-weight: 500;
    font-size: 13px;
    text-decoration: none;
    background: #fff;
    color: var(--kb-gray-700);
    border: 1px solid var(--kb-gray-200);
    transition: all var(--kb-transition);
    cursor: pointer;
}

.kb-action-btn:hover {
    border-color: var(--kb-gray-300);
    box-shadow: var(--kb-shadow);
}

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

.kb-action-btn.primary:hover {
    background: var(--kb-primary-dark);
}

.kb-action-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.kb-quick-actions {
    display: flex;
    gap: 12px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

/* ========================================
   TABLES
======================================== */
.kb-table,
.kb-bookings-table table,
.kb-blacklist-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}

.kb-table th,
.kb-bookings-table th,
.kb-blacklist-table th {
    text-align: left;
    padding: 12px 16px;
    font-weight: 600;
    color: var(--kb-gray-600);
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--kb-gray-200);
    background: var(--kb-gray-50);
}

.kb-table td,
.kb-bookings-table td,
.kb-blacklist-table td {
    padding: 14px 16px;
    border-bottom: 1px solid var(--kb-gray-100);
    color: var(--kb-gray-700);
    vertical-align: middle;
}

.kb-table tbody tr:hover,
.kb-bookings-table tbody tr:hover,
.kb-blacklist-table tbody tr:hover {
    background: var(--kb-gray-50);
}

.kb-table-responsive {
    overflow-x: auto;
}

.kb-table-striped tbody tr:nth-child(even) {
    background: var(--kb-gray-50);
}

/* ========================================
   BADGES & STATUS
======================================== */
.kb-badge,
.kb-status {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 600;
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.kb-badge-success,
.kb-status-confirmed {
    background: var(--kb-success-light);
    color: #065f46;
}

.kb-badge-warning,
.kb-status-waitlist,
.kb-status-pending {
    background: var(--kb-warning-light);
    color: #92400e;
}

.kb-badge-danger,
.kb-status-cancelled {
    background: var(--kb-danger-light);
    color: #991b1b;
}

.kb-badge-info,
.kb-badge-primary {
    background: var(--kb-info-light);
    color: #1e40af;
}

.kb-badge-secondary {
    background: var(--kb-gray-100);
    color: var(--kb-gray-600);
}

/* ========================================
   STATS
======================================== */
.kb-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.kb-stats-grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.kb-stat-card {
    background: #fff;
    border-radius: var(--kb-radius-lg);
    padding: 20px;
    box-shadow: var(--kb-shadow);
    display: flex;
    align-items: center;
    gap: 16px;
}

.kb-stat-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--kb-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.kb-stat-icon svg {
    width: 26px;
    height: 26px;
}

.kb-stat-icon.blue { background: var(--kb-info-light); color: var(--kb-info); }
.kb-stat-icon.green { background: var(--kb-success-light); color: var(--kb-success); }
.kb-stat-icon.purple { background: #ede9fe; color: #7c3aed; }
.kb-stat-icon.orange { background: var(--kb-warning-light); color: var(--kb-warning); }
.kb-stat-icon.teal { background: var(--kb-primary-light); color: var(--kb-primary); }

.kb-stat-content,
.kb-stat-info {
    flex: 1;
}

.kb-stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--kb-gray-900);
    line-height: 1.2;
}

.kb-stat-label {
    font-size: 13px;
    color: var(--kb-gray-500);
    margin-top: 2px;
}

.kb-stat-warning {
    font-size: 12px;
    color: var(--kb-warning);
    margin-top: 4px;
}

/* ========================================
   DASHBOARD
======================================== */
.kb-dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 24px;
}

/* ========================================
   LISTS
======================================== */
.kb-session-list,
.kb-booking-list,
.kb-template-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.kb-session-list li,
.kb-booking-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid var(--kb-gray-100);
}

.kb-session-list li:last-child,
.kb-booking-list li:last-child {
    border-bottom: none;
}

.kb-session-color {
    width: 4px;
    height: 36px;
    border-radius: 2px;
    flex-shrink: 0;
}

.kb-session-info,
.kb-booking-info {
    flex: 1;
    min-width: 0;
}

.kb-session-info strong,
.kb-booking-info strong {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--kb-gray-900);
}

.kb-session-info span,
.kb-booking-info span {
    color: var(--kb-gray-500);
    font-size: 12px;
}

.kb-session-bookings {
    background: var(--kb-gray-100);
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 600;
    color: var(--kb-gray-700);
}

