/* ============================================================
   DocPortal - Documentation Portal Styles
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Light Theme (default) --- */
:root {
    --sidebar-width: 280px;
    --top-bar-height: 56px;
    --color-bg: #ffffff;
    --color-bg-sidebar: #f8f9fb;
    --color-bg-topbar: #1e293b;
    --color-topbar-border: #334155;
    --color-text: #1e293b;
    --color-text-secondary: #64748b;
    --color-text-sidebar: #334155;
    --color-text-topbar: #ffffff;
    --color-primary: #3b82f6;
    --color-primary-light: #dbeafe;
    --color-border: #e2e8f0;
    --color-hover: #f1f5f9;
    --color-active-bg: #eff6ff;
    --color-active-text: #1d4ed8;
    --color-code-bg: #1e1e1e;
    --color-code-inline-bg: #f1f5f9;
    --color-code-inline-text: #be185d;
    --color-code-inline-border: #e2e8f0;
    --color-table-even-row: #f8fafc;
    --color-scrollbar-thumb: #cbd5e1;
    --color-scrollbar-thumb-hover: #94a3b8;
    --color-select-bg: #334155;
    --color-select-border: #475569;
    --color-select-text: #ffffff;
    --color-select-hover-border: #64748b;
    --color-shadow-sidebar: rgba(0, 0, 0, 0.1);
    --color-shadow-topbar: rgba(0, 0, 0, 0.12);
    --color-search-bg: #334155;
    --color-search-border: #475569;
    --color-search-text: #e2e8f0;
    --color-search-placeholder: #94a3b8;
    --color-search-dropdown-bg: #1e293b;
    --color-search-dropdown-border: #334155;
    --color-search-result-hover: #334155;
    --color-search-result-title: #e2e8f0;
    --color-search-result-snippet: #94a3b8;
    --color-search-result-type: #64748b;
    --transition-speed: 0.2s;
}

/* --- Dark Theme --- */
[data-theme="dark"] {
    --color-bg: #0f172a;
    --color-bg-sidebar: #1e293b;
    --color-bg-topbar: #0f172a;
    --color-topbar-border: #334155;
    --color-text: #e2e8f0;
    --color-text-secondary: #94a3b8;
    --color-text-sidebar: #cbd5e1;
    --color-text-topbar: #e2e8f0;
    --color-primary: #60a5fa;
    --color-primary-light: #1e3a5f;
    --color-border: #334155;
    --color-hover: #1e293b;
    --color-active-bg: #1e3a5f;
    --color-active-text: #93bbfc;
    --color-code-bg: #0d1117;
    --color-code-inline-bg: #1e293b;
    --color-code-inline-text: #f472b6;
    --color-code-inline-border: #334155;
    --color-table-even-row: #1e293b;
    --color-scrollbar-thumb: #475569;
    --color-scrollbar-thumb-hover: #64748b;
    --color-select-bg: #1e293b;
    --color-select-border: #475569;
    --color-select-text: #e2e8f0;
    --color-select-hover-border: #64748b;
    --color-shadow-sidebar: rgba(0, 0, 0, 0.3);
    --color-shadow-topbar: rgba(0, 0, 0, 0.3);
    --color-search-bg: #1e293b;
    --color-search-border: #475569;
    --color-search-text: #e2e8f0;
    --color-search-placeholder: #64748b;
    --color-search-dropdown-bg: #1e293b;
    --color-search-dropdown-border: #334155;
    --color-search-result-hover: #334155;
    --color-search-result-title: #e2e8f0;
    --color-search-result-snippet: #94a3b8;
    --color-search-result-type: #64748b;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Noto Sans', Helvetica, Arial, sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Lock body scroll when sidebar is open on mobile */
body.sidebar-open {
    overflow: hidden;
}

/* --- Top Navigation Bar --- */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--top-bar-height);
    background-color: var(--color-bg-topbar);
    color: var(--color-text-topbar);
    z-index: 1000;
    box-shadow: 0 1px 3px var(--color-shadow-topbar);
    border-bottom: 1px solid var(--color-topbar-border);
    transition: background-color var(--transition-speed), border-color var(--transition-speed);
}

.top-bar-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    padding: 0 20px;
    max-width: 100%;
    gap: 16px;
    min-width: 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text-topbar);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    flex-shrink: 0;
}

.logo svg {
    flex-shrink: 0;
}

.logo:hover {
    opacity: 0.9;
}

/* --- Search --- */
.search-container {
    position: relative;
    flex: 1;
    max-width: 420px;
    min-width: 180px;
}

.search-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.search-icon {
    position: absolute;
    left: 12px;
    color: var(--color-search-placeholder);
    pointer-events: none;
    flex-shrink: 0;
}

