/* ============================================
   LECHITAX - Estilos Modernos y Minimalistas
   ============================================ */

/* Variables CSS */
:root {
    --primary-color: #D4A574;
    --primary-hover: #C8945F;
    --bg-dark: #1a1512;
    --bg-card: #2a2320;
    --bg-hover: #3a332e;
    --text-primary: #f5f0e8;
    --text-secondary: #c4b5a0;
    --border-color: #443a32;
    --success: #8fd19e;
    --error: #e07856;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

/* ============================================
   HEADER
   ============================================ */
.header {
    background-color: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    cursor: pointer;
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    max-height: 40px;
    width: auto;
    max-width: 200px;
    object-fit: contain;
    transition: var(--transition);
}

.logo-img:hover {
    transform: scale(1.05);
    filter: brightness(1.1);
}

@media (max-width: 768px) {
    .logo-img {
        height: 32px;
        max-height: 32px;
    }
}

.nav {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 8px;
}

.nav-link:hover {
    color: var(--primary-color);
    background-color: var(--bg-hover);
}

.nav-link.active {
    color: var(--primary-color);
}

/* ============================================
   MAIN CONTENT
   ============================================ */
.main {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
}

/* Search Section - Mejorada */
.search-section {
    margin: 2rem 0;
}

.search-container {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.search-input-wrapper {
    flex: 1;
    min-width: 280px;
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition);
}

.search-input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(88, 86, 214, 0.1);
    transform: translateY(-1px);
}

.search-icon {
    padding: 0 1rem;
    font-size: 1.2rem;
    opacity: 0.6;
}

.search-input {
    flex: 1;
    padding: 1rem 1rem 1rem 0;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 1rem;
    outline: none;
}

.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.search-clear {
    padding: 0.5rem 1rem;
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.2rem;
    transition: color 0.3s ease;
}

.search-clear:hover {
    color: var(--error);
}

.search-clear.hidden {
    display: none;
}

.search-btn {
    padding: 1rem 2rem;
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border: none;
    border-radius: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}

.search-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.search-btn:active {
    transform: translateY(0);
}

/* Search Suggestions */
.search-suggestions {
    position: relative;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    margin-top: 0.5rem;
    max-height: 300px;
    overflow-y: auto;
    z-index: 100;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.search-suggestions.hidden {
    display: none;
}

.suggestion-item {
    padding: 1rem;
    cursor: pointer;
    transition: background 0.2s ease;
    border-bottom: 1px solid var(--border-color);
}

.suggestion-item:last-child {
    border-bottom: none;
}

.suggestion-item:hover {
    background-color: var(--bg-hover);
}

.suggestion-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.suggestion-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Quick Filters */
.quick-filters {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 1rem;
}

.filter-btn,
.category-filter-btn {
    padding: 0.6rem 1.2rem;
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    white-space: nowrap;
}

.filter-btn:hover,
.category-filter-btn:hover {
    border-color: var(--primary-color);
    transform: translateY(-1px);
}

.filter-btn.active,
.category-filter-btn.active {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
}

.category-filters {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}

/* Results Info */
.results-info {
    margin: 1.5rem 0 1rem;
    padding: 1rem;
    background-color: var(--bg-card);
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.results-info.hidden {
    display: none;
}

/* ============================================
   VIDEOS GRID
   ============================================ */
.videos-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.video-card {
    background-color: var(--bg-card);
    border-radius: 16px;
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

.video-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 243, 255, 0.15);
    border-color: var(--primary-color);
}

.video-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
    background-color: var(--bg-hover);
}

.video-card-body {
    padding: 1rem;
}

.video-card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
}

.video-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

.video-card-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-hover);
    border-radius: 20px;
    font-size: 0.75rem;
    color: var(--primary-color);
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal.hidden {
    display: none;
}

.modal-content {
    width: 100%;
    max-width: 1200px;
    background-color: var(--bg-card);
    border-radius: 16px;
    position: relative;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background-color: rgba(0, 0, 0, 0.5);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--error);
}

.modal-body {
    padding: 1rem;
}

.video-info {
    padding: 1.5rem;
}

.video-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.video-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.video-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

/* ============================================
   ADMIN PANEL
   ============================================ */
.admin-panel {
    max-width: 800px;
    margin: 0 auto;
}

.panel-title {
    font-size: 1.75rem;
    margin-bottom: 2rem;
    text-align: center;
}

.upload-form {
    background-color: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-primary);
}

.form-input {
    width: 100%;
    padding: 0.875rem 1.25rem;
    background-color: var(--bg-dark);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: var(--transition);
}