.kb-booking-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--kb-primary);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
    flex-shrink: 0;
}

/* Template List */
.kb-template-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px;
    border: 1px solid var(--kb-gray-200);
    border-radius: var(--kb-radius);
    margin-bottom: 10px;
    background: #fff;
    transition: all var(--kb-transition);
}

.kb-template-item:hover {
    border-color: var(--kb-primary);
    box-shadow: var(--kb-shadow);
}

.kb-template-info strong {
    display: block;
    font-size: 14px;
    color: var(--kb-gray-900);
}

.kb-template-subject {
    font-size: 12px;
    color: var(--kb-gray-500);
}

/* ========================================
   ALERTS & MESSAGES
======================================== */
.kb-alert,
.kb-form-message {
    padding: 14px 18px;
    border-radius: var(--kb-radius);
    font-size: 14px;
    margin-bottom: 20px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.kb-alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.kb-alert-success,
.kb-form-message.success {
    background: var(--kb-success-light);
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.kb-alert-warning {
    background: var(--kb-warning-light);
    color: #92400e;
    border: 1px solid #fcd34d;
}

.kb-alert-danger,
.kb-alert-error,
.kb-form-message.error {
    background: var(--kb-danger-light);
    color: #991b1b;
    border: 1px solid #fca5a5;
}

.kb-alert-info {
    background: var(--kb-info-light);
    color: #1e40af;
    border: 1px solid #93c5fd;
}

/* ========================================
   TOOLBAR
======================================== */
.kb-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

.kb-toolbar-separator {
    width: 1px;
    height: 24px;
    background: var(--kb-gray-300);
    margin: 0 8px;
}

/* ========================================
   SECTION
======================================== */
.kb-section {
    background: #fff;
    border-radius: var(--kb-radius-lg);
    box-shadow: var(--kb-shadow);
    margin-bottom: 24px;
    overflow: hidden;
}

.kb-section-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--kb-gray-100);
    background: var(--kb-gray-50);
}

.kb-section-title {
    margin: 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--kb-gray-900);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.kb-section-desc {
    margin: 4px 0 0 0;
    font-size: 12px;
    color: var(--kb-gray-500);
}

.kb-section-body {
    padding: 20px;
}

.kb-section-nav {
    display: flex;
    gap: 8px;
}

/* ========================================
   PAYMENT METHOD CARDS
======================================== */
.kb-payment-method-card {
    border: 1px solid var(--kb-gray-200);
    border-radius: var(--kb-radius-lg);
    margin-bottom: 16px;
    overflow: hidden;
    transition: all var(--kb-transition);
}

.kb-payment-method-card:hover {
    border-color: var(--kb-gray-300);
}

.kb-payment-method-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px;
    background: var(--kb-gray-50);
    border-bottom: 1px solid var(--kb-gray-200);
}

.kb-payment-method-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kb-payment-method-info svg {
    width: 24px;
    height: 24px;
    color: var(--kb-gray-500);
}

.kb-payment-method-info strong {
    display: block;
    font-size: 14px;
    color: var(--kb-gray-900);
}

.kb-payment-method-info span {
    display: block;
    font-size: 12px;
    color: var(--kb-gray-500);
}

.kb-payment-method-details {
    padding: 16px;
}

/* ========================================
   BANK PREVIEW
======================================== */
.kb-bank-preview {
    background: var(--kb-gray-50);
    padding: 16px;
    border-radius: var(--kb-radius);
    font-family: 'Monaco', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.8;
    border: 1px solid var(--kb-gray-200);
}

/* ========================================
   RICHTEXT EDITOR
======================================== */
.kb-richtext-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    padding: 10px;
    background: var(--kb-gray-50);
    border: 1px solid var(--kb-gray-300);
    border-bottom: none;
    border-radius: var(--kb-radius) var(--kb-radius) 0 0;
}

.kb-richtext-toolbar button {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 4px 8px;
    border: 1px solid var(--kb-gray-300);
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
    font-size: 13px;
    color: var(--kb-gray-700);
    transition: all var(--kb-transition);
}

.kb-richtext-toolbar button:hover {
    background: var(--kb-primary);
    color: #fff;
    border-color: var(--kb-primary);
}

.kb-richtext-toolbar button.active {
    background: var(--kb-primary);
    color: #fff;
    border-color: var(--kb-primary);
}

