/* ============================================
   Voltray Engine Documentation - Custom Theme
   Modern, sleek design with sidebar-only layout
   ============================================ */

/* Root variables for consistent theming */
:root {
    --voltray-primary: #667eea;
    --voltray-secondary: #764ba2;
    --voltray-accent: #f093fb;
    --voltray-success: #4ade80;
    --voltray-warning: #fbbf24;
    --voltray-error: #ef4444;

    /* Gradients */
    --voltray-gradient-main: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --voltray-gradient-accent: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --voltray-gradient-dark: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    /* Surfaces */
    --voltray-bg-primary: #ffffff;
    --voltray-bg-secondary: #f8fafc;
    --voltray-bg-tertiary: #e2e8f0;
    --voltray-text-primary: #111827;
    --voltray-text-secondary: #374151;
    --voltray-text-muted: #6b7280;

    /* Shadows */
    --voltray-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --voltray-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --voltray-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --voltray-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Border radius */
    --voltray-radius-sm: 0.25rem;
    --voltray-radius-md: 0.375rem;
    --voltray-radius-lg: 0.5rem;
    --voltray-radius-xl: 0.75rem;

    /* Transitions */
    --voltray-transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode variables */
html.dark-mode,
html[data-theme="dark"] {
    --voltray-bg-primary: #1a202c;
    --voltray-bg-secondary: #2d3748;
    --voltray-bg-tertiary: #4a5568;
    --voltray-text-primary: #f7fafc;
    --voltray-text-secondary: #e2e8f0;
    --voltray-text-muted: #a0aec0;
    --voltray-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.3);
    --voltray-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --voltray-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

/* ============================================
   Enhanced Header Styling
   ============================================ */

.voltray-header {
    background: var(--voltray-gradient-main);
    color: white;
    padding: 1rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--voltray-shadow-lg);
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.voltray-brand {
    display: flex;
    align-items: center;
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: white;
    text-decoration: none;
}

.voltray-brand::before {
    content: "⚡";
    margin-right: 0.75rem;
    font-size: 2rem;
    background: var(--voltray-gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.voltray-nav {
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.voltray-nav a {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--voltray-radius-md);
    transition: var(--voltray-transition);
    position: relative;
    overflow: hidden;
}

.voltray-nav a::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.1);
    transition: var(--voltray-transition);
}

.voltray-nav a:hover {
    color: white;
    transform: translateY(-2px);
}

.voltray-nav a:hover::before {
    left: 0;
}

.github-link svg {
    transition: var(--voltray-transition);
}

.github-link:hover svg {
    transform: rotate(360deg);
}

#darkmode-toggle {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: none;
    border-radius: var(--voltray-radius-lg);
    padding: 0.5rem 1rem;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--voltray-transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

#darkmode-toggle:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

/* ============================================
   Enhanced Body and Layout
   ============================================ */

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

/* Main content area */
#doc-content {
    max-width: none;
    padding: 2rem;
    background: var(--voltray-bg-primary);
}

/* ============================================
   Enhanced Sidebar Styling
   ============================================ */

#nav-tree {
    background: var(--voltray-bg-secondary);
    border-right: 1px solid var(--voltray-bg-tertiary);
    box-shadow: var(--voltray-shadow-md);
}

#nav-tree .item {
    padding: 0.5rem 1rem;
    border-radius: var(--voltray-radius-md);
    margin: 0.25rem 0.5rem;
    transition: var(--voltray-transition);
}

#nav-tree .item:hover {
    background: var(--voltray-primary);
    color: white;
    transform: translateX(4px);
}

#nav-tree .selected {
    background: var(--voltray-gradient-main);
    color: white;
    box-shadow: var(--voltray-shadow-md);
}

/* ============================================
   Typography Enhancements
   ============================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    color: var(--voltray-text-primary);
    font-weight: 700;
    letter-spacing: -0.025em;
    margin-top: 2rem;
    margin-bottom: 1rem;
}

h1 {
    font-size: 2.5rem;
    background: var(--voltray-gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--voltray-primary);
    padding-bottom: 0.5rem;
}

h3 {
    font-size: 1.5rem;
    color: var(--voltray-secondary);
}

p {
    margin-bottom: 1rem;
    color: var(--voltray-text-secondary);
}

/* ============================================
   Code and Pre Styling
   ============================================ */

code {
    background: var(--voltray-bg-tertiary);
    color: var(--voltray-primary);
    padding: 0.25rem 0.5rem;
    border-radius: var(--voltray-radius-sm);
    font-family: 'JetBrains Mono', 'Fira Code', 'Monaco', monospace;
    font-size: 0.875rem;
    font-weight: 500;
}

pre {
    background: var(--voltray-bg-secondary);
    border: 1px solid var(--voltray-bg-tertiary);
    border-radius: var(--voltray-radius-lg);
    padding: 1.5rem;
    overflow-x: auto;
    box-shadow: var(--voltray-shadow-md);
    position: relative;
}

pre::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--voltray-gradient-main);
    border-radius: var(--voltray-radius-lg) var(--voltray-radius-lg) 0 0;
}

pre code {
    background: none;
    color: var(--voltray-text-primary);
    padding: 0;
}

