/* Shared CSS for all pages */
@import url('https://fonts.googleapis.com/css2?family=Google+Sans+Code:ital,wght@0,300..800;1,300..800&display=swap');

/* Reset and base styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Google Sans Code", monospace;
    background: var(--bg-primary);
    color: var(--text-primary);
    overflow-x: hidden;
    line-height: 1.6;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 40px;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 1000;
    display: flex;
    justify-content: space-between; 
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.3s ease;
}

[data-theme="light"] .header {
    background: rgba(255, 255, 255, 0.95);
}

.header.scrolled {
    background: rgba(0, 0, 0, 0.9);
}

[data-theme="light"] .header.scrolled {
    background: rgba(255, 255, 255, 0.95);
}

.logo {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-primary);
}

.nav {
    display: flex;
    gap: 30px;
    align-items: center;
}

.nav a {
    color: var(--text-primary);
    text-decoration: none;
    opacity: 0.8;
    transition: opacity 0.3s, color 0.3s;
}

.nav a:hover {
    opacity: 1;
    color: var(--accent-color);
}

/* Main content */
.main-content {
    padding-top: 80px;
    min-height: 100vh;
}

/* Common button styles */
.btn {
    padding: 15px 30px;
    border: 2px solid var(--button-border);
    background: var(--button-bg);
    color: var(--button-text);
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.3s ease;
    font-weight: 500;
    cursor: pointer;
    display: inline-block;
    font-size: 1rem;
}

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

.btn.primary {
    background: var(--accent-color);
    color: white;
    border-color: var(--accent-color);
}

.btn.primary:hover {
    background: var(--accent-hover);
    color: white;
    border-color: var(--accent-hover);
}

/* Common form elements */
.search-box, .search-input {
    padding: 15px 20px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.3s ease;
    font-size: 1rem;
}

.search-box:focus, .search-input:focus {
    border-color: var(--accent-color);
}

/* Loading states */
.loading-spinner {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 30px;
    height: 30px;
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--accent-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Common page sections */
.page-header {
    padding: 40px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.page-title {
    font-size: 2.5rem;
    font-weight: 300;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.page-description {
    font-size: 1.1rem;
    opacity: 0.8;
    max-width: 600px;
    margin: 0 auto;
    color: var(--text-secondary);
}

/* Section styles */
.section {
    margin-bottom: 60px;
    padding: 0 40px;
}

.section-title {
    font-size: 2rem;
    font-weight: 300;
    text-align: center;
    margin-bottom: 40px;
    color: var(--text-primary);
}

/* Common utility classes */
.text-center {
    text-align: center;
}

.mb-20 {
    margin-bottom: 20px;
}

.mb-40 {
    margin-bottom: 40px;
}

.mt-20 {
    margin-top: 20px;
}

.mt-40 {
    margin-top: 40px;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        padding: 15px 20px;
    }
    
    .main-content {
        padding-top: 70px;
    }
    
    .section {
        padding: 0 20px;
    }
    
    .page-header {
        padding: 30px 20px;
    }
    
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .nav {
        gap: 15px;
    }
    
    .btn {
        padding: 12px 24px;
        font-size: 0.9rem;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}