/* style.css */
:root {
    /* Light Theme Variables */
    --background-color-light: #f0f2f5;
    --text-color-light: #333;
    --header-bg-light: #ffffff;
    --header-text-light: #1a1a1a;
    --card-bg-light: #ffffff;
    --card-border-light: #e0e0e0;
    --tag-bg-light: #e0e0e0;
    --tag-text-light: #555;
    --tag-active-bg-light: #007bff;
    --tag-active-text-light: #ffffff;
    --search-bg-light: #f8f8f8;
    --search-border-light: #ccc;
    --search-text-light: #333;
    --button-bg-light: #007bff;
    --button-text-light: #ffffff;
    --footer-bg-light: #343a40;
    --footer-text-light: #f0f2f5;
    --shadow-color-light: rgba(0, 0, 0, 0.1);

    /* Dark Theme Variables */
    --background-color-dark: #1a1a2e;
    --text-color-dark: #e0e0e0;
    --header-bg-dark: #0f0f1a;
    --header-text-dark: #00e6e6; /* Cyan glow */
    --card-bg-dark: #2a2a4a;
    --card-border-dark: #4a4a6a;
    --tag-bg-dark: #3a3a5a;
    --tag-text-dark: #b0b0d0;
    --tag-active-bg-dark: #00e6e6; /* Cyan glow */
    --tag-active-text-dark: #1a1a2e;
    --search-bg-dark: #1f1f3a;
    --search-border-dark: #4a4a6a;
    --search-text-dark: #e0e0e0;
    --button-bg-dark: #00e6e6;
    --button-text-dark: #1a1a2e;
    --footer-bg-dark: #0f0f1a;
    --footer-text-dark: #00e6e6;
    --shadow-color-dark: rgba(0, 230, 230, 0.2); /* Cyan glow shadow */

    /* Current Theme Variables (default to light) */
    --current-bg: var(--background-color-light);
    --current-text: var(--text-color-light);
    --current-header-bg: var(--header-bg-light);
    --current-header-text: var(--header-text-light);
    --current-card-bg: var(--card-bg-light);
    --current-card-border: var(--card-border-light);
    --current-tag-bg: var(--tag-bg-light);
    --current-tag-text: var(--tag-text-light);
    --current-tag-active-bg: var(--tag-active-bg-light);
    --current-tag-active-text: var(--tag-active-text-light);
    --current-search-bg: var(--search-bg-light);
    --current-search-border: var(--search-border-light);
    --current-search-text: var(--search-text-light);
    --current-button-bg: var(--button-bg-light);
    --current-button-text: var(--button-text-light);
    --current-footer-bg: var(--footer-bg-light);
    --current-footer-text: var(--footer-text-light);
    --current-shadow: var(--shadow-color-light);
}

/* Dark Theme Overrides */
body.dark-theme {
    --current-bg: var(--background-color-dark);
    --current-text: var(--text-color-dark);
    --current-header-bg: var(--header-bg-dark);
    --current-header-text: var(--header-text-dark);
    --current-card-bg: var(--card-bg-dark);
    --current-card-border: var(--card-border-dark);
    --current-tag-bg: var(--tag-bg-dark);
    --current-tag-text: var(--tag-text-dark);
    --current-tag-active-bg: var(--tag-active-bg-dark);
    --current-tag-active-text: var(--tag-active-text-dark);
    --current-search-bg: var(--search-bg-dark);
    --current-search-border: var(--search-border-dark);
    --current-search-text: var(--search-text-dark);
    --current-button-bg: var(--button-bg-dark);
    --current-button-text: var(--button-text-dark);
    --current-footer-bg: var(--footer-bg-dark);
    --current-footer-text: var(--footer-text-dark);
    --current-shadow: var(--shadow-color-dark);
}

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

body {
    font-family: 'Roboto Mono', monospace;
    background-color: var(--current-bg);
    color: var(--current-text);
    line-height: 1.6;
    transition: background-color 0.5s ease, color 0.5s ease;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

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

/* Header - Cosmic Header */
.cosmic-header {
    background-color: var(--current-header-bg);
    color: var(--current-header-text);
    padding: 1.5rem 2rem;
    box-shadow: 0 4px 15px var(--current-shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--current-card-border);
    transition: background-color 0.5s ease, color 0.5s ease, box-shadow 0.5s ease;
}

.header-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.galaxy-logo {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--current-header-text);
    text-shadow: 0 0 10px var(--current-header-text);
    transition: color 0.5s ease, text-shadow 0.5s ease;
}

