/* Base Styles */
:root {
    --primary-color: #125F31;
    --secondary-color: #F6D724;
    --accent-color: #e74c3c;
    --text-color: #333;
    --light-text: #fff;
    --light-bg: #f9f9f9;
    --dark-bg: #000;
    --border-color: #ddd;
    --shadow: none;
    --transition: all 0.3s ease;
}

/* Dark Mode Variables */
[data-theme="dark"] {
    --text-color: #e0e0e0;
    --light-bg: #1a1a1a;
    --dark-bg: #2d2d2d;
    --border-color: #444;
    --shadow: none;
}


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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--light-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    width: 100%;
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 20px;
}

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

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

ul {
    list-style: none;
}

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

.btn {
    display: inline-block;
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 10px 20px;
    border-radius: 2px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-weight: 600;
}

.btn:hover {
    background-color: var(--secondary-color);
    color: var(--text-color);
}

/* Header Styles */
header {
    background-color: var(--primary-color);
    color: var(--light-text);
    padding: 6px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-logo {
    height: 32px;
    width: auto;
}

header h1 {
    font-size: 1.4rem;
    margin: 0;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--light-text);
    font-weight: 500;
    padding: 5px 10px;
    border-radius: 2px;
}

nav ul li a:hover, nav ul li a.active {
    background-color: rgba(255, 255, 255, 0.15);
}

/* Theme Toggle Styles */
.theme-toggle-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: var(--light-text);
    width: 36px;
    height: 36px;
    border-radius: 2px;
    cursor: pointer;
    font-size: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    padding: 0;
}

.theme-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    text-align: center;
}

/* Hero Section */
.hero, .games-hero {
    background-color: var(--dark-bg);
    color: var(--light-text);
    text-align: center;
    padding: 60px 0;
}

.hero h2, .games-hero h2 {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.hero p, .games-hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero .btn {
    font-size: 1.1rem;
}

/* Features Section */
.features {
    padding: 60px 0;
}

.features .container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    padding: 30px;
    text-align: center;
    transition: var(--transition);
}

[data-theme="dark"] .feature-card {
    background-color: var(--dark-bg);
}

.feature-card:hover {
    border-color: var(--primary-color);
}

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* Games Section */
.games-section {
    padding: 40px 0 60px;
}

.filter-container {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.search-grade-row {
    display: flex;
    align-items: flex-end;
    gap: 20px;
}

.search-bar {
    position: relative;
    flex: 1 1 200px;
    min-width: 200px;
}

.search-bar .search-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-color);
    opacity: 0.5;
    font-size: 0.9rem;
}

.search-bar input {
    width: 100%;
    padding: 10px 15px 10px 40px;
    border-radius: 999px;
    border: 1px solid var(--border-color);
    background-color: var(--light-bg);
    color: var(--text-color);
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}

[data-theme="dark"] .search-bar input {
    background-color: var(--dark-bg);
}

.search-bar input:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 2px rgba(18, 95, 49, 0.15);
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding-top: 8px;
    border-top: 1px solid var(--border-color);
}

.filter-group-label {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-color);
    opacity: 0.55;
}

.filter-group-inline {
    border-top: none;
    padding-top: 0;
    flex-shrink: 0;
}

.filter-chips-row {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-chip {
    display: inline-block;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    border: 1.5px solid var(--border-color);
    background-color: transparent;
    color: var(--text-color);
    transition: var(--transition);
    user-select: none;
}

.filter-chip:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.filter-chip.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
}

.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 25px;
}

@media (min-width: 1280px) {
    .games-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.game-card {
    background-color: var(--light-bg);
    border: 1px solid var(--border-color);
    border-radius: 2px;
    overflow: hidden;
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    flex-direction: column;
}

[data-theme="dark"] .game-card {
    background-color: var(--dark-bg);
}

.game-card:hover {
    border-color: var(--primary-color);
}

.game-card-image {
    aspect-ratio: 16 / 9;
    background-color: #eee;
    background-size: cover;
    background-position: center;
}

.game-card-content {
    padding: 15px;
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
}

.game-card-content h4 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
    text-align: center;
}

