/* Premium RSS News Aggregator - Frontend Styles */

/* News Grid Styles */
.prna-news-grid {
    display: grid;
    gap: 20px;
    margin: 20px 0;
}

.prna-grid-1-columns { grid-template-columns: 1fr; }
.prna-grid-2-columns { grid-template-columns: repeat(2, 1fr); }
.prna-grid-3-columns { grid-template-columns: repeat(3, 1fr); }
.prna-grid-4-columns { grid-template-columns: repeat(4, 1fr); }

.prna-grid-item {
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.prna-grid-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
}

.prna-grid-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.prna-grid-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.prna-grid-item:hover .prna-grid-image img {
    transform: scale(1.05);
}

.prna-viral-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: bold;
    box-shadow: 0 2px 5px rgba(0,0,0,0.2);
}

.prna-grid-content {
    padding: 20px;
}

.prna-grid-title {
    margin: 0 0 10px 0;
    font-size: 1.1em;
    line-height: 1.4;
}

.prna-grid-title a {
    color: #333;
    text-decoration: none;
}

.prna-grid-title a:hover {
    color: #007cba;
}

.prna-grid-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
    font-size: 0.85em;
    color: #666;
}

.prna-grid-date {
    font-weight: 500;
}

.prna-grid-source {
    font-style: italic;
}

.prna-grid-excerpt {
    color: #555;
    line-height: 1.5;
    margin-bottom: 10px;
}

.prna-grid-score {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid #eee;
}

.prna-score-label {
    font-size: 0.8em;
    color: #666;
    white-space: nowrap;
}

.prna-score-bar {
    flex: 1;
    height: 6px;
    background: #f0f0f0;
    border-radius: 3px;
    overflow: hidden;
}

.prna-score-fill {
    height: 100%;
    background: linear-gradient(90deg, #4CAF50, #8BC34A, #CDDC39, #FFEB3B, #FFC107, #FF9800, #FF5722);
    border-radius: 3px;
    transition: width 0.5s ease;
}

.prna-score-value {
    font-size: 0.8em;
    font-weight: bold;
    color: #333;
    min-width: 35px;
}

/* News Ticker Styles */
.prna-news-ticker {
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 10px 15px;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    overflow: hidden;
}

.prna-ticker-label {
    background: rgba(255,255,255,0.2);
    padding: 5px 12px;
    border-radius: 20px;
    margin-right: 15px;
    font-weight: bold;
    font-size: 0.9em;
    white-space: nowrap;
    backdrop-filter: blur(10px);
}

.prna-ticker-container {
    flex: 1;
    overflow: hidden;
    position: relative;
    height: 30px;
}

.prna-ticker-content {
    display: flex;
    align-items: center;
    position: absolute;
    top: 0;
    white-space: nowrap;
}

.prna-ticker-left .prna-ticker-content {
    animation: tickerLeft linear infinite;
}

.prna-ticker-right .prna-ticker-content {
    animation: tickerRight linear infinite;
}

.prna-ticker-up .prna-ticker-content {
    flex-direction: column;
    animation: tickerUp linear infinite;
}

.prna-ticker-down .prna-ticker-content {
    flex-direction: column;
    animation: tickerDown linear infinite;
}

.prna-ticker-item {
    display: flex;
    align-items: center;
    margin: 0 20px;
}

.prna-ticker-viral .prna-ticker-link {
    color: #ffd700 !important;
    font-weight: bold;
}

.prna-ticker-link {
    display: flex;
    align-items: center;
    color: white;
    text-decoration: none;
    padding: 5px 0;
    transition: color 0.3s ease;
}

.prna-ticker-link:hover {
    color: #ffd700;
}

.prna-ticker-badge {
    margin-right: 8px;
    font-size: 0.9em;
}

.prna-ticker-title {
    font-size: 0.95em;
    margin-right: 8px;
}

.prna-ticker-score {
    background: rgba(255,255,255,0.3);
    padding: 2px 6px;
    border-radius: 10px;
    font-size: 0.8em;
    font-weight: bold;
    margin-left: 5px;
}

.prna-ticker-separator {
    color: rgba(255,255,255,0.5);
    margin-left: 20px;
    font-weight: bold;
}

.prna-ticker-controls {
    margin-left: 15px;
}

.prna-ticker-pause,
.prna-ticker-play {
    background: rgba(255,255,255,0.2);
    border: none;
    color: white;
    padding: 5px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.8em;
    transition: background 0.3s ease;
}

.prna-ticker-pause:hover,
.prna-ticker-play:hover {
    background: rgba(255,255,255,0.3);
}

/* News Slider Styles */
.prna-news-slider {
    position: relative;
    margin: 30px 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    background: #fff;
}

.prna-slider-container {
    position: relative;
    height: 400px;
    overflow: hidden;
}

.prna-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: translateX(100%);
    transition: all 0.5s ease-in-out;
    display: flex;
}

.prna-slide.active {
    opacity: 1;
    transform: translateX(0);
}

.prna-slide.prev {
    transform: translateX(-100%);
}

.prna-slide-image {
    flex: 0 0 50%;
    position: relative;
    overflow: hidden;
}

