/* AirDoc Public CSS — 10.05 */
/* Works WITHIN the site's Bootstrap + style.css design */
/* No standalone header/footer — those come from the site itself */

/* ── Documentation Color Overrides ────────────────────────── */
/* The site may use a dark theme (light text on dark bg), but docs
   always render on a light background. Force readable colors here
   so documentation is never white-on-white or otherwise unreadable. */

.main-content {
    --site-text-primary: #0D1B2A;
    --site-text-secondary: #475569;
    --site-text-muted: #94a3b8;
    --site-text-inverse: #ffffff;
    --site-bg-primary: #ffffff;
    --site-bg-secondary: #f8fafc;
    --site-bg-tertiary: #f1f5f9;
    --site-border: #e2e8f0;
    --site-success: #10b981;
    --site-warning: #f59e0b;
    --site-danger: #ef4444;
    background: var(--site-bg-primary);
    color: var(--site-text-primary);
}

/* ── Base ─────────────────────────────────────────────────── */

.airdoc-body {
    /* Not used anymore — body is styled by Bootstrap + site CSS */
}

.main-content .container {
    max-width: 1200px;
}

/* ── Hero ─────────────────────────────────────────────────── */

.airdoc-hero {
    background: linear-gradient(135deg, var(--site-text-primary, #0D1B2A) 0%, color-mix(in srgb, var(--site-text-primary, #0D1B2A) 85%, var(--site-primary, #00BFFF)) 50%, color-mix(in srgb, var(--site-text-primary, #0D1B2A) 90%, var(--site-primary, #00BFFF)) 100%);
    color: var(--site-text-inverse, #fff);
    padding: 72px 0 56px;
    text-align: center;
}

.airdoc-hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin: 0 0 12px;
    letter-spacing: -0.02em;
}

.airdoc-hero-subtitle {
    font-size: 1.1rem;
    opacity: 0.85;
    margin: 0 auto 30px;
    max-width: 600px;
}

/* Hero Search */
.airdoc-hero-search {
    max-width: 500px;
    margin: 0 auto 24px;
}

.airdoc-search-box {
    display: flex;
    align-items: center;
    background: var(--site-bg-primary, #fff);
    border-radius: 12px;
    padding: 4px 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.airdoc-search-box i {
    color: var(--site-text-muted, #999);
    font-size: 16px;
}

.airdoc-search-box input {
    flex: 1;
    border: none;
    padding: 12px 12px;
    font-size: 16px;
    background: transparent;
    outline: none;
    color: var(--site-text-primary, #333);
}

.airdoc-search-box input::placeholder {
    color: var(--site-text-muted, #aaa);
}

/* Hero Stats */
.airdoc-hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 24px;
    font-size: 14px;
    opacity: 0.85;
}

.airdoc-hero-stats i {
    margin-right: 4px;
}

.airdoc-hero-pdf {
    color: var(--site-text-inverse, #fff);
    text-decoration: none;
    padding: 4px 12px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    transition: all 0.2s;
}

.airdoc-hero-pdf:hover {
    color: var(--site-text-inverse, #fff);
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.6);
}

/* ── Categories Grid ──────────────────────────────────────── */

.airdoc-categories {
    padding: 48px 0 64px;
    background: var(--site-bg-secondary, #f8f9fa);
}

.airdoc-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 24px;
}

.airdoc-category-card {
    background: var(--site-bg-primary, #fff);
    border-radius: 10px;
    border: 1px solid var(--site-border, #e8ecf0);
    overflow: hidden;
    transition: box-shadow 0.2s, transform 0.2s;
}

.airdoc-category-card:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
}

.airdoc-category-header {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 20px 20px 14px;
    border-bottom: 1px solid var(--site-border, #f0f0f0);
}

.airdoc-category-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--site-primary, #00BFFF), var(--site-primary-hover, #0099CC));
    color: var(--site-text-inverse, #fff);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.airdoc-category-title {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: var(--site-text-primary, #0D1B2A);
}

.airdoc-category-count {
    font-size: 13px;
    color: var(--site-text-secondary, #6c757d);
}

/* Article List */
.airdoc-article-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.airdoc-article-list li {
    border-bottom: 1px solid var(--site-border, #f5f5f5);
}

.airdoc-article-list li:last-child {
    border-bottom: none;
}

.airdoc-article-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    color: var(--site-text-secondary, #555);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.15s;
}

.airdoc-article-link:hover {
    background: var(--site-bg-secondary, #f8f9fa);
    color: var(--site-primary, #00BFFF);
}

.airdoc-article-link i.fa-file-alt {
    color: var(--site-text-muted, #ccc);
    font-size: 13px;
    flex-shrink: 0;
}

.airdoc-article-link:hover i.fa-file-alt {
    color: var(--site-primary, #00BFFF);
}

