/* ========================================
   COSMIC GITHUB ROADMAP - STYLES
   A celestial journey through version control
   ======================================== */

/* CSS Custom Properties (Variables) */
:root {
    /* Dark Theme (Moonlight) - Default */
    --bg-primary: #0a0a1a;
    --bg-secondary: #12122a;
    --bg-tertiary: #1a1a3a;
    --text-primary: #e8e8ff;
    --text-secondary: #a8a8d8;
    --text-muted: #6868a8;

    /* Accent Colors */
    --accent-pink: #ff6b9d;
    --accent-pink-glow: rgba(255, 107, 157, 0.4);
    --accent-purple: #a855f7;
    --accent-purple-glow: rgba(168, 85, 247, 0.4);
    --accent-red: #ef4444;
    --accent-red-glow: rgba(239, 68, 68, 0.4);
    --accent-blue: #3b82f6;
    --accent-blue-glow: rgba(59, 130, 246, 0.4);
    --accent-cyan: #06b6d4;
    --accent-orange: #f97316;
    --accent-yellow: #fbbf24;
    --accent-green: #22c55e;

    /* Gradients */
    --gradient-cosmic: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-sunset: linear-gradient(135deg, #ff6b9d 0%, #ebb32e 100%);
    --gradient-aurora: linear-gradient(135deg, #a855f7 0%, #6366f1 100%);
    --gradient-fire: linear-gradient(135deg, #ef4444 0%, #f97316 100%);

    /* Node Colors */
    --node-default: var(--bg-tertiary);
    --node-pink: #ff6b9d;
    --node-purple: #a855f7;
    --node-red: #ef4444;
    --node-deployment: #06b6d4;

    /* Shadows and Effects */
    --shadow-soft: 0 4px 20px rgba(53, 0, 122, 0.3);
    --shadow-glow: 0 0 30px rgba(255, 0, 179, 0.368);
    --shadow-intense: 0 8px 40px rgba(60, 212, 217, 0.5);

    /* Typography */
    --font-display: 'Press Start 2P', cursive;
    --font-heading: 'MuseoModerno', sans-serif;
    --font-body: 'JetBrains Mono', monospace;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 50%;
}

/* Light Theme (Sunshine) */
[data-theme="light"] {
    --bg-primary: #f0f4ff;
    --bg-secondary: #e0e8ff;
    --bg-tertiary: #d0d8ff;
    --text-primary: #1a1a3a;
    --text-secondary: #3a3a6a;
    --text-muted: #6a6a9a;

    --accent-pink: #e91e63;
    --accent-pink-glow: rgba(233, 30, 99, 0.3);
    --accent-purple: #9333ea;
    --accent-purple-glow: rgba(147, 51, 234, 0.3);
    --accent-red: #dc2626;
    --accent-red-glow: rgba(220, 38, 38, 0.3);
    --accent-blue: #2563eb;
    --accent-blue-glow: rgba(37, 99, 235, 0.3);

    --shadow-soft: 0 4px 20px rgba(255, 124, 220, 0.1);
    --shadow-glow: 0 0 30px rgba(147, 51, 234, 0.2);
    --shadow-intense: 0 8px 40px rgba(119, 255, 255, 0.2);

    --node-default: #ffffff;
    --gradient-cosmic: linear-gradient(135deg, #ffecd2 0%, #fcb69f 100%);
}

/* Accessible Fonts */
[data-accessible-fonts="true"] {
    --font-display: 'Comic Sans MS', 'OpenDyslexic', cursive, sans-serif;
    --font-heading: 'OpenDyslexic', system-ui, sans-serif;
    --font-body: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Lexend', sans-serif;
}

[data-accessible-fonts="true"] body {
    font-family: var(--font-body) !important;
}

[data-accessible-fonts="true"] .node-label {
    font-family: var(--font-body) !important;
}

/* ========================================
   BASE STYLES
   ======================================== */

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'JetBrains Mono', monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
    transition: background var(--transition-slow), color var(--transition-slow);
}