[data-theme="dark"] .game-card-content h4 {
    color: var(--light-text);
}

.game-card-chips {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    margin-bottom: 8px;
}

.game-card-details-toggle {
    background: none;
    border: none;
    color: var(--primary-color);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    padding: 4px 0;
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
}

.game-card-details-toggle:hover {
    color: var(--secondary-color);
}

.game-card-details-toggle i {
    transition: transform 0.3s ease;
    font-size: 0.7rem;
}

.game-card.expanded .game-card-details-toggle i {
    transform: rotate(180deg);
}

.game-card-description {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    width: 100%;
}

.game-card.expanded .game-card-description {
    max-height: 200px;
}

.game-card-description p {
    color: var(--text-color);
    font-size: 0.9rem;
    padding-top: 8px;
    text-align: center;
}

.chip {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.chip-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
}

.chip-primary {
    /* Filled chips - colors set dynamically in JS */
}

.chip-secondary {
    /* Outlined chips - border/text color set dynamically in JS */
    background-color: transparent;
    border: 1.5px solid;
    font-size: 0.65rem;
}

.chip-grade {
    color: var(--text-color);
}

/* Loading Styles */
.loading-container, .carousel-slide.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(0, 0, 0, 0.1);
    border-radius: 50%;
    border-top-color: var(--primary-color);
    animation: spin 1s ease-in-out infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Google Search Bars */
.google-search-row {
    padding: 30px 0 10px;
}

.google-search-bars {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.google-search-bars-row2 {
    margin-top: 10px;
}

.google-search-bar {
    display: flex;
    align-items: center;
    border: 5px solid var(--border-color);
    border-radius: 999px;
    overflow: hidden;
    background-color: var(--light-bg);
    transition: var(--transition);
    flex: 1;
    max-width: 420px;
}

[data-theme="dark"] .google-search-bar {
    background-color: var(--dark-bg);
}

.google-search-bar:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(18, 95, 49, 0.12);
}

.google-search-icon {
    width: 24px;
    height: 24px;
    margin-left: 16px;
    flex-shrink: 0;
    object-fit: contain;
}

.google-search-icon-zoom {
    transform: scale(1.8);
}

[data-theme="dark"] .google-search-icon {
    filter: none;
}

.google-search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 12px;
    font-size: 0.95rem;
    background: transparent;
    color: var(--text-color);
    min-width: 0;
}

.google-search-input::placeholder {
    color: var(--text-color);
    opacity: 0.45;
}

.google-search-clear {
    display: flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 12px;
    flex-shrink: 0;
    opacity: 0.4;
    transition: var(--transition);
}

.google-search-clear:hover {
    opacity: 0.8;
}

.google-search-clear img {
    width: 16px;
    height: 16px;
    color: var(--text-color);
}

[data-theme="dark"] .google-search-clear img {
    filter: brightness(0) invert(1);
}

.google-search-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-color);
    border: none;
    cursor: pointer;
    padding: 12px 16px 12px 10px;
    margin: -5px -5px -5px 0;
    border-radius: 0 999px 999px 0;
    transition: var(--transition);
    flex-shrink: 0;
    align-self: stretch;
}

.google-search-btn:hover {
    background-color: var(--secondary-color);
}

.google-search-btn img {
    width: 28px;
    height: 28px;
    object-fit: contain;
    filter: brightness(0) invert(1);
}

.google-search-btn:hover img {
    filter: none;
}

/* App Gallery */
.app-gallery {
    padding: 40px 0;
}

.app-row-header {
    font-size: 1.4rem;
    margin-bottom: 16px;
    color: var(--text-color);
    text-align: center;
}

.app-row {
    display: flex;
    flex-wrap: nowrap;
    gap: 40px;
    align-items: flex-start;
    justify-content: center;
}

.app-subgroup {
    display: flex;
    gap: 16px;
}

.app-split-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 60px;
}

.app-group {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.app-group .app-row-header {
    text-align: center;
}

.app-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 20px;
    border: 1px solid var(--border-color);
    border-radius: 2px;
    width: 140px;
    text-align: center;
    transition: var(--transition);
    color: var(--text-color);
}

