/* Classerna Documentation Styles - Brand Guidelines v1.0 */

/* Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Manrope:wght@600;700;800&display=swap');

:root {
    /* Primary: Classerna Blue */
    --classerna-blue: #1E3A5F;
    --classerna-blue-light: #2E5A8F;
    --classerna-blue-pale: #E8EEF4;

    /* Secondary: Classerna Gold */
    --classerna-gold: #C9A227;
    --classerna-gold-light: #E8D48A;
    --classerna-gold-dark: #B8911F;

    /* Neutrals: Slate */
    --slate-900: #1A1A2E;
    --slate-600: #4A4A5A;
    --slate-400: #8A8A9A;
    --slate-200: #E5E5EB;
    --slate-100: #F5F5F8;
    --white: #FFFFFF;

    /* Status Colors */
    --success: #2E7D4A;
    --success-light: #D4EDDA;
    --warning: #B8860B;
    --warning-light: #FFF3CD;
    --error: #C53030;
    --info: #2B6CB0;
    --info-light: #E8EEF4;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 1.6;
    color: var(--slate-600);
    background-color: var(--slate-100);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: 'Manrope', sans-serif;
    color: var(--slate-900);
    line-height: 1.3;
}

/* Header */
.doc-header {
    background: var(--white);
    border-bottom: 1px solid var(--slate-200);
    padding: 1rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 8px rgba(26, 26, 46, 0.06);
}

.doc-header-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.doc-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.doc-logo img {
    height: 36px;
    width: auto;
}

.doc-logo-text {
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    font-size: 1.25rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--slate-900);
}

.doc-logo-text span {
    font-weight: 400;
    letter-spacing: normal;
    text-transform: none;
    color: var(--slate-400);
    margin-left: 0.5rem;
}

.doc-header-nav {
    display: flex;
    gap: 2rem;
}

.doc-header-nav a {
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 15px;
    color: var(--slate-600);
    text-decoration: none;
    transition: color 0.2s;
    position: relative;
}

.doc-header-nav a:hover {
    color: var(--classerna-blue);
}

.doc-header-nav a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--classerna-gold);
    transition: width 0.2s;
}

.doc-header-nav a:hover::after {
    width: 100%;
}

/* Layout */
.doc-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 2rem;
    padding: 2rem;
    min-height: calc(100vh - 70px);
}

/* Sidebar */
.doc-sidebar {
    background: var(--white);
    border-radius: 12px;
    padding: 1.5rem;
    height: fit-content;
    position: sticky;
    top: 90px;
    border: 1px solid var(--slate-200);
}

.doc-sidebar h3 {
    font-family: 'Manrope', sans-serif;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--slate-400);
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--slate-200);
}

.doc-sidebar ul {
    list-style: none;
    margin-bottom: 1.5rem;
}

.doc-sidebar li {
    margin-bottom: 0.25rem;
}

.doc-sidebar a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--slate-600);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 400;
    transition: all 0.2s;
}

.doc-sidebar a:hover {
    background: var(--classerna-blue-pale);
    color: var(--classerna-blue);
}

.doc-sidebar a.active {
    background: var(--classerna-blue);
    color: var(--white);
    font-weight: 500;
}

/* Main Content */
.doc-content {
    background: var(--white);
    border-radius: 12px;
    padding: 2.5rem;
    border: 1px solid var(--slate-200);
}

.doc-content h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--slate-900);
}

.doc-content h2 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-top: 2.5rem;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--classerna-blue-pale);
    color: var(--slate-900);
}

.doc-content h3 {
    font-size: 1.375rem;
    font-weight: 600;
    margin-top: 2rem;
    margin-bottom: 0.75rem;
    color: var(--slate-900);
}

.doc-content h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--slate-600);
}

.doc-content p {
    margin-bottom: 1rem;
    color: var(--slate-600);
}

.doc-content ul, .doc-content ol {
    margin-bottom: 1rem;
    padding-left: 1.5rem;
}

.doc-content li {
    margin-bottom: 0.5rem;
    color: var(--slate-600);
}

.doc-content a {
    color: var(--classerna-blue);
    text-decoration: none;
    font-weight: 500;
}

.doc-content a:hover {
    color: var(--classerna-blue-light);
    text-decoration: underline;
}

/* Lead paragraph */
.doc-lead {
    font-size: 1.125rem;
    color: var(--slate-400);
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--slate-200);
    line-height: 1.7;
}

/* Image Placeholders */
.doc-image-placeholder {
    background: linear-gradient(135deg, var(--slate-100) 0%, var(--classerna-blue-pale) 100%);
    border: 2px dashed var(--slate-200);
    border-radius: 10px;
    padding: 3rem 2rem;
    margin: 1.5rem 0;
    text-align: center;
}

.doc-image-placeholder .placeholder-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.4;
}

.doc-image-placeholder .placeholder-label {
    font-family: 'Manrope', sans-serif;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 0.5rem;
}

.doc-image-placeholder .placeholder-desc {
    font-size: 0.9rem;
    color: var(--slate-400);
    max-width: 400px;
    margin: 0 auto;
}

.doc-image-placeholder .placeholder-filename {
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.85rem;
    background: var(--white);
    padding: 0.25rem 0.75rem;
    border-radius: 4px;
    display: inline-block;
    margin-top: 1rem;
    color: var(--classerna-blue);
    border: 1px solid var(--slate-200);
}

/* Code blocks */
.doc-code {
    background: var(--slate-900);
    color: #E5E7EB;
    padding: 1rem 1.25rem;
    border-radius: 8px;
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.9rem;
    overflow-x: auto;
    margin: 1rem 0;
}

