/* Documentation Styles - Uses main site design tokens */

/* ============================================== */
/* DOCS LAYOUT                                    */
/* ============================================== */

.docs-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header Navigation */
.docs-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: rgba(13, 13, 13, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--stroke-default);
    z-index: 100;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-xl);
}

.docs-header-inner {
    max-width: 1400px;
    width: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.docs-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 1.125rem;
}

.docs-logo-icon {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
}

.docs-logo-divider {
    color: var(--text-tertiary);
    font-weight: 400;
}

.docs-logo-text {
    color: var(--accent-cyan);
}

/* Search Bar */
.docs-search {
    flex: 1;
    max-width: 400px;
}

.docs-search-input {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--bg-elevated);
    border: 1px solid var(--stroke-default);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.docs-search-input::placeholder {
    color: var(--text-tertiary);
}

.docs-search-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}

/* Header CTA */
.docs-header-cta {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.docs-header-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(33, 150, 243, 0.3);
    color: var(--text-primary);
}

.docs-header-cta svg {
    width: 18px;
    height: 18px;
}

/* Main Content Area */
.docs-main {
    margin-top: 64px;
    flex: 1;
}

/* ============================================== */
/* INDEX PAGE - ARTICLE GRID                      */
/* ============================================== */

.docs-index-hero {
    background: var(--bg-secondary);
    padding: var(--spacing-xxxl) var(--spacing-xl);
    text-align: center;
    border-bottom: 1px solid var(--stroke-default);
}

.docs-index-hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.docs-index-hero p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

/* Category Filters */
.docs-filters {
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    margin-top: var(--spacing-xl);
}

.docs-filter-btn {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: transparent;
    border: 1px solid var(--stroke-default);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-family: inherit;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.docs-filter-btn:hover {
    border-color: var(--stroke-light);
    color: var(--text-primary);
}

.docs-filter-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: var(--text-primary);
}

/* Article Grid */
.docs-grid-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xxl) var(--spacing-xl);
}

.docs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

/* Article Card */
.docs-card {
    background: var(--bg-secondary);
    border: 1px solid var(--stroke-default);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    text-decoration: none;
    display: flex;
    flex-direction: column;
    transition: all var(--transition-normal);
}

.docs-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(33, 150, 243, 0.15);
}

.docs-card-category {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(33, 150, 243, 0.15);
    color: var(--accent-cyan);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-md);
    align-self: flex-start;
}

.docs-card h2 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.4;
}

.docs-card p {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    flex: 1;
    margin-bottom: var(--spacing-lg);
}

.docs-card-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

.docs-card-meta span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

/* ============================================== */
/* ARTICLE PAGE LAYOUT                            */
/* ============================================== */

.docs-article-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    max-width: 1400px;
    margin: 0 auto;
    min-height: calc(100vh - 64px);
}

/* Sidebar */
.docs-sidebar {
    position: sticky;
    top: 64px;
    height: calc(100vh - 64px);
    overflow-y: auto;
    padding: var(--spacing-xl);
    background: var(--bg-secondary);
    border-right: 1px solid var(--stroke-default);
}

.docs-sidebar-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-lg);
}

.docs-toc {
    list-style: none;
}

.docs-toc li {
    margin-bottom: 2px;
}

.docs-toc a {
    display: block;
    padding: 4px var(--spacing-md);
    color: var(--text-secondary);
    font-size: 0.8125rem;
    line-height: 1.4;
    text-decoration: none;
    border-radius: var(--radius-sm);
    border-left: 2px solid transparent;
    transition: all var(--transition-fast);
}

.docs-toc a:hover {
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.docs-toc a.active {
    color: var(--accent-cyan);
    border-left-color: var(--accent-cyan);
    background: rgba(79, 195, 247, 0.1);
}

.docs-toc-h3 {
    padding-left: var(--spacing-xl) !important;
    font-size: 0.75rem !important;
}

/* Article Content */
.docs-content {
    padding: var(--spacing-xxl) var(--spacing-xxxl);
    max-width: 800px;
}

/* Breadcrumbs */
.docs-breadcrumbs {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xl);
}

.docs-breadcrumbs a {
    color: var(--text-tertiary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.docs-breadcrumbs a:hover {
    color: var(--accent-cyan);
}

.docs-breadcrumbs span {
    color: var(--text-tertiary);
}

.docs-breadcrumbs-current {
    color: var(--text-secondary);
}

/* Article Header */
.docs-article-header {
    margin-bottom: var(--spacing-xxl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid var(--stroke-default);
}

.docs-article-header h1 {
    font-size: 2.25rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.3;
}

.docs-article-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Article Body */
.docs-article-body h2 {
    font-size: 1.5rem;
    margin-top: var(--spacing-xxl);
    margin-bottom: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    color: var(--text-primary);
    scroll-margin-top: 80px;
}

.docs-article-body h3 {
    font-size: 1.25rem;
    margin-top: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    scroll-margin-top: 80px;
}

.docs-article-body p {
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.docs-article-body ul,
.docs-article-body ol {
    margin-bottom: var(--spacing-lg);
    padding-left: var(--spacing-xl);
}

.docs-article-body ul {
    list-style-type: disc;
}

.docs-article-body ol {
    list-style-type: decimal;
}

.docs-article-body li {
    margin-bottom: var(--spacing-sm);
    color: var(--text-secondary);
    line-height: 1.7;
}

.docs-article-body strong {
    color: var(--text-primary);
    font-weight: 600;
}