[data-theme="dark"] .app-item {
    background-color: var(--dark-bg);
}

.app-item:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.app-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
}

.app-item img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

.app-item img.app-icon-crop {
    object-fit: cover;
}

.app-item img.app-icon-zoom-in {
    object-fit: cover;
    transform: scale(1.3);
}

.app-item img.app-icon-zoom-out {
    object-fit: cover;
    transform: scale(0.85);
}

.app-item span {
    font-size: 0.85rem;
    font-weight: 600;
    line-height: 1.3;
}

/* Home Nav Buttons */
.home-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 40px;
    min-height: calc(100vh - 160px);
}

.home-nav-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 16px;
    width: 200px;
    height: 200px;
    border: 3px solid var(--border-color);
    border-radius: 20px;
    background-color: var(--light-bg);
    text-decoration: none;
    color: var(--text-color);
    transition: var(--transition);
}

[data-theme="dark"] .home-nav-btn {
    background-color: var(--dark-bg);
}

.home-nav-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.home-nav-btn i {
    font-size: 3rem;
    color: var(--primary-color);
}

.home-nav-btn span {
    font-size: 1.4rem;
    font-weight: 600;
}

/* Page Nav Button */
main {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.page-nav-container {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    margin-bottom: 20px;
}

.page-nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 28px;
    border: 3px solid var(--border-color);
    border-radius: 999px;
    background-color: var(--light-bg);
    text-decoration: none;
    color: var(--text-color);
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition);
}

[data-theme="dark"] .page-nav-btn {
    background-color: var(--dark-bg);
}

.page-nav-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.page-nav-btn i {
    font-size: 1.2rem;
    color: var(--primary-color);
}

/* Footer */
footer {
    background-color: transparent;
    color: var(--text-color);
    padding: 20px 0;
    text-align: center;
    border: 2px solid var(--primary-color);
    margin: 20px;
    margin-top: auto;
}

/* Responsive Styles */

/* Mid-width viewport (iPads ~1024px wide in landscape) */
@media (max-width: 1100px) {
    .app-gallery {
        padding: 20px 0;
    }

    .app-row {
        gap: 16px;
    }

    .app-subgroup {
        gap: 8px;
    }

    .app-split-row {
        gap: 24px;
    }

    .app-item {
        width: 100px;
        padding: 10px;
        gap: 6px;
    }

    .app-icon-wrapper {
        width: 48px;
        height: 48px;
        border-radius: 10px;
    }

    .app-item span {
        font-size: 0.75rem;
    }

    .app-row-header {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .google-search-row {
        padding: 16px 0 6px;
    }

    .google-search-bars {
        gap: 12px;
    }

    .google-search-bars-row2 {
        margin-top: 6px;
    }

    .google-search-bar {
        border-width: 3px;
    }

    .google-search-input {
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .google-search-icon {
        width: 20px;
        height: 20px;
        margin-left: 12px;
    }

    .google-search-btn {
        padding: 8px 12px 8px 8px;
        margin: -3px -3px -3px 0;
    }

    .google-search-btn img {
        width: 22px;
        height: 22px;
    }

    footer {
        padding: 12px 0;
        margin: 12px;
    }
}

@media (max-width: 768px) {
    /* Header: brand on top, nav + theme toggle on second line */
    header .container {
        flex-direction: column;
        gap: 4px;
    }

    header h1 {
        font-size: 1.1rem;
    }

    .header-logo {
        height: 24px;
    }

    .header-right {
        flex-direction: row;
        gap: 12px;
        align-items: center;
        justify-content: center;
    }

    nav ul {
        margin: 0;
    }

    nav ul li {
        margin: 0 4px;
    }

    nav ul li a {
        padding: 3px 8px;
        font-size: 0.85rem;
    }

    .theme-toggle-btn {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    /* Search bars: stack vertically with consistent spacing */
    .google-search-row {
        padding: 12px 0 6px;
    }

    .google-search-row .container {
        display: flex;
        flex-direction: column;
        gap: 8px;
    }

