/**
 * Estilos para el plugin de Flashcards
 */

/* ========================================
   VARIABLES
   ======================================== */
:root {
    --flashcard-primary: #0073aa;
    --flashcard-primary-hover: #005177;
    --flashcard-success: #46b450;
    --flashcard-danger: #dc3232;
    --flashcard-danger-hover: #a00;
    --flashcard-border: #ddd;
    --flashcard-bg-light: #f8f9fa;
    --flashcard-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --flashcard-shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --flashcard-radius: 8px;
    --flashcard-transition: all 0.3s ease;
    --flashcard-text-primary: #2c3e50;
}

/* ========================================
   FORMULARIO DE CREACIÓN - VERSIÓN COMPACTA CON ESPECIFICIDAD
   ======================================== */

body .flashcard-form-container,
.flashcard-form-container {
    max-width: 75% !important; /* Ocupa el 90% del ancho disponible */
    width: 100% !important;
    margin: 20px auto !important;
    padding: 25px 30px !important;
    background: #fff !important;
    border-radius: var(--flashcard-radius);
    box-shadow: var(--flashcard-shadow);
    box-sizing: border-box;
    border: none !important;
}

body .flashcard-form-container h3,
.flashcard-form-container h3 {
    margin: 0 0 20px 0 !important;
    color: #ff0000 !important; /* TÍTULO ROJO TEMPORAL */
    font-size: 24px !important;
    font-weight: 700;
    border-bottom: 3px solid var(--flashcard-primary);
    padding-bottom: 12px !important;
    text-align: center;
    line-height: 1.3 !important;
}

.flashcard-form {
    margin-top: 0 !important;
}

body .flashcard-form-group,
.flashcard-form-group {
    margin-bottom: 15px !important;
}

body .flashcard-form-group label,
.flashcard-form-group label {
    display: block;
    margin-bottom: 6px !important;
    font-weight: 600;
    color: #2c3e50;
    font-size: 14px !important;
    letter-spacing: 0.3px;
    line-height: 1.4 !important;
}

.flashcard-form-group .required {
    color: var(--flashcard-danger);
    margin-left: 3px;
}

body .flashcard-form-group input[type="text"],
body .flashcard-form-group select,
body .flashcard-form-group textarea,
.flashcard-form-group input[type="text"],
.flashcard-form-group select,
.flashcard-form-group textarea {
    width: 100% !important;
    padding: 10px 12px !important;
    border: 2px solid var(--flashcard-border) !important;
    border-radius: 6px !important;
    font-size: 14px !important;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, sans-serif !important;
    transition: var(--flashcard-transition);
    background: #fff !important;
    box-sizing: border-box !important;
    line-height: 1.5 !important;
    max-width: 100% !important;
}

body .flashcard-form-group input[type="text"]:focus,
body .flashcard-form-group select:focus,
body .flashcard-form-group textarea:focus,
.flashcard-form-group input[type="text"]:focus,
.flashcard-form-group select:focus,
.flashcard-form-group textarea:focus {
    outline: none !important;
    border-color: var(--flashcard-primary) !important;
    box-shadow: 0 0 0 3px rgba(0, 115, 170, 0.1) !important;
    transform: translateY(-1px);
}

body .flashcard-form-group textarea,
.flashcard-form-group textarea {
    resize: vertical !important;
    min-height: 70px !important;
    max-height: 150px !important;
    height: 70px !important;
    line-height: 1.5 !important;
    overflow-y: auto !important;
}

body .flashcard-submit-btn,
.flashcard-submit-btn {
    background: linear-gradient(135deg, var(--flashcard-primary) 0%, #005a8d 100%) !important;
    color: #fff !important;
    padding: 12px 30px !important;
    border: none !important;
    border-radius: 6px !important;
    font-size: 15px !important;
    font-weight: 700 !important;
    cursor: pointer;
    transition: var(--flashcard-transition);
    width: 100% !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: 0 4px 15px rgba(0, 115, 170, 0.3) !important;
    margin-top: 5px !important;
    line-height: 1.4 !important;
    height: auto !important;
}

body .flashcard-submit-btn:hover,
.flashcard-submit-btn:hover {
    background: linear-gradient(135deg, var(--flashcard-primary-hover) 0%, #004466 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 115, 170, 0.4) !important;
    color: #fff !important;
}

/* Mensaje de respuesta */
body #flashcard-message,
#flashcard-message {
    margin-top: 15px !important;
}

