/* Diseño Moderno - Estilo Instagram */

:root {
    --primary-color: #0095f6;
    --primary-hover: #1877f2;
    --text-primary: #262626;
    --text-secondary: #8e8e8e;
    --border-color: #dbdbdb;
    --bg-white: #ffffff;
    --bg-light: #fafafa;
    --bg-light-gradient: linear-gradient(180deg, #fafafa 0%, #ffffff 100%);
    --bg-dark: #000000;
    --success-color: #0095f6;
    --danger-color: #ed4956;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-strong: 0 12px 32px rgba(0, 0, 0, 0.15);
    --glass-bg: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.18);
}

/* Modo oscuro */
body.dark-mode {
    --text-primary: #f5f5f5;
    --text-secondary: #a8a8a8;
    --border-color: #404040;
    --bg-white: #1a1a1a;
    --bg-light: #121212;
    --bg-light-gradient: linear-gradient(180deg, #121212 0%, #1a1a1a 100%);
    --glass-bg: rgba(26, 26, 26, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 24px rgba(0, 0, 0, 0.4);
    --shadow-strong: 0 12px 32px rgba(0, 0, 0, 0.5);
}

body.dark-mode {
    background: var(--bg-light-gradient);
    color: var(--text-primary);
    transition: background 0.3s, color 0.3s;
}

* {
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg-light-gradient);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
}

main {
    flex: 1;
    padding: 0;
    max-width: 100%;
}

/* Navbar estilo Instagram */
.navbar {
    background: var(--glass-bg) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    transition: all 0.3s;
}

.navbar .container {
    max-width: 975px;
    display: flex;
    align-items: center;
}

.navbar-nav {
    display: flex;
    align-items: center;
    flex-wrap: nowrap;
}

.navbar-nav.me-auto {
    flex: 1;
}

.nav-item {
    display: flex;
    align-items: center;
}

.navbar-brand {
    font-weight: 600;
    font-size: 1.5rem;
    color: var(--text-primary) !important;
    text-decoration: none;
    letter-spacing: -0.5px;
}

.navbar-brand:hover {
    color: var(--text-primary) !important;
}

.nav-link {
    color: var(--text-primary) !important;
    font-weight: 400;
    padding: 0.5rem 1rem !important;
    font-size: 0.9rem;
    transition: opacity 0.2s;
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.nav-link:hover {
    opacity: 0.7;
    color: var(--text-primary) !important;
}

.nav-link i {
    font-size: 1rem;
    flex-shrink: 0;
    line-height: 1;
}

.nav-link.btn-link {
    padding: 0.5rem 1rem !important;
    display: flex !important;
    align-items: center;
    justify-content: center;
}

.dropdown-menu {
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    border-radius: 8px;
    padding: 0.5rem 0;
    margin-top: 0.5rem;
    min-width: 200px;
    background: var(--bg-white);
}

.dropdown-item {
    padding: 0.75rem 1.25rem;
    font-size: 0.9rem;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
}

.dropdown-item i {
    font-size: 1rem;
    flex-shrink: 0;
    width: 1.25rem;
    text-align: center;
}

.dropdown-item:hover {
    background: var(--bg-light);
}

.dropdown-toggle {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
    white-space: nowrap;
    max-width: 250px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dropdown-toggle::after {
    margin-left: 0.25rem;
    align-self: center;
    flex-shrink: 0;
}

.dropdown-toggle i {
    flex-shrink: 0;
}

.navbar-nav {
    gap: 0.25rem;
}

.dropdown-toggle {
    display: flex !important;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-toggle::after {
    margin-left: 0.5rem;
}

/* Container principal */
.container {
    max-width: 975px;
    padding: 0 20px;
}

/* Títulos */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

/* Grid de ilusiones estilo Instagram */
.illusions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(293px, 1fr));
    gap: 28px;
    padding: 30px 0;
    transition: all 0.3s ease;
}

/* Vista cuadrícula densa */
.illusions-grid.view-mode-dense {
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

.illusions-grid.view-mode-dense .illusion-card {
    border-radius: 8px;
}

.illusions-grid.view-mode-dense .illusion-card-header {
    padding: 8px 12px;
    font-size: 0.85rem;
}

