:root {
    /* Colors from DESIGN.md (Neon Arcade) */
    --color-surface: #121414;
    --color-surface-dim: #121414;
    --color-surface-bright: #38393a;
    --color-surface-lowest: #0c0f0f;
    --color-surface-low: #1a1c1c;
    --color-surface-container: #1e2020;
    --color-surface-high: #282a2b;
    --color-surface-highest: #333535;

    --color-primary-fixed: #a1fb00;
    --color-on-primary-fixed: #102000;
    --color-primary: #ffffff;
    --color-on-surface: #e2e2e2;
    --color-on-surface-variant: #c0caad;
    --color-outline: #8a947a;
    --color-outline-variant: #414a34;

    /* Typography */
    --font-family: 'Sora', sans-serif;

    /* Spacing & Layout */
    --container-max: 1440px;
    --margin-desktop: 48px;
    --margin-mobile: 16px;
    --gutter: 24px;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
}

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

body {
    background-color: var(--color-surface);
    color: var(--color-on-surface);
    font-family: var(--font-family);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: inherit;
    text-decoration: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Material Symbols */
.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
    display: inline-block;
    vertical-align: middle;
}

/* Layout Utilities */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding-left: var(--margin-desktop);
    padding-right: var(--margin-desktop);
    width: 100%;
}

@media (max-width: 768px) {
    .container {
        padding-left: var(--margin-mobile);
        padding-right: var(--margin-mobile);
    }
}

/* Header & Nav */
.header {
    position: sticky;
    top: 0;
    z-index: 50;
    background-color: var(--color-surface);
    border-bottom: 4px solid var(--color-primary-fixed);
    transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
    background-color: rgba(18, 20, 20, 0.9);
    backdrop-filter: blur(8px);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    padding-bottom: 1rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.brand-logo {
    height: 3rem;
    width: auto;
}

.brand-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--color-on-surface);
    padding-bottom: 0.5rem;
    transition: color 0.2s ease, transform 0.2s ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-primary-fixed);
    border-bottom: 4px solid var(--color-primary-fixed);
}

/* Search Bar */
.search-form {
    display: flex;
    align-items: center;
    background-color: var(--color-surface-high);
    border-radius: var(--radius-lg);
    padding: 0.5rem 1rem;
    border: 2px solid transparent;
    transition: border-color 0.2s ease, width 0.3s ease;
}

.search-form:focus-within {
    border-color: var(--color-primary-fixed);
}

.search-input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-primary);
    font-family: inherit;
    font-size: 0.875rem;
    width: 180px;
}

.search-input::placeholder {
    color: var(--color-on-surface-variant);
}

.search-button {
    background: none;
    border: none;
    color: var(--color-on-surface-variant);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.search-button:hover {
    color: var(--color-primary-fixed);
}

/* Hero Section */
.hero-card {
    position: relative;
    overflow: hidden;
    border-radius: 2rem;
    border: 4px solid transparent;
    background-color: var(--color-surface-high);
    aspect-ratio: 16 / 7;
    margin-bottom: 4rem;
    transition: border-color 0.3s ease, transform 0.3s ease;
}

@media (max-width: 768px) {
    .hero-card {
        aspect-ratio: 4 / 3;
    }
}

.hero-card:hover {
    border-color: var(--color-primary-fixed);
    transform: scale(1.005);
}

.hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: fill;
    object-position: center;
    opacity: 0.85;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.4) 50%, transparent 100%);
    z-index: 10;
}

.hero-content {
    position: relative;
    z-index: 20;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 3rem;
    max-width: 600px;
}

.badge-recommended {
    display: inline-block;
    align-self: flex-start;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: 1rem;
    text-transform: uppercase;
}

.badge-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--color-surface-highest);
    color: var(--color-primary);
    font-size: 0.75rem;
    font-weight: 700;
    border-radius: var(--radius-full);
}

.badge-new {
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1.1;
    margin-bottom: 1rem;
}

.hero-desc {
    font-size: 1.125rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 2rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
}

/* Buttons */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-primary:hover {
    transform: scale(1.05);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    font-size: 0.875rem;
    font-weight: 700;
    padding: 0.875rem 1.75rem;
    border-radius: var(--radius-xl);
    cursor: pointer;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.1);
    transform: scale(1.05);
}

/* Section Header */
.section-title {
    font-size: 2rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.title-pill {
    width: 0.5rem;
    height: 2rem;
    background-color: var(--color-primary-fixed);
    border-radius: var(--radius-full);
}

.section-header-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.view-all-link {
    color: var(--color-primary-fixed);
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.view-all-link:hover {
    text-decoration: underline;
}

/* Game Cards Grid */
.grid-games {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--gutter);
}

.game-card {
    background-color: var(--color-surface-container);
    border-radius: var(--radius-2xl);
    overflow: hidden;
    border: 4px solid transparent;
    transition: transform 0.3s ease, border-color 0.3s ease;
    display: flex;
    flex-direction: column;
}

.game-card:hover {
    border-color: var(--color-primary-fixed);
    transform: translateY(-8px);
}

.card-media {
    position: relative;
    aspect-ratio: 4 / 3;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.game-card:hover .card-img {
    transform: scale(1.05);
}

.card-badge-container {
    position: absolute;
    top: 1rem;
    left: 1rem;
    display: flex;
    gap: 0.5rem;
}

.card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.card-desc {
    font-size: 0.875rem;
    color: var(--color-on-surface-variant);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.btn-card {
    width: 100%;
    padding: 0.75rem;
    background-color: var(--color-surface-highest);
    color: var(--color-primary);
    font-weight: 700;
    font-size: 0.875rem;
    border-radius: var(--radius-xl);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.game-card:hover .btn-card {
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
}

/* Category Filters */
.categories-bar {
    display: flex;
    gap: 1rem;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
}

.cat-btn {
    padding: 0.6rem 1.25rem;
    border-radius: var(--radius-full);
    background-color: var(--color-surface-high);
    color: var(--color-on-surface);
    font-size: 0.875rem;
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s ease;
}

.cat-btn:hover,
.cat-btn.active {
    background-color: var(--color-primary-fixed);
    color: var(--color-on-primary-fixed);
}

/* Game Player Page Layout */
.player-layout {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: var(--gutter);
}

@media (max-width: 1024px) {
    .player-layout {
        grid-template-columns: 1fr;
    }
}

.iframe-wrapper {
    position: relative;
    aspect-ratio: 16 / 9;
    min-height: 600px;
    background-color: #000;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 0 20px rgba(161, 251, 0, 0.25);
    border: 2px solid var(--color-primary-fixed);
}

.game-iframe {
    width: 100%;
    height: 100%;
    border: none;
    overflow: hidden;
}

.player-controls-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    background-color: var(--color-surface-container);
    padding: 1rem;
    border-radius: var(--radius-xl);
}

.player-info-card {
    background-color: var(--color-surface-high);
    border-radius: var(--radius-xl);
    padding: 1.5rem;
    border-left: 4px solid var(--color-primary-fixed);
}

.controls-list {
    list-style: none;
    margin-top: 1rem;
}

.controls-item {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--color-outline-variant);
    font-size: 0.875rem;
}

.controls-item:last-child {
    border-bottom: none;
}

.key-badge {
    background-color: var(--color-surface-highest);
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    color: var(--color-primary);
}

/* Footer */
.footer {
    background-color: var(--color-surface-lowest);
    border-top: 2px solid var(--color-outline-variant);
    margin-top: auto;
    padding: 3rem 0;
}

.footer-content {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.footer-bottom {
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-outline-variant);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-on-surface-variant);
    opacity: 0.7;
}