[dir="rtl"] .search-icon {
    left: auto;
    right: 12px;
}

.search-input {
    width: 100%;
    padding: 8px 40px 8px 38px;
    background-color: var(--color-search-bg);
    color: var(--color-search-text);
    border: 1px solid var(--color-search-border);
    border-radius: 8px;
    font-size: 0.875rem;
    outline: none;
    transition: border-color var(--transition-speed), background-color var(--transition-speed);
}

[dir="rtl"] .search-input {
    padding: 8px 38px 8px 40px;
}

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

.search-input:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

.search-kbd {
    position: absolute;
    right: 8px;
    padding: 2px 6px;
    font-size: 0.7rem;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--color-search-placeholder);
    background-color: var(--color-select-bg);
    border: 1px solid var(--color-search-border);
    border-radius: 4px;
    pointer-events: none;
    white-space: nowrap;
    line-height: 1.3;
}

[dir="rtl"] .search-kbd {
    right: auto;
    left: 8px;
}

.search-input:focus ~ .search-kbd {
    display: none;
}

/* --- Search Dropdown --- */
.search-dropdown {
    display: none;
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    right: 0;
    background-color: var(--color-search-dropdown-bg);
    border: 1px solid var(--color-search-dropdown-border);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
    z-index: 1100;
    max-height: 400px;
    overflow-y: auto;
}

.search-dropdown.visible {
    display: block;
}

.search-dropdown-inner {
    padding: 4px 0;
}

.search-result-item {
    display: block;
    padding: 10px 14px;
    text-decoration: none;
    color: var(--color-search-result-title);
    transition: background-color var(--transition-speed);
    cursor: pointer;
}

.search-result-item:hover,
.search-result-item.active {
    background-color: var(--color-search-result-hover);
}

.search-result-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-search-result-title);
    margin-bottom: 2px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.search-result-title .result-type-badge {
    font-size: 0.65rem;
    font-weight: 500;
    padding: 1px 6px;
    border-radius: 3px;
    background-color: var(--color-primary);
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.search-result-snippet {
    font-size: 0.78rem;
    color: var(--color-search-result-snippet);
    line-height: 1.4;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
}

.search-no-results {
    padding: 16px 14px;
    text-align: center;
    color: var(--color-search-result-snippet);
    font-size: 0.85rem;
}

.search-loading {
    padding: 16px 14px;
    text-align: center;
    color: var(--color-search-result-snippet);
    font-size: 0.85rem;
}

.selectors {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-shrink: 0;
    min-width: 0;
}

.selector-group {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 0;
}

.selector-group label {
    font-size: 0.8rem;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.selector-group select {
    background-color: var(--color-select-bg);
    color: var(--color-select-text);
    border: 1px solid var(--color-select-border);
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 0.875rem;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-speed), background-color var(--transition-speed), color var(--transition-speed);
}

.selector-group select:hover {
    border-color: var(--color-select-hover-border);
}

.selector-group select:focus {
    border-color: var(--color-primary);
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-text-topbar);
    cursor: pointer;
    padding: 4px;
}

/* --- Dark Mode Toggle --- */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--color-select-border);
    border-radius: 6px;
    color: var(--color-text-topbar);
    cursor: pointer;
    padding: 6px 8px;
    transition: background-color var(--transition-speed), border-color var(--transition-speed), color var(--transition-speed);
    line-height: 0;
}

.theme-toggle:hover {
    border-color: var(--color-select-hover-border);
    background-color: var(--color-select-bg);
}

.theme-toggle:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.theme-toggle .icon-sun,
.theme-toggle .icon-moon {
    display: none;
}

/* Show sun icon in dark mode (click to switch to light) */
[data-theme="dark"] .theme-toggle .icon-sun {
    display: block;
}

/* Show moon icon in light mode (click to switch to dark) */
[data-theme="light"] .theme-toggle .icon-moon {
    display: block;
}

/* System preference fallback: no [data-theme] set yet */
.theme-toggle .icon-moon {
    display: block;
}

[data-theme="dark"] .theme-toggle .icon-moon {
    display: none;
}

/* --- Main Layout --- */
.main-layout {
    display: flex;
    margin-top: var(--top-bar-height);
    min-height: calc(100vh - var(--top-bar-height));
}

/* --- Sidebar --- */
.sidebar {
    position: fixed;
    top: var(--top-bar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background-color: var(--color-bg-sidebar);
    border-right: 1px solid var(--color-border);
    overflow-y: auto;
    z-index: 900;
    transition: transform var(--transition-speed) ease, background-color var(--transition-speed), border-color var(--transition-speed);
}

