/* ==========================================================================
   PurePHPEncryptor - Documentation Styles
   Extends styles.css with documentation-specific components
   ========================================================================== */

/* --------------------------------------------------------------------------
   Documentation Layout
   -------------------------------------------------------------------------- */
.docs-layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    min-height: 100vh;
    padding-top: 60px;
}

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

/* --------------------------------------------------------------------------
   Documentation Sidebar
   -------------------------------------------------------------------------- */
.docs-sidebar {
    position: fixed;
    top: 60px;
    left: 0;
    width: 280px;
    height: calc(100vh - 60px);
    padding: var(--space-6);
    background: var(--color-gray-50);
    border-right: 1px solid var(--color-gray-200);
    overflow-y: auto;
}

@media (max-width: 1024px) {
    .docs-sidebar {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        width: 100%;
        height: auto;
        max-height: 0;
        padding: 0;
        border-right: none;
        border-bottom: 1px solid var(--color-gray-200);
        overflow: hidden;
        transition: all var(--transition-base);
        z-index: 50;
    }

    .docs-sidebar.active {
        max-height: 70vh;
        padding: var(--space-6);
        overflow-y: auto;
    }
}

.sidebar-section {
    margin-bottom: var(--space-6);
}

.sidebar-title {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
    margin-bottom: var(--space-3);
}

.sidebar-nav {
    list-style: none;
}

.sidebar-nav li {
    margin-bottom: var(--space-1);
}

.sidebar-nav a {
    display: block;
    padding: var(--space-2) var(--space-3);
    font-size: 0.9375rem;
    color: var(--color-gray-600);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.sidebar-nav a:hover {
    color: var(--color-gray-900);
    background: var(--color-gray-100);
}

.sidebar-nav a.active {
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    font-weight: 500;
}

.sidebar-nav .nested {
    padding-left: var(--space-4);
}

.sidebar-nav .nested a {
    font-size: 0.875rem;
}

/* Mobile docs menu toggle */
.docs-menu-toggle {
    display: none;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: var(--space-4) var(--space-6);
    background: var(--color-gray-50);
    border-bottom: 1px solid var(--color-gray-200);
    font-weight: 600;
    color: var(--color-gray-900);
}

.docs-menu-toggle svg {
    transition: transform var(--transition-base);
}

.docs-menu-toggle.active svg {
    transform: rotate(180deg);
}

@media (max-width: 1024px) {
    .docs-menu-toggle {
        display: flex;
    }
}

/* --------------------------------------------------------------------------
   Documentation Content
   -------------------------------------------------------------------------- */
.docs-content {
    grid-column: 2;
    padding: var(--space-10) var(--space-12);
    max-width: 900px;
}

@media (max-width: 1024px) {
    .docs-content {
        grid-column: 1;
        padding: var(--space-8) var(--space-6);
    }
}

/* Breadcrumb */
.docs-breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    margin-bottom: var(--space-6);
    font-size: 0.875rem;
    color: var(--color-gray-500);
}

.docs-breadcrumb a {
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.docs-breadcrumb a:hover {
    color: var(--color-primary);
}

.docs-breadcrumb span {
    color: var(--color-gray-400);
}

/* Page header */
.docs-header {
    margin-bottom: var(--space-10);
    padding-bottom: var(--space-8);
    border-bottom: 1px solid var(--color-gray-200);
}

.docs-header h1 {
    margin-bottom: var(--space-4);
    font-size: clamp(2rem, 4vw, 2.5rem);
}

.docs-header .lead {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    max-width: 640px;
}

/* --------------------------------------------------------------------------
   Documentation Typography
   -------------------------------------------------------------------------- */
.docs-content h2 {
    margin-top: var(--space-12);
    margin-bottom: var(--space-4);
    padding-top: var(--space-4);
    font-size: 1.75rem;
    border-top: 1px solid var(--color-gray-100);
}

.docs-content h2:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.docs-content h3 {
    margin-top: var(--space-8);
    margin-bottom: var(--space-3);
    font-size: 1.25rem;
}

.docs-content h4 {
    margin-top: var(--space-6);
    margin-bottom: var(--space-2);
    font-size: 1rem;
}

.docs-content p {
    margin-bottom: var(--space-4);
    line-height: 1.7;
}

.docs-content ul,
.docs-content ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}

.docs-content li {
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
}

.docs-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-decoration-color: rgba(99, 102, 241, 0.3);
    text-underline-offset: 2px;
    transition: text-decoration-color var(--transition-fast);
}

.docs-content a:hover {
    text-decoration-color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Code Blocks
   -------------------------------------------------------------------------- */
.docs-content code {
    font-family: var(--font-mono);
    font-size: 0.875em;
}

.docs-content p code,
.docs-content li code {
    padding: 0.125em 0.375em;
    background: var(--color-gray-100);
    border-radius: var(--radius-sm);
    color: var(--color-primary-dark);
}

.code-block {
    position: relative;
    margin: var(--space-6) 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-block .code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) var(--space-4);
    background: var(--color-gray-800);
}

.code-block .code-lang {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--color-gray-400);
    text-transform: uppercase;
}

.code-block .copy-btn {
    display: flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    font-size: 0.75rem;
    color: var(--color-gray-400);
    background: transparent;
    border: 1px solid var(--color-gray-600);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    cursor: pointer;
}

.code-block .copy-btn:hover {
    color: #fff;
    border-color: var(--color-gray-400);
}

.code-block pre {
    margin: 0;
    padding: var(--space-6);
    background: var(--color-gray-900);
    overflow-x: auto;
}