.galaxy-logo:hover {
    color: var(--current-tag-active-bg);
    text-shadow: 0 0 15px var(--current-tag-active-bg);
}

/* Theme Toggle Button */
.cyber-button {
    background-color: var(--current-button-bg);
    color: var(--current-button-text);
    border: none;
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    box-shadow: 0 0 15px var(--current-shadow);
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease, transform 0.1s ease;
}

.cyber-button:hover {
    background-color: var(--current-tag-active-bg);
    box-shadow: 0 0 20px var(--current-tag-active-bg);
    transform: translateY(-2px);
}

.cyber-button:active {
    transform: translateY(0);
    box-shadow: 0 0 10px var(--current-tag-active-bg);
}

/* Main Content Area */
.main-universe {
    flex: 1;
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
    padding-top: 4rem; /* Spacing between header and first list/description */
}

/* Nebula Description */
.nebula-description {
    background-color: var(--current-card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 8px 25px var(--current-shadow);
    margin-bottom: 3rem;
    border: 1px solid var(--current-card-border);
    transition: background-color 0.5s ease, color 0.5s ease, box-shadow 0.5s ease, border-color 0.5s ease;
}

.nebula-description p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--current-text);
}

/* Stellar Filters - Tags and Search */
.stellar-filters {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    margin-bottom: 3rem;
}

/* Tag Navigation */
.tag-navigation {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.tag-chip {
    background-color: var(--current-tag-bg);
    color: var(--current-tag-text);
    padding: 0.8rem 1.5rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease, transform 0.1s ease, box-shadow 0.3s ease;
    box-shadow: 0 2px 8px var(--current-shadow);
    border: 1px solid var(--current-card-border);
}

.tag-chip:hover {
    background-color: var(--current-tag-active-bg);
    color: var(--current-tag-active-text);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px var(--current-shadow);
}

.tag-chip.active-tag {
    background-color: var(--current-tag-active-bg);
    color: var(--current-tag-active-text);
    box-shadow: 0 0 20px var(--current-tag-active-bg);
    border-color: var(--current-tag-active-bg);
}

/* Search Console */
.search-console {
    display: flex;
    align-items: center;
    background-color: var(--current-search-bg);
    border: 2px solid var(--current-search-border);
    border-radius: 30px;
    padding: 0.7rem 1.5rem;
    box-shadow: 0 4px 15px var(--current-shadow);
    max-width: 600px;
    margin: 0 auto;
    transition: background-color 0.5s ease, border-color 0.5s ease, box-shadow 0.5s ease;
}

.search-icon {
    font-size: 1.5rem;
    color: var(--current-search-text);
    margin-right: 0.8rem;
    transition: color 0.5s ease;
}

.search-field {
    flex-grow: 1;
    border: none;
    background: transparent;
    color: var(--current-search-text);
    font-family: 'Roboto Mono', monospace;
    font-size: 1.1rem;
    outline: none;
    padding: 0.2rem 0;
}

.search-field::placeholder {
    color: var(--current-search-text);
    opacity: 0.7;
}

.search-button {
    background-color: var(--current-button-bg);
    color: var(--current-button-text);
    border: none;
    padding: 0.6rem 1.2rem;
    border-radius: 20px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 700;
    transition: background-color 0.3s ease, box-shadow 0.3s ease, transform 0.1s ease;
}

.search-button:hover {
    background-color: var(--current-tag-active-bg);
    box-shadow: 0 0 15px var(--current-tag-active-bg);
    transform: scale(1.05);
}

.search-button:active {
    transform: scale(1);
}

/* Game Galaxy - Grid Layout */
.game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2.5rem;
    padding-bottom: 3rem;
}

.quantum-card {
    background-color: var(--current-card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 10px 30px var(--current-shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease, background-color 0.5s ease, border-color 0.5s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--current-card-border);
    cursor: pointer;
}

.quantum-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 40px var(--current-shadow);
}

.card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    border-bottom: 1px solid var(--current-card-border);
    transition: border-color 0.5s ease;
}

.quantum-card:hover.card-image {
    border-color: var(--current-tag-active-bg);
}

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

.card-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.4rem;
    margin-bottom: 0.5rem;
    color: var(--current-header-text);
    transition: color 0.5s ease;
}

.quantum-card:hover.card-title {
    color: var(--current-tag-active-bg);
}

.card-genre {
    font-size: 0.9rem;
    color: var(--current-text);
    opacity: 0.8;
    margin-bottom: 1rem;
}