.doc-code code {
    color: inherit;
    background: none;
    padding: 0;
}

/* Inline code */
code {
    background: var(--classerna-blue-pale);
    padding: 0.15rem 0.4rem;
    border-radius: 4px;
    font-family: 'Fira Code', 'Monaco', monospace;
    font-size: 0.9em;
    color: var(--classerna-blue);
}

/* Info boxes */
.doc-note, .doc-tip, .doc-warning {
    padding: 1rem 1.25rem;
    border-radius: 8px;
    margin: 1.5rem 0;
    border-left: 4px solid;
}

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

.doc-note strong {
    color: var(--info);
}

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

.doc-tip strong {
    color: var(--success);
}

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

.doc-warning strong {
    color: var(--warning);
}

/* Tables */
.doc-table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    font-size: 0.95rem;
}

.doc-table th, .doc-table td {
    padding: 0.75rem 1rem;
    text-align: left;
    border-bottom: 1px solid var(--slate-200);
}

.doc-table th {
    background: var(--classerna-blue-pale);
    font-family: 'Manrope', sans-serif;
    font-weight: 600;
    color: var(--slate-900);
}

.doc-table tr:hover td {
    background: var(--slate-100);
}

/* Feature cards */
.doc-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.doc-feature-card {
    background: var(--slate-100);
    border: 1px solid var(--slate-200);
    border-radius: 10px;
    padding: 1.5rem;
    transition: transform 0.2s, box-shadow 0.2s, border-color 0.2s;
}

.doc-feature-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.1);
    border-color: var(--classerna-blue-pale);
}

.doc-feature-card h4 {
    margin-top: 0;
    color: var(--classerna-blue);
}

.doc-feature-card p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* Step indicators */
.doc-steps {
    counter-reset: step-counter;
    list-style: none;
    padding-left: 0;
}

.doc-steps li {
    counter-increment: step-counter;
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1.5rem;
}

.doc-steps li::before {
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    width: 2rem;
    height: 2rem;
    background: var(--classerna-blue);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Manrope', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Breadcrumb */
.doc-breadcrumb {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.doc-breadcrumb a {
    color: var(--slate-400);
    font-weight: 400;
}

.doc-breadcrumb a:hover {
    color: var(--classerna-blue);
}

.doc-breadcrumb span {
    color: var(--slate-400);
    margin: 0 0.5rem;
}

/* Version badge */
.doc-version {
    display: inline-block;
    background: var(--classerna-gold-light);
    color: var(--classerna-gold-dark);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-left: 0.5rem;
}

/* Footer */
.doc-footer {
    background: var(--slate-900);
    color: var(--slate-400);
    padding: 2rem;
    margin-top: 2rem;
}

.doc-footer-inner {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.doc-footer a {
    color: var(--classerna-gold);
}

.doc-footer a:hover {
    color: var(--classerna-gold-light);
}

/* Responsive */
@media (max-width: 900px) {
    .doc-container {
        grid-template-columns: 1fr;
    }

    .doc-sidebar {
        position: static;
        margin-bottom: 1rem;
    }

    .doc-header-nav {
        display: none;
    }

    .doc-content h1 {
        font-size: 2rem;
    }

    .doc-content h2 {
        font-size: 1.5rem;
    }
}

/* Home page hero */
.doc-hero {
    text-align: center;
    padding: 2rem 0 3rem;
    border-bottom: 1px solid var(--slate-200);
    margin-bottom: 2rem;
}

.doc-hero h1 {
    font-size: 2.75rem;
    margin-bottom: 1rem;
    color: var(--slate-900);
}

.doc-hero p {
    font-size: 1.25rem;
    color: var(--slate-400);
    max-width: 600px;
    margin: 0 auto 1.5rem;
}

.doc-hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.doc-btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    font-size: 16px;
    text-decoration: none;
    transition: all 0.2s;
    cursor: pointer;
    border: none;
}

.doc-btn-primary {
    background: var(--classerna-gold);
    color: var(--white);
}

.doc-btn-primary:hover {
    background: var(--classerna-gold-dark);
    text-decoration: none;
    color: var(--white);
}

.doc-btn-secondary {
    background: transparent;
    color: var(--classerna-blue);
    border: 2px solid var(--classerna-blue);
}

.doc-btn-secondary:hover {
    background: var(--classerna-blue);
    color: var(--white);
    text-decoration: none;
}

/* Quick links grid */
.doc-quick-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.doc-quick-link {
    display: block;
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: 10px;
    padding: 1.5rem;
    text-decoration: none;
    transition: all 0.2s;
}

.doc-quick-link:hover {
    border-color: var(--classerna-blue);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.1);
    text-decoration: none;
    transform: translateY(-2px);
}

.doc-quick-link h3 {
    font-family: 'Manrope', sans-serif;
    color: var(--classerna-blue);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    margin-top: 0;
}

.doc-quick-link p {
    color: var(--slate-400);
    font-size: 0.95rem;
    margin: 0;
}

/* Tab styling for screenshot sections */
.screenshot-section {
    background: var(--slate-100);
    border-radius: 10px;
    padding: 1.5rem;
    margin: 1.5rem 0;
    border: 1px solid var(--slate-200);
}

.screenshot-section h4 {
    margin-top: 0;
    color: var(--classerna-blue);
}

/* Accent decorations */
.doc-accent-bar {
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--classerna-gold) 0%, var(--classerna-blue) 100%);
    border-radius: 2px;
    margin: 1rem 0;
}

/* Gold highlight for emphasis */
.doc-highlight {
    background: linear-gradient(180deg, transparent 60%, var(--classerna-gold-light) 60%);
    padding: 0 2px;
}