.kb-richtext-toolbar button svg {
    width: 16px;
    height: 16px;
}

.kb-richtext-editor {
    min-height: 150px;
    padding: 14px;
    border: 1px solid var(--kb-gray-300);
    border-radius: 0 0 var(--kb-radius) var(--kb-radius);
    background: #fff;
    font-size: 14px;
    line-height: 1.6;
}

.kb-richtext-editor:focus {
    outline: none;
    border-color: var(--kb-primary);
}

/* ========================================
   UPLOAD ZONE
======================================== */
.kb-upload-zone {
    border: 2px dashed var(--kb-gray-300);
    border-radius: var(--kb-radius-lg);
    padding: 40px;
    text-align: center;
    background: var(--kb-gray-50);
    transition: all var(--kb-transition);
    cursor: pointer;
}

.kb-upload-zone:hover {
    border-color: var(--kb-primary);
    background: var(--kb-primary-light);
}

/* ========================================
   CHARTS
======================================== */
.kb-chart-card {
    background: #fff;
    border-radius: var(--kb-radius-lg);
    box-shadow: var(--kb-shadow);
    padding: 20px;
    margin-bottom: 24px;
}

.kb-weekday-chart {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.kb-weekday-bar {
    display: flex;
    align-items: center;
    gap: 12px;
}

.kb-bar-label {
    width: 80px;
    font-size: 13px;
    color: var(--kb-gray-600);
}

.kb-bar-fill {
    flex: 1;
    height: 24px;
    background: var(--kb-primary);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.kb-bar-value {
    width: 50px;
    text-align: right;
    font-size: 13px;
    font-weight: 600;
    color: var(--kb-gray-700);
}

/* ========================================
   MODAL
======================================== */
.kb-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.kb-modal.show {
    display: flex;
}

.kb-modal-content,
.kb-consent-modal-content {
    background: #fff;
    border-radius: var(--kb-radius-lg);
    box-shadow: var(--kb-shadow-lg);
    max-width: 560px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
}

.kb-modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--kb-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kb-modal-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 600;
}

.kb-modal-close {
    background: none;
    border: none;
    padding: 8px;
    cursor: pointer;
    color: var(--kb-gray-500);
    border-radius: var(--kb-radius);
}

.kb-modal-close:hover {
    background: var(--kb-gray-100);
    color: var(--kb-gray-900);
}

.kb-modal-body,
.kb-consent-modal-body {
    padding: 20px;
}

.kb-modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--kb-gray-200);
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    background: var(--kb-gray-50);
}

/* ========================================
   EMPTY STATE
======================================== */
.kb-empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--kb-gray-500);
}

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

.kb-empty-state h3 {
    font-size: 18px;
    color: var(--kb-gray-700);
    margin: 0 0 8px 0;
}

.kb-empty-state p {
    margin: 0 0 20px 0;
}

/* ========================================
   PROGRESS
======================================== */
.kb-progress-bar {
    height: 6px;
    background: var(--kb-gray-200);
    border-radius: 3px;
    overflow: hidden;
}

.kb-progress-fill {
    height: 100%;
    background: var(--kb-primary);
    transition: width 0.5s ease;
}

.kb-progress-text {
    font-size: 12px;
    color: var(--kb-gray-500);
    margin-top: 6px;
    text-align: center;
}

/* ========================================
   COURSE GRID
======================================== */
.kb-course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.kb-course-card {
    background: #fff;
    border-radius: var(--kb-radius-lg);
    padding: 20px;
    box-shadow: var(--kb-shadow);
    border-left: 4px solid var(--kb-primary);
    transition: all var(--kb-transition);
}

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

/* ========================================
   MEDIA GRID
======================================== */
.kb-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 16px;
}

.kb-media-item {
    position: relative;
    aspect-ratio: 1;
    border-radius: var(--kb-radius);
    overflow: hidden;
    box-shadow: var(--kb-shadow);
}

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

.kb-media-actions {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--kb-transition);
}

.kb-media-item:hover .kb-media-actions {
    opacity: 1;
}

/* ========================================
   TEXT HELPERS
======================================== */
.kb-text-muted { color: var(--kb-gray-500); }
.kb-text-success { color: var(--kb-success); }
.kb-text-warning { color: var(--kb-warning); }
.kb-text-danger { color: var(--kb-danger); }

/* ========================================
   REVENUE TABLE
======================================== */
.kb-revenue-table tr {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
}

.kb-revenue-table tr:not(:last-child) {
    border-bottom: 1px solid var(--kb-gray-100);
}

