/* Bootstrap Design System - Shared Styles */

:root {
    --sidebar-width: 280px;
}

body {
    padding-top: 56px;
}

/* Top Navigation */
.navbar-brand {
    font-weight: 700;
    font-size: 1.25rem;
}

/* Sidebar Navigation */
.sidebar {
    position: fixed;
    top: 56px;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    overflow-y: auto;
    border-right: 1px solid var(--bs-border-color);
    background-color: var(--bs-body-bg);
    z-index: 1000;
    transition: transform 0.3s ease;
}

.sidebar.collapsed {
    transform: translateX(-100%);
}

.sidebar .nav-link {
    padding: 0.5rem 1rem;
    color: var(--bs-body-color);
    border-left: 3px solid transparent;
    transition: all 0.2s;
}

.sidebar .nav-link:hover {
    background-color: var(--bs-tertiary-bg);
    border-left-color: var(--bs-primary);
}

.sidebar .nav-link.active {
    color: var(--bs-primary);
    background-color: var(--bs-primary-bg-subtle);
    border-left-color: var(--bs-primary);
    font-weight: 500;
}

.sidebar .nav-section-title {
    padding: 0.75rem 1rem 0.25rem;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--bs-secondary);
}

/* Main Content Area */
.main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: margin-left 0.3s ease;
    min-height: calc(100vh - 56px);
}

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

/* Component Sections */
.component-section {
    scroll-margin-top: 80px;
    margin-bottom: 4rem;
}

.component-section h2 {
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--bs-border-color);
}

.component-section h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.component-section h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

/* Preview Box */
.preview-box {
    padding: 2rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    background-color: var(--bs-body-bg);
    position: relative;
}

.preview-box-alt {
    background-color: var(--bs-tertiary-bg);
}

.preview-box-dark {
    background-color: var(--bs-dark);
    color: var(--bs-light);
}

/* Code Display */
.code-container {
    position: relative;
    margin-bottom: 2rem;
}

.code-container pre {
    margin: 0;
    padding: 1.5rem;
    padding-top: 2.5rem;
    background-color: var(--bs-secondary-bg);
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
    overflow-x: auto;
}

.code-container code {
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--bs-body-color);
    font-family: 'Courier New', monospace;
}

/* Copy Button */
.copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.75rem;
    opacity: 0.7;
    transition: opacity 0.2s;
    z-index: 10;
}

.copy-btn:hover {
    opacity: 1;
}

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

/* Color Swatch */
.color-swatch {
    height: 100px;
    border-radius: 0.5rem;
    margin-bottom: 0.5rem;
    border: 1px solid var(--bs-border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.color-info {
    font-size: 0.875rem;
}

/* Icon Grid */
.icon-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 1rem;
}

.icon-item {
    text-align: center;
    padding: 1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
    transition: all 0.2s;
    cursor: pointer;
}

.icon-item:hover {
    background-color: var(--bs-tertiary-bg);
    border-color: var(--bs-primary);
    transform: translateY(-2px);
}

.icon-item i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    color: var(--bs-primary);
}

.icon-item .icon-name {
    font-size: 0.75rem;
    color: var(--bs-secondary);
    word-break: break-all;
}

/* Component Cards (for index page) */
.component-card {
    transition: transform 0.2s, box-shadow 0.2s;
    height: 100%;
}

.component-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
}

.component-card .card-icon {
    font-size: 3rem;
    color: var(--bs-primary);
    margin-bottom: 1rem;
}

.component-card .badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

/* Breadcrumb */
.breadcrumb-custom {
    background-color: transparent;
    padding: 0;
    margin-bottom: 1.5rem;
}

/* Example box for navbar demos */
.navbar-example {
    margin-bottom: 1rem;
    border: 1px solid var(--bs-border-color);
    border-radius: 0.5rem;
    overflow: hidden;
}

/* Table of Contents (for component pages) */
.toc {
    position: sticky;
    top: 70px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.toc .nav-link {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
    color: var(--bs-secondary);
}

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

.toc .nav-link.active {
    color: var(--bs-primary);
    font-weight: 500;
}

/* Theme Toggle */
.theme-toggle {
    cursor: pointer;
}

/* Responsive */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

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

    .toc {
        display: none;
    }
}

@media (max-width: 767.98px) {
    .main-content {
        padding: 1rem;
    }

    .preview-box {
        padding: 1rem;
    }
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
}

/* Print Styles */
@media print {
    .sidebar,
    .navbar,
    .copy-btn,
    .theme-toggle {
        display: none;
    }

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

/* Utility Classes */
.bg-gradient-primary {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
}

.text-gradient {
    background: linear-gradient(135deg, var(--bs-primary), var(--bs-info));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Loading Spinner for Interactive Elements */
.spinner-wrapper {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* Feature Badge */
.feature-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--bs-success-bg-subtle);
    color: var(--bs-success);
    border-radius: 0.5rem;
    font-size: 0.875rem;
    font-weight: 500;
}