/* ========================================
   RESPONSIVE PARA FORMULARIO
   ======================================== */

@media (max-width: 768px) {
    body .flashcard-form-container,
    .flashcard-form-container {
        padding: 20px 15px !important;
        margin: 15px 10px !important;
        max-width: 100% !important;
    }
    
    body .flashcard-form-container h3,
    .flashcard-form-container h3 {
        font-size: 20px !important;
        margin-bottom: 15px !important;
        padding-bottom: 10px !important;
    }
    
    body .flashcard-form-group,
    .flashcard-form-group {
        margin-bottom: 12px !important;
    }
    
    body .flashcard-form-group textarea,
    .flashcard-form-group textarea {
        min-height: 60px !important;
        height: 60px !important;
    }
    
    body .flashcard-submit-btn,
    .flashcard-submit-btn {
        padding: 10px 20px !important;
        font-size: 14px !important;
    }
}

@media (max-width: 480px) {
    body .flashcard-form-container,
    .flashcard-form-container {
        padding: 15px 12px !important;
        margin: 10px 5px !important;
    }
    
    body .flashcard-form-container h3,
    .flashcard-form-container h3 {
        font-size: 18px !important;
    }
}

/* ========================================
   HISTORIAL - CONTENEDOR PRINCIPAL
   ======================================== */

.flashcard-history-container {
    max-width: 90% !important; /* Ocupa el 90% del ancho disponible */
    margin: 30px auto;
    padding: 30px;
    background: #fff;
    border-radius: var(--flashcard-radius);
    box-shadow: var(--flashcard-shadow);
}

.flashcard-history-container h3 {
    margin: 0 0 25px 0;
    color: var(--flashcard-text-primary);
    font-size: 24px;
    font-weight: 700;
    border-bottom: 3px solid var(--flashcard-primary);
    padding-bottom: 15px;
}

/* ========================================
   ESTADÍSTICAS
   ======================================== */

.flashcard-stats {
    margin-bottom: 20px;
    padding: 12px 15px;
    background: var(--flashcard-bg-light);
    border-radius: 6px;
    border-left: 4px solid var(--flashcard-primary);
}

.flashcard-count {
    font-size: 14px;
    color: var(--flashcard-text-primary);
    margin: 0;
}

.flashcard-count strong {
    color: var(--flashcard-primary);
    font-size: 16px;
    font-weight: 700;
}

/* ========================================
   FILTRO
   ======================================== */

.flashcard-filter {
    margin-bottom: 20px;
    padding: 15px;
    background: var(--flashcard-bg-light);
    border-radius: 8px;
    border: 1px solid #e9ecef;
}

.flashcard-filter-form {
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.flashcard-filter-form label {
    margin: 0;
    padding: 0;
    font-weight: 600;
    color: var(--flashcard-text-primary);
    font-size: 14px;
}

.flashcard-filter-form select {
    padding: 8px 35px 8px 12px;
    border: 2px solid var(--flashcard-border);
    border-radius: 6px;
    font-size: 14px;
    min-width: 200px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23333' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    background-color: #fff;
}

/* ========================================
   TABLA - SOLO PARA HISTORIAL
   ======================================== */

.flashcard-history-container .flashcard-table-wrapper {
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin: 0;
    padding: 0;
}

.flashcard-history-container .flashcard-table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--flashcard-radius);
    overflow: hidden;
}

.flashcard-history-container .flashcard-table thead {
    background: linear-gradient(135deg, var(--flashcard-primary) 0%, #005a8d 100%);
}

.flashcard-history-container .flashcard-table thead th {
    padding: 15px;
    text-align: left;
    color: #fff;
    font-weight: 700;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.flashcard-history-container .flashcard-table tbody tr {
    border-bottom: 1px solid #e9ecef;
    transition: var(--flashcard-transition);
}

.flashcard-history-container .flashcard-table tbody tr:hover {
    background: #f8f9fa;
}

.flashcard-history-container .flashcard-table tbody td {
    padding: 15px;
    vertical-align: middle;
}

/* Columnas específicas */
.flashcard-history-container .flashcard-table .col-title {
    font-weight: 700;
    color: #1a1a1a;
    font-size: 15px;
    width: 35%;
    max-width: 400px;
}

.flashcard-history-container .flashcard-table .col-subject {
    width: 20%;
    min-width: 120px;
}

.flashcard-history-container .flashcard-table .col-date {
    color: var(--flashcard-text-primary);
    font-weight: 600;
    font-size: 14px;
    white-space: nowrap;
    width: 15%;
}

.flashcard-history-container .flashcard-table .col-actions {
    text-align: right;
    white-space: nowrap;
    width: 180px;
    min-width: 180px;
    padding-right: 20px;
}
/* Forzar botones en línea */
.flashcard-history-container .col-actions > * {
    display: inline-block !important;
    vertical-align: middle !important;
}

