:root {
    --bg-primary: #141028;
    --bg-secondary: #1E1740;
    --text-primary: #E8E4F0;
    --text-secondary: #9B8FBB;
    --gold: #FFD700;
    --pixel-violet: #5B3A8C;
    --power-green: #39FF14;
    --fireball: #FF6B35;
    --cartridge-blue: #3A7BDB;
    --neon-magenta: #FF2D95;
    --hud-bg: #0F0B20;
    --credits-bg: #050508;
    --pixel-grid-size: 16px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 400;
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.7;
    overflow-x: hidden;
}

/* Scanline overlay */
.scanlines {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 999;
    background: repeating-linear-gradient(
        transparent,
        transparent 1px,
        rgba(0, 0, 0, 0.03) 1px,
        rgba(0, 0, 0, 0.03) 2px
    );
}

/* ===================== HUD NAV ===================== */
.hud-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 48px;
    background-color: var(--hud-bg);
    border-bottom: 1px solid var(--pixel-violet);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 100;
}

.hud-wordmark {
    font-family: 'Press Start 2P', cursive;
    font-size: clamp(0.5rem, 0.8vw, 0.65rem);
    color: var(--gold);
}

.hud-menu {
    display: flex;
    gap: 1.5rem;
}

.hud-item {
    font-family: 'Press Start 2P', cursive;
    font-size: clamp(0.45rem, 0.7vw, 0.55rem);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 200ms ease;
}

.hud-item:hover {
    color: var(--gold);
}

/* ===================== TITLE SCREEN ===================== */
.title-screen {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding-top: 48px;
    background-image: radial-gradient(circle, var(--bg-secondary) 1px, transparent 1px);
    background-size: var(--pixel-grid-size) var(--pixel-grid-size);
}

.title-content {
    text-align: center;
    z-index: 1;
}

.hero-title {
    font-family: 'Silkscreen', cursive;
    font-size: clamp(1.5rem, 4vw, 3rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--text-primary);
    display: inline;
}

.blink-cursor {
    font-family: 'Silkscreen', cursive;
    font-size: clamp(1.5rem, 4vw, 3rem);
    color: var(--gold);
    animation: blink 0.5s steps(1) infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.press-start {
    font-family: 'Press Start 2P', cursive;
    font-size: clamp(0.5rem, 0.8vw, 0.65rem);
    color: var(--text-secondary);
    margin-top: 3rem;
    animation: blink 1s steps(1) infinite;
}

.golden-key {
    position: absolute;
    top: 40%;
    right: 20%;
    animation: orbitKey 8s linear infinite;
    z-index: 1;
}

@keyframes orbitKey {
    from { transform: rotate(0deg) translateX(40px) rotate(0deg); }
    to { transform: rotate(360deg) translateX(40px) rotate(-360deg); }
}

/* ===================== SECTION TITLES ===================== */
.section-title {
    font-family: 'Silkscreen', cursive;
    font-size: clamp(1.2rem, 3vw, 2rem);
    letter-spacing: 0.04em;
    text-transform: uppercase;
    color: var(--gold);
    text-align: center;
    margin-bottom: 3rem;
}

/* ===================== SELECT SCREEN ===================== */
.select-screen {
    padding: 8rem 2rem;
    background-image: radial-gradient(circle, var(--bg-secondary) 1px, transparent 1px);
    background-size: var(--pixel-grid-size) var(--pixel-grid-size);
}

.card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
}

.game-card {
    background-color: var(--bg-secondary);
    border: 2px solid var(--pixel-violet);
    border-radius: 6px;
    overflow: hidden;
    opacity: 0;
    transform: translateY(-30px);
    transition: transform 300ms cubic-bezier(0.34, 1.56, 0.64, 1), opacity 300ms ease, box-shadow 300ms ease;
}

.game-card.entered {
    opacity: 1;
    transform: translateY(0);
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: 2px 6px 0 rgba(0, 0, 0, 0.5);
}