/* Page transitions removed - no jarring flash */

/* ========================================
   PARTICLE BACKGROUND
   ======================================== */

#tsparticles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
}

/* ========================================
   SHOOTING STARS
   ======================================== */

.shooting-stars {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    pointer-events: none;
    overflow: hidden;
}

.shooting-star {
    position: absolute;
    width: 4px;
    height: 4px;
    background: white;
    border-radius: 50%;
    box-shadow: 0 0 10px 2px rgba(255, 255, 255, 0.8);
    animation: shootingStar 3s ease-in-out infinite;
    opacity: 0;
}

.shooting-star:nth-child(1) {
    top: 10%;
    left: 70%;
    animation-delay: 0s;
}

.shooting-star:nth-child(2) {
    top: 30%;
    left: 85%;
    animation-delay: 1.5s;
}

.shooting-star:nth-child(3) {
    top: 50%;
    left: 60%;
    animation-delay: 2.5s;
}

@keyframes shootingStar {
    0% {
        opacity: 0;
        transform: translate(0, 0) rotate(-45deg);
    }

    10% {
        opacity: 1;
    }

    70% {
        opacity: 1;
    }

    100% {
        opacity: 0;
        transform: translate(-300px, 300px) rotate(-45deg);
    }
}

.shooting-star::before {
    content: '';
    position: absolute;
    width: 100px;
    height: 2px;
    background: linear-gradient(90deg, rgba(255, 87, 149, 0.8), rgba(255, 216, 86, 0.3), transparent);
    transform: translateX(0%);
    top: 50%;
    margin-top: -1px;
}

/* Update shooting stars for light mode */
[data-theme="light"] .shooting-star {
    background: var(--accent-purple);
    box-shadow: 0 0 15px 3px var(--glow-purple);
}

[data-theme="light"] .shooting-star::before {
    background: linear-gradient(90deg, rgba(255, 179, 239, 0.852), rgba(159, 255, 253, 0.734), transparent);
}

/* ========================================
   NAVIGATION CONTROLS
   ======================================== */

.controls {
    position: fixed;
    top: var(--space-lg);
    right: var(--space-lg);
    display: flex;
    gap: var(--space-md);
    z-index: 100;
}

.control-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-purple)✦ Setting Up GitHub ✦
    ;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-soft);
}

.control-btn:hover {
    background: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.control-btn:active {
    transform: translateY(0);
}

.moon-icon,
.sun-icon {
    font-size: 1.2rem;
}

.theme-icon {
    width: 1.2rem;
    height: 1.2rem;
    display: block;
    object-fit: contain;
}

.sun-icon {
    display: none;
}

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

[data-theme="light"] .sun-icon {
    display: inline;
}

[data-theme="light"] .control-btn .toggle-text::after {
    content: '';
}

#theme-toggle .toggle-text::before {
    content: 'Moonlight';
}

[data-theme="light"] #theme-toggle .toggle-text::before {
    content: 'Sunshine';
}

[data-theme="light"] .control-btn {
    background: white;
    border-color: #e0f2fe;
    box-shadow: none;
}

[data-theme="light"] #font-toggle.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

#theme-toggle .toggle-text {
    font-size: 0;
}

#theme-toggle .toggle-text::before {
    font-size: 0.85rem;
}

.font-icon {
    font-weight: bold;
    font-size: 1rem;
}

#font-toggle.active {
    background: var(--accent-cyan);
    border-color: var(--accent-cyan);
}

/* ========================================
   HERO SECTION
   ======================================== */

.hero {
    text-align: center;
    padding: var(--space-lg) var(--space-lg);
    padding-top: calc(var(--space-lg) + 60px);
    padding-bottom: var(--space-sm);
}

.glowing-title {
    font-family: var(--font-display);
    font-size: clamp(1.2rem, 4vw, 2.5rem);
    background: linear-gradient(90deg,
            #ff6b9d 0%,
            #c44569 20%,
            #a855f7 40%,
            #6366f1 60%,
            #06b6d4 80%,
            #3b82f6 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: none;
    animation: gradientShift 8s ease infinite;
    margin-bottom: var(--space-md);
    line-height: 1.4;
}

@keyframes gradientShift {
    0% {
        background-position: 0% center;
    }

