/* ===== RESET Y BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #0f2027 0%, #203a43 50%, #2c5364 100%);
    color: #e0e0e0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ===== HEADER ===== */
.header {
    background: rgba(15, 32, 39, 0.95);
    padding: 1rem 1.5rem;
    text-align: center;
    border-bottom: 2px solid #00b4d8;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    margin-bottom: 6px;
    flex-wrap: wrap;
}

.logo-icon {
    font-size: 2rem;
    color: #00b4d8;
    filter: drop-shadow(0 0 8px rgba(0, 180, 216, 0.5));
}

.logo {
    font-size: 2.2rem;
    font-weight: 800;
    letter-spacing: 1px;
    background: linear-gradient(90deg, #00b4d8, #90e0ef, #00b4d8);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: gradientShift 3s ease infinite;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% center; }
    50% { background-position: 100% center; }
}

.logo-highlight {
    -webkit-text-fill-color: #90e0ef;
}

.tagline {
    font-size: 1rem;
    opacity: 0.85;
    font-style: italic;
    margin-top: 4px;
    padding: 0 10px;
}

/* ===== CONTENEDOR PRINCIPAL ===== */
.main-container {
    display: flex;
    flex: 1;
    padding: 15px;
    gap: 15px;
    max-width: 2000px;
    margin: 0 auto;
    width: 100%;
    min-height: calc(100vh - 180px);
}

/* ===== PANELES LATERALES ===== */
.panel {
    background: rgba(25, 50, 60, 0.9);
    border-radius: 12px;
    width: 320px;
    min-width: 320px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 180, 216, 0.4);
    backdrop-filter: blur(10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
    flex-shrink: 0;
}

.panel.collapsed {
    width: 60px;
    min-width: 60px;
}

.panel.collapsed .panel-content,
.panel.collapsed .panel-title {
    display: none;
    opacity: 0;
}

.panel.collapsed .panel-header {
    justify-content: center;
    padding: 12px 0;
}

.panel-header {
    background: linear-gradient(90deg, rgba(0, 180, 216, 0.15), rgba(144, 224, 239, 0.05));
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(0, 180, 216, 0.3);
    border-radius: 12px 12px 0 0;
    position: sticky;
    top: 0;
    z-index: 10;
    min-height: 60px;
}

.panel-icon {
    font-size: 1.3rem;
    color: #00b4d8;
    min-width: 20px;
}

.panel-title {
    font-size: 1.2rem;
    font-weight: 700;
    flex-grow: 1;
    color: #e0f7fa;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.panel-controls {
    display: flex;
    gap: 6px;
    flex-shrink: 0;
}

.refresh-btn, .collapse-btn {
    background: rgba(0, 180, 216, 0.25);
    border: 1px solid rgba(0, 180, 216, 0.5);
    color: #90e0ef;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    backdrop-filter: blur(5px);
    flex-shrink: 0;
}

.refresh-btn:hover, .collapse-btn:hover {
    background: rgba(0, 180, 216, 0.4);
    transform: scale(1.1) rotate(15deg);
    box-shadow: 0 0 15px rgba(0, 180, 216, 0.5);
}

.refresh-btn:active, .collapse-btn:active {
    transform: scale(0.95);
}

.panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    scrollbar-width: thin;
    scrollbar-color: #00b4d8 rgba(255, 255, 255, 0.1);
    min-height: 0;
}

.panel-content::-webkit-scrollbar {
    width: 6px;
}

.panel-content::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 10px;
}

.panel-content::-webkit-scrollbar-thumb {
    background: #00b4d8;
    border-radius: 10px;
}

/* ===== REPRODUCTOR ===== */
.player-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
}

.player-container {
    background: rgba(25, 50, 60, 0.9);
    border-radius: 12px;
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(0, 180, 216, 0.4);
    backdrop-filter: blur(10px);
    flex: 1;
    min-height: 0;
}

.player-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    flex-wrap: wrap;
    gap: 10px;
}

.player-title {
    font-size: 1.4rem;
    color: #90e0ef;
    font-weight: 700;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    white-space: nowrap;
}

.player-info {
    background: linear-gradient(90deg, rgba(0, 180, 216, 0.2), rgba(144, 224, 239, 0.1));
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    border: 1px solid rgba(0, 180, 216, 0.3);
    max-width: 70%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 200px;
}

