/* ============================================
   EASY REPLICATION - DOCUMENTATION STYLES (Modern 2026 Redesign)
   Colors: #B8A99A (light), #2A2420 (dark), #C06B4E (accent)
   ============================================ */

/* ============================================
   CSS VARIABLES & RESET
   ============================================ */
:root {
    /* Mint Palette */
    --color-light: #B8A99A;
    --color-dark: #2A2420;
    --color-accent: #C06B4E;
    --color-white: #ffffff;
    --color-text: #1a3a3a;
    --color-text-light: #4a6a6a;
    --color-bg: #F4FBF9;
    --color-code-bg: #1e2d2d;

    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 15px -3px rgba(44, 36, 32, 0.1);
    --shadow-lg: 0 20px 25px -5px rgba(44, 36, 32, 0.15);

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);

    --nav-height: 80px;
    --sidebar-width: 280px;

    /* Unreal Engine Colors */
    --ue-bool: #8B0000;      /* Red */
    --ue-bool-bg: #FFE5E5;
    --ue-int: #00A8A8;       /* Cyan */
    --ue-int-bg: #E5FFFF;
    --ue-float: #7FB800;     /* Lime Green */
    --ue-float-bg: #F2FFD9;
    --ue-string: #D800CC;    /* Magenta */
    --ue-string-bg: #FFE5FC;
    --ue-vector: #FFC800;    /* Gold */
    --ue-vector-bg: #FFF8D9;
    --ue-rotator: #9999FF;   /* Lavender */
    --ue-rotator-bg: #F0F0FF;
    --ue-transform: #FF6600; /* Orange */
    --ue-transform-bg: #FFEBD9;
    --ue-name: #CC99FF;      /* Violet */
    --ue-name-bg: #F9F2FF;
    --ue-actor: #00A8FF;     /* Blue */
    --ue-actor-bg: #E5F6FF;
}

[data-theme="light"] {
    --color-bg: #1A1614; /* Deep Ocean Background */
    --color-white: #2A2420; /* Surface Teal */
    --color-text: #F5EDE6;
    --color-text-light: #B8A99A;
    --color-code-bg: #1A1614;
    --color-light: #366666; /* Borders */
    --color-dark: #C06B4E; /* Accent for headers */
    --color-accent: #C06B4E;

    /* Unreal Colors Adjusted for Dark Mode (Brighter/Pastel) */
    --ue-bool: #FF4D4D;
    --ue-bool-bg: rgba(255, 77, 77, 0.1);
    --ue-int: #00E6E6;
    --ue-int-bg: rgba(0, 230, 230, 0.1);
    --ue-float: #A8FF00;
    --ue-float-bg: rgba(168, 255, 0, 0.1);
    --ue-string: #FF66E6;
    --ue-string-bg: rgba(255, 102, 230, 0.1);
    --ue-vector: #FFD633;
    --ue-vector-bg: rgba(255, 214, 51, 0.1);
    --ue-rotator: #B3B3FF;
    --ue-rotator-bg: rgba(179, 179, 255, 0.1);
    --ue-transform: #FF944D;
    --ue-transform-bg: rgba(255, 148, 77, 0.1);
    --ue-name: #E0CCFF;
    --ue-name-bg: rgba(224, 204, 255, 0.1);
    --ue-actor: #4DBFFF;
    --ue-actor-bg: rgba(77, 191, 255, 0.1);
}

/* Fix specific colors in dark mode */
[data-theme="light"] .navbar { background: rgba(44, 36, 32, 0.9); }
[data-theme="light"] .nav-logo { color: #F5EDE6; }
[data-theme="light"] .hero { background: radial-gradient(circle at top right, #2A2420 0%, #1A1614 100%); }
[data-theme="light"] .sidebar { border-right-color: var(--color-light); background: #2A2420; }
[data-theme="light"] .footer { background: #1A1614; color: #8A7B6D; }
[data-theme="light"] .btn-primary { background: #C06B4E; color: #1A1614; font-weight: 700; }
[data-theme="light"] .step-number { background: #C06B4E; color: #1A1614; }
[data-theme="light"] .code-node { background: #C06B4E; color: #1A1614; font-weight: bold; }
[data-theme="light"] h1, 
[data-theme="light"] h2, 
[data-theme="light"] h3, 
[data-theme="light"] h4 { color: #F5EDE6; }
[data-theme="light"] a:hover { color: #D47E63; }