    50% {
        background-position: 100% center;
    }

    100% {
        background-position: 0% center;
    }
}

.title-decoration {
    display: inline-block;
    animation: twinkle 1.5s ease-in-out infinite;
    margin: 0 var(--space-sm);
}

.title-decoration:nth-child(3) {
    animation-delay: 0.75s;
}

@keyframes twinkle {

    0%,
    100% {
        opacity: 0.5;
        transform: scale(0.8);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

.subtitle {
    font-family: var(--font-heading);
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    color: var(--text-secondary);
    font-weight: 300;
    letter-spacing: 2px;
    margin-bottom: var(--space-lg);
}

.sparkle-container {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    font-size: 1.5rem;
}

.sparkle {
    animation: float 3s ease-in-out infinite;
}

.sparkle:nth-child(2) {
    animation-delay: 0.5s;
}

.sparkle:nth-child(3) {
    animation-delay: 1s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) rotate(0deg);
    }

    50% {
        transform: translateY(-10px) rotate(10deg);
    }
}

/* ========================================
   ROADMAP CONTAINER
   ======================================== */

.roadmap-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--space-md);
}

.roadmap-wrapper {
    position: relative;
    width: 100%;
    min-height: 600px;
    margin: 0 0 var(--space-xl) 0;
    transform: scale(1.0);
    transform-origin: center top;
}

.roadmap-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.connection-line {
    stroke-linecap: round;
    stroke-dasharray: 8 16;
    animation: lineFlow 20s linear infinite;
    opacity: 0.95;
    filter: drop-shadow(0 0 3px currentColor);
}

@keyframes lineFlow {
    from {
        stroke-dashoffset: 0;
    }

    to {
        stroke-dashoffset: 240;
    }
}

.dashed-line {
    stroke-dasharray: 6 12;
    animation: lineFlow 16s linear infinite;
    opacity: 0.75;
    stroke-width: 2 !important;
}

/* Brighter lines in light mode */
[data-theme="light"] .connection-line {
    opacity: 1;
    filter: drop-shadow(0 0 2px rgba(168, 85, 247, 0.4));
}

[data-theme="light"] .dashed-line {
    opacity: 0.9;
}

/* ========================================
   ROADMAP NODES
   ======================================== */

.roadmap-nodes {
    position: relative;
    width: 100%;
    height: 600px;
    z-index: 10;
}

.node {
    position: absolute;
    text-decoration: none;
    color: var(--text-primary);
    transition: all var(--transition-normal);
    cursor: pointer;
    transform: translate(-50%, -50%);
    /* Center based on left/top coordinates */
}

.node-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    background: var(--node-default);
    border: 3px solid var(--text-muted);
    transition: all var(--transition-normal);
    text-align: center;
    position: relative;
    z-index: 5;
}

.node-icon {
    font-size: 1.2rem;
    margin-bottom: 0px;
}

.icon-img {
    width: 30px;
    height: 30px;
    object-fit: contain;
    filter: drop-shadow(0 2px 8px rgba(0, 0, 0, 0.3));
    transition: transform var(--transition-normal);

}

[data-theme="light"] .icon-img {
    filter: none;
}

.icon-img-mobile {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.node-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.7rem;
    font-weight: 500;
    max-width: 130px;
    line-height: 1.3;
}

.node-label-small {
    font-family: var(--font-body);
    font-size: 0.6rem;
    line-height: 1.3;
    max-width: 90px;
}

/* Node Shapes */
.node-circle {
    width: 95px;
    height: 95px;
    border-radius: var(--radius-full);
}

.node-circle-large {
    width: 110px;
    height: 110px;
    border-radius: var(--radius-full);
}

.node-square {
    width: 100px;
    height: 100px;
    border-radius: var(--radius-md);
}

.node-diamond {
    width: 90px;
    height: 90px;
    border-radius: var(--radius-md);
    transform: translate(-50%, -50%) rotate(45deg);
}

.node-diamond .node-icon,
.node-diamond .node-label {
    transform: rotate(-45deg);
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.node-diamond .node-label {
    line-height: 1.1;
    padding: 0 5px;
}