/* ============================================
   Tables Styling
   ============================================ */

table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.5rem 0;
    background: var(--voltray-bg-secondary);
    border-radius: var(--voltray-radius-lg);
    overflow: hidden;
    box-shadow: var(--voltray-shadow-md);
}

th {
    background: var(--voltray-gradient-main);
    color: white;
    padding: 1rem;
    text-align: left;
    font-weight: 600;
}

td {
    padding: 1rem;
    border-bottom: 1px solid var(--voltray-bg-tertiary);
}

tr:hover {
    background: var(--voltray-bg-tertiary);
}

/* ============================================
   Links and Buttons
   ============================================ */

a {
    color: var(--voltray-primary);
    text-decoration: none;
    transition: var(--voltray-transition);
    position: relative;
}

a:hover {
    color: var(--voltray-secondary);
}

a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -2px;
    left: 0;
    background: var(--voltray-gradient-main);
    transition: var(--voltray-transition);
}

a:hover::after {
    width: 100%;
}

/* ============================================
   Custom Scrollbars
   ============================================ */

::-webkit-scrollbar {
    width: 12px;
    height: 12px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--voltray-gradient-main);
    border-radius: var(--voltray-radius-lg);
    border: 2px solid var(--voltray-bg-secondary);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--voltray-gradient-accent);
}

::-webkit-scrollbar-corner {
    background: var(--voltray-bg-secondary);
}

/* ============================================
   Animations and Effects
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideIn {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }

    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.contents {
    animation: fadeIn 0.6s ease-out;
}

#nav-tree {
    animation: slideIn 0.4s ease-out;
}

/* ============================================
   Mobile Responsiveness
   ============================================ */

@media (max-width: 768px) {
    .voltray-header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
        padding: 1rem;
    }

    .voltray-nav {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }

    .voltray-brand {
        font-size: 1.5rem;
    }

    #doc-content {
        padding: 1rem;
    }

    h1 {
        font-size: 2rem;
    }

    h2 {
        font-size: 1.5rem;
    }
}

/* ============================================
   Special Elements
   ============================================ */

/* Note boxes */
.note {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-left: 4px solid var(--voltray-primary);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 var(--voltray-radius-lg) var(--voltray-radius-lg) 0;
    box-shadow: var(--voltray-shadow-sm);
}

.warning {
    background: linear-gradient(135deg, rgba(251, 191, 36, 0.1) 0%, rgba(245, 87, 108, 0.1) 100%);
    border-left: 4px solid var(--voltray-warning);
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 var(--voltray-radius-lg) var(--voltray-radius-lg) 0;
    box-shadow: var(--voltray-shadow-sm);
}

/* Search box styling */
#MSearchBox {
    background: var(--voltray-bg-secondary);
    border: 2px solid var(--voltray-bg-tertiary);
    border-radius: var(--voltray-radius-lg);
    padding: 0.75rem 1rem;
    transition: var(--voltray-transition);
}

#MSearchBox:focus-within {
    border-color: var(--voltray-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

/* ============================================
   Print Styles
   ============================================ */

@media print {

    .voltray-header,
    #nav-tree {
        display: none;
    }

    body {
        background: white;
        color: black;
    }

    * {
        box-shadow: none !important;
    }
}

/* ============================================
   Light Mode Contrast Improvements
   ============================================ */

/* Improve text contrast in light mode */
:root {
    /* Override default Doxygen colors for better contrast */
    --primary-color: #2563eb;
    --primary-light-color: #3b82f6;
    --primary-dark-color: #1d4ed8;
}

/* Doxygen specific element contrast improvements */
.contents p,
.contents div,
.contents td,
.contents th,
.contents span {
    color: var(--voltray-text-primary) !important;
}

/* Links in light mode */
.contents a {
    color: var(--primary-color) !important;
    font-weight: 500;
}

.contents a:hover {
    color: var(--primary-dark-color) !important;
}

/* Code blocks and inline code */
.contents code,
.contents .fragment {
    background-color: #f3f4f6 !important;
    color: #1f2937 !important;
    border: 1px solid #d1d5db !important;
}

/* Table headers */
.contents th {
    color: var(--voltray-text-primary) !important;
    background-color: var(--voltray-bg-secondary) !important;
}

/* Member definitions */
.memname,
.memproto,
.memdoc {
    color: var(--voltray-text-primary) !important;
}

/* Section headers */
.groupheader {
    color: var(--voltray-text-primary) !important;
    font-weight: 600;
}

/* Navigation tree text */
#nav-tree a {
    color: var(--voltray-text-primary) !important;
}

/* ============================================
   High Contrast Mode Support
   ============================================ */

@media (prefers-contrast: high) {
    :root {
        --voltray-primary: #0066cc;
        --voltray-secondary: #4d0099;
        --voltray-text-primary: #000000;
        --voltray-text-secondary: #333333;
    }

    html.dark-mode {
        --voltray-primary: #66b3ff;
        --voltray-secondary: #b366ff;
        --voltray-text-primary: #ffffff;
        --voltray-text-secondary: #cccccc;
    }
}

/* ============================================
   Reduced Motion Support
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}