.flashcard-history-container .col-actions .flashcard-view-btn {
    margin-right: 8px !important;
    margin-bottom: 0 !important;
}

.flashcard-history-container .col-actions .flashcard-delete-btn-small {
    margin-left: 0 !important;
    margin-bottom: 0 !important;
}


/* ========================================
   BADGES
   ======================================== */

.flashcard-badge,
.flashcard-subject-tag {
    display: inline-block;
    padding: 5px 12px;
    border-radius: 16px;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: linear-gradient(135deg, var(--flashcard-primary) 0%, #005a8d 100%);
    color: #fff;
}

.flashcard-author-badge,
.flashcard-admin-badge {
    display: inline-block;
    background: var(--flashcard-success);
    color: #fff;
    padding: 3px 8px;
    border-radius: 10px;
    font-size: 10px;
    font-weight: 700;
    margin-left: 6px;
    text-transform: uppercase;
}

/* ========================================
   BOTONES DE ACCIÓN - CRÍTICO
   ======================================== */

.flashcard-history-container .flashcard-view-btn,
.flashcard-history-container .flashcard-delete-btn-small {
    display: inline-block;
    vertical-align: middle;
    padding: 8px 12px;
    border: none;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--flashcard-transition);
    text-transform: uppercase;
    line-height: 1;
    white-space: nowrap;
    text-decoration: none;
}

.flashcard-history-container .flashcard-view-btn {
    background: var(--flashcard-primary);
    color: #fff;
    margin-right: 8px;
    min-width: 70px;
}

.flashcard-history-container .flashcard-view-btn:hover {
    background: var(--flashcard-primary-hover);
    transform: translateY(-2px);
    color: #fff;
}

.flashcard-history-container .flashcard-delete-btn-small {
    background: var(--flashcard-danger);
    color: #fff;
    min-width: 44px;
    padding: 8px 10px;
}

.flashcard-history-container .flashcard-delete-btn-small:hover {
    background: var(--flashcard-danger-hover);
    transform: translateY(-2px);
    color: #fff;
}

.flashcard-history-container .flashcard-view-btn .dashicons,
.flashcard-history-container .flashcard-delete-btn-small .dashicons {
    font-size: 14px;
    width: 16px;
    height: 16px;
    vertical-align: middle;
}

/* ========================================
   PAGINACIÓN
   ======================================== */

.flashcard-pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    margin-top: 25px;
    padding-top: 20px;
    border-top: 2px solid #e9ecef;
}

.flashcard-pagination a,
.flashcard-pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--flashcard-transition);
    background: var(--flashcard-bg-light);
    color: var(--flashcard-text-primary);
    border: 1px solid var(--flashcard-border);
}

.flashcard-pagination a:hover {
    background: var(--flashcard-primary);
    color: #fff;
    border-color: var(--flashcard-primary);
}

.flashcard-pagination .current {
    background: var(--flashcard-primary);
    color: #fff;
    border-color: var(--flashcard-primary);
}

/* ========================================
   MENSAJES Y NOTIFICACIONES
   ======================================== */

.flashcard-message {
    margin-top: 20px;
    padding: 15px 20px;
    border-radius: 6px;
    font-size: 15px;
    font-weight: 500;
}

.flashcard-message.success {
    background: #d4edda;
    color: #155724;
    border-left: 4px solid var(--flashcard-success);
}

.flashcard-message.error {
    background: #f8d7da;
    color: #721c24;
    border-left: 4px solid var(--flashcard-danger);
}

/* ========================================
   MODAL MEJORADO - MÁS IMPACTO VISUAL
   ======================================== */

.flashcard-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 999999;
    animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.flashcard-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    -webkit-backdrop-filter: blur(5px);
}

.flashcard-modal-content {
    position: relative;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    max-width: 700px;
    width: 90%;
    margin: 50px auto;
    border-radius: 20px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.25),
        0 0 0 1px rgba(255, 255, 255, 0.1);
    max-height: calc(100vh - 100px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    animation: slideInUp 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    border: 2px solid rgba(0, 115, 170, 0.1);
}

@keyframes slideInUp {
    from {
        transform: translateY(30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.flashcard-modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(0, 0, 0, 0.1);
    font-size: 20px;
    color: #666;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 10;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.flashcard-modal-close:hover {
    background: var(--flashcard-danger);
    color: white;
    transform: rotate(90deg) scale(1.1);
    box-shadow: 0 5px 15px rgba(220, 50, 50, 0.3);
}

.flashcard-modal-header {
    padding: 30px 30px 20px;
    background: linear-gradient(135deg, var(--flashcard-primary) 0%, #005a8d 100%);
    color: white;
    position: relative;
    overflow: hidden;
}