.illusions-grid.view-mode-dense .illusion-card-body {
    padding: 8px 12px;
}

.illusions-grid.view-mode-dense .illusion-description {
    display: none;
}

.illusions-grid.view-mode-dense .illusion-actions {
    margin-top: 8px;
    padding-top: 8px;
}

/* Vista lista compacta */
.illusions-grid.view-mode-list {
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 0;
}

.illusions-grid.view-mode-list .illusion-card {
    display: flex;
    flex-direction: row;
    max-width: 100%;
    border-radius: 12px;
    overflow: hidden;
    align-items: stretch;
    min-height: 180px;
}

.illusions-grid.view-mode-list .illusion-card-header {
    display: none;
}

.illusions-grid.view-mode-list .illusion-media-container {
    width: 250px;
    min-width: 250px;
    max-width: 250px;
    aspect-ratio: 1;
    flex-shrink: 0;
    border-right: 1px solid var(--border-color);
}

.illusions-grid.view-mode-list .illusion-card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 20px 24px;
    min-width: 0;
}

.illusions-grid.view-mode-list .illusion-card-title-list {
    display: block !important;
    margin: 0 0 12px 0;
    padding: 0;
}

.illusions-grid.view-mode-list .illusion-card-title-list h5 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    line-height: 1.3;
}

.illusions-grid.view-mode-list .illusion-stats {
    margin: 0 0 12px 0;
    padding: 0;
}

.illusions-grid.view-mode-list .illusion-stats .votes {
    font-size: 1rem;
}

.illusions-grid.view-mode-list .illusion-stats .votes i {
    font-size: 1.2rem;
}

.illusions-grid.view-mode-list .illusion-description {
    -webkit-line-clamp: 3;
    line-clamp: 3;
    margin: 0 0 12px 0;
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary);
    flex: 1;
}

.illusions-grid.view-mode-list .illusion-date {
    margin: 0 0 16px 0;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.illusions-grid.view-mode-list .illusion-actions {
    margin: 0;
    padding: 0;
    border: none;
    display: flex;
    gap: 10px;
    align-items: center;
}

@media (max-width: 768px) {
    .illusions-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 20px 0;
    }
    
    .illusions-grid.view-mode-list .illusion-card {
        flex-direction: column;
        min-height: auto;
    }
    
    .illusions-grid.view-mode-list .illusion-media-container {
        width: 100%;
        min-width: 100%;
        max-width: 100%;
        aspect-ratio: 1;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
    
    .illusions-grid.view-mode-list .illusion-card-body {
        padding: 16px;
    }
    
    .illusions-grid.view-mode-list .illusion-card-title-list h5 {
        font-size: 1.1rem;
    }
}

/* Cards estilo Instagram */
.illusions-grid .illusion-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    opacity: 0;
    transform: translateY(20px);
    animation: cardFadeIn 0.5s ease-out forwards;
}

.illusions-grid .illusion-card:nth-child(1) { animation-delay: 0.05s; }
.illusions-grid .illusion-card:nth-child(2) { animation-delay: 0.1s; }
.illusions-grid .illusion-card:nth-child(3) { animation-delay: 0.15s; }
.illusions-grid .illusion-card:nth-child(4) { animation-delay: 0.2s; }
.illusions-grid .illusion-card:nth-child(5) { animation-delay: 0.25s; }
.illusions-grid .illusion-card:nth-child(6) { animation-delay: 0.3s; }
.illusions-grid .illusion-card:nth-child(n+7) { animation-delay: 0.35s; }

@keyframes cardFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.illusion-card:hover {
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

.illusion-card:active {
    transform: translateY(-2px);
}

.illusion-card-header {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.illusion-card-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
    margin: 0;
    flex: 1;
}

.illusion-media-container {
    position: relative;
    width: 100%;
    background: var(--bg-dark);
    aspect-ratio: 1;
    overflow: hidden;
}

.illusion-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.illusion-card:hover .illusion-media {
    transform: scale(1.05);
}

/* Vista previa en hover */
.illusion-card {
    position: relative;
}

.illusion-preview-tooltip {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(10px);
    z-index: 1000;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    padding: 16px;
    min-width: 300px;
    max-width: 400px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s, transform 0.3s;
    margin-top: 8px;
}

