/* ============================================
   TOC Builder by RobertIvan - Premium Admin Settings Styles
   ============================================ */

:root {
    --toc-primary-start: #4F46E5;
    --toc-primary-end: #7C3AED;
    --toc-accent-cyan: #06B6D4;
    --toc-accent-purple: #A855F7;
    --toc-dark: #1E293B;
    --toc-gray-100: #F1F5F9;
    --toc-gray-200: #E2E8F0;
    --toc-gray-300: #CBD5E1;
    --toc-gray-500: #64748B;
    --toc-gray-700: #334155;
    --toc-gray-900: #0F172A;
    --toc-success: #10B981;
    --toc-warning: #F59E0B;
    --toc-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --toc-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --toc-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --toc-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

/* ============================================
   Container & Layout
   ============================================ */

.tbrv-settings-wrap {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

.toc-premium-header {
    background: linear-gradient(135deg, var(--toc-primary-start) 0%, var(--toc-primary-end) 100%);
    color: white;
    padding: 2.5rem 2rem;
    box-shadow: var(--toc-shadow-lg);
    position: relative;
    overflow: hidden;
}

.toc-premium-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="50" cy="50" r="40" fill="rgba(255,255,255,0.03)"/></svg>');
    opacity: 0.1;
    pointer-events: none;
}

.toc-premium-header-content {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.toc-premium-header h1 {
    margin: 0 0 0.5rem 0;
    font-size: 2rem;
    font-weight: 700;
    color: white;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.toc-premium-badge {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 0.375rem 0.875rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.toc-premium-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 1rem;
}

/* ============================================
   Tab Navigation
   ============================================ */

.toc-premium-tabs {
    background: white;
    box-shadow: var(--toc-shadow);
    position: sticky;
    top: 32px;
    z-index: 10;
}

.toc-premium-tabs-nav {
    display: flex;
    gap: 0;
    padding: 0 2rem;
    list-style: none;
    margin: 0;
    border-bottom: 2px solid var(--toc-gray-200);
}

.toc-premium-tabs-nav li {
    margin: 0;
}

.toc-tab-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1.25rem 2rem;
    background: transparent;
    border: none;
    border-bottom: 3px solid transparent;
    color: var(--toc-gray-500);
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    white-space: nowrap;
}

.toc-tab-button:hover {
    color: var(--toc-primary-start);
    background: var(--toc-gray-100);
}

.toc-tab-button.active {
    color: var(--toc-primary-start);
    border-bottom-color: var(--toc-primary-start);
    background: linear-gradient(to bottom, rgba(79, 70, 229, 0.05), transparent);
}

.toc-tab-icon {
    font-size: 1.125rem;
}

/* Premium badge on tabs */
.toc-tab-premium-label {
    background: linear-gradient(135deg, var(--toc-accent-cyan), var(--toc-accent-purple));
    color: white;
    font-size: 0.625rem;
    padding: 0.125rem 0.375rem;
    border-radius: 0.25rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Content Cards
   ============================================ */

.toc-premium-content {
    padding: 2rem;
}

.toc-tab-pane {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.toc-tab-pane.active {
    display: block;
}

/* General Tab: 2 Column Layout */
.toc-tab-pane[data-tab-content="general"].active {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 2rem;
    align-items: start;
}

.toc-general-settings {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.toc-general-preview {
    position: sticky;
    top: 2rem;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.toc-settings-card {
    background: white;
    border-radius: 0.75rem;
    padding: 2rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--toc-shadow);
    transition: all 0.3s ease;
    border: 1px solid var(--toc-gray-200);
}

.toc-settings-card:hover {
    box-shadow: var(--toc-shadow-lg);
    transform: translateY(-2px);
}

.toc-card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--toc-gray-100);
}

.toc-card-icon {
    width: 40px;
    height: 40px;
    border-radius: 0.5rem;
    background: linear-gradient(135deg, var(--toc-primary-start), var(--toc-primary-end));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
    flex-shrink: 0;
}

.toc-card-header h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--toc-gray-900);
}

