/**
 * AI Widget Styles
 * Sugestões de Leitura e Analytics Preditivo
 *
 * @package Informativo_Angolano
 */

/* ==========================================================================
   AI WIDGET CONTAINER
   ========================================================================== */

.ai-widget-container {
    margin: var(--space-8) 0;
    padding: var(--space-6);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

@media (min-width: 768px) {
    .ai-widget-container {
        padding: var(--space-8);
    }
}

/* ==========================================================================
   AI WIDGET TITLE
   ========================================================================== */

.ai-widget-title {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0 0 var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 2px solid var(--primary-color);
}

.ai-widget-title svg {
    flex-shrink: 0;
    color: var(--primary-color);
}

body.dark-mode .ai-widget-title {
    color: var(--bg-white);
}

/* ==========================================================================
   AI RECOMMENDATIONS WIDGET
   ========================================================================== */

.ai-recommendations-widget {
    margin-bottom: var(--space-8);
}

.ai-recommendations-widget:last-child {
    margin-bottom: 0;
}

.ai-recommendations-list {
    display: grid;
    gap: var(--space-4);
}

@media (min-width: 640px) {
    .ai-recommendations-list {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .ai-recommendations-list {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ==========================================================================
   AI RECOMMENDATION CARD
   ========================================================================== */

.ai-recommendation-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: all var(--transition-spring);
    cursor: pointer;
}

.ai-recommendation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-color);
}

.ai-recommendation-card:focus-within {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.ai-recommendation-thumbnail {
    position: relative;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--bg-light);
}

.ai-recommendation-thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.ai-recommendation-card:hover .ai-recommendation-thumbnail img {
    transform: scale(1.05);
}

.ai-recommendation-category {
    position: absolute;
    top: var(--space-3);
    left: var(--space-3);
    display: inline-block;
    padding: 6px 12px;
    background: var(--gradient-primary);
    color: var(--bg-white);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--radius-full);
}

.ai-recommendation-content {
    padding: var(--space-4);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.ai-recommendation-title {
    font-size: var(--text-base);
    font-weight: 700;
    color: var(--secondary-color);
    line-height: 1.4;
    margin: 0 0 var(--space-2);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-fast);
}

.ai-recommendation-card:hover .ai-recommendation-title {
    color: var(--primary-color);
}

.ai-recommendation-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-top: auto;
    padding-top: var(--space-3);
    font-size: var(--text-xs);
    color: var(--text-light);
}

.ai-recommendation-meta svg {
    width: 14px;
    height: 14px;
}

.ai-recommendation-reading-time {
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

body.dark-mode .ai-recommendation-card {
    background: var(--bg-light);
    border-color: var(--border-color);
}

body.dark-mode .ai-recommendation-title {
    color: var(--bg-white);
}

body.dark-mode .ai-recommendation-meta {
    color: var(--text-muted);
}

/* ==========================================================================
   AI LOADING STATE
   ========================================================================== */

.ai-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-8);
    text-align: center;
}

.ai-loading p {
    margin-top: var(--space-4);
    color: var(--text-light);
    font-size: var(--text-sm);
}

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

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

@media (prefers-reduced-motion: reduce) {
    .ai-loading-spinner {
        animation: none;
        border-top-color: var(--primary-color);
        border-right-color: var(--primary-color);
    }
}

/* ==========================================================================
   AI ANALYTICS WIDGET
   ========================================================================== */

.ai-analytics-widget {
    margin-top: var(--space-8);
    padding-top: var(--space-8);
    border-top: 1px solid var(--border-color);
}

.analytics-preview {
    display: grid;
    gap: var(--space-4);
}

@media (min-width: 768px) {
    .analytics-preview {
        grid-template-columns: repeat(2, 1fr);
    }
}

.analytics-card {
    background: var(--bg-white);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.analytics-card h4 {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--secondary-color);
    margin: 0 0 var(--space-3);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

body.dark-mode .analytics-card {
    background: var(--bg-light);
}

body.dark-mode .analytics-card h4 {
    color: var(--bg-white);
}

.category-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.category-list li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--border-color);
}

.category-list li:last-child {
    border-bottom: none;
}

.category-name {
    font-weight: 600;
    color: var(--text-color);
}

.category-count {
    font-size: var(--text-xs);
    color: var(--text-light);
}

body.dark-mode .category-name {
    color: var(--bg-white);
}

body.dark-mode .category-count {
    color: var(--text-muted);
}

.insights-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.insights-list li {
    padding: var(--space-3) 0;
}