.illusion-card:hover .illusion-preview-tooltip {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
    pointer-events: auto;
}

.illusion-preview-tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-bottom-color: var(--bg-white);
}

.illusion-preview-tooltip-title {
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.illusion-preview-tooltip-description {
    font-size: 0.875rem;
    color: var(--text-primary);
    line-height: 1.5;
    margin: 0 0 12px 0;
    max-height: 100px;
    overflow-y: auto;
}

.illusion-preview-tooltip-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
    font-size: 0.875rem;
}

.illusion-preview-tooltip-votes {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
}

.illusion-preview-tooltip-votes i {
    color: var(--danger-color);
}

.illusion-preview-tooltip-date {
    color: var(--text-secondary);
}

.illusion-media {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.illusion-card-body {
    padding: 12px 16px;
}

.illusion-stats {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.illusion-stats .votes {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-primary);
    font-weight: 600;
}

.illusion-stats .votes i {
    color: var(--danger-color);
    font-size: 1.1rem;
}

.illusion-description {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.4;
    margin: 8px 0;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.illusion-date {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    margin-top: 8px;
}

.illusion-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--bg-light);
}

/* Botones modernos */
.btn {
    border-radius: 8px;
    font-weight: 600;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

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

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

.btn-danger {
    background: transparent;
    color: var(--danger-color);
    border: 1px solid var(--border-color);
}

.btn-danger:hover {
    background: var(--bg-light);
    color: var(--danger-color);
}

.btn-success {
    background: transparent;
    color: var(--success-color);
    border: 1px solid var(--border-color);
}

.btn-outline-primary {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--border-color);
}

.btn-outline-primary:hover {
    background: var(--bg-light);
    color: var(--primary-color);
}

.btn-outline-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.btn-outline-secondary:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8rem;
}

.btn-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-group .btn.active {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Header de página */
.page-header {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--glass-border);
    padding: 20px 0;
    margin-bottom: 0;
    transition: all 0.3s;
}

.page-header h1 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 600;
}

.page-header-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.page-header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.view-mode-controls {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.view-mode-controls .btn {
    border-radius: 0;
    margin: 0;
    border: none;
}

.view-mode-controls .btn:not(:last-child) {
    border-right: 1px solid var(--border-color);
}

.order-controls .form-select {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
}

/* Paginación */
.pagination-container {
    margin: 40px 0;
    padding: 20px 0;
}

.pagination {
    margin: 0;
}

.page-link {
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 0.75rem;
    transition: all 0.2s;
}

.page-link:hover {
    background: var(--bg-light);
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.page-item.active .page-link {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.page-item.disabled .page-link {
    color: var(--text-secondary);
    pointer-events: none;
    background: var(--bg-light);
}

.pagination-info {
    margin-top: 12px;
}

/* Navegación rápida */
.quick-navigation {
    margin-bottom: 0;
}

.quick-nav-btn {
    transition: all 0.2s;
    position: relative;
    overflow: hidden;
}

.quick-nav-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.quick-nav-btn:hover::before {
    left: 100%;
}

.quick-nav-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* Efectos glassmorphism mejorados */

.illusion-card {
    background: var(--bg-white);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

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

.vote-btn:hover {
    animation: pulse 1s ease-in-out infinite;
}

/* Mejoras en botones */
.btn {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:active::after {
    width: 300px;
    height: 300px;
}

/* Formularios */
.form-control, .form-select {
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 0.75rem 1rem;
    font-size: 0.9rem;
    transition: all 0.2s;
    background: var(--bg-white);
    line-height: 1.5;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 149, 246, 0.1);
    outline: none;
}

.form-control:hover {
    border-color: var(--text-secondary);
}

.form-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-bottom: 0.625rem;
    display: block;
}

.form-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.375rem;
    display: block;
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

/* Zona de drag & drop */
.file-drop-zone {
    border: 2px dashed var(--border-color);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    background: var(--bg-light);
    transition: all 0.3s;
    cursor: pointer;
    position: relative;
}

.file-drop-zone:hover {
    border-color: var(--primary-color);
    background: rgba(0, 149, 246, 0.05);
}

.file-drop-zone.drag-over {
    border-color: var(--primary-color);
    background: rgba(0, 149, 246, 0.1);
    transform: scale(1.02);
}