.toc-card-description {
    margin: 0 0 1.5rem 0;
    color: var(--toc-gray-500);
    font-size: 0.875rem;
    line-height: 1.6;
}

/* ============================================
   Form Elements
   ============================================ */

.toc-settings-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    align-items: start;
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--toc-gray-100);
}

.toc-settings-row:last-child {
    border-bottom: none;
}

.toc-settings-label {
    font-weight: 600;
    color: var(--toc-gray-700);
    font-size: 0.9375rem;
    padding-top: 0.5rem;
}

.toc-settings-control {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Enhanced Checkboxes */
.toc-checkbox-wrapper {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: var(--toc-gray-100);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.toc-checkbox-wrapper:hover {
    background: var(--toc-gray-200);
}

.toc-checkbox-wrapper label {
    margin: 0;
    cursor: pointer;
    color: var(--toc-gray-700);
    font-weight: 500;
    flex-grow: 1;
}

.toc-checkbox-wrapper input[type="checkbox"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--toc-primary-start);
}

/* Enhanced Select */
.toc-select-wrapper select {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 2px solid var(--toc-gray-200);
    border-radius: 0.5rem;
    font-size: 0.9375rem;
    color: var(--toc-gray-700);
    background: white;
    transition: all 0.2s ease;
    cursor: pointer;
}

.toc-select-wrapper select:hover {
    border-color: var(--toc-gray-300);
}

.toc-select-wrapper select:focus {
    outline: none;
    border-color: var(--toc-primary-start);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

/* Heading Checkboxes */
.toc-headings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 0.75rem;
}

.toc-heading-option {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem;
    background: var(--toc-gray-100);
    border: 2px solid var(--toc-gray-200);
    border-radius: 0.5rem;
    transition: all 0.2s ease;
    cursor: pointer;
    min-height: 50px;
}

.toc-heading-option:hover {
    background: var(--toc-gray-200);
    border-color: var(--toc-gray-300);
}

/* Checked state - change box appearance */
.toc-heading-option:has(input[type="checkbox"]:checked) {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(124, 58, 237, 0.1));
    border-color: var(--toc-primary-start);
}

/* Make checkbox invisible overlay */
.toc-heading-option input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    cursor: pointer;
    margin: 0;
    z-index: 2;
}

/* Label styling */
.toc-heading-option label {
    cursor: pointer;
    margin: 0;
    font-weight: 600;
    color: var(--toc-gray-600);
    user-select: none;
    pointer-events: none;
    position: relative;
    z-index: 1;
    transition: all 0.2s ease;
}

/* Change label color when checked */
.toc-heading-option input[type="checkbox"]:checked+label {
    color: var(--toc-primary-start);
    font-weight: 700;
}

/* ============================================
   Live Preview
   ============================================ */

.toc-preview-card {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 0.75rem;
    padding: 2rem;
    position: relative;
    overflow: hidden;
}



.toc-preview-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="60" height="60" xmlns="http://www.w3.org/2000/svg"><circle cx="30" cy="30" r="25" fill="rgba(255,255,255,0.05)"/></svg>');
    opacity: 0.3;
}

.toc-preview-header {
    position: relative;
    z-index: 1;
    color: white;
    margin-bottom: 1.5rem;
}

.toc-preview-header h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    font-weight: 700;
}

.toc-preview-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 0.875rem;
}

.tbrv-preview {
    position: relative;
    z-index: 1;
}

.tbrv-container {
    background: white;
    border-radius: 0.75rem;
    padding: 1.5rem;
    box-shadow: var(--toc-shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.tbrv-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 2px solid var(--toc-gray-100);
}

.tbrv-title {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--toc-gray-900);
}

.tbrv-toggle {
    font-size: 0.875rem;
}

.tbrv-toggle-link {
    color: var(--toc-primary-start);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.2s ease;
}

.tbrv-toggle-link:hover {
    color: var(--toc-primary-end);
}

.tbrv-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.tbrv-list li {
    margin-bottom: 0.5rem;
}

.tbrv-list ul {
    list-style: none;
    margin-left: 1.25rem;
    padding: 0;
    margin-top: 0.5rem;
}