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--nav-height) + 40px);
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-bg);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    color: var(--color-dark);
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); margin-bottom: 1.5rem; }
h3 { font-size: clamp(1.3rem, 3vw, 1.8rem); margin-bottom: 1rem; }
h4 { font-size: 1.2rem; margin-bottom: 0.75rem; }

p { margin-bottom: 1.5rem; }

a {
    color: var(--color-dark);
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

a:hover { color: var(--color-accent); }

/* Inline Code */
code {
    background: rgba(192, 107, 78, 0.15);
    padding: 0.2em 0.5em;
    border-radius: 6px;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9em;
    color: var(--color-dark);
    border: 1px solid rgba(192, 107, 78, 0.2);
}

[data-theme="light"] code { color: #B8A99A; }

/* CODE BLOCKS - LLM Style */
.code-wrapper {
    background: #1A1614;
    border-radius: 12px;
    overflow: hidden;
    margin: 2rem 0;
    border: 1px solid rgba(192, 107, 78, 0.2);
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.2rem;
    background: rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-family: 'Inter', sans-serif;
    font-size: 0.85rem;
    color: #B8A99A;
}

.code-lang {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.copy-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.2);
    color: #B8A99A;
    padding: 0.3rem 0.8rem;
    border-radius: 4px;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.copy-btn:hover {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-color: #fff;
}

pre {
    background: transparent;
    color: #E0E0E0;
    padding: 1.5rem;
    overflow-x: auto;
    margin: 0;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
}

pre code {
    background: transparent;
    padding: 0;
    color: inherit;
    border: none;
}

/* Syntax Highlighting Tokens */
.token-keyword { color: #FF79C6; font-weight: bold; } /* Pink */
.token-type { color: #8BE9FD; font-style: italic; } /* Cyan */
.token-function { color: #50FA7B; } /* Green */
.token-macro { color: #BD93F9; } /* Purple */
.token-comment { color: #6272A4; font-style: italic; } /* Grey/Blue */
.token-string { color: #F1FA8C; } /* Yellow */

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--nav-height);
    background: rgba(44, 36, 32, 0.95);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--color-white);
    font-weight: 800;
    font-size: 1.2rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nav-logo img { height: 40px; width: auto; }

.nav-menu { display: flex; list-style: none; gap: 1rem; align-items: center; }

.nav-menu a {
    color: rgba(255,255,255,0.8);
    padding: 0.6rem 1.2rem;
    border-radius: 100px;
    font-size: 0.9rem;
    transition: var(--transition);
}

.nav-menu a:hover {
    color: #fff;
    background: rgba(255,255,255,0.1);
}

/* Support Button in Header */
.nav-menu .btn-support {
    background: var(--color-accent);
    color: #1A1614 !important;
    font-weight: 700;
    padding: 0.6rem 1.5rem;
    border-radius: 100px;
    box-shadow: 0 4px 10px rgba(192, 107, 78, 0.3);
}

.nav-menu .btn-support:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(192, 107, 78, 0.5);
    background: #fff;
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.nav-toggle span {
    width: 25px; height: 3px;
    background: var(--color-white);
    border-radius: 3px;
    transition: var(--transition);
}

/* ============================================
   SIDEBAR
   ============================================ */
.sidebar {
    position: fixed;
    left: 0;
    top: var(--nav-height);
    width: var(--sidebar-width);
    height: calc(100vh - var(--nav-height));
    background: var(--color-white);
    border-right: 1px solid var(--color-light);
    padding: 2rem 1.5rem;
    overflow-y: auto;
    z-index: 100;
    transform: translateX(0);
    transition: var(--transition);
}