.airdoc-article-link .airdoc-article-title {
    flex: 1;
}

.airdoc-article-arrow {
    font-size: 11px;
    color: var(--site-text-muted, #ccc);
    transition: transform 0.15s, color 0.15s;
}

.airdoc-article-link:hover .airdoc-article-arrow {
    transform: translateX(3px);
    color: var(--site-primary, #00BFFF);
}

/* ── Single Article ───────────────────────────────────────── */

.airdoc-single {
    padding: 30px 0 60px;
}

.airdoc-breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--site-text-secondary, #6c757d);
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.airdoc-breadcrumb a {
    color: var(--site-primary, #00BFFF);
    text-decoration: none;
}

.airdoc-breadcrumb a:hover {
    text-decoration: underline;
}

.airdoc-breadcrumb .fa-chevron-right {
    font-size: 10px;
    color: var(--site-text-muted, #ccc);
}

.airdoc-breadcrumb-current {
    color: var(--site-text-secondary, #666);
}

/* Single Layout (article + TOC sidebar) */
.airdoc-single-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 40px;
    align-items: start;
}

/* Table of Contents */
.airdoc-toc {
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 100px);
    overflow-y: auto;
}

.airdoc-toc-header {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--site-text-muted, #999);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.airdoc-toc-nav a {
    display: block;
    padding: 5px 0 5px 12px;
    font-size: 13px;
    color: var(--site-text-secondary, #777);
    text-decoration: none;
    border-left: 2px solid var(--site-border, #e8e8e8);
    transition: all 0.15s;
    line-height: 1.4;
}

.airdoc-toc-nav a:hover,
.airdoc-toc-nav a.active {
    color: var(--site-primary, #00BFFF);
    border-left-color: var(--site-primary, #00BFFF);
}

.airdoc-toc-nav a.toc-h3 {
    padding-left: 24px;
    font-size: 12px;
}

/* Article */
.airdoc-article {
    min-width: 0;
}

.airdoc-article-header {
    margin-bottom: 30px;
}

.airdoc-article-category {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--site-primary, #00BFFF);
    font-weight: 500;
    margin-bottom: 8px;
}

h1.airdoc-article-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--site-text-primary, #0D1B2A);
    margin: 0 0 12px;
    line-height: 1.3;
}

.airdoc-article-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

.airdoc-btn-pdf {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    font-size: 13px;
    color: var(--site-danger, #dc3545);
    border: 1px solid var(--site-danger, #dc3545);
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.2s;
}

.airdoc-btn-pdf:hover {
    background: var(--site-danger, #dc3545);
    color: var(--site-text-inverse, #fff);
}

/* ── Article Body ─────────────────────────────────────────── */

.airdoc-article-body {
    font-size: 15px;
    line-height: 1.75;
    color: var(--site-text-primary, #3c4257);
}

.airdoc-article-body h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--site-text-primary, #0D1B2A);
    margin: 36px 0 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--site-border, #eee);
}

.airdoc-article-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--site-text-primary, #333);
    margin: 28px 0 12px;
}

.airdoc-article-body p {
    margin: 0 0 16px;
}

.airdoc-article-body ul,
.airdoc-article-body ol {
    margin: 0 0 16px;
    padding-left: 24px;
}

.airdoc-article-body li {
    margin-bottom: 6px;
}

.airdoc-article-body code {
    background: var(--site-bg-tertiary, #f4f4f4);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
    color: #c7254e; /* code highlight */
}

.airdoc-article-body pre {
    background: #1e1e2e; /* code block theme */
    color: #cdd6f4; /* code block theme */
    padding: 16px 20px;
    border-radius: 8px;
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.5;
    margin: 0 0 20px;
}

.airdoc-article-body pre code {
    background: none;
    color: inherit;
    padding: 0;
}

.airdoc-article-body blockquote {
    border-left: 3px solid var(--site-primary, #00BFFF);
    padding: 12px 16px;
    margin: 0 0 16px;
    background: rgba(var(--site-primary-rgb, 0, 191, 255), 0.04);
    border-radius: 0 8px 8px 0;
    color: var(--site-text-secondary, #555);
}

.airdoc-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 0 0 20px;
}

.airdoc-article-body th,
.airdoc-article-body td {
    border: 1px solid var(--site-border, #e8ecf0);
    padding: 10px 14px;
    text-align: left;
    font-size: 14px;
}

.airdoc-article-body th {
    background: var(--site-bg-secondary, #f8f9fa);
    font-weight: 600;
    color: var(--site-text-primary, #333);
}

.airdoc-article-body strong {
    color: var(--site-text-primary, #0D1B2A);
}

.airdoc-article-body a {
    color: var(--site-primary, #00BFFF);
    text-decoration: none;
}

.airdoc-article-body a:hover {
    text-decoration: underline;
}

/* ── Article Images (screenshots) ─────────────────────────── */

.airdoc-article-body img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    border: 1px solid var(--site-border, #e8ecf0);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
    margin: 8px 0 24px;
    display: block;
    cursor: pointer;
    transition: box-shadow 0.2s, transform 0.2s;
}