.file-drop-content {
    pointer-events: none;
}

.file-drop-text {
    margin: 1rem 0;
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
}

.file-drop-link {
    color: var(--primary-color);
    text-decoration: underline;
    cursor: pointer;
    pointer-events: auto;
}

.file-drop-info {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
    line-height: 1.5;
}

.file-drop-preview {
    width: 100%;
}

.file-preview-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 1rem;
}

.file-preview-content img,
.file-preview-content video {
    max-width: 100%;
    max-height: 300px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    object-fit: contain;
    background: var(--bg-light);
}

.file-preview-info {
    text-align: center;
    width: 100%;
}

.file-preview-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin: 0 0 0.25rem 0;
    word-break: break-word;
}

.file-preview-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin: 0 0 0.75rem 0;
}

#file-remove-btn {
    margin-top: 0.5rem;
}

/* Pestañas de previsualización */
.preview-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.preview-tab {
    background: none;
    border: none;
    padding: 0.75rem 1.5rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.preview-tab:hover {
    color: var(--text-primary);
}

.preview-tab.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 500;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Contenedor de previsualización */
.preview-container {
    background: var(--bg-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.preview-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    background: var(--bg-light);
    text-align: center;
    padding: 2rem;
}

/* Cards de formulario */
.card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
}

.card-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 2rem;
}

.card-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
    color: var(--text-primary);
}

.card-body {
    padding: 2rem;
}

/* Contenedor de formularios */
.form-container {
    max-width: 600px;
    margin: 60px auto;
    padding: 0 20px;
}

.form-container .card {
    margin-bottom: 2rem;
}

.form-container .card-body {
    padding: 2rem 2.5rem;
}

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

.form-group:last-child {
    margin-bottom: 0;
}

/* Alertas */
.alert {
    border-radius: 8px;
    border: none;
    padding: 1rem 1.25rem;
    font-size: 0.9rem;
}

.alert-success {
    background: #d4edda;
    color: #155724;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
}

.alert-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* Modal */
.modal-content {
    border-radius: 12px;
    border: none;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.15);
}

.modal-header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    padding: 1.25rem 1.5rem;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--border-color);
    padding: 1rem 1.5rem;
}

/* Footer */
footer {
    margin-top: auto;
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    padding: 2rem 0;
    text-align: center;
}

footer p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.75rem;
}

/* Vista de detalle */
.detail-container {
    max-width: 935px;
    margin: 0 auto;
    padding: 30px 20px;
}

/* Ajuste para detail-container dentro de tab-content (vista previa) */
.tab-content .detail-container {
    padding: 30px 0;
}

.detail-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.detail-media-container {
    position: relative;
    width: 100%;
    background: var(--bg-dark);
    min-height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.detail-media {
    width: 100%;
    max-height: 600px;
    object-fit: contain;
    display: block;
}

.detail-sidebar {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
    border-left: 1px solid var(--border-color);
}

.detail-sidebar-section {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-color);
}

.detail-sidebar-section:last-child {
    border-bottom: none;
}

.detail-title {
    font-size: 1.1rem;
    font-weight: 600;
    margin: 0 0 6px 0;
    color: var(--text-primary);
    line-height: 1.3;
}

.detail-meta {
    color: var(--text-secondary);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin: 0;
}

/* Instrucciones debajo de la media */
.detail-instructions {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    background: var(--bg-white);
}

/* Estadísticas de votos */
.vote-stats-box {
    text-align: center;
    padding: 10px 0;
}

.vote-count-large {
    font-size: 2rem;
    font-weight: 600;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin-bottom: 4px;
}

.vote-count-large i {
    color: var(--danger-color);
    font-size: 1.6rem;
}

.vote-count-label {
    color: var(--text-secondary);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Instrucciones */
.instructions-box {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 16px;
}

.instructions-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.instructions-title i {
    color: var(--primary-color);
}

.instructions-content {
    color: var(--text-primary);
    font-size: 0.95rem;
    line-height: 1.6;
    text-align: left;
    word-wrap: break-word;
}

/* Sección de votación */
.vote-section {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 12px;
}