.tbrv-link {
    color: var(--toc-gray-700);
    text-decoration: none;
    transition: all 0.2s ease;
    display: inline-block;
    padding: 0.25rem 0;
    font-size: 0.9375rem;
}

.tbrv-link:hover {
    color: var(--toc-primary-start);
    transform: translateX(4px);
}

/* ============================================
   Submit Button
   ============================================ */

.toc-submit-wrapper {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--toc-gray-100);
}

.toc-submit-wrapper .button-primary {
    background: linear-gradient(135deg, var(--toc-primary-start), var(--toc-primary-end)) !important;
    border: none !important;
    padding: 0.875rem 2.5rem !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    border-radius: 0.5rem !important;
    box-shadow: var(--toc-shadow-lg) !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    height: auto !important;
}

.toc-submit-wrapper .button-primary:hover {
    transform: translateY(-2px) !important;
    box-shadow: var(--toc-shadow-xl) !important;
}

.toc-submit-wrapper .button-primary:active {
    transform: translateY(0) !important;
}

/* ============================================
   Premium Features Section
   ============================================ */

.toc-premium-features {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Responsive grid for feature cards */
@media (max-width: 1400px) {
    .toc-premium-features {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 1024px) {
    .toc-premium-features {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .toc-premium-features {
        grid-template-columns: 1fr;
    }
}

.toc-feature-card {
    background: white;
    border: 2px solid var(--toc-gray-200);
    border-radius: 0.75rem;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.toc-feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--toc-accent-cyan), var(--toc-accent-purple));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.toc-feature-card:hover::before {
    transform: scaleX(1);
}

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

.toc-feature-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 1rem;
    background: linear-gradient(135deg, var(--toc-primary-start), var(--toc-primary-end));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: white;
}

.toc-feature-card h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--toc-gray-900);
}

.toc-feature-card p {
    margin: 0;
    color: var(--toc-gray-500);
    font-size: 0.875rem;
    line-height: 1.6;
}

.toc-coming-soon {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.375rem 0.875rem;
    background: var(--toc-gray-100);
    color: var(--toc-gray-600);
    font-size: 0.75rem;
    font-weight: 600;
    border-radius: 9999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Responsive Design
   ============================================ */

@media (max-width: 782px) {
    .toc-premium-header {
        padding: 1.5rem 1rem;
    }

    .toc-premium-header h1 {
        font-size: 1.5rem;
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .toc-premium-tabs-nav {
        flex-wrap: wrap;
        padding: 0 1rem;
    }

    .toc-tab-button {
        padding: 1rem 1.25rem;
        font-size: 0.875rem;
    }

    .toc-premium-content {
        padding: 1rem;
    }

    .toc-settings-card {
        padding: 1.5rem;
    }

    .toc-settings-row {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }

    .toc-settings-label {
        padding-top: 0;
    }

    .toc-preview-card {
        padding: 1.5rem;
    }

    /* General tab: stack on mobile */
    .toc-tab-pane[data-tab-content="general"],
    .toc-tab-pane[data-tab-content="general"].active {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .toc-general-preview {
        position: static;
    }
}

@media (max-width: 600px) {
    .toc-headings-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   Utilities
   ============================================ */

.toc-helper-text {
    color: var(--toc-gray-500);
    font-size: 0.8125rem;
    margin-top: 0.375rem;
    line-height: 1.5;
}

.toc-success-message {
    background: rgba(16, 185, 129, 0.1);
    border-left: 4px solid var(--toc-success);
    padding: 1rem;
    border-radius: 0.5rem;
    color: var(--toc-gray-700);
    margin-bottom: 1.5rem;
}

.toc-info-box {
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.1), rgba(124, 58, 237, 0.1));
    border-left: 4px solid var(--toc-primary-start);
    padding: 1rem;
    border-radius: 0.5rem;
    margin-top: 1rem;
}

.toc-info-box p {
    margin: 0;
    color: var(--toc-gray-700);
    font-size: 0.875rem;
    line-height: 1.6;
}