/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --secondary-color: #64748b;
    --background-color: #f8fafc;
    --surface-color: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --hover-color: #f1f5f9;
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --border-radius: 12px;
    --transition: all 0.2s ease;
}

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--background-color);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
.header {
    background: var(--surface-color);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
    background-color: rgba(255, 255, 255, 0.95);
}

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

.greeting h1 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.greeting p {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.weather {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.weather i {
    color: #fbbf24;
}

/* Main Content */
.main {
    flex: 1;
    padding: 3rem 0;
}

/* Search Section */
.search-section {
    margin-bottom: 4rem;
    text-align: center;
}

.search-box {
    display: flex;
    max-width: 600px;
    margin: 0 auto;
    background: var(--surface-color);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.search-box:focus-within {
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.search-selector {
    border: none;
    background: var(--hover-color);
    padding: 1rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    cursor: pointer;
    outline: none;
    border-right: 1px solid var(--border-color);
}

#search-input {
    flex: 1;
    border: none;
    padding: 1rem 1.5rem;
    font-size: 1rem;
    outline: none;
    background: transparent;
}

#search-input::placeholder {
    color: var(--text-secondary);
}

#search-btn {
    border: none;
    background: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
}

#search-btn:hover {
    background: #1d4ed8;
}

/* Quick Links */
.quick-links {
    margin-bottom: 4rem;
}

.quick-links h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    max-width: 800px;
    margin: 0 auto;
}

.link-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.link-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.link-card i {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.link-card span {
    font-size: 0.875rem;
    font-weight: 500;
}

/* News Section */
.news-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.content-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    margin-top: 2rem;
}

.content-section h2:first-child {
    margin-top: 0;
}

.content-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: var(--shadow);
    max-width: 800px;
    margin: 0 auto;
}

.content-section p {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.news-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.news-item {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-decoration: none;
    color: inherit;
    display: block;
}

.news-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.news-item h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-item p {
    font-size: 0.875rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 0.75rem;
}

.news-meta {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.loading {
    text-align: center;
    color: var(--text-secondary);
    font-style: italic;
    grid-column: 1 / -1;
}

/* Footer */
.footer {
    background: var(--surface-color);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.footer-links {
    margin-top: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--primary-color);
    text-decoration: underline;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }
    
    .header .container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .main {
        padding: 2rem 0;
    }
    
    .search-box {
        flex-direction: column;
    }
    
    .search-selector {
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 0.75rem;
    }
    
    .link-card {
        padding: 1rem 0.5rem;
    }
    
    .news-container {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .greeting h1 {
        font-size: 1.25rem;
    }
}

@media (max-width: 480px) {
    .search-section {
        margin-bottom: 2rem;
    }
    
    .quick-links {
        margin-bottom: 2rem;
    }
    
    .links-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    }
    
    .link-card i {
        font-size: 1.25rem;
    }
    
    .link-card span {
        font-size: 0.75rem;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --primary-color: #3b82f6;
        --secondary-color: #94a3b8;
        --background-color: #0f172a;
        --surface-color: #1e293b;
        --text-primary: #f1f5f9;
        --text-secondary: #94a3b8;
        --border-color: #334155;
        --hover-color: #2d4057;
    }
    
    .header {
        background-color: rgba(30, 41, 59, 0.95);
    }
}