.sidebar-nav {
    padding: 16px 0;
}

.sidebar-empty {
    padding: 20px;
    color: var(--color-text-secondary);
    font-style: italic;
    font-size: 0.9rem;
}

/* --- Navigation Tree --- */
.nav-tree {
    list-style: none;
    padding: 0;
    margin: 0;
}

.nav-tree .nav-tree {
    padding-left: 16px;
}

.nav-folder {
    /* Folder container */
}

.nav-folder-header {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    cursor: pointer;
    user-select: none;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-text-sidebar);
    text-decoration: none;
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* When folder header is an <a> link, reset link defaults */
a.nav-folder-header {
    color: var(--color-text-sidebar);
    border-bottom: none;
}

a.nav-folder-header:hover {
    color: var(--color-primary);
    border-bottom-color: transparent;
}

.nav-folder-header:hover {
    background-color: var(--color-hover);
}

.nav-folder-header.active {
    color: var(--color-active-text);
    background-color: var(--color-active-bg);
}

.folder-arrow {
    display: inline-block;
    width: 16px;
    text-align: center;
    font-size: 0.7rem;
    transition: transform var(--transition-speed);
    color: var(--color-text-secondary);
}

.nav-folder.expanded > .nav-folder-header .folder-arrow {
    transform: rotate(90deg);
}

.folder-name {
    flex: 1;
}

.nav-folder-children {
    display: none;
}

.nav-folder.expanded > .nav-folder-children {
    display: block;
}

.nav-item {
    /* Leaf item container */
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px 7px 32px;
    color: var(--color-text-sidebar);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    border-left: 3px solid transparent;
}

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

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

.nav-link-icon {
    font-size: 0.75rem;
    opacity: 0.6;
}

/* --- Content Area --- */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    min-width: 0;
    padding: 32px 40px;
    max-width: calc(100vw - var(--sidebar-width));
}

.doc-content {
    max-width: 900px;
    margin: 0 auto;
}

/* --- Markdown Content Styles --- */
.doc-content h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-border);
    color: var(--color-text);
    line-height: 1.3;
}

.doc-content h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 32px;
    margin-bottom: 12px;
    color: var(--color-text);
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

.doc-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: 24px;
    margin-bottom: 8px;
    color: var(--color-text);
}

.doc-content h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-top: 20px;
    margin-bottom: 8px;
    color: var(--color-text);
}

.doc-content p {
    margin-bottom: 16px;
    line-height: 1.7;
    color: var(--color-text);
}

.doc-content ul, .doc-content ol {
    margin-bottom: 16px;
    padding-left: 24px;
}

.doc-content li {
    margin-bottom: 6px;
    line-height: 1.6;
}

.doc-content a {
    color: var(--color-primary);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color var(--transition-speed);
}

.doc-content a:hover {
    border-bottom-color: var(--color-primary);
}

.doc-content blockquote {
    margin: 16px 0;
    padding: 12px 20px;
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-primary-light);
    border-radius: 0 6px 6px 0;
    color: var(--color-text);
}

.doc-content blockquote p {
    margin-bottom: 0;
}

/* --- Responsive Table Wrapper --- */
.table-scroll-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 20px;
    border-radius: 8px;
    border: 1px solid var(--color-border);
}

.doc-content .table-scroll-wrapper table {
    margin-bottom: 0;
}

.doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 20px;
    font-size: 0.9rem;
}

.doc-content th, .doc-content td {
    border: 1px solid var(--color-border);
    padding: 10px 14px;
    text-align: left;
}

.doc-content th {
    background-color: var(--color-bg-sidebar);
    font-weight: 600;
    color: var(--color-text);
}

.doc-content tr:nth-child(even) {
    background-color: var(--color-table-even-row);
}

/* --- Code Blocks --- */
.doc-content code {
    font-family: 'Cascadia Code', 'Fira Code', 'JetBrains Mono', 'Consolas', monospace;
    font-size: 0.875em;
    direction: ltr;
    text-align: left;
    unicode-bidi: embed;
}

.doc-content :not(pre) > code {
    background-color: var(--color-code-inline-bg);
    padding: 2px 6px;
    border-radius: 4px;
    color: var(--color-code-inline-text);
    border: 1px solid var(--color-code-inline-border);
}

.doc-content pre {
    margin: 16px 0;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    direction: ltr;
    text-align: left;
}

.doc-content pre code {
    display: block;
    padding: 16px 20px;
    overflow-x: auto;
    background-color: var(--color-code-bg);
    line-height: 1.5;
    font-size: 0.85rem;
    direction: ltr;
    text-align: left;
    unicode-bidi: embed;
}