.vote-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 12px 0;
}

.vote-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 10px;
    border-radius: 6px;
    font-size: 0.85rem;
}

.vote-status.voted {
    background: #d4edda;
    color: #155724;
}

.vote-status.owner {
    background: #fff3cd;
    color: #856404;
}

.vote-status i {
    font-size: 1rem;
}

.btn-vote {
    background: var(--danger-color);
    color: white;
    border: none;
    width: 100%;
    padding: 10px;
    font-weight: 600;
    font-size: 0.875rem;
}

.btn-vote:hover {
    background: #c82333;
    color: white;
}

.vote-guest-form {
    margin-top: 8px;
}

.vote-guest-text {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 12px;
    line-height: 1.5;
}

/* Acciones del propietario */
.owner-actions {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 12px;
}

.owner-actions-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 10px 0;
}

.owner-actions .btn {
    font-size: 0.875rem;
    padding: 8px 12px;
}

/* Compartir en redes sociales */
.share-section {
    background: var(--bg-light);
    padding: 12px;
    border-radius: 8px;
}

.share-section-title {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 10px 0;
}

.share-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.btn-share {
    flex: 1;
    min-width: calc(50% - 4px);
    padding: 10px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    text-decoration: none;
    color: white;
    height: 40px;
    box-sizing: border-box;
    vertical-align: middle;
}

.btn-share span {
    white-space: nowrap;
    line-height: 1;
}

.btn-share:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    color: white;
}

.btn-share-facebook {
    background: #1877f2;
    border-color: #1877f2;
}

.btn-share-facebook:hover {
    background: #1565c0;
    border-color: #1565c0;
}

.btn-share-twitter {
    background: #000000;
    border-color: #000000;
}

.btn-share-twitter:hover {
    background: #333333;
    border-color: #333333;
}

.btn-share-whatsapp {
    background: #25d366;
    border-color: #25d366;
}

.btn-share-whatsapp:hover {
    background: #128c7e;
    border-color: #128c7e;
}

.btn-share-copy {
    background: var(--text-secondary);
    border-color: var(--text-secondary);
}

.btn-share-copy:hover {
    background: var(--text-primary);
    border-color: var(--text-primary);
}

.btn-share i {
    font-size: 1rem;
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.btn-share svg {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
    display: inline-block;
    vertical-align: middle;
}

@media (max-width: 768px) {
    .share-buttons {
        flex-direction: column;
    }
    
    .btn-share {
        min-width: 100%;
        width: 100%;
    }
}

/* Zoom de imagen */
.image-zoom {
    transition: transform 0.2s;
}

.image-zoom:hover {
    opacity: 0.9;
}

#imageZoomModal .modal-body {
    cursor: zoom-out;
}

/* Lazy loading */
.lazy-load {
    opacity: 0;
    transition: opacity 0.4s ease-in;
    background: var(--bg-light);
}

.lazy-load.loaded {
    opacity: 1;
}

.illusion-media-container {
    position: relative;
    background: var(--bg-light);
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.illusion-media-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    opacity: 0;
    transition: opacity 0.3s;
    z-index: 1;
    pointer-events: none;
}

.illusion-media-container:has(.lazy-load:not(.loaded))::after {
    opacity: 1;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Mejoras en responsive para detalle */
@media (max-width: 768px) {
    .detail-card .row {
        flex-direction: column;
    }
    
    .detail-media-container {
        min-height: 300px;
    }
    
    .detail-sidebar {
        border-left: none;
        border-top: 1px solid var(--border-color);
    }
    
    .detail-sidebar-section {
        padding: 16px;
    }
    
    .vote-stats-box {
        padding: 12px 0;
    }
    
    .vote-count-large {
        font-size: 2rem;
    }
    
    .form-container {
        margin: 40px auto;
        padding: 0 16px;
    }
    
    .form-container .card-body {
        padding: 1.5rem;
    }
    
    .form-container .card-header {
        padding: 1.25rem 1.5rem;
    }
    
    .form-group {
        margin-bottom: 1.25rem;
    }
}

/* Utilidades */
.text-muted {
    color: var(--text-secondary) !important;
}

.w-100 {
    width: 100%;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .illusions-grid {
        grid-template-columns: 1fr;
        gap: 16px;
    }
    