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

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.btn {
    width: 100%;
    padding: 1rem 2rem;
    border: none;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background-color: var(--primary-color);
    color: var(--bg-dark);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-loader {
    width: 20px;
    height: 20px;
    border: 3px solid var(--bg-dark);
    border-top: 3px solid transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Status Message */
.status-message {
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 2rem;
    text-align: center;
    font-weight: 500;
}

.status-message.success {
    background-color: rgba(0, 255, 136, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-message.error {
    background-color: rgba(255, 68, 68, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

/* Recent Videos */
.recent-videos {
    margin-top: 3rem;
}

.section-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.recent-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.recent-item {
    background-color: var(--bg-card);
    padding: 1rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.recent-item-info {
    flex: 1;
}

.recent-item-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.recent-item-meta {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

/* Password Change Section */
.password-section {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.password-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    max-width: 600px;
}

.password-form .form-group {
    margin-bottom: 0;
}

.password-form .btn {
    margin-top: 0.5rem;
    align-self: flex-start;
}

#passwordStatusMessage {
    margin-top: 1rem;
    max-width: 600px;
}

/* ============================================
   LOADING & EMPTY STATES
   ============================================ */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 4rem 0;
}

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

.empty-state {
    text-align: center;
    padding: 4rem 0;
}

.empty-state p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

.empty-subtitle {
    font-size: 1rem !important;
    margin-top: 0.5rem;
}

.hidden {
    display: none !important;
}

/* ============================================
   PAGINATION - Mejorada
   ============================================ */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.5rem;
    margin: 3rem 0 2rem;
    padding: 1.5rem 0;
    flex-wrap: wrap;
}

.pagination.hidden {
    display: none;
}

.pagination-btn {
    padding: 0.8rem 1.2rem;
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.95rem;
}

.pagination-btn:hover:not(:disabled) {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(88, 86, 214, 0.3);
}

.pagination-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none;
}

.pagination-first,
.pagination-last {
    font-weight: 700;
}

.pagination-numbers {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    flex-wrap: wrap;
    justify-content: center;
}

.pagination-number {
    min-width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-card);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    font-size: 0.95rem;
}

.pagination-number:hover:not(.active) {
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

.pagination-number.active {
    background-color: var(--primary-color);
    color: var(--bg-dark);
    border-color: var(--primary-color);
    cursor: default;
    box-shadow: 0 4px 12px rgba(88, 86, 214, 0.3);
}

.pagination-ellipsis {
    padding: 0 0.5rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.pagination-info {
    padding: 0.8rem 1.2rem;
    background-color: var(--bg-card);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-weight: 600;
    font-size: 0.95rem;
}

/* ============================================
   TOAST NOTIFICATIONS
   ============================================ */
.toast {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: var(--bg-card);
    color: var(--text-primary);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--primary-color);
    box-shadow: 0 4px 12px rgba(0, 243, 255, 0.3);
    z-index: 2000;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

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

/* Tablet */
@media (max-width: 768px) {
    .videos-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
        gap: 1rem;
    }
    
    .search-section {
        flex-direction: column;
    }
    
    .logo {
        font-size: 1.25rem;
    }
    
    .nav {
        gap: 1rem;
    }
    
    .upload-form {
        padding: 1.5rem;
    }
    
    .toast {
        bottom: 1rem;
        right: 1rem;
        left: 1rem;
    }
}

/* Mobile */
@media (max-width: 480px) {
    .videos-grid {
        grid-template-columns: 1fr;
    }
    
    .header-content {
        flex-direction: column;
        gap: 1rem;
    }
    
    .video-title {
        font-size: 1.25rem;
    }
    
    .panel-title {
        font-size: 1.5rem;
    }
    
    .modal-content {
        max-width: 100%;
        border-radius: 0;
    }
}

/* ============================================
   LOGIN PAGE
   ============================================ */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: calc(100vh - 100px);
    padding: 2rem 0;
}

.login-card {
    max-width: 450px;
    width: 100%;
    background-color: var(--bg-card);
    border-radius: 16px;
    padding: 2.5rem;
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.login-title {
    font-size: 2rem;
    margin-bottom: 0.5rem;
    text-align: center;
    color: var(--primary-color);
}

.login-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.login-form {
    margin-bottom: 1.5rem;
}

.login-info {
    background-color: var(--bg-dark);
    border-radius: 12px;
    padding: 1rem;
    margin-top: 1.5rem;
}

.info-text {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.8;
    margin-bottom: 0.75rem;
}

.info-warning {
    font-size: 0.75rem;
    color: var(--primary-color);
    text-align: center;
    font-weight: 500;
}

@media (max-width: 480px) {
    .login-card {
        padding: 2rem 1.5rem;
    }
    
    .login-title {
        font-size: 1.5rem;
    }
}