.node-circle-dashed {
    width: 95px;
    height: 95px;
    border-radius: var(--radius-full);
    border-style: dotted;
    background: transparent;
}

.node-star-shape {
    width: 40px;
    height: 40px;
    clip-path: polygon(50% 0%,
            61% 35%,
            98% 35%,
            68% 57%,
            79% 91%,
            50% 70%,
            21% 91%,
            32% 57%,
            2% 35%,
            39% 35%);
    background: linear-gradient(90deg,
            #ff3399 0%,
            #ff9933 14%,
            #ffdd00 28%,
            #00d4ff 42%,
            #5599ff 56%,
            #aa66ff 70%,
            #ff3399 100%);
    background-size: 200% 100%;
    animation: rainbowShift 8s linear infinite;
    border: none;
}

.node-star-decorative {
    pointer-events: none;
    cursor: default;
    width: 40px;
    height: 40px;
    transform: translateX(-50%);
    margin-left: 50%;
}

.node-star-decorative:hover {
    transform: translateX(-50%) !important;
}

.node-star-decorative .node-content {
    padding: 0;
    background: transparent !important;
    border: none !important;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

@keyframes rainbowShift {
    0% {
        background-position: 0% 50%;
    }

    100% {
        background-position: 200% 50%;
    }
}

.node-box {
    width: 90px;
    height: 70px;
    border-radius: var(--radius-sm);
    background: rgba(255, 107, 157, 0.2);
    border-color: var(--accent-pink);
}

/* Node Colors - Rainbow themed (CENTER LINE ONLY) */
.node-definitions .node-content,
.node-purple-center .node-content,
.node-main .node-content,
.node-workflow .node-content,
.node-red-center .node-content {
    border: 3px solid transparent;
    background-image:
        linear-gradient(rgba(10, 10, 20, 0.85), rgba(10, 10, 20, 0.85)),
        linear-gradient(90deg,
            #ff3399 0%,
            #ff9933 14%,
            #ffdd00 28%,
            #00d4ff 42%,
            #5599ff 56%,
            #aa66ff 70%,
            #ff3399 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    background-size: 100%, 200% 100%;
    animation: rainbowBorder 8s linear infinite;
    position: relative;
}

@keyframes rainbowBorder {
    0% {
        background-position: 0% 0%, 0% 50%;
    }

    100% {
        background-position: 0% 0%, 200% 50%;
    }
}

/* Pink pairs - purple gradient */
.node-pink .node-content {
    border-color: #aa66ff;
    background: linear-gradient(135deg, rgba(170, 102, 255, 0.2), rgba(196, 69, 105, 0.2));
}

/* Purple and red vertical pairs - purple gradient */
.node-purple .node-content,
.node-red .node-content {
    border-color: #aa66ff;
    background: linear-gradient(135deg, rgba(170, 102, 255, 0.2), rgba(99, 102, 241, 0.2));
}

.node-deployment .node-content {
    border-color: #3b82f6;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(6, 182, 212, 0.2));
}

.node-optional .node-content {
    border-color: var(--text-muted);
    opacity: 0.75;
}

/* Node Glow Effects */
.node-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    border-radius: var(--radius-full);
    background: radial-gradient(circle, var(--accent-purple-glow) 0%, transparent 70%);
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: -1;
    pointer-events: none;
}

.pink-glow {
    background: radial-gradient(circle, var(--accent-pink-glow) 0%, transparent 70%);
}

.purple-glow {
    background: radial-gradient(circle, var(--accent-purple-glow) 0%, transparent 70%);
}

.red-glow {
    background: radial-gradient(circle, var(--accent-red-glow) 0%, transparent 70%);
}

.diamond-glow {
    border-radius: var(--radius-md);
    transform: translate(-50%, -50%) rotate(45deg);
}

.deployment-glow {
    background: radial-gradient(circle, rgba(6, 182, 212, 0.4) 0%, transparent 70%);
}

/* Node Hover Effects */
.node:hover .node-content {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

.node:active .node-content {
    transform: scale(0.95);
    transition: transform 0.1s ease-out;
}

.node-diamond-container:hover .node-content {
    transform: rotate(45deg) scale(1.1);
}