.sidebar h3 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
    font-weight: 700;
    padding-left: 1rem;
}

.sidebar ul { list-style: none; }
.sidebar li { margin-bottom: 0.25rem; }

.sidebar a {
    display: block;
    padding: 0.6rem 1rem;
    border-radius: 8px;
    font-size: 0.9rem;
    color: var(--color-text);
    border-left: 3px solid transparent;
}

.sidebar a:hover, .sidebar a.active {
    background: rgba(192, 107, 78, 0.1);
    color: var(--color-dark);
    border-left-color: var(--color-accent);
    font-weight: 500;
}

[data-theme="light"] .sidebar a:hover, 
[data-theme="light"] .sidebar a.active {
    color: var(--color-accent);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main-content {
    margin-top: var(--nav-height);
    margin-left: var(--sidebar-width);
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 3rem;
}

.section { padding: 6rem 0; }
.section-alt { background: rgba(192, 107, 78, 0.05); }

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 50vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at bottom left, #2A2420 0%, #2A2420 100%);
    color: var(--color-white);
    text-align: center;
    padding: 4rem 2rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%; right: -20%;
    width: 800px; height: 800px;
    background: radial-gradient(circle, rgba(192, 107, 78, 0.1) 0%, transparent 70%);
    filter: blur(50px);
}

.hero-content { max-width: 800px; position: relative; z-index: 2; }

.hero-logo {
    width: 100px; height: 100px;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
    filter: drop-shadow(0 10px 20px rgba(0,0,0,0.2));
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.hero h1 { color: #fff; margin-bottom: 1rem; }
.hero-subtitle { font-size: 1.3rem; color: #B8A99A; margin-bottom: 2.5rem; opacity: 0.9; }

.hero-buttons {
    display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap;
}

.btn {
    display: inline-flex; align-items: center; padding: 0.8rem 1.8rem;
    border-radius: 100px; font-weight: 700; font-size: 0.95rem;
    transition: var(--transition); cursor: pointer; border: none;
}

.btn-primary {
    background: var(--color-accent); color: #1A1614;
    box-shadow: 0 10px 20px -5px rgba(192, 107, 78, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 30px -5px rgba(192, 107, 78, 0.6);
}

.btn-secondary {
    background: rgba(255,255,255,0.1); color: #fff;
    border: 1px solid rgba(255,255,255,0.2);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    background: rgba(255,255,255,0.2); border-color: var(--color-accent);
}

/* ============================================
   INSTALLATION TIMELINE
   ============================================ */
.steps {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

/* Vertical line */
.steps::before {
    content: '';
    position: absolute;
    top: 0; bottom: 0; left: 24px;
    width: 2px;
    background: rgba(192, 107, 78, 0.3);
    z-index: 0;
}

.step {
    display: flex;
    gap: 2rem;
    align-items: flex-start;
    background: var(--color-white);
    padding: 2rem;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-light);
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    transition: transform 0.3s ease;
}

.step:hover {
    transform: translateX(10px);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-md);
}

.step-number {
    flex-shrink: 0;
    width: 50px; height: 50px;
    background: var(--color-dark);
    color: #fff;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 1.2rem;
    font-weight: 800;
    border: 4px solid var(--color-bg); /* Cutout effect */
    box-shadow: 0 0 0 2px var(--color-accent);
}

[data-theme="light"] .step-number {
    border-color: var(--color-bg);
}

/* ============================================
   TYPE CARDS (Data Cards)
   ============================================ */
.types-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.type-card {
    background: var(--color-white);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--color-light);
    box-shadow: var(--shadow-sm);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.type-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.type-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.8rem;
    border-bottom: 1px solid rgba(0,0,0,0.05);
}

[data-theme="light"] .type-header { border-bottom-color: rgba(255,255,255,0.05); }

.type-name {
    font-family: 'Consolas', monospace;
    font-weight: 700;
    font-size: 1.1rem;
}