.code-block code {
    color: var(--color-gray-300);
    line-height: 1.7;
}

/* --------------------------------------------------------------------------
   Callouts / Alerts
   -------------------------------------------------------------------------- */
.callout {
    display: flex;
    gap: var(--space-4);
    margin: var(--space-6) 0;
    padding: var(--space-5);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
}

.callout-icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
}

.callout-content {
    flex: 1;
}

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

.callout-content p + p {
    margin-top: var(--space-2);
}

.callout-info {
    background: rgba(14, 165, 233, 0.1);
    border-color: var(--color-secondary);
}

.callout-info .callout-icon {
    color: var(--color-secondary);
}

.callout-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
}

.callout-warning .callout-icon {
    color: var(--color-warning);
}

.callout-success {
    background: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
}

.callout-success .callout-icon {
    color: var(--color-success);
}

.callout-danger {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
}

.callout-danger .callout-icon {
    color: var(--color-error);
}

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.docs-table {
    width: 100%;
    margin: var(--space-6) 0;
    border-collapse: collapse;
    font-size: 0.9375rem;
}

.docs-table th,
.docs-table td {
    padding: var(--space-3) var(--space-4);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-200);
}

.docs-table th {
    font-weight: 600;
    color: var(--color-gray-900);
    background: var(--color-gray-50);
}

.docs-table td {
    color: var(--color-gray-700);
}

.docs-table tbody tr:hover {
    background: var(--color-gray-50);
}

/* --------------------------------------------------------------------------
   Feature Cards (for overview pages)
   -------------------------------------------------------------------------- */
.docs-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: var(--space-6);
    margin: var(--space-8) 0;
}

.docs-card {
    padding: var(--space-6);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.docs-card:hover {
    background: #fff;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.docs-card h3 {
    margin-top: 0;
    margin-bottom: var(--space-2);
    font-size: 1.125rem;
}

.docs-card p {
    margin-bottom: var(--space-4);
    font-size: 0.9375rem;
}

.docs-card a.card-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-decoration: none;
}

.docs-card a.card-link:hover {
    gap: var(--space-2);
}

.docs-card-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: var(--space-4);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: var(--radius-md);
    color: #fff;
}

/* --------------------------------------------------------------------------
   Command Reference
   -------------------------------------------------------------------------- */
.command-block {
    margin: var(--space-6) 0;
    padding: var(--space-6);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.command-name {
    display: inline-block;
    margin-bottom: var(--space-3);
    padding: var(--space-1) var(--space-3);
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary-dark);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-md);
}

.command-desc {
    margin-bottom: var(--space-4);
}

.command-usage {
    margin-bottom: var(--space-4);
    padding: var(--space-4);
    background: var(--color-gray-900);
    border-radius: var(--radius-md);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-gray-300);
    overflow-x: auto;
}

.command-options {
    margin-top: var(--space-4);
}

.command-options h4 {
    margin-bottom: var(--space-3);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
}

.option-item {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-3) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.option-item:last-child {
    border-bottom: none;
}

.option-flag {
    flex-shrink: 0;
    font-family: var(--font-mono);
    font-size: 0.875rem;
    color: var(--color-success);
}

.option-desc {
    font-size: 0.9375rem;
    color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Step Guide
   -------------------------------------------------------------------------- */
.docs-steps {
    counter-reset: step-counter;
    margin: var(--space-8) 0;
}

.docs-step {
    position: relative;
    padding-left: 56px;
    padding-bottom: var(--space-8);
    margin-bottom: 0;
}

.docs-step:last-child {
    padding-bottom: 0;
}

.docs-step::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    font-size: 0.875rem;
    font-weight: 700;
    color: #fff;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
}

.docs-step::after {
    content: '';
    position: absolute;
    left: 17px;
    top: 44px;
    bottom: 0;
    width: 2px;
    background: var(--color-gray-200);
}

.docs-step:last-child::after {
    display: none;
}

.docs-step h3 {
    margin-top: 0;
    margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.docs-pagination {
    display: flex;
    justify-content: space-between;
    margin-top: var(--space-16);
    padding-top: var(--space-8);
    border-top: 1px solid var(--color-gray-200);
}

.docs-pagination a {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-4) var(--space-6);
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.docs-pagination a:hover {
    background: var(--color-gray-50);
}

.docs-pagination .label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-gray-500);
}

.docs-pagination .title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
}

.docs-pagination .prev {
    text-align: left;
}

.docs-pagination .next {
    text-align: right;
    margin-left: auto;
}

/* --------------------------------------------------------------------------
   Version Badge
   -------------------------------------------------------------------------- */
.version-badge {
    display: inline-block;
    padding: var(--space-1) var(--space-2);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--font-mono);
    color: var(--color-primary);
    background: rgba(99, 102, 241, 0.1);
    border-radius: var(--radius-sm);
}

/* --------------------------------------------------------------------------
   On This Page (Table of Contents)
   -------------------------------------------------------------------------- */
.docs-toc {
    position: fixed;
    top: 100px;
    right: var(--space-8);
    width: 200px;
    font-size: 0.875rem;
}

@media (max-width: 1280px) {
    .docs-toc {
        display: none;
    }
}

.docs-toc h4 {
    margin-bottom: var(--space-3);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-gray-500);
}

.docs-toc ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.docs-toc li {
    margin-bottom: var(--space-2);
}

.docs-toc a {
    display: block;
    color: var(--color-gray-500);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.docs-toc a:hover {
    color: var(--color-gray-900);
}

.docs-toc a.active {
    color: var(--color-primary);
    font-weight: 500;
}