.node:hover .node-glow {
    opacity: 1;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Smooth click effect */
.node {
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pulse {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.2);
        opacity: 1;
    }
}

/* Brighter glows in light mode */
[data-theme="light"] .node-glow {
    background: radial-gradient(circle, rgba(168, 85, 247, 0.5) 0%, transparent 70%);
}

[data-theme="light"] .pink-glow {
    background: radial-gradient(circle, rgba(255, 107, 157, 0.5) 0%, transparent 70%);
}

[data-theme="light"] .purple-glow {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.5) 0%, transparent 70%);
}

[data-theme="light"] .red-glow {
    background: radial-gradient(circle, rgba(255, 124, 157, 0.5) 0%, transparent 70%);
}

[data-theme="light"] .deployment-glow {
    background: radial-gradient(circle, rgba(59, 130, 246, 0.5) 0%, transparent 70%);
}

[data-theme="light"] .node:hover .node-glow {
    opacity: 0.8;
}

[data-theme="light"] .node-content {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

[data-theme="light"] .node:hover .node-content {
    box-shadow: 0 4px 20px rgba(168, 85, 247, 0.3);
}

[data-theme="light"] .node-definitions .node-content,
[data-theme="light"] .node-purple-center .node-content,
[data-theme="light"] .node-main .node-content,
[data-theme="light"] .node-workflow .node-content,
[data-theme="light"] .node-red-center .node-content {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
        linear-gradient(90deg,
            #ff3399 0%,
            #ff9933 14%,
            #ffdd00 28%,
            #00d4ff 42%,
            #5599ff 56%,
            #aa66ff 70%,
            #ff3399 100%);
}

/* Optional Labels */
.optional-label {
    position: absolute;
    font-family: var(--font-body);
    font-size: 0.65rem;
    color: var(--text-muted);
    font-style: italic;
    pointer-events: none;
}

/* ========================================
   MOBILE NAVIGATION
   ======================================== */

.mobile-nav {
    display: none;
    padding: var(--space-lg);
}

.mobile-nav h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    text-align: center;
    margin: 0 auto var(--space-lg) auto;
    padding: 0;
    width: 100%;
    color: var(--accent-purple);
}

.mobile-nav-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.mobile-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    text-decoration: none;
    color: var(--text-primary);
    border: 3px solid transparent;
    background-image:
        linear-gradient(rgba(10, 10, 20, 0.85), rgba(10, 10, 20, 0.85)),
        linear-gradient(90deg,
            #ff3399 0%,
            #ff9933 14%,
            #ffdd00 28%,
            #00d4ff 42%,
            #5599ff 56%,
            #aa66ff 70%,
            #ff3399 100%);
    background-origin: border-box;
    background-clip: padding-box, border-box;
    background-size: 100%, 200% 100%;
    animation: rainbowBorder 8s linear infinite;
    transition: all var(--transition-normal);
}

.mobile-nav-item:hover,
.mobile-nav-item:focus {
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.mobile-nav-item .nav-icon {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
}

.mobile-nav-item span:last-child {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-align: center;
}

/* Light mode styling for mobile nav */
[data-theme="light"] .mobile-nav-item {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.9)),
        linear-gradient(
            90deg,
            #ff3399 0%,
            #ff9933 14%,
            #ffdd00 28%,
            #00d4ff 42%,
            #5599ff 56%,
            #aa66ff 70%,
            #ff3399 100%
        );
}

/* Make text star characters (✦, ★) white in sunshine mode */
[data-theme="light"] .sparkle-effect {
    color: white;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.8);
}

/* Use accent-blue instead of accent-cyan for text in sunshine mode */
[data-theme="light"] .definition-term {
    color: var(--accent-blue);
}

[data-theme="light"] .content-link {
    color: var(--accent-blue);
    border-bottom-color: var(--accent-blue);
}

/* ========================================
   FOOTER
   ======================================== */

.roadmap-footer {
    text-align: center;
    padding: var(--space-xl) var(--space-md);
    color: var(--text-secondary);
    margin-top: -80px;
}