.airdoc-article-body img:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12);
    transform: translateY(-2px);
}

/* Featured screenshot — first image gets hero treatment */
.airdoc-article-body > p:first-child img,
.airdoc-article-body > p:first-of-type img {
    border-radius: 12px;
    border: 1px solid var(--site-border, #d0d7de);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    margin-bottom: 32px;
}

/* Lightbox overlay for full-size viewing */
.airdoc-lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.88);
    z-index: 9999;
    align-items: center;
    justify-content: center;
    cursor: zoom-out;
    padding: 40px;
    box-sizing: border-box;
    backdrop-filter: blur(4px);
}

.airdoc-lightbox.active {
    display: flex;
}

.airdoc-lightbox img {
    max-width: 95%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    object-fit: contain;
}

.airdoc-lightbox-close {
    position: absolute;
    top: 16px;
    right: 24px;
    color: #fff; /* lightbox overlay */
    font-size: 28px;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
    z-index: 10000;
    background: none;
    border: none;
    line-height: 1;
}

.airdoc-lightbox-close:hover {
    opacity: 1;
}

/* ── Article Navigation ───────────────────────────────────── */

.airdoc-article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--site-border, #eee);
}

.airdoc-nav-link {
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding: 14px 16px;
    border: 1px solid var(--site-border, #e8ecf0);
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.2s;
    min-height: 60px;
}

a.airdoc-nav-link:hover {
    border-color: var(--site-primary, #00BFFF);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.airdoc-nav-prev {
    text-align: left;
}

.airdoc-nav-next {
    text-align: right;
}

.airdoc-nav-label {
    font-size: 12px;
    color: var(--site-text-muted, #999);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.airdoc-nav-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--site-text-primary, #333);
}

a.airdoc-nav-link:hover .airdoc-nav-title {
    color: var(--site-primary, #00BFFF);
}

/* Back Link */
.airdoc-back {
    margin-top: 24px;
}

.airdoc-back-link {
    color: var(--site-primary, #00BFFF);
    text-decoration: none;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.airdoc-back-link:hover {
    text-decoration: underline;
}

/* ── 404 ──────────────────────────────────────────────────── */

.airdoc-404 {
    padding: 80px 0;
    text-align: center;
}

.airdoc-404-content {
    max-width: 400px;
    margin: 0 auto;
}

.airdoc-404-icon {
    font-size: 48px;
    color: var(--site-text-muted, #ccc);
    margin-bottom: 20px;
}

.airdoc-404 h1 {
    font-size: 1.8rem;
    margin-bottom: 8px;
    color: var(--site-text-primary, #333);
}

.airdoc-404 p {
    color: var(--site-text-muted, #888);
    margin-bottom: 24px;
}

.airdoc-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: var(--site-primary, #00BFFF);
    color: var(--site-text-inverse, #fff);
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: background 0.2s;
}

.airdoc-btn-primary:hover {
    background: var(--site-primary-hover, #0099CC);
    color: var(--site-text-inverse, #fff);
}

/* ── Empty State ──────────────────────────────────────────── */

.airdoc-empty {
    text-align: center;
    padding: 60px 20px;
}

.airdoc-empty-icon {
    font-size: 48px;
    color: var(--site-text-muted, #ddd);
    margin-bottom: 16px;
}

.airdoc-empty h2 {
    margin-bottom: 8px;
    color: var(--site-text-secondary, #666);
}

.airdoc-empty p {
    color: var(--site-text-muted, #999);
}

/* ── Active nav link styling ──────────────────────────────── */

.navbar-nav .nav-link.active {
    color: var(--site-primary, #00BFFF) !important;
    font-weight: 600;
}

/* ── Responsive ───────────────────────────────────────────── */

@media (max-width: 768px) {
    .airdoc-hero {
        padding: 40px 0 30px;
    }

    .airdoc-hero-title {
        font-size: 1.8rem;
    }

    .airdoc-hero-stats {
        flex-wrap: wrap;
        gap: 12px;
    }

    .airdoc-categories-grid {
        grid-template-columns: 1fr;
    }

    .airdoc-single-layout {
        grid-template-columns: 1fr;
    }

    .airdoc-toc {
        position: static;
        max-height: none;
        border: 1px solid var(--site-border, #e8ecf0);
        border-radius: 8px;
        padding: 14px;
        background: var(--site-bg-secondary, #fafafa);
    }

    h1.airdoc-article-title {
        font-size: 1.5rem;
    }

    .airdoc-article-nav {
        grid-template-columns: 1fr;
    }

    .airdoc-article-body img {
        border-radius: 8px;
        margin: 4px 0 16px;
    }
}

@media (max-width: 480px) {
    .airdoc-hero-title {
        font-size: 1.5rem;
    }
}