/* Code Blocks */
.docs-article-body code {
    background: var(--bg-elevated);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 0.875em;
    color: var(--accent-cyan);
}

.docs-article-body pre {
    background: var(--bg-secondary);
    border: 1px solid var(--stroke-default);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    overflow-x: auto;
    margin-bottom: var(--spacing-lg);
    max-width: 100%;
}

.docs-article-body pre code {
    background: none;
    padding: 0;
    color: var(--text-primary);
    font-size: 0.875rem;
    line-height: 1.6;
    word-break: break-word;
    white-space: pre-wrap;
}

/* Tables */
.docs-article-body table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--stroke-default);
}

.docs-article-body thead {
    background: var(--bg-elevated);
}

.docs-article-body th {
    text-align: left;
    padding: var(--spacing-md) var(--spacing-lg);
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 1px solid var(--stroke-default);
    font-size: 0.875rem;
}

.docs-article-body td {
    padding: var(--spacing-md) var(--spacing-lg);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--stroke-default);
    font-size: 0.875rem;
}

.docs-article-body tbody tr:last-child td {
    border-bottom: none;
}

.docs-article-body tbody tr:hover {
    background: var(--bg-elevated);
}

/* Callouts/Tips */
.docs-callout {
    background: var(--bg-secondary);
    border-left: 4px solid var(--accent-blue);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.docs-callout-tip {
    border-left-color: var(--type-array);
}

.docs-callout-warning {
    border-left-color: var(--accent-gold);
}

.docs-callout-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.docs-callout p {
    margin-bottom: 0;
}

/* Images */
.docs-article-body img {
    max-width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    margin: var(--spacing-lg) 0;
    border: 1px solid var(--stroke-default);
}

/* ============================================== */
/* GOOGLE PLAY CTA                                */
/* ============================================== */

.docs-play-cta {
    background: linear-gradient(135deg, rgba(33, 150, 243, 0.1) 0%, rgba(79, 195, 247, 0.05) 100%);
    border: 1px solid var(--accent-blue);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin: var(--spacing-xxl) 0;
    text-align: center;
}

.docs-play-cta h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    margin-top: 0;
    color: var(--text-primary);
}

.docs-play-cta p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.docs-play-cta .btn-primary {
    display: inline-flex;
}

/* ============================================== */
/* ARTICLE NAVIGATION                             */
/* ============================================== */

.docs-article-nav {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xxxl);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--stroke-default);
}

.docs-article-nav-link {
    display: flex;
    flex-direction: column;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 1px solid var(--stroke-default);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}

.docs-article-nav-link:hover {
    border-color: var(--accent-blue);
}

.docs-article-nav-link:last-child {
    text-align: right;
}

.docs-article-nav-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-xs);
}

.docs-article-nav-title {
    font-weight: 600;
    color: var(--accent-cyan);
}

/* ============================================== */
/* FOOTER                                         */
/* ============================================== */

.docs-footer {
    background: var(--bg-secondary);
    padding: var(--spacing-xl);
    text-align: center;
    border-top: 1px solid var(--stroke-default);
}

.docs-footer p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
}

.docs-footer a {
    color: var(--accent-cyan);
    text-decoration: none;
}

.docs-footer a:hover {
    text-decoration: underline;
}

/* ============================================== */
/* READING PROGRESS                               */
/* ============================================== */

.docs-progress {
    position: fixed;
    top: 64px;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    z-index: 99;
    transition: width 0.1s ease-out;
}

/* ============================================== */
/* MOBILE SIDEBAR TOGGLE                          */
/* ============================================== */

.docs-sidebar-toggle {
    display: none;
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 48px;
    height: 48px;
    background: var(--accent-blue);
    border: none;
    border-radius: 50%;
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(33, 150, 243, 0.4);
    z-index: 101;
    align-items: center;
    justify-content: center;
}

.docs-sidebar-toggle svg {
    width: 24px;
    height: 24px;
}

/* ============================================== */
/* RESPONSIVE                                     */
/* ============================================== */

@media (max-width: 1024px) {
    .docs-article-layout {
        grid-template-columns: 1fr;
    }

    .docs-sidebar {
        position: fixed;
        left: -100%;
        top: 64px;
        width: 280px;
        height: calc(100vh - 64px);
        z-index: 100;
        transition: left var(--transition-normal);
    }

    .docs-sidebar.open {
        left: 0;
    }

    .docs-sidebar-toggle {
        display: flex;
    }

    .docs-content {
        padding: var(--spacing-xl);
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    .docs-header {
        padding: 0 var(--spacing-lg);
    }

    .docs-search {
        display: none;
    }

    .docs-header-cta span {
        display: none;
    }

    .docs-index-hero {
        padding: var(--spacing-xxl) var(--spacing-lg);
    }

    .docs-index-hero h1 {
        font-size: 1.75rem;
    }

    .docs-grid-container {
        padding: var(--spacing-xl) var(--spacing-lg);
    }

    .docs-grid {
        grid-template-columns: 1fr;
    }

    .docs-article-header h1 {
        font-size: 1.75rem;
    }

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

    .docs-article-nav-link:last-child {
        text-align: left;
    }
}

@media (max-width: 480px) {

    .docs-logo-divider,
    .docs-logo-text {
        display: none;
    }

    .docs-content {
        padding: var(--spacing-lg);
    }

    .docs-article-body h2 {
        font-size: 1.25rem;
    }

    .docs-article-body h3 {
        font-size: 1.125rem;
    }
}