.roadmap-footer p {
    margin-bottom: var(--space-sm);
}

.hint {
    font-size: 0.85rem;
    color: var(--text-muted);
    animation: fadeInOut 3s ease-in-out infinite;
}

@keyframes fadeInOut {

    0%,
    100% {
        opacity: 0.5;
    }

    50% {
        opacity: 1;
    }
}

/* ========================================
   RESPONSIVE DESIGN
   ======================================== */

@media (max-width: 1024px) {
    .roadmap-wrapper {
        display: none;
    }

    .mobile-nav {
        display: block;
    }

    .controls {
        top: var(--space-md);
        right: var(--space-md);
        flex-direction: column;
    }

    .control-btn .toggle-text {
        display: none;
    }

    #theme-toggle .toggle-text::before {
        display: none;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: var(--space-lg) var(--space-md);
        padding-top: calc(var(--space-xl) + 80px);
    }

    .glowing-title {
        font-size: 1rem;
    }

    .subtitle {
        font-size: 0.9rem;
    }

    .mobile-nav-grid {
        grid-template-columns: 1fr;
    }

    .control-btn {
        padding: var(--space-sm);
    }
}

/* ========================================
   PAGE CONTENT STYLES (for subpages)
   ======================================== */

.page-container {
    max-width: 900px;
    margin: 0 auto;
    padding: var(--space-lg);
    padding-top: calc(var(--space-xl) + 80px);
}

.page-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.page-title {
    font-family: var(--font-display);
    font-size: clamp(1rem, 3vw, 1.8rem);
    background: var(--gradient-aurora);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--space-md);
}

.page-subtitle {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-secondary);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--accent-purple);
    text-decoration: none;
    font-family: var(--font-body);
    margin-bottom: var(--space-lg);
    transition: all var(--transition-normal);
}

.back-link:hover {
    color: var(--accent-pink);
    transform: translateX(-5px);
}

/* Content Sections */
.content-section {
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    border: 1px solid var(--text-muted);
    transition: all var(--transition-normal);
}

.content-section:hover {
    border-color: var(--accent-purple);
    box-shadow: var(--shadow-soft);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    color: var(--accent-pink);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-title .icon {
    font-size: 1.5rem;
}

/* Definition Cards */
.definition-grid {
    display: grid;
    gap: var(--space-md);
}

.definition-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    border-left: 4px solid var(--accent-purple);
    transition: all var(--transition-normal);
}

.definition-card:hover {
    transform: translateX(5px);
    border-left-color: var(--accent-pink);
}

.definition-term {
    font-family: var(--font-heading);
    font-weight: 600;
    color: var(--accent-cyan);
    margin-bottom: var(--space-xs);
}

.definition-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

/* Step Cards */
.step-card {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    position: relative;
    overflow: hidden;
}

.step-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: var(--gradient-aurora);
}

.step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: var(--accent-purple);
    color: white;
    border-radius: var(--radius-full);
    font-family: var(--font-display);
    font-size: 0.7rem;
    margin-bottom: var(--space-sm);
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.step-content {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.step-content ul,
.step-content ol {
    margin-left: var(--space-lg);
    margin-top: var(--space-sm);
}

.step-content li {
    margin-bottom: var(--space-xs);
}

/* Try It Now Box */
.try-it-box {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.1), rgba(255, 107, 157, 0.1));
    border: 2px dashed var(--accent-purple);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
    text-align: center;
}

.try-it-box h4 {
    font-family: var(--font-heading);
    color: var(--accent-pink);
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
}

.try-it-box p {
    color: var(--text-secondary);
}

/* Markdown Preview */
.markdown-preview {
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    margin-top: var(--space-md);
}

.markdown-preview h1 {
    font-family: var(--font-heading);
    font-size: 2rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-sm);
}

.markdown-preview h2 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-top: var(--space-md);
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-xs);
}

.markdown-preview p {
    color: var(--text-secondary);
    margin-bottom: var(--space-md);
    line-height: 1.6;
}

.markdown-preview ul {
    list-style: disc;
    padding-left: var(--space-lg);
    color: var(--text-secondary);
}

.markdown-preview li {
    margin-bottom: var(--space-xs);
    line-height: 1.6;
}