.video-container {
    flex: 1;
    background: linear-gradient(135deg, #000000 0%, #0a1929 100%);
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    margin-bottom: 20px;
    min-height: 300px;
    border: 2px solid rgba(0, 180, 216, 0.2);
    box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.5);
    min-width: 0;
}

#stream-player {
    width: 100%;
    height: 100%;
    display: none;
    object-fit: contain;
    background: #000;
}

.player-placeholder {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #0a1929 0%, #1a3a5f 100%);
    color: #90e0ef;
    padding: 20px;
    text-align: center;
}

.player-placeholder i {
    font-size: 4rem;
    margin-bottom: 20px;
    opacity: 0.8;
    color: #00b4d8;
    filter: drop-shadow(0 0 10px rgba(0, 180, 216, 0.5));
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.8; }
    50% { transform: scale(1.05); opacity: 1; }
}

.player-placeholder p {
    font-size: 1.1rem;
    max-width: 300px;
    line-height: 1.5;
}

.player-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
    justify-content: space-between;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.control-buttons {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    flex: 1;
    justify-content: center;
}

.control-btn {
    background: linear-gradient(135deg, #0077b6, #0096c7);
    color: white;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0, 119, 182, 0.3);
    min-width: 110px;
    justify-content: center;
    flex: 1;
    max-width: 150px;
}

.control-btn:hover:not(:disabled) {
    background: linear-gradient(135deg, #0096c7, #00b4d8);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 180, 216, 0.4);
}

.control-btn:active:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(0, 180, 216, 0.3);
}

.control-btn:disabled {
    background: #4a5568;
    color: #a0aec0;
    cursor: not-allowed;
    box-shadow: none;
    transform: none !important;
}

.volume-controls {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.08);
    padding: 8px 15px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    justify-content: center;
}

.volume-display {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    min-width: 90px;
}

#volume-level {
    font-weight: 700;
    color: #00b4d8;
    min-width: 35px;
}

/* ===== LISTA DE CANALES/TARJETAS ===== */
.category-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: linear-gradient(90deg, rgba(0, 180, 216, 0.1), rgba(144, 224, 239, 0.05));
    border-radius: 8px 8px 0 0;
    margin-bottom: 10px;
    border-bottom: 1px solid rgba(0, 180, 216, 0.2);
}

.category-header h4 {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    color: #e0f7fa;
}

.stream-count {
    background: #00b4d8;
    color: white;
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.streams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 12px;
    padding: 10px;
    max-height: calc(70vh - 100px);
    overflow-y: auto;
}

.stream-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 10px;
    padding: 14px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
    border-left: 4px solid #00b4d8;
    display: flex;
    flex-direction: column;
    cursor: pointer;
    border: 1px solid rgba(0, 180, 216, 0.3);
}

.stream-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 180, 216, 0.3);
    border-left-color: #90e0ef;
    background: #ffffff;
}

.stream-card.selected {
    background: #f0f9ff;
    border-left-color: #2ecc71;
    box-shadow: 0 0 0 2px rgba(46, 204, 113, 0.3), 0 8px 20px rgba(46, 204, 113, 0.2);
}

.radio-card {
    border-left-color: #2ecc71;
}

.tv-card {
    border-left-color: #e74c3c;
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    flex-shrink: 0;
}

.stream-logo {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    background: linear-gradient(135deg, #00b4d8, #0077b6);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    overflow: hidden;
    border: 2px solid rgba(255, 255, 255, 0.8);
}

.stream-logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

.stream-logo i {
    font-size: 1.2rem;
    color: white;
}

.stream-info {
    flex: 1;
    min-width: 0;
    overflow: hidden;
}

.stream-title {
    margin: 0 0 4px 0;
    font-size: 0.95rem;
    color: #2c3e50;
    font-weight: 700;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    line-height: 1.2;
}

.stream-genre {
    display: inline-block;
    background: #ecf0f1;
    color: #7f8c8d;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 600;
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
    min-height: 0;
}

.stream-description {
    margin: 0;
    font-size: 0.8rem;
    color: #555;
    line-height: 1.4;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    flex: 1;
}

.stream-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    align-items: center;
}

.stream-quality, .stream-country, .stream-group {
    padding: 3px 8px;
    border-radius: 8px;
    font-size: 0.7rem;
    font-weight: 600;
    white-space: nowrap;
}

.stream-quality {
    background: #2ecc71;
    color: white;
}

.stream-country {
    background: #3498db;
    color: white;
    display: flex;
    align-items: center;
    gap: 3px;
}