.kb-revenue-table .total {
    font-weight: 700;
    font-size: 16px;
    border-top: 2px solid var(--kb-gray-200);
    padding-top: 12px;
    margin-top: 4px;
}

/* ========================================
   SMTP SETTINGS
======================================== */
.kb-smtp-settings {
    margin-top: 20px;
}

.kb-smtp-presets {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}

.kb-smtp-presets button {
    padding: 8px 14px;
    border: 1px solid var(--kb-gray-300);
    border-radius: var(--kb-radius);
    background: #fff;
    font-size: 13px;
    cursor: pointer;
    transition: all var(--kb-transition);
}

.kb-smtp-presets button:hover {
    border-color: var(--kb-primary);
    color: var(--kb-primary);
}

/* ========================================
   CODE BLOCK
======================================== */
.kb-code-block {
    background: var(--kb-gray-900);
    border-radius: var(--kb-radius);
    overflow: hidden;
}

.kb-code-header {
    padding: 10px 16px;
    background: var(--kb-gray-800);
    font-size: 12px;
    color: var(--kb-gray-400);
}

.kb-code-block pre,
.kb-code-block code {
    margin: 0;
    padding: 16px;
    color: #e2e8f0;
    font-size: 13px;
    font-family: 'Monaco', 'Consolas', monospace;
    overflow-x: auto;
}

.kb-api-example {
    background: var(--kb-gray-50);
    border: 1px solid var(--kb-gray-200);
    border-radius: var(--kb-radius);
    padding: 16px;
    margin-top: 16px;
}

/* ========================================
   AI CARD
======================================== */
.kb-ai-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: var(--kb-radius-lg);
    padding: 24px;
    color: #fff;
    margin-bottom: 24px;
}

.kb-ai-recommendations {
    background: rgba(255,255,255,0.1);
    border-radius: var(--kb-radius);
    padding: 16px;
    margin-top: 16px;
}

/* ========================================
   VIEW ALL LINK
======================================== */
.kb-view-all {
    display: block;
    text-align: center;
    padding: 12px;
    color: var(--kb-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 13px;
    border-top: 1px solid var(--kb-gray-100);
    margin-top: 12px;
}

.kb-view-all:hover {
    background: var(--kb-gray-50);
}

/* ========================================
   BACK LINK
======================================== */
.kb-back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--kb-gray-500);
    text-decoration: none;
    font-size: 13px;
    margin-bottom: 16px;
}

.kb-back-link:hover {
    color: var(--kb-primary);
}

/* ========================================
   SHARE BUTTONS
======================================== */
.kb-share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    border-radius: var(--kb-radius);
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    color: #fff;
}

.kb-share-whatsapp {
    background: #25d366;
}

.kb-share-email {
    background: var(--kb-gray-600);
}

/* ========================================
   RESPONSIVE
======================================== */
@media (max-width: 1280px) {
    .kb-form-grid {
        grid-template-columns: 1fr;
    }
    
    .kb-form-sidebar {
        position: static;
    }
}

@media (max-width: 1024px) {
    .kb-dashboard-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .kb-portal-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s ease;
    }
    
    .kb-portal-sidebar.open {
        transform: translateX(0);
    }
    
    .kb-portal-main {
        margin-left: 0;
    }
    
    .kb-mobile-menu-toggle {
        display: block;
    }
    
    .kb-portal-content {
        padding: 16px;
    }
    
    .kb-portal-header {
        padding: 12px 16px;
    }
    
    .kb-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .kb-form-row-group {
        flex-direction: column;
        gap: 0;
    }
    
    .kb-bookings-table {
        overflow-x: auto;
    }
    
    .kb-course-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .kb-stats-grid {
        grid-template-columns: 1fr;
    }
    
    .kb-quick-actions {
        flex-direction: column;
    }
    
    .kb-quick-actions .kb-btn,
    .kb-quick-actions .kb-action-btn {
        width: 100%;
        justify-content: center;
    }
    
    .kb-tabs,
    .kb-settings-tabs {
        flex-direction: column;
        padding: 8px;
    }
    
    .kb-tabs a,
    .kb-settings-tabs a {
        justify-content: center;
    }
    
    .kb-toolbar {
        flex-direction: column;
        align-items: stretch;
    }
    
    .kb-action-buttons {
        flex-direction: column;
    }
}

/* Sidebar Overlay (Mobile) */
.kb-sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 99;
}

.kb-sidebar-overlay.active {
    display: block;
}