.prna-slide-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.prna-slide:hover .prna-slide-image img {
    transform: scale(1.05);
}

.prna-slide-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #ff6b6b, #ee5a24);
    color: white;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
}

.prna-slide-content {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.prna-slide-title {
    margin: 0 0 15px 0;
    font-size: 1.8em;
    line-height: 1.3;
}

.prna-slide-title a {
    color: white;
    text-decoration: none;
}

.prna-slide-title a:hover {
    color: #ffd700;
}

.prna-slide-meta {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
    font-size: 0.9em;
    opacity: 0.9;
}

.prna-slide-excerpt {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 25px;
    opacity: 0.95;
}

.prna-slide-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.prna-slide-button {
    background: rgba(255,255,255,0.2);
    color: white;
    padding: 12px 25px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: bold;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255,255,255,0.3);
}

.prna-slide-button:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Navigation */
.prna-slider-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(255,255,255,0.9);
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5em;
    cursor: pointer;
    transition: all 0.3s ease;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prna-slider-prev {
    left: 20px;
}

.prna-slider-next {
    right: 20px;
}

.prna-slider-nav:hover {
    background: white;
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

/* Dots */
.prna-slider-dots {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.prna-slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background: rgba(255,255,255,0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.prna-slider-dot.active {
    background: white;
    transform: scale(1.2);
}

.prna-slider-dot:hover {
    background: rgba(255,255,255,0.8);
}

/* Controls */
.prna-slider-controls {
    position: absolute;
    bottom: 20px;
    right: 20px;
    z-index: 10;
}

.prna-slider-pause,
.prna-slider-play {
    background: rgba(255,255,255,0.9);
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1em;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.prna-slider-pause:hover,
.prna-slider-play:hover {
    background: white;
    transform: scale(1.1);
}

/* Animations */
@keyframes tickerLeft {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

@keyframes tickerRight {
    0% { transform: translateX(-50%); }
    100% { transform: translateX(0); }
}

@keyframes tickerUp {
    0% { transform: translateY(0); }
    100% { transform: translateY(-50%); }
}

@keyframes tickerDown {
    0% { transform: translateY(-50%); }
    100% { transform: translateY(0); }
}

/* Pause animation when hovering */
.prna-news-ticker:hover .prna-ticker-content {
    animation-play-state: paused;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .prna-grid-4-columns { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 768px) {
    .prna-grid-3-columns,
    .prna-grid-4-columns { grid-template-columns: repeat(2, 1fr); }
    
    .prna-grid-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 5px;
    }
    
    .prna-news-ticker {
        flex-direction: column;
        padding: 15px;
    }
    
    .prna-ticker-label {
        margin-right: 0;
        margin-bottom: 10px;
        width: 100%;
        text-align: center;
    }
    
    .prna-ticker-container {
        width: 100%;
        margin-bottom: 10px;
    }
    
    .prna-ticker-controls {
        margin-left: 0;
    }
    
    .prna-ticker-up .prna-ticker-content,
    .prna-ticker-down .prna-ticker-content {
        animation: none;
        position: static;
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 5px;
    }
    
    .prna-slider-container {
        height: 500px;
    }
    
    .prna-slide {
        flex-direction: column;
    }
    
    .prna-slide-image {
        flex: 0 0 40%;
    }
    
    .prna-slide-content {
        padding: 25px;
    }
    
    .prna-slide-title {
        font-size: 1.4em;
    }
    
    .prna-slide-meta {
        flex-direction: column;
        gap: 5px;
    }
    
    .prna-slider-nav {
        width: 40px;
        height: 40px;
        font-size: 1.2em;
    }
}

@media (max-width: 480px) {
    .prna-news-grid {
        grid-template-columns: 1fr !important;
    }
    
    .prna-grid-image {
        height: 150px;
    }
    
    .prna-slider-container {
        height: 450px;
    }
    
    .prna-slide-image {
        flex: 0 0 50%;
    }
    
    .prna-slide-content {
        padding: 20px;
    }
    
    .prna-slide-title {
        font-size: 1.2em;
    }
    
    .prna-slide-actions {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
    }
    
    .prna-slider-dots {
        bottom: 10px;
    }
}

/* Scrollbar for mobile ticker */
.prna-ticker-container::-webkit-scrollbar {
    height: 3px;
}

.prna-ticker-container::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.1);
    border-radius: 3px;
}

.prna-ticker-container::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.3);
    border-radius: 3px;
}

/* Loading states */
.prna-loading {
    opacity: 0.6;
    pointer-events: none;
    position: relative;
}

.prna-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid #f3f3f3;
    border-top: 2px solid #007cba;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Enhanced viral score colors */
.prna-viral-badge[data-score="100"],
.prna-ticker-score[data-score="100"] {
    background: linear-gradient(135deg, #ffd700, #ff6b00);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Print styles */
@media print {
    .prna-news-ticker,
    .prna-slider-controls,
    .prna-slider-nav,
    .prna-ticker-controls {
        display: none !important;
    }
    
    .prna-grid-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ddd;
    }
    
    .prna-slide {
        position: static;
        opacity: 1;
        transform: none;
        break-inside: avoid;
    }
}