.stream-group {
    background: #9b59b6;
    color: white;
}

.play-btn {
    width: 100%;
    padding: 8px 12px;
    background: linear-gradient(135deg, #00b4d8, #0077b6);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.3s;
    margin-top: 8px;
    flex-shrink: 0;
}

.play-btn:hover {
    background: linear-gradient(135deg, #0096c7, #005f8a);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 180, 216, 0.3);
}

/* ===== ESTADOS Y MENSAJES ===== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: #90e0ef;
    text-align: center;
    min-height: 200px;
}

.loading i {
    font-size: 2rem;
    margin-bottom: 15px;
    color: #00b4d8;
    animation: spin 1.5s linear infinite;
}

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

.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: #90e0ef;
    font-style: italic;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.empty-state i {
    font-size: 2.5rem;
    margin-bottom: 15px;
    opacity: 0.7;
    color: #00b4d8;
}

.error-message {
    text-align: center;
    padding: 30px 15px;
    color: #ff6b6b;
    background: rgba(255, 107, 107, 0.1);
    border-radius: 8px;
    margin: 10px;
    border: 1px solid rgba(255, 107, 107, 0.3);
}

.error-message i {
    font-size: 2.5rem;
    margin-bottom: 10px;
}

/* ===== NOTIFICACIONES ===== */
.error-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    color: white;
    padding: 12px 18px;
    border-radius: 8px;
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
    transition: opacity 0.3s;
    max-width: 350px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

@keyframes slideIn {
    from { transform: translateX(100px); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

.now-playing-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 100%;
}

.now-playing-info strong {
    font-size: 0.95rem;
    color: #e0f7fa;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.stream-details {
    display: flex;
    gap: 8px;
    font-size: 0.8rem;
    color: #90e0ef;
    flex-wrap: wrap;
}

/* ===== FOOTER ===== */
.footer {
    background: rgba(15, 32, 39, 0.95);
    padding: 1rem 1.5rem;
    text-align: center;
    border-top: 1px solid rgba(0, 180, 216, 0.4);
    margin-top: auto;
    backdrop-filter: blur(10px);
    flex-shrink: 0;
}

.footer p:first-child {
    margin-bottom: 8px;
    font-size: 0.9rem;
    opacity: 0.9;
}

.footer-links {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
}

.footer-links a {
    color: #90e0ef;
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 20px;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.85rem;
    white-space: nowrap;
}

.footer-links a:hover {
    color: #00b4d8;
    background: rgba(0, 180, 216, 0.2);
    border-color: rgba(0, 180, 216, 0.4);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 180, 216, 0.3);
}

.footer-links a i {
    font-size: 1rem;
}

/* ===== RESPONSIVE DESIGN ===== */

/* Tablets grandes y laptops pequeñas */
@media (max-width: 1200px) {
    .main-container {
        gap: 15px;
        padding: 12px;
    }
    
    .panel {
        width: 280px;
        min-width: 280px;
    }
    
    .panel.collapsed {
        width: 50px;
        min-width: 50px;
    }
    
    .video-container {
        min-height: 280px;
    }
    
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }
    
    .player-info {
        min-width: 180px;
    }
}

/* Tablets */
@media (max-width: 992px) {
    .main-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .panel {
        width: 100%;
        max-height: 400px;
        min-width: 0;
    }
    
    .panel.collapsed {
        width: 100%;
        max-height: 60px;
        min-height: 60px;
    }
    
    .player-section {
        order: -1;
    }
    
    .video-container {
        min-height: 350px;
    }
    
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
        max-height: 300px;
    }
    
    .player-header {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
    }
    
    .player-info {
        max-width: 100%;
        min-width: 0;
    }
}

/* Tablets pequeñas y móviles grandes */
@media (max-width: 768px) {
    .header {
        padding: 0.8rem 1rem;
    }
    
    .logo {
        font-size: 1.8rem;
    }
    
    .logo-icon {
        font-size: 1.6rem;
    }
    
    .tagline {
        font-size: 0.9rem;
    }
    
    .main-container {
        padding: 10px;
        gap: 12px;
    }
    
    .panel-header {
        padding: 12px;
        min-height: 50px;
    }
    
    .panel-title, .player-title {
        font-size: 1.1rem;
    }
    
    .panel-icon {
        font-size: 1.1rem;
    }
    
    .refresh-btn, .collapse-btn {
        width: 28px;
        height: 28px;
        font-size: 0.9rem;
    }
    