/* --- Horizontal Rule --- */
.doc-content hr {
    border: none;
    border-top: 1px solid var(--color-border);
    margin: 32px 0;
}

/* --- Images --- */
.doc-content img {
    max-width: 100%;
    height: auto;
    border-radius: 6px;
    margin: 16px 0;
}

/* --- Welcome / No Docs --- */
.doc-welcome, .no-docs {
    text-align: center;
    padding: 60px 20px;
}

.no-docs pre {
    text-align: left;
    display: inline-block;
    margin-top: 20px;
}

/* --- Sidebar Overlay (mobile) --- */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: var(--top-bar-height);
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 850;
}

.sidebar-overlay.visible {
    display: block;
}

/* --- Responsive Design --- */
@media (max-width: 1024px) {
    .content {
        padding: 24px 28px;
    }

    .search-container {
        max-width: 300px;
    }
}

@media (max-width: 768px) {
    .sidebar-toggle {
        display: block;
    }

    .sidebar {
        display: none;
    }

    .sidebar.open {
        display: block;
        box-shadow: 4px 0 12px var(--color-shadow-sidebar);
    }

    .content {
        margin-left: 0;
        padding: 20px 16px;
        max-width: 100vw;
    }

    .top-bar-inner {
        gap: 8px;
        padding: 0 10px;
    }

    .selectors {
        gap: 6px;
        flex-shrink: 1;
        flex-wrap: nowrap;
        min-width: 0;
    }

    .selector-group {
        gap: 4px;
        min-width: 0;
    }

    .selector-group label {
        display: none;
    }

    .selector-group select {
        padding: 4px 8px;
        font-size: 0.8rem;
    }

    .search-container {
        max-width: 180px;
        min-width: 80px;
    }

    .search-kbd {
        display: none;
    }
}

@media (max-width: 480px) {
    .top-bar-inner {
        gap: 6px;
        padding: 0 8px;
    }

    .logo span {
        display: none;
    }

    .search-container {
        max-width: none;
        min-width: 0;
        flex: 1;
    }

    .selector-group label {
        display: none;
    }

    .selector-group select {
        padding: 3px 6px;
        font-size: 0.75rem;
    }

    .selectors {
        gap: 4px;
    }
}

/* --- Scrollbar Styling --- */
.sidebar::-webkit-scrollbar {
    width: 6px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background-color: var(--color-scrollbar-thumb);
    border-radius: 3px;
}

.sidebar::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-scrollbar-thumb-hover);
}

.search-dropdown::-webkit-scrollbar {
    width: 6px;
}

.search-dropdown::-webkit-scrollbar-track {
    background: transparent;
}

.search-dropdown::-webkit-scrollbar-thumb {
    background-color: var(--color-scrollbar-thumb);
    border-radius: 3px;
}

.search-dropdown::-webkit-scrollbar-thumb:hover {
    background-color: var(--color-scrollbar-thumb-hover);
}

/* --- RTL Support (for FA/Persian, Arabic, Hebrew etc.) --- */
[dir="rtl"] .sidebar {
    left: auto;
    right: 0;
    border-right: none;
    border-left: 1px solid var(--color-border);
}

[dir="rtl"] .content {
    margin-left: 0;
    margin-right: var(--sidebar-width);
}

[dir="rtl"] .nav-link {
    border-left: none;
    border-right: 3px solid transparent;
    padding: 7px 32px 7px 16px;
}

[dir="rtl"] .nav-link.active {
    border-right-color: var(--color-primary);
}

[dir="rtl"] .nav-tree .nav-tree {
    padding-left: 0;
    padding-right: 16px;
}

[dir="rtl"] .doc-content blockquote {
    border-left: none;
    border-right: 4px solid var(--color-primary);
    border-radius: 6px 0 0 6px;
}

[dir="rtl"] .doc-content th,
[dir="rtl"] .doc-content td {
    text-align: right;
}

[dir="rtl"] .doc-content ul,
[dir="rtl"] .doc-content ol {
    padding-left: 0;
    padding-right: 24px;
}

[dir="rtl"] .folder-arrow {
    transform: scaleX(-1);
}

[dir="rtl"] .nav-folder.expanded > .nav-folder-header .folder-arrow {
    transform: scaleX(-1) rotate(90deg);
}

[dir="rtl"] .search-container {
    direction: rtl;
}

@media (max-width: 768px) {
    [dir="rtl"] .sidebar {
        display: none;
    }

    [dir="rtl"] .sidebar.open {
        display: block;
    }

    [dir="rtl"] .content {
        margin-right: 0;
    }
}