/* AI News Scraper Pro - Frontend Styles */

:root {
    --primary-color: #667eea;
    --primary-dark: #5a67d8;
    --secondary-color: #764ba2;
    --accent-color: #f093fb;
    --success-color: #48bb78;
    --warning-color: #ed8936;
    --error-color: #f56565;
    --text-color: #2d3748;
    --text-light: #4a5568;
    --text-muted: #718096;
    --bg-color: #f7fafc;
    --bg-white: #ffffff;
    --border-color: #e2e8f0;
    --border-light: #edf2f7;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --radius: 8px;
    --radius-sm: 4px;
    --radius-lg: 12px;
    --transition: all 0.3s ease;
}

/* Dark Theme */
.dark-theme {
    --text-color: #f7fafc;
    --text-light: #e2e8f0;
    --text-muted: #a0aec0;
    --bg-color: #1a202c;
    --bg-white: #2d3748;
    --border-color: #4a5568;
    --border-light: #2d3748;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.3), 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -1px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.3), 0 4px 6px -2px rgba(0, 0, 0, 0.2);
}

/* Base Styles */
* {
    box-sizing: border-box;
}

.ansp-dashboard {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    transition: var(--transition);
}

/* Container */
.ansp-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.ansp-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 20px 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.ansp-site-title {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
}

.ansp-logo {
    font-size: 2rem;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.ansp-header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.ansp-theme-toggle {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.ansp-theme-toggle:hover {
    background: rgba(255, 255, 255, 0.3);
}

.dark-theme .ansp-theme-toggle .ansp-sun {
    display: none;
}

.ansp-theme-toggle .ansp-moon {
    display: none;
}

.dark-theme .ansp-theme-toggle .ansp-moon {
    display: inline;
}

.ansp-user-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
}

.ansp-username {
    font-weight: 500;
}

.ansp-logout {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    padding: 6px 12px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.ansp-logout:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    text-decoration: none;
}

/* Filters Section */
.ansp-filters-section {
    background: var(--bg-white);
    padding: 25px 0;
    box-shadow: var(--shadow-sm);
    border-bottom: 1px solid var(--border-light);
}

.ansp-filters-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.ansp-search-bar {
    display: flex;
    gap: 0;
    max-width: 500px;
}

.ansp-search-bar input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-right: none;
    border-radius: var(--radius) 0 0 var(--radius);
    font-size: 16px;
    background: var(--bg-white);
    color: var(--text-color);
    transition: var(--transition);
}

.ansp-search-bar input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.ansp-search-btn {
    padding: 12px 16px;
    background: var(--primary-color);
    color: white;
    border: 2px solid var(--primary-color);
    border-radius: 0 var(--radius) var(--radius) 0;
    cursor: pointer;
    font-size: 16px;
    transition: var(--transition);
}

.ansp-search-btn:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
}

.ansp-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    align-items: center;
}

.ansp-filters select {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-white);
    color: var(--text-color);
    font-size: 14px;
    min-width: 150px;
}

.ansp-filter-btn, .ansp-clear-btn {
    padding: 10px 16px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
}

.ansp-filter-btn {
    background: var(--primary-color);
    color: white;
}

.ansp-filter-btn:hover {
    background: var(--primary-dark);
}

.ansp-clear-btn {
    background: var(--text-muted);
    color: white;
}

.ansp-clear-btn:hover {
    background: var(--text-color);
    color: white;
    text-decoration: none;
}

/* Stats Section */
.ansp-stats-section {
    padding: 20px 0;
}

.ansp-stats {
    display: flex;
    gap: 30px;
    justify-content: center;
}

.ansp-stat {
    text-align: center;
    padding: 15px;
}

.ansp-stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 5px;
}

.ansp-stat-label {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Main Content */
.ansp-main-content {
    padding: 30px 0 50px;
}

/* Articles Grid */
.ansp-articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.ansp-article-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.ansp-article-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}

.ansp-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 20px 0;
}

.ansp-source-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ansp-source-name {
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
}

.ansp-publish-date {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ansp-favorite-btn {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.5;
    transition: var(--transition);
    padding: 5px;
    border-radius: var(--radius-sm);
}

.ansp-favorite-btn:hover, 
.ansp-favorite-btn.favorited {
    opacity: 1;
    transform: scale(1.1);
}

.ansp-card-content {
    padding: 20px;
}

.ansp-article-title {
    margin: 0 0 15px 0;
    font-size: 1.2rem;
    line-height: 1.4;
}