.card-description {
    font-size: 0.95rem;
    color: var(--current-text);
    line-height: 1.5;
    flex-grow: 1;
}

/* Footer - Deep Space Footer */
.deep-space-footer {
    background-color: var(--current-footer-bg);
    color: var(--current-footer-text);
    padding: 2rem;
    text-align: center;
    border-top: 1px solid var(--current-card-border);
    box-shadow: 0 -4px 15px var(--current-shadow);
    transition: background-color 0.5s ease, color 0.5s ease, box-shadow 0.5s ease;
}

.footer-links {
    margin-bottom: 1rem;
}

.footer-link {
    color: var(--current-footer-text);
    margin: 0 1rem;
    font-size: 0.95rem;
    transition: color 0.3s ease;
}

.footer-link:hover {
    color: var(--current-tag-active-bg);
}

.copyright-text {
    font-size: 0.85rem;
    opacity: 0.7;
}

/* Responsive Design - Media Queries */

/* Tablet (768px - 1023px) */
@media (max-width: 1023px) {
    .main-universe {
        padding: 1.5rem;
        padding-top: 3rem;
    }

    .cosmic-header {
        padding: 1rem 1.5rem;
    }

    .galaxy-logo {
        font-size: 1.8rem;
    }

    .cyber-button {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }

    .nebula-description {
        padding: 2rem;
        margin-bottom: 2rem;
    }

    .nebula-description p {
        font-size: 1rem;
    }

    .stellar-filters {
        gap: 2rem;
        margin-bottom: 2.5rem;
    }

    .tag-chip {
        padding: 0.7rem 1.2rem;
        font-size: 0.9rem;
    }

    .search-console {
        padding: 0.6rem 1.2rem;
    }

    .search-icon {
        font-size: 1.3rem;
    }

    .search-field {
        font-size: 1rem;
    }

    .search-button {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }

    .game-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 2rem;
    }

    .quantum-card {
        border-radius: 12px;
    }

    .card-image {
        height: 180px;
    }

    .card-content {
        padding: 1.2rem;
    }

    .card-title {
        font-size: 1.2rem;
    }

    .card-genre,.card-description {
        font-size: 0.9rem;
    }

    .deep-space-footer {
        padding: 1.5rem;
    }

    .footer-link {
        margin: 0 0.8rem;
        font-size: 0.9rem;
    }

    .copyright-text {
        font-size: 0.8rem;
    }
}

/* Mobile (up to 767px) */
@media (max-width: 767px) {
    .cosmic-header {
        padding: 1rem;
        flex-direction: column;
        align-items: flex-start;
    }

    .header-content {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

    .galaxy-logo {
        font-size: 1.6rem;
        margin-bottom: 1rem;
    }

    .cyber-button {
        width: 100%;
        text-align: center;
        padding: 0.8rem;
        font-size: 0.9rem;
    }

    .main-universe {
        padding: 1rem;
        padding-top: 2rem;
    }

    .nebula-description {
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }

    .nebula-description p {
        font-size: 0.95rem;
    }

    .stellar-filters {
        gap: 1.5rem;
        margin-bottom: 2rem;
    }

    .tag-navigation {
        justify-content: flex-start;
        gap: 0.8rem;
    }

    .tag-chip {
        padding: 0.6rem 1rem;
        font-size: 0.85rem;
    }

    .search-console {
        flex-wrap: wrap;
        padding: 0.5rem 1rem;
        border-radius: 25px;
    }

    .search-icon {
        font-size: 1.2rem;
        margin-right: 0.5rem;
    }

    .search-field {
        font-size: 0.95rem;
        padding: 0.1rem 0;
    }

    .search-button {
        width: 100%;
        margin-top: 0.8rem;
        padding: 0.6rem;
        font-size: 0.85rem;
    }

    .game-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 1.5rem;
    }

    .quantum-card {
        border-radius: 10px;
    }

    .card-image {
        height: 160px;
    }

    .card-content {
        padding: 1rem;
    }

    .card-title {
        font-size: 1.1rem;
    }

    .card-genre,.card-description {
        font-size: 0.85rem;
    }

    .deep-space-footer {
        padding: 1rem;
    }

    .footer-links {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
        margin-bottom: 0.8rem;
    }

    .footer-link {
        margin: 0;
        font-size: 0.85rem;
    }

    .copyright-text {
        font-size: 0.75rem;
    }
}