/* Playground Setup Styles - Matching Main Site Design */

@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazir-font@v30.1.0/dist/font-face.css');

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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #1e40af;
    --accent-color: #ef4444;
    --green-color: #10b981;
    --orange-color: #f59e0b;
    --purple-color: #8b5cf6;
    --text-color: #f1f5f9;
    --text-light: #94a3b8;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-tertiary: #334155;
    --border-color: #475569;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Vazir', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

/* Animated Background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
    z-index: 0;
    pointer-events: none;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: #000000;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
}

.loading-spinner {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    border: 3px solid rgba(37, 99, 235, 0.2);
    border-top-color: var(--primary-color);
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Setup Container */
.setup-container {
    background: var(--bg-secondary);
    border-radius: 20px;
    padding: 3rem;
    max-width: 900px;
    width: 100%;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
    backdrop-filter: blur(10px);
}

.setup-header {
    text-align: center;
    margin-bottom: 3rem;
}

.setup-header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 700;
}

.setup-header h1 i {
    color: var(--primary-color);
    margin-right: 1rem;
}

.setup-header p {
    color: var(--text-light);
    font-size: 1.1rem;
}

/* Project Type Section */
.project-type-section {
    margin-bottom: 2.5rem;
}

.section-title {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.section-title i {
    color: var(--primary-color);
}

.project-types {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.project-type-card {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.project-type-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, transparent 0%, rgba(59, 130, 246, 0.1) 100%);
    opacity: 0;
    transition: var(--transition);
}

.project-type-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(59, 130, 246, 0.3);
}

.project-type-card:hover::before {
    opacity: 1;
}

.project-type-card.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.15);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.2);
}

.project-type-card.selected::after {
    content: '\f00c';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 15px;
    right: 15px;
    color: var(--green-color);
    font-size: 1.5rem;
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.multi-file .card-icon {
    color: var(--primary-color);
}

.single-file .card-icon {
    color: var(--accent-color);
}

.card-title {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-color);
}

.card-description {
    color: var(--text-light);
    font-size: 0.95rem;
}

/* Language Selection */
.language-selection {
    display: none;
    animation: fadeIn 0.3s ease;
}

.language-selection.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.language-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
}

.language-btn {
    background: var(--bg-tertiary);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.75rem;
    position: relative;
    overflow: hidden;
}

.language-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(59, 130, 246, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s ease, height 0.4s ease;
}

.language-btn:hover::before {
    width: 200%;
    height: 200%;
}

.language-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(59, 130, 246, 0.3);
}

.language-btn.selected {
    border-color: var(--primary-color);
    background: rgba(59, 130, 246, 0.2);
    box-shadow: 0 0 20px rgba(59, 130, 246, 0.3);
}

.language-btn i {
    font-size: 2.5rem;
}

.language-btn.html i {
    color: #e34c26;
}

.language-btn.css i {
    color: #264de4;
}

.language-btn.javascript i {
    color: #f0db4f;
}

.language-btn.python i {
    color: #306998;
}

.language-btn.php i {
    color: #777bb3;
}

.language-btn span {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    z-index: 1;
}

.language-btn i {
    position: relative;
    z-index: 1;
}

/* Start Button */
.start-section {
    text-align: center;
    margin-top: 3rem;
}

.start-btn {
    background: var(--primary-color);
    color: white;
    border: none;
    padding: 1rem 3rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
}

.start-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(37, 99, 235, 0.3);
}

.start-btn:disabled {
    background: var(--text-light);
    cursor: not-allowed;
    transform: none;
}

.start-btn i {
    font-size: 1.2rem;
}

/* Back Button */
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    margin-bottom: 2rem;
    transition: var(--transition);
}

.back-link:hover {
    transform: translateX(-5px);
}

/* Responsive Design */
@media (max-width: 768px) {
    body {
        padding: 1rem;
    }

    .setup-container {
        padding: 2rem;
    }

    .setup-header h1 {
        font-size: 2rem;
    }

    .project-types {
        grid-template-columns: 1fr;
    }

    .language-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    }

    .start-btn {
        padding: 0.875rem 2rem;
        font-size: 1rem;
    }
}