    .page-header {
        padding: 16px 0;
    }
    
    .detail-container {
        padding: 16px;
    }
    
    .detail-sidebar {
        position: static;
        margin-top: 20px;
    }
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-light);
}

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Botón flotante para volver arriba */
.scroll-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    transition: all 0.3s ease;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    pointer-events: none;
}

.scroll-to-top-btn.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.scroll-to-top-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-3px);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.scroll-to-top-btn:active {
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .scroll-to-top-btn {
        bottom: 20px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1rem;
    }
}

/* Spinner */
.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 0.15em;
}

/* ==========================================
   Panel de Administración
   ========================================== */

.admin-panel {
    max-width: 975px;
    margin: 0 auto;
    padding: 1.5rem 1rem;
}

.admin-header {
    text-align: center;
    margin-bottom: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-white);
    border-radius: 12px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.admin-header h1 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.admin-welcome {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
}

.admin-tabs {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    background: var(--bg-white);
    padding: 0.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.admin-tab {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
}

.admin-tab:hover {
    background: var(--bg-light);
    color: var(--text-primary);
}

.admin-tab.active {
    background: var(--primary-color);
    color: white;
}

.admin-content {
    background: var(--bg-white);
    border-radius: 12px;
    padding: 1.25rem;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.admin-section {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.admin-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.admin-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.admin-section h3 i {
    color: var(--primary-color);
    font-size: 1rem;
}

/* Estadísticas Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.stat-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: all 0.2s;
}

.stat-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
}

.stat-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.stat-info {
    flex: 1;
    min-width: 0;
}

.stat-value {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Acciones rápidas */
.quick-actions {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.quick-action-btn {
    padding: 0.5rem 1rem;
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s;
    cursor: pointer;
}

.quick-action-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* Configuración Info */
.config-info {
    background: var(--bg-light);
    border-radius: 8px;
    padding: 0.75rem;
}

.config-row {
    display: flex;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.config-row:last-child {
    border-bottom: none;
}

.config-label {
    font-weight: 500;
    color: var(--text-secondary);
    min-width: 140px;
}

.config-value {
    color: var(--text-primary);
    font-family: 'Courier New', monospace;
    font-size: 0.85rem;
}

/* Formularios Admin */
.admin-form,
.test-form {
    max-width: 400px;
}

.admin-form .form-group,
.test-form .form-group {
    margin-bottom: 1rem;
}

.admin-form label,
.test-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.9rem;
}

/* Diagnostic Tests */
.diagnostic-tests {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.test-result {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.9rem;
}

.test-result.success {
    background: rgba(40, 167, 69, 0.1);
    color: #28a745;
}

.test-result.error {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
}

/* Admin Table */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9rem;
}

.admin-table th,
.admin-table td {
    padding: 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.admin-table th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.admin-table td {
    color: var(--text-primary);
}

.admin-table tr:hover {
    background: var(--bg-light);
}

.admin-table a {
    color: var(--primary-color);
    text-decoration: none;
}

.admin-table a:hover {
    text-decoration: underline;
}



/* Tools */
.tool-card {
    display: contents;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.info-card {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    border: 1px solid var(--border-color);
}

.info-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.info-content {
    flex: 1;
}

.info-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: 0.25rem;
}

.info-value {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.export-form,
.generate-form {
    max-width: 600px;
}

.generate-form {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
}

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

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

.generate-form input[type="number"] {
    width: 100%;
    max-width: 200px;
}

.export-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin: 1rem 0;
}

.export-option {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem;
    background: var(--bg-light);
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
}

.export-option:hover {
    background: rgba(0, 149, 246, 0.1);
}

.export-option input[type="radio"] {
    cursor: pointer;
}


/* Responsive Admin */
@media (max-width: 768px) {
    .admin-panel {
        padding: 1rem;
    }
    
    .admin-header {
        padding: 1rem;
    }
    
    .admin-header h1 {
        font-size: 1.25rem;
    }
    
    .admin-tabs {
        flex-direction: column;
    }
    
    .admin-tab {
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .config-row {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .config-label {
        min-width: auto;
    }
    
    .admin-actions {
        flex-direction: column;
    }
    
    .admin-action-btn {
        width: 100%;
        justify-content: center;
    }
}