.type-badge {
    font-size: 0.7rem;
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    font-weight: 600;
    text-transform: uppercase;
}

/* UE Specific Colors */
.type-bool .type-name { color: var(--ue-bool); }
.type-bool .type-badge { background: var(--ue-bool-bg); color: var(--ue-bool); }

.type-int .type-name { color: var(--ue-int); }
.type-int .type-badge { background: var(--ue-int-bg); color: var(--ue-int); }

.type-float .type-name { color: var(--ue-float); }
.type-float .type-badge { background: var(--ue-float-bg); color: var(--ue-float); }

.type-string .type-name { color: var(--ue-string); }
.type-string .type-badge { background: var(--ue-string-bg); color: var(--ue-string); }

.type-vector .type-name { color: var(--ue-vector); }
.type-vector .type-badge { background: var(--ue-vector-bg); color: var(--ue-vector); }

.type-rotator .type-name { color: var(--ue-rotator); }
.type-rotator .type-badge { background: var(--ue-rotator-bg); color: var(--ue-rotator); }

.type-transform .type-name { color: var(--ue-transform); }
.type-transform .type-badge { background: var(--ue-transform-bg); color: var(--ue-transform); }

.type-name-type .type-name { color: var(--ue-name); }
.type-name-type .type-badge { background: var(--ue-name-bg); color: var(--ue-name); }

.type-actor .type-name { color: var(--ue-actor); }
.type-actor .type-badge { background: var(--ue-actor-bg); color: var(--ue-actor); }


.type-example {
    font-size: 0.85rem;
    color: var(--color-text-light);
    margin-top: 0.5rem;
    font-family: 'Consolas', monospace;
    background: rgba(0,0,0,0.03);
    padding: 0.5rem;
    border-radius: 4px;
}

[data-theme="light"] .type-example { background: rgba(255,255,255,0.05); }

/* INFO BOX - Modern Notification Style */
.info-box {
    display: flex;
    gap: 1.2rem;
    padding: 1.5rem;
    background: rgba(192, 107, 78, 0.08);
    border: 1px solid rgba(192, 107, 78, 0.2);
    border-left: 4px solid var(--color-accent);
    border-radius: 12px;
    margin: 2rem 0;
    align-items: flex-start;
    backdrop-filter: blur(10px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

[data-theme="light"] .info-box {
    background: rgba(192, 107, 78, 0.05);
    border-color: rgba(192, 107, 78, 0.1);
    border-left-color: var(--color-accent);
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
}

.info-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(192, 107, 78, 0.15);
}

.info-icon {
    font-size: 1.2rem;
    background: var(--color-accent);
    color: #1A1614;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 15px rgba(192, 107, 78, 0.4);
    font-weight: bold;
}

.info-box p {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--color-text);
    align-self: center;
}

[data-theme="light"] .info-box p {
    color: #F5EDE6;
}

/* ============================================
   FOOTER (Unified Style)
   ============================================ */
.footer {
    background: var(--color-dark);
    color: var(--color-light);
    padding: 4rem 0 2rem;
    margin-top: 4rem;
}

.footer-content { max-width: 800px; margin: 0 auto; text-align: center; }

/* Responsive */
@media (max-width: 1024px) {
    .sidebar { transform: translateX(-100%); }
    .main-content { margin-left: 0; }
    .sidebar.active { transform: translateX(0); }
    .intro-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed; top: var(--nav-height); left: 0; right: 0;
        background: #1A1614; flex-direction: column; padding: 2rem;
        transform: translateY(-100%); opacity: 0; visibility: hidden; transition: var(--transition);
    }
    .nav-menu.active { transform: translateY(0); opacity: 1; visibility: visible; }
    .nav-toggle { display: flex; }
    
    .hero-features { gap: 2rem; }
    .container { padding: 0 1.5rem; }
    
    .steps::before { left: 24px; }
    .step { padding: 1.5rem; gap: 1rem; }
}