.card-header {
    height: 32px;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 8px 100%, 0 calc(100% - 8px));
}

.card-header-text {
    font-family: 'Press Start 2P', cursive;
    font-size: clamp(0.4rem, 0.6vw, 0.5rem);
    color: var(--text-primary);
    letter-spacing: 0.04em;
}

.card-body {
    display: flex;
    gap: 1rem;
    padding: 1.2rem;
    align-items: flex-start;
}

.card-sprite {
    flex-shrink: 0;
    image-rendering: pixelated;
}

.card-text {
    flex: 1;
}

.card-name {
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.card-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.card-footer {
    padding: 0 1.2rem 1.2rem 1.2rem;
}

.xp-bar {
    height: 4px;
    border-radius: 2px;
    background-color: var(--bg-primary);
    overflow: hidden;
    position: relative;
}

.xp-fill {
    height: 100%;
    border-radius: 2px;
    background: linear-gradient(90deg, var(--power-green), var(--gold));
    position: relative;
}

.xp-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    animation: shimmer 3s linear infinite;
}

@keyframes shimmer {
    to { left: 100%; }
}

/* ===================== QUEST LOG ===================== */
.quest-log {
    padding: 8rem 2rem;
    position: relative;
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline-line {
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 4px;
    transform: translateX(-50%);
    background-image: repeating-linear-gradient(
        to bottom,
        var(--gold) 0,
        var(--gold) 4px,
        transparent 4px,
        transparent 12px
    );
}

.timeline-node {
    display: flex;
    align-items: flex-start;
    gap: 2rem;
    margin-bottom: 4rem;
    position: relative;
}

.node-left {
    flex-direction: row;
    padding-right: 55%;
}

.node-right {
    flex-direction: row-reverse;
    padding-left: 55%;
    text-align: right;
}

.node-badge {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 2px solid var(--gold);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    z-index: 1;
}

.node-content {
    opacity: 0;
    transform: translateX(-30px);
    transition: opacity 500ms ease, transform 500ms ease;
}

.node-right .node-content {
    transform: translateX(30px);
}

.node-content.visible {
    opacity: 1;
    transform: translateX(0);
}

.node-title {
    font-family: 'Silkscreen', cursive;
    font-size: 0.85rem;
    letter-spacing: 0.04em;
    color: var(--gold);
    margin-bottom: 0.5rem;
}

.node-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ===================== CREDITS ===================== */
.credits-section {
    min-height: 100vh;
    background-color: var(--credits-bg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.credits-roll {
    text-align: center;
    transform: translateY(100%);
    animation-fill-mode: forwards;
    animation-play-state: paused;
}

.credits-roll.rolling {
    animation: creditsScroll 30s linear forwards;
}

.credits-roll:hover {
    animation-play-state: paused;
}

@keyframes creditsScroll {
    from { transform: translateY(100vh); }
    to { transform: translateY(-100%); }
}

.credits-heading {
    font-family: 'Silkscreen', cursive;
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    color: var(--gold);
    margin-bottom: 2rem;
}

.credits-line {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin-bottom: 0.8rem;
}

.credits-gameover {
    font-family: 'Silkscreen', cursive;
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--neon-magenta);
    margin: 3rem 0 2rem 0;
}

.credits-trophy {
    display: flex;
    justify-content: center;
}

/* ===================== RESPONSIVE ===================== */
@media (max-width: 768px) {
    .card-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .timeline-line {
        left: 24px;
    }

    .node-left,
    .node-right {
        flex-direction: row;
        padding-right: 0;
        padding-left: 80px;
        text-align: left;
    }

    .node-badge {
        position: absolute;
        left: 0;
    }

    .node-right .node-content {
        transform: translateX(-30px);
    }
}

@media (max-width: 480px) {
    .card-grid {
        grid-template-columns: 1fr;
    }

    .hud-menu {
        gap: 0.8rem;
    }
}