.flashcard-modal-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Ccircle cx='30' cy='30' r='4'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E") repeat;
    opacity: 0.3;
}

.flashcard-modal-header h4 {
    margin: 0;
    font-size: 24px;
    font-weight: 800;
    padding-right: 50px;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.flashcard-modal-body {
    padding: 40px 30px;
    overflow-y: auto;
    flex: 1;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
}

/* ========================================
   FLASHCARDS CON EFECTO 3D Y ANIMACIONES
   ======================================== */

.flashcard-modal-front,
.flashcard-modal-back {
    border: none;
    padding: 25px;
    border-radius: 15px;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    transform: translateY(0);
    box-shadow: 
        0 10px 25px rgba(0, 0, 0, 0.1),
        0 5px 10px rgba(0, 0, 0, 0.05);
}

.flashcard-modal-front {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-left: 5px solid #ffffff;
}

.flashcard-modal-front::before {
    content: '💡';
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 24px;
    opacity: 0.7;
}

.flashcard-modal-back {
    background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    color: white;
    border-left: 5px solid #ffffff;
}

.flashcard-modal-back::before {
    content: '✨';
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 24px;
    opacity: 0.7;
}

.flashcard-modal-front:hover,
.flashcard-modal-back:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0, 0, 0, 0.15),
        0 10px 20px rgba(0, 0, 0, 0.1);
}

.flashcard-modal-front strong,
.flashcard-modal-back strong {
    display: block;
    margin-bottom: 15px;
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    opacity: 0.9;
    font-weight: 700;
    position: relative;
    z-index: 2;
}

.flashcard-modal-front p,
.flashcard-modal-back p {
    margin: 0;
    font-size: 17px;
    line-height: 1.7;
    white-space: pre-wrap;
    font-weight: 500;
    position: relative;
    z-index: 2;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

/* ========================================
   EFECTOS ADICIONALES
   ======================================== */

/* Efecto de partículas en el fondo del modal */
.flashcard-modal-content::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='100' height='100' viewBox='0 0 100 100' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='%230073aa' fill-opacity='0.03'%3E%3Cpolygon points='50 0 60 40 100 50 60 60 50 100 40 60 0 50 40 40'/%3E%3C/g%3E%3C/svg%3E") repeat;
    pointer-events: none;
    z-index: 1;
}

/* Animación de entrada para las flashcards */
.flashcard-modal-front,
.flashcard-modal-back {
    animation: cardSlideIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
    opacity: 0;
    transform: translateX(-30px);
}

.flashcard-modal-back {
    animation-delay: 0.2s;
}

@keyframes cardSlideIn {
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* Efecto de brillo en hover */
.flashcard-modal-front::after,
.flashcard-modal-back::after {
    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;
}

.flashcard-modal-front:hover::after,
.flashcard-modal-back:hover::after {
    left: 100%;
}

/* ========================================
   RESPONSIVE MEJORADO
   ======================================== */

@media (max-width: 768px) {
    .flashcard-modal-content {
        margin: 20px auto;
        max-height: calc(100vh - 40px);
        border-radius: 15px;
    }
    
    .flashcard-modal-header {
        padding: 25px 20px 15px;
    }
    
    .flashcard-modal-header h4 {
        font-size: 20px;
        padding-right: 45px;
    }
    
    .flashcard-modal-body {
        padding: 25px 20px;
    }
    
    .flashcard-modal-front,
    .flashcard-modal-back {
        padding: 20px;
        margin-bottom: 20px;
    }
    
    .flashcard-modal-close {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
    }
}

/* ========================================
   MODO OSCURO (OPCIONAL)
   ======================================== */

@media (prefers-color-scheme: dark) {
    .flashcard-modal-content {
        background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
        border-color: rgba(255, 255, 255, 0.1);
    }
    
    .flashcard-modal-body {
        background: linear-gradient(180deg, #2d3748 0%, #1a202c 100%);
    }
    
    .flashcard-modal-close {
        background: rgba(45, 55, 72, 0.9);
        color: #e2e8f0;
        border-color: rgba(255, 255, 255, 0.1);
    }
}

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

@media (max-width: 768px) {
    .flashcard-form-container,
    .flashcard-history-container {
        padding: 20px;
        margin: 15px;
    }
    
    .flashcard-filter-form {
        flex-direction: column;
        align-items: stretch;
    }
    
    .flashcard-filter-form select {
        width: 100%;
        min-width: auto;
    }
    
    /* Tabla en modo tarjetas */
    .flashcard-history-container .flashcard-table thead {
        display: none