.insight-category {
    display: inline-block;
    padding: 4px 8px;
    background: var(--primary-color);
    color: var(--bg-white);
    font-size: var(--text-xs);
    font-weight: 700;
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-2);
}

.insight-text {
    font-size: var(--text-sm);
    color: var(--text-color);
    margin: 0;
    line-height: 1.5;
}

body.dark-mode .insight-text {
    color: var(--text-light);
}

/* ==========================================================================
   FLOATING AI WIDGET
   ========================================================================== */

.ai-floating-widget {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    z-index: var(--z-modal);
}

@media (max-width: 767px) {
    .ai-floating-widget {
        bottom: var(--space-4);
        right: var(--space-4);
    }
}

.ai-floating-toggle {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--gradient-primary);
    color: var(--bg-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-spring);
}

.ai-floating-toggle:hover {
    transform: scale(1.1);
    box-shadow: 0 12px 40px rgba(230, 57, 70, 0.4);
}

.ai-floating-toggle svg {
    width: 24px;
    height: 24px;
}

.ai-floating-toggle[aria-expanded="true"] {
    transform: rotate(45deg);
}

.ai-floating-panel {
    position: absolute;
    bottom: 70px;
    right: 0;
    width: 320px;
    max-height: 400px;
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: all var(--transition-spring);
}

@media (max-width: 479px) {
    .ai-floating-panel {
        width: calc(100vw - 32px);
        right: -10px;
    }
}

.ai-floating-panel.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.ai-floating-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--gradient-primary);
    color: var(--bg-white);
}

.ai-floating-header h3 {
    font-size: var(--text-base);
    font-weight: 700;
    margin: 0;
}

.ai-floating-close {
    width: 32px;
    height: 32px;
    border-radius: var(--radius-full);
    background: rgba(255, 255, 255, 0.2);
    color: var(--bg-white);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background var(--transition-fast);
}

.ai-floating-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.ai-floating-close svg {
    width: 18px;
    height: 18px;
}

.ai-floating-content {
    max-height: 320px;
    overflow-y: auto;
    padding: var(--space-4);
}

body.dark-mode .ai-floating-panel {
    background: var(--bg-light);
}

body.dark-mode .ai-floating-toggle {
    box-shadow: 0 8px 30px rgba(230, 57, 70, 0.5);
}

/* ==========================================================================
   AI BADGE & INDICATORS
   ========================================================================== */

.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 4px 10px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-light));
    color: var(--bg-white);
    font-size: var(--text-xs);
    font-weight: 600;
    border-radius: var(--radius-full);
}

.ai-badge svg {
    width: 14px;
    height: 14px;
}

.ai-relevance-score {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    font-size: var(--text-xs);
    color: var(--success-color);
    font-weight: 600;
}

.ai-relevance-score::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--success-color);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

@media (prefers-reduced-motion: reduce) {
    .ai-relevance-score::before {
        animation: none;
    }
}

/* ==========================================================================
   SKELETON LOADING FOR AI WIDGET
   ========================================================================== */

.ai-skeleton-card {
    display: flex;
    flex-direction: column;
    background: var(--bg-white);
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.ai-skeleton-card .skeleton-image {
    aspect-ratio: 16 / 9;
}

.ai-skeleton-card .skeleton-content {
    padding: var(--space-4);
}

.ai-skeleton-card .skeleton-title {
    height: 20px;
    margin-bottom: var(--space-2);
}

.ai-skeleton-card .skeleton-text {
    height: 14px;
    margin-bottom: var(--space-1);
}

.ai-skeleton-card .skeleton-text:last-child {
    width: 60%;
}

/* ==========================================================================
   REDUCED MOTION
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
    .ai-recommendation-card {
        transition: none;
    }

    .ai-recommendation-card:hover {
        transform: none;
    }

    .ai-floating-toggle {
        transition: none;
    }

    .ai-floating-toggle:hover {
        transform: none;
    }

    .ai-floating-panel {
        transition: none;
        opacity: 1;
        visibility: visible;
        transform: none;
    }

    .ai-widget-container * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
    .ai-widget-container,
    .ai-floating-widget {
        display: none !important;
    }
}

/* ==========================================================================
   FIM DOS ESTILOS AI WIDGET
   ========================================================================== */