    .google-search-bars {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }

    .google-search-bars-row2 {
        margin-top: 0;
    }

    .google-search-bar {
        max-width: 100%;
        border-width: 3px;
    }

    .google-search-input {
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .google-search-btn {
        padding: 8px 12px 8px 8px;
        margin: -3px -3px -3px 0;
    }

    .google-search-btn img {
        width: 22px;
        height: 22px;
    }

    /* App grid: wrap into rows of 3 */
    .app-gallery {
        padding: 16px 0;
    }

    .app-row-header {
        font-size: 1.1rem;
        margin-bottom: 8px;
    }

    .app-row {
        flex-wrap: wrap;
        gap: 8px;
        justify-content: center;
    }

    .app-subgroup {
        gap: 8px;
        flex-wrap: wrap;
        justify-content: center;
    }

    .app-split-row {
        flex-direction: column;
        gap: 16px;
        align-items: center;
    }

    .app-item {
        width: 90px;
        padding: 10px;
        gap: 6px;
    }

    .app-icon-wrapper {
        width: 44px;
        height: 44px;
        border-radius: 8px;
    }

    .app-item span {
        font-size: 0.72rem;
    }

    /* Other */
    .search-grade-row {
        flex-direction: column;
        align-items: stretch;
    }

    .search-bar {
        max-width: 100%;
    }

    .hero h2, .games-hero h2 {
        font-size: 2rem;
    }

    .hero p, .games-hero p {
        font-size: 1rem;
    }

    .features .container {
        grid-template-columns: 1fr;
    }

    footer {
        padding: 12px 0;
        margin: 10px;
        font-size: 0.8rem;
    }
}

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

    .filter-container {
        flex-direction: column;
        align-items: flex-start;
    }

    .filter-container label {
        margin-bottom: 5px;
    }
}

/* Short + wide viewport (Chromebooks: 1366×768, ~610px usable with Chrome UI + bookmarks) */
/* min-width: 1200px excludes iPads (1024px wide) while targeting Chromebooks (1366px) */
@media (max-height: 800px) and (min-width: 1200px) {
    header {
        padding: 3px 0;
    }

    header h1 {
        font-size: 1.1rem;
    }

    .header-logo {
        height: 24px;
    }

    .theme-toggle-btn {
        width: 28px;
        height: 28px;
        font-size: 0.8rem;
    }

    nav ul li a {
        padding: 3px 8px;
        font-size: 0.85rem;
    }

    .google-search-row {
        padding: 8px 0 4px;
    }

    .google-search-bar {
        border-width: 3px;
    }

    .google-search-bars {
        gap: 8px;
    }

    .google-search-bars-row2 {
        margin-top: 4px;
    }

    .google-search-icon {
        width: 18px;
        height: 18px;
        margin-left: 10px;
    }

    .google-search-input {
        padding: 5px 8px;
        font-size: 0.8rem;
    }

    .google-search-btn {
        padding: 5px 10px 5px 6px;
        margin: -3px -3px -3px 0;
    }

    .google-search-btn img {
        width: 18px;
        height: 18px;
    }

    .google-search-clear {
        padding: 0 5px;
    }

    .google-search-clear img {
        width: 11px;
        height: 11px;
    }

    .app-gallery {
        padding: 8px 0;
    }

    .app-row-header {
        font-size: 0.95rem;
        margin-bottom: 5px;
    }

    .app-row {
        gap: 14px;
    }

    .app-subgroup {
        gap: 6px;
    }

    .app-split-row {
        gap: 20px;
    }

    .app-item {
        width: 88px;
        padding: 6px;
        gap: 3px;
    }

    .app-icon-wrapper {
        width: 42px;
        height: 42px;
        border-radius: 8px;
    }

    .app-item span {
        font-size: 0.65rem;
    }

    .page-nav-container {
        margin-bottom: 6px;
    }

    .page-nav-btn {
        padding: 5px 14px;
        font-size: 0.8rem;
        border-width: 2px;
    }

    .page-nav-btn i {
        font-size: 0.9rem;
    }

    footer {
        padding: 6px 0;
        margin: 6px 8px;
        font-size: 0.75rem;
    }
}