/* Markdown Example Container */
.markdown-example-container {
    background: rgba(139, 92, 246, 0.05);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

[data-theme="light"] .markdown-example-container {
    background: rgba(96, 165, 250, 0.08);
}

.markdown-example-container .tabs {
    margin: 0;
}

.markdown-example-container .tab-content {
    padding: var(--space-md) 0;
}

.markdown-example-container pre {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    overflow-x: auto;
    margin: 0;
}

.markdown-example-container code {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Code Blocks */
.code-block {
    background: var(--bg-primary);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    font-family: var(--font-body);
    font-size: 0.85rem;
    overflow-x: auto;
    border: 1px solid var(--text-muted);
}

/* Links */
.content-link {
    color: var(--accent-cyan);
    text-decoration: none;
    border-bottom: 1px dotted var(--accent-cyan);
    transition: all var(--transition-fast);
}

.content-link:hover {
    color: var(--accent-pink);
    border-bottom-color: var(--accent-pink);
}

/* Callout Boxes */
.callout {
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin: var(--space-md) 0;
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
}

.callout-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.callout-content {
    flex: 1;
}

.callout.tip {
    border-left: 4px solid var(--accent-green);
}

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

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

/* Navigation Buttons */
.nav-buttons {
    display: flex;
    justify-content: space-between;
    gap: var(--space-md);
    margin-top: var(--space-lg);
    margin-bottom: var(--space-lg);
    flex-wrap: wrap;
}

/* Reduce top margin when nav buttons appear right after page header */
.page-header + .nav-buttons {
    margin-top: var(--space-sm);
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--accent-purple);
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    text-decoration: none;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    transition: all var(--transition-normal);
}

.nav-btn:hover {
    background: var(--accent-purple);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.nav-btn.prev {
    border-color: var(--text-muted);
}

.nav-btn.next {
    margin-left: auto;
}

/* Collapsible Sections */
.collapsible {
    margin-bottom: var(--space-md);
}

.collapsible-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    border: 2px solid var(--text-muted);
    transition: all var(--transition-normal);
}

.collapsible-header:hover {
    border-color: var(--accent-purple);
}

.collapsible-header h4 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.collapsible-icon {
    transition: transform var(--transition-normal);
}

.collapsible.open .collapsible-icon {
    transform: rotate(180deg);
}

.collapsible-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-slow);
}

.collapsible.open .collapsible-content {
    max-height: 2000px;
}

.collapsible-inner {
    padding: var(--space-lg);
    background: var(--bg-secondary);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    border: 2px solid var(--text-muted);
    border-top: none;
}

/* Tabs */
.tabs {
    margin-bottom: var(--space-lg);
}

.tab-buttons {
    display: flex;
    gap: var(--space-xs);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.tab-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border: 2px solid var(--text-muted);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-family: var(--font-heading);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.tab-btn:hover {
    border-color: var(--accent-purple);
}

.tab-btn.active {
    background: var(--accent-purple);
    border-color: var(--accent-purple);
    color: white;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* Progress Indicator */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--bg-tertiary);
    z-index: 200;
}

.progress-fill {
    height: 100%;
    background: var(--gradient-aurora);
    width: 0;
    transition: width var(--transition-normal);
}

/* Scroll to Top Button */
.scroll-top {
    position: fixed;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 50px;
    height: 50px;
    background: var(--accent-purple);
    border: none;
    border-radius: var(--radius-full);
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 100;
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--accent-pink);
    transform: translateY(-5px);
}

/* ========================================
   ANIMATIONS
   ======================================== */

/* Page Load Animation */
.fade-in {
    animation: fadeIn 0.6s ease forwards;
}

.slide-up {
    animation: slideUp 0.6s ease forwards;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

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

/* Staggered Animation - Removed to prevent flash on page load */

/* Hover Lift */
.hover-lift {
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow);
}

/* ========================================
   PRINT STYLES
   ======================================== */

@media print {

    .controls,
    #tsparticles,
    .shooting-stars,
    .scroll-top,
    .progress-bar {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .content-section {
        break-inside: avoid;
        border: 1px solid #ccc;
    }
}