    .player-container {
        padding: 15px;
    }
    
    .video-container {
        min-height: 280px;
    }
    
    .player-placeholder i {
        font-size: 3rem;
        margin-bottom: 15px;
    }
    
    .player-placeholder p {
        font-size: 1rem;
    }
    
    .player-controls {
        flex-direction: column;
        gap: 12px;
        align-items: stretch;
    }
    
    .control-buttons {
        justify-content: center;
        order: 2;
    }
    
    .volume-controls {
        order: 1;
        justify-content: center;
        width: 100%;
    }
    
    .control-btn {
        min-width: 90px;
        padding: 8px 12px;
        font-size: 0.85rem;
    }
    
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 10px;
        padding: 8px;
    }
    
    .stream-card {
        padding: 12px;
    }
    
    .stream-logo {
        width: 35px;
        height: 35px;
    }
    
    .stream-title {
        font-size: 0.9rem;
    }
    
    .play-btn {
        padding: 7px 10px;
        font-size: 0.8rem;
    }
}

/* Móviles */
@media (max-width: 576px) {
    .header {
        padding: 0.7rem 0.8rem;
    }
    
    .logo-container {
        gap: 8px;
    }
    
    .logo {
        font-size: 1.5rem;
    }
    
    .logo-icon {
        font-size: 1.3rem;
    }
    
    .tagline {
        font-size: 0.85rem;
        padding: 0 5px;
    }
    
    .main-container {
        padding: 8px;
        gap: 10px;
    }
    
    .panel-header {
        padding: 10px;
    }
    
    .panel-title {
        font-size: 1rem;
    }
    
    .player-container {
        padding: 12px;
    }
    
    .video-container {
        min-height: 220px;
        margin-bottom: 15px;
    }
    
    .player-placeholder i {
        font-size: 2.5rem;
        margin-bottom: 12px;
    }
    
    .player-placeholder p {
        font-size: 0.9rem;
        max-width: 250px;
    }
    
    .control-buttons {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: 5px;
        justify-content: flex-start;
    }
    
    .control-btn {
        min-width: 80px;
        padding: 6px 10px;
        font-size: 0.8rem;
        flex-shrink: 0;
    }
    
    .streams-grid {
        grid-template-columns: 1fr;
        max-height: 250px;
    }
    
    .stream-card {
        padding: 10px;
    }
    
    .card-header {
        gap: 8px;
    }
    
    .stream-logo {
        width: 32px;
        height: 32px;
    }
    
    .stream-title {
        font-size: 0.85rem;
    }
    
    .stream-description {
        font-size: 0.75rem;
        -webkit-line-clamp: 1;
    }
    
    .stream-meta {
        gap: 4px;
    }
    
    .stream-quality, .stream-country, .stream-group {
        font-size: 0.65rem;
        padding: 2px 6px;
    }
    
    .footer {
        padding: 0.8rem 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }
    
    .footer-links a {
        width: 180px;
        justify-content: center;
        padding: 5px 10px;
    }
}

/* Móviles muy pequeños */
@media (max-width: 380px) {
    .logo {
        font-size: 1.3rem;
    }
    
    .logo-icon {
        font-size: 1.1rem;
    }
    
    .panel-header {
        padding: 8px;
    }
    
    .panel-title, .player-title {
        font-size: 0.95rem;
    }
    
    .player-info {
        font-size: 0.85rem;
        padding: 6px 12px;
    }
    
    .video-container {
        min-height: 180px;
    }
    
    .control-btn {
        min-width: 70px;
        padding: 5px 8px;
        font-size: 0.75rem;
    }
    
    .volume-controls {
        padding: 6px 10px;
    }
    
    .volume-display {
        font-size: 0.8rem;
        min-width: 80px;
    }
    
    .stream-card {
        padding: 8px;
    }
}

/* Orientación landscape en móviles */
@media (max-height: 600px) and (orientation: landscape) {
    .main-container {
        min-height: calc(100vh - 150px);
    }
    
    .video-container {
        min-height: 200px;
    }
    
    .panel {
        max-height: 300px;
    }
    
    .streams-grid {
        max-height: 200px;
    }
    
    .footer {
        padding: 0.5rem 1rem;
    }
}

/* Pantallas muy grandes */
@media (min-width: 1600px) {
    .main-container {
        max-width: 95%;
    }
    
    .panel {
        width: 350px;
        min-width: 350px;
    }
    
    .streams-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
    
    .video-container {
        min-height: 450px;
    }
}