.ansp-article-title a {
    color: var(--text-color);
    text-decoration: none;
    transition: var(--transition);
}

.ansp-article-title a:hover {
    color: var(--primary-color);
}

.ansp-article-summary {
    color: var(--text-light);
    margin-bottom: 15px;
    line-height: 1.6;
    font-size: 0.95rem;
}

.ansp-keywords {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 20px;
}

.ansp-keyword-tag {
    display: inline-block;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 500;
    color: white;
    background: var(--text-muted);
}

.ansp-keyword-tag.ansp-category-ia {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.ansp-keyword-tag.ansp-category-crypto {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
}

.ansp-keyword-tag.ansp-category-tech {
    background: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
}

.ansp-keyword-tag.ansp-category-main {
    background: linear-gradient(135deg, #43e97b 0%, #38f9d7 100%);
}

.ansp-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid var(--border-light);
}

.ansp-relevance-score {
    display: flex;
    align-items: center;
    gap: 6px;
}

.ansp-score-label {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.ansp-score-value {
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 3px;
    font-size: 0.8rem;
}

.ansp-score-value.score-9, .ansp-score-value.score-10 {
    background: #d4edda;
    color: #155724;
}

.ansp-score-value.score-7, .ansp-score-value.score-8 {
    background: #d1ecf1;
    color: #0c5460;
}

.ansp-score-value.score-5, .ansp-score-value.score-6 {
    background: #fff3cd;
    color: #856404;
}

.ansp-score-value.score-0, .ansp-score-value.score-1, 
.ansp-score-value.score-2, .ansp-score-value.score-3, 
.ansp-score-value.score-4 {
    background: #f8d7da;
    color: #721c24;
}

.ansp-card-actions {
    display: flex;
    gap: 10px;
}

.ansp-read-btn, .ansp-pdf-btn {
    padding: 6px 12px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
}

.ansp-read-btn {
    background: var(--primary-color);
    color: white;
}

.ansp-read-btn:hover {
    background: var(--primary-dark);
    color: white;
    text-decoration: none;
}

.ansp-pdf-btn {
    background: var(--warning-color);
    color: white;
}

.ansp-pdf-btn:hover {
    background: #dd6b20;
}

/* No Results */
.ansp-no-results {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}

.ansp-no-results-icon {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.5;
}

.ansp-no-results h3 {
    margin: 0 0 10px 0;
    color: var(--text-light);
}

/* Pagination */
.ansp-pagination {
    margin-top: 40px;
    text-align: center;
}

.ansp-pagination .page-numbers {
    display: inline-block;
    padding: 8px 12px;
    margin: 0 2px;
    background: var(--bg-white);
    color: var(--text-color);
    text-decoration: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.ansp-pagination .page-numbers:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.ansp-pagination .page-numbers.current {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Footer */
.ansp-footer {
    background: var(--bg-white);
    border-top: 1px solid var(--border-light);
    padding: 20px 0;
    text-align: center;
    color: var(--text-muted);
    margin-top: auto;
}

/* Loading Overlay */
.ansp-loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: none;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.ansp-loading-spinner {
    background: var(--bg-white);
    padding: 30px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-lg);
}

.ansp-spinner {
    width: 40px;
    height: 40px;
    margin: 0 auto 15px;
    border: 4px solid var(--border-color);
    border-top: 4px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .ansp-container {
        padding: 0 15px;
    }
    
    .ansp-header-content {
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }
    
    .ansp-site-title {
        font-size: 1.5rem;
    }
    
    .ansp-filters-form {
        gap: 15px;
    }
    
    .ansp-filters {
        flex-direction: column;
        align-items: stretch;
    }
    
    .ansp-filters select {
        min-width: auto;
    }
    
    .ansp-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .ansp-articles-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .ansp-card-footer {
        flex-direction: column;
        gap: 10px;
        align-items: flex-start;
    }
    
    .ansp-card-actions {
        align-self: stretch;
        justify-content: space-between;
    }
    
    .ansp-read-btn, .ansp-pdf-btn {
        flex: 1;
        text-align: center;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .ansp-search-bar {
        flex-direction: column;
        max-width: none;
    }
    
    .ansp-search-bar input {
        border-radius: var(--radius);
        border-right: 2px solid var(--border-color);
    }
    
    .ansp-search-btn {
        border-radius: var(--radius);
        margin-top: 10px;
    }
    
    .ansp-stat-number {
        font-size: 2rem;
    }
    
    .ansp-card-content {
        padding: 15px;
    }
    
    .ansp-article-title {
        font-size: 1.1rem;
    }
}