/* Modern Clean Design Variables */
:root {
    --bg-primary: #fafbfc;
    --bg-secondary: #ffffff;
    --bg-accent: #f8f9fa;
    --text-primary: #1a1a1a;
    --text-secondary: #666666;
    --text-muted: #9e9e9e;
    --accent-blue: #007bff;
    --accent-green: #28a745;
    --accent-orange: #fd7e14;
    --accent-purple: #6f42c1;
    --border-light: #e9ecef;
    --border-medium: #dee2e6;
    --shadow-sm: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    --shadow-md: 0 0.5rem 1rem rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 1rem 3rem rgba(0, 0, 0, 0.175);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --border-radius: 12px;
    --border-radius-sm: 6px;
    --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --max-width: 1200px;
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg-primary: #121212;
        --bg-secondary: #1e1e1e;
        --bg-accent: #2d2d2d;
        --text-primary: #ffffff;
        --text-secondary: #b0b0b0;
        --text-muted: #707070;
        --border-light: #3d3d3d;
        --border-medium: #4d4d4d;
    }
}

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

body {
    font-family: var(--font-family);
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
}

/* Background Container */
.background-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    overflow: hidden;
}

.gradient-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-primary);
    background-image: 
        radial-gradient(circle at 20% 30%, rgba(102, 126, 234, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(245, 87, 108, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(118, 75, 162, 0.05) 0%, transparent 50%);
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
}

.floating-shapes::before,
.floating-shapes::after {
    content: '';
    position: absolute;
    background: var(--gradient-primary);
    border-radius: 50%;
    filter: blur(40px);
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.floating-shapes::before {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.floating-shapes::after {
    width: 200px;
    height: 200px;
    bottom: 10%;
    right: 10%;
    background: var(--gradient-secondary);
    animation-delay: -10s;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Main Container */
.main-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 40px 20px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    gap: 40px;
}

/* Header Section */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-secondary);
    padding: 32px 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--gradient-primary);
}

.logo-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.main-title {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin: 0;
    line-height: 1.1;
}

.subtitle {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
    margin: 0;
}

.time-weather {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: 4px;
}

.time-display {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
}

.date-display {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Search Section */
.search-section {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-input-wrapper {
    display: flex;
    margin-bottom: 20px;
    background: var(--bg-accent);
    border-radius: var(--border-radius-sm);
    padding: 4px;
    border: 1px solid var(--border-light);
    transition: var(--transition);
}

.search-input-wrapper:focus-within {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.1);
}

#search-input {
    flex: 1;
    border: none;
    background: transparent;
    padding: 16px 20px;
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
}

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

.search-btn {
    background: var(--accent-blue);
    border: none;
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.search-btn:hover {
    background: #0056b3;
    transform: translateY(-1px);
}

.search-engines {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

.engine-btn {
    background: var(--bg-accent);
    border: 1px solid var(--border-light);
    border-radius: var(--border-radius-sm);
    padding: 12px 16px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.engine-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
    color: var(--text-primary);
    transform: translateY(-1px);
}

.engine-btn.active {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: white;
}

.engine-icon {
    font-weight: bold;
    font-size: 0.75rem;
    padding: 4px 6px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}

/* Quick Links Section */
.quick-links {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.section-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.link-card {
    display: flex;
    align-items: center;
    padding: 20px;
    background: var(--bg-accent);
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-light);
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
    gap: 16px;
}

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

.card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.card-desc {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin: 0;
}

/* News Section */
.news-section {
    background: var(--bg-secondary);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-light);
}

.news-container {
    display: grid;
    gap: 20px;
}

.news-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    padding: 40px;
    color: var(--text-secondary);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-light);
    border-top-color: var(--accent-blue);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.news-item {
    padding: 20px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-light);
    background: var(--bg-accent);
    transition: var(--transition);
}

.news-item:hover {
    background: var(--bg-secondary);
    border-color: var(--accent-blue);
}

.news-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
    line-height: 1.4;
}

.news-summary {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 12px;
}

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

.news-source {
    font-weight: 500;
}

/* Footer */
.page-footer {
    text-align: center;
    padding: 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .main-container {
        padding: 20px 16px;
        gap: 24px;
    }
    
    .page-header {
        flex-direction: column;
        gap: 20px;
        text-align: center;
        padding: 24px;
    }
    
    .main-title {
        font-size: 2rem;
    }
    
    .links-grid {
        grid-template-columns: 1fr;
    }
    
    .search-engines {
        gap: 8px;
    }
    
    .engine-btn {
        padding: 10px 12px;
        font-size: 0.75rem;
    }
    
    .search-section,
    .quick-links,
    .news-section {
        padding: 24px;
    }
}

@media (max-width: 480px) {
    .main-container {
        padding: 16px 12px;
    }
    
    .page-header {
        padding: 20px;
    }
    
    .main-title {
        font-size: 1.75rem;
    }
    
    .search-input-wrapper {
        flex-direction: column;
        gap: 8px;
    }
    
    .search-engines {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}