/* ===================================
   HyperPlanner Documentation Styles
   Shared styles for all doc pages
   =================================== */

/* Import main styles variables */
:root {
    /* Colors */
    --primary: #6366f1;
    --primary-light: #818cf8;
    --primary-dark: #4f46e5;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --success: #10b981;

    /* Neutrals */
    --bg-primary: #0f0f1a;
    --bg-secondary: #1a1a2e;
    --bg-tertiary: #16213e;
    --glass: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-hover: rgba(255, 255, 255, 0.08);

    /* Text */
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --text-tertiary: rgba(255, 255, 255, 0.5);

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Blur */
    --blur-sm: 8px;
    --blur-md: 16px;
    --blur-lg: 24px;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--secondary));
    border-radius: 10px;
    border: 2px solid var(--bg-secondary);
}

* {
    scrollbar-width: thin;
    scrollbar-color: var(--primary) var(--bg-secondary);
}

/* Background */
.bg-gradient {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        circle at 30% 20%,
        rgba(99, 102, 241, 0.15) 0%,
        transparent 50%
    ),
    radial-gradient(
        circle at 70% 80%,
        rgba(236, 72, 153, 0.12) 0%,
        transparent 50%
    );
    pointer-events: none;
    z-index: -2;
}

.bg-mesh {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 100px 100px;
    pointer-events: none;
    z-index: -1;
}

/* Navigation */
.doc-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(15, 15, 26, 0.9);
    backdrop-filter: blur(var(--blur-md));
    border-bottom: 1px solid var(--glass-border);
    padding: var(--spacing-md) var(--spacing-lg);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.25rem;
}

.logo-icon {
    font-size: 1.5rem;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-links {
    display: flex;
    gap: var(--spacing-lg);
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

/* Main Layout */
.doc-layout {
    display: flex;
    padding-top: 80px;
    min-height: 100vh;
}

/* Sidebar */
.doc-sidebar {
    width: 280px;
    position: fixed;
    top: 80px;
    left: 0;
    bottom: 0;
    background: var(--glass);
    border-right: 1px solid var(--glass-border);
    padding: var(--spacing-lg);
    overflow-y: auto;
    backdrop-filter: blur(var(--blur-sm));
}

.sidebar-section {
    margin-bottom: var(--spacing-lg);
}

.sidebar-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-sm);
}

.sidebar-links {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.sidebar-link {
    display: block;
    padding: var(--spacing-xs) var(--spacing-sm);
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.sidebar-link:hover {
    background: var(--glass-hover);
    color: var(--text-primary);
}

.sidebar-link.active {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
    font-weight: 600;
}

/* Main Content */
.doc-content {
    flex: 1;
    margin-left: 280px;
    padding: var(--spacing-2xl);
    max-width: 900px;
}

.doc-header {
    margin-bottom: var(--spacing-2xl);
}

.doc-header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    background: linear-gradient(135deg, var(--text-primary), var(--primary-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.doc-header .subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.doc-header .breadcrumb {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.doc-header .breadcrumb a {
    color: var(--primary-light);
    text-decoration: none;
}

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

/* Content Sections */
.doc-section {
    margin-bottom: var(--spacing-2xl);
}

.doc-section h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--glass-border);
}

.doc-section h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    color: var(--primary-light);
}

.doc-section p {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.doc-section ul, .doc-section ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    color: var(--text-secondary);
}

.doc-section li {
    margin-bottom: var(--spacing-xs);
    line-height: 1.7;
}

.doc-section strong {
    color: var(--text-primary);
}

/* Code Blocks */
.code-block {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin: var(--spacing-md) 0;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.875rem;
    color: var(--primary-light);
    overflow-x: auto;
}

.code-inline {
    background: rgba(99, 102, 241, 0.2);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85em;
    color: var(--primary-light);
}

/* Info Cards */
.info-card {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin: var(--spacing-md) 0;
    backdrop-filter: blur(var(--blur-sm));
}

.info-card.tip {
    border-left: 4px solid var(--success);
}

.info-card.warning {
    border-left: 4px solid var(--accent);
}

.info-card.note {
    border-left: 4px solid var(--primary);
}

.info-card h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.info-card p {
    margin-bottom: 0;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin: var(--spacing-lg) 0;
}

.feature-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    transition: all var(--transition-fast);
}

.feature-item:hover {
    background: var(--glass-hover);
    transform: translateY(-2px);
}

.feature-item .icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.feature-item h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.feature-item p {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: 0;
}

/* Keyboard Shortcuts Table */
.shortcut-table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
}

.shortcut-table th,
.shortcut-table td {
    padding: var(--spacing-sm) var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--glass-border);
}

.shortcut-table th {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--glass);
}

.shortcut-table td {
    color: var(--text-secondary);
}

.kbd {
    display: inline-block;
    padding: 4px 8px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: 4px;
    font-family: 'Monaco', 'Courier New', monospace;
    font-size: 0.85rem;
    color: var(--text-primary);
    box-shadow: 0 2px 0 var(--glass-border);
}

/* Video Embed */
.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    margin: var(--spacing-lg) 0;
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: var(--glass);
    border: 1px solid var(--glass-border);
}

.video-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

.video-placeholder .play-icon {
    font-size: 4rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* Steps List */
.steps-list {
    counter-reset: steps;
    list-style: none;
    margin-left: 0;
}

.steps-list li {
    counter-increment: steps;
    position: relative;
    padding-left: var(--spacing-2xl);
    margin-bottom: var(--spacing-lg);
}

.steps-list li::before {
    content: counter(steps);
    position: absolute;
    left: 0;
    top: 0;
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
}

/* FAQ Accordion */
.faq-item {
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background var(--transition-fast);
}

.faq-question:hover {
    background: var(--glass-hover);
}

.faq-question .arrow {
    transition: transform var(--transition-fast);
}

.faq-item.open .faq-question .arrow {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-secondary);
    display: none;
}

.faq-item.open .faq-answer {
    display: block;
}

/* Changelog */
.changelog-entry {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.changelog-entry::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: -var(--spacing-xl);
    width: 2px;
    background: var(--glass-border);
}

.changelog-entry::after {
    content: '';
    position: absolute;
    left: 0;
    top: 8px;
    width: 18px;
    height: 18px;
    background: var(--primary);
    border-radius: 50%;
    border: 3px solid var(--bg-primary);
}

.changelog-entry:last-child::before {
    display: none;
}

.changelog-entry .version {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: var(--spacing-xs);
}

.changelog-entry .date {
    font-size: 0.875rem;
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-md);
}

.changelog-entry .tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-right: var(--spacing-xs);
}

.changelog-entry .tag.new {
    background: rgba(16, 185, 129, 0.2);
    color: var(--success);
}

.changelog-entry .tag.improved {
    background: rgba(99, 102, 241, 0.2);
    color: var(--primary-light);
}

.changelog-entry .tag.fixed {
    background: rgba(245, 158, 11, 0.2);
    color: var(--accent);
}

/* Contact Form */
.contact-form {
    max-width: 500px;
}

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

/* Responsive */
@media (max-width: 1024px) {
    .doc-sidebar {
        display: none;
    }

    .doc-content {
        margin-left: 0;
        padding: var(--spacing-lg);
    }
}

@media (max-width: 768px) {
    .doc-header h1 {
        font-size: 2rem;
    }

    .nav-links {
        display: none;
    }

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