/* CSS Variables for Dark/Light Mode */
:root {
    --bg-color: #f1f1f1;
    --text-color: #333;
    --header-bg: #333;
    --header-text: #fff;
    --section-bg: #fff;
    --section-shadow: rgba(0, 0, 0, 0.1);
    --button-bg: #006400;
    --button-hover: #004d00;
    --platform-bg: #2d2d2d;
    --platform-hover: #444;
    --border-color: #ccc;
    --input-bg: #fff;
    --input-border: #ddd;
    --modal-bg: rgba(0, 0, 0, 0.5);
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #e0e0e0;
    --header-bg: #000;
    --header-text: #fff;
    --section-bg: #2d2d2d;
    --section-shadow: rgba(0, 0, 0, 0.3);
    --button-bg: #008000;
    --button-hover: #006400;
    --platform-bg: #404040;
    --platform-hover: #555;
    --border-color: #555;
    --input-bg: #404040;
    --input-border: #555;
    --modal-bg: rgba(0, 0, 0, 0.7);
}

body {
    font-family: 'Arial', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Header Styles */
header {
    background-color: var(--header-bg);
    color: var(--header-text);
    text-align: center;
    padding: 50px 0;
    letter-spacing: 3px;
    font-weight: bold;
    font-family: 'Lobster', cursive;
    position: relative;
}

header h1 {
    font-size: 3em;
    margin: 0;
}

header p {
    font-family: 'Babas Neue', sans-serif;
    font-size: 1.5em;
    margin: 20px 0;
}

/* Theme Toggle */
.theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: 2px solid var(--header-text);
    color: var(--header-text);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background-color: var(--header-text);
    color: var(--header-bg);
}

/* User Controls */
.user-controls {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    gap: 10px;
    align-items: center;
}

.user-info {
    color: var(--header-text);
    font-size: 14px;
}

.auth-btn {
    background: none;
    border: 2px solid var(--header-text);
    color: var(--header-text);
    padding: 6px 12px;
    border-radius: 15px;
    cursor: pointer;
    font-size: 12px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
}

.auth-btn:hover {
    background-color: var(--header-text);
    color: var(--header-bg);
}

/* Section Styles */
section {
    padding: 30px;
    max-width: 1200px;
    margin: 0 auto;
    background-color: var(--section-bg);
    box-shadow: 0 0 10px var(--section-shadow);
    margin-bottom: 30px;
    border-radius: 8px;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

section h2 {
    font-family: 'Babas Neue', sans-serif;
    color: var(--text-color);
    font-size: 2.5em;
    text-align: center;
    margin-bottom: 20px;
    font-weight: bold;
}

section p {
    font-size: 1.2em;
    line-height: 1.6;
    text-align: center;
    color: var(--text-color);
}

/* Button Styles */
.cta-button {
    display: inline-block;
    background-color: var(--button-bg);
    color: #fff;
    font-size: 1.2em;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    margin-top: 20px;
    text-align: center;
    font-family: 'Lobster', cursive;
    transition: background-color 0.3s ease;
    border: none;
    cursor: pointer;
}

.cta-button:hover {
    background-color: var(--button-hover);
}

/* Platform Styles */
.platforms {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-top: 20px;
}

.platform {
    font-size: 1.1em;
    background-color: var(--platform-bg);
    padding: 10px 15px;
    color: #fff;
    border-radius: 5px;
    text-align: center;
    transition: background-color 0.3s ease;
}

.platform a {
    color: #fff;
    text-decoration: none;
}

.platform:hover {
    background-color: var(--platform-hover);
}

/* Footer Styles */
footer {
    background-color: var(--header-bg);
    color: var(--header-text);
    text-align: center;
    padding: 20px 0;
    font-size: 1em;
}

footer a {
    color: var(--header-text);
    text-decoration: none;
    margin-left: 10px;
}

footer a:hover {
    text-decoration: underline;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-bg);
}

.modal-content {
    background-color: var(--section-bg);
    margin: 10% auto;
    padding: 30px;
    border-radius: 10px;
    width: 90%;
    max-width: 400px;
    position: relative;
    box-shadow: 0 4px 20px var(--section-shadow);
}

.close {
    color: var(--text-color);
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    line-height: 1;
}

.close:hover {
    opacity: 0.7;
}

/* Form Styles */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    color: var(--text-color);
    font-weight: bold;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--input-border);
    border-radius: 5px;
    background-color: var(--input-bg);
    color: var(--text-color);
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s ease, background-color 0.3s ease;
}

.form-group input:focus {
    outline: none;
    border-color: var(--button-bg);
}

.error-message {
    color: #ff4444;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

.success-message {
    color: #44ff44;
    font-size: 14px;
    margin-top: 5px;
    display: none;
}

/* Apps Section */
.apps-section {
    display: none;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 20px;
}

.app-card {
    background-color: var(--platform-bg);
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.app-card:hover {
    background-color: var(--platform-hover);
    transform: translateY(-2px);
}

.app-card h3 {
    margin: 0 0 10px 0;
    font-size: 1.3em;
}

.app-card p {
    margin: 0;
    font-size: 0.9em;
    opacity: 0.8;
}

/* Canvas Container */
.canvas-container {
    display: none;
    background-color: var(--section-bg);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.canvas-controls {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-bottom: 20px;
}

#gameCanvas {
    border: 2px solid var(--border-color);
    border-radius: 5px;
    display: block;
    margin: 0 auto;
    background-color: #000;
    max-width: 100%;
    height: auto;
}

/* Responsive Design */
@media (max-width: 768px) {
    .user-controls, .theme-toggle {
        position: static;
        margin: 10px;
    }
    
    header {
        padding: 30px 20px;
    }
    
    header h1 {
        font-size: 2em;
    }
    
    .modal-content {
        margin: 5% auto;
        width: 95%;
        padding: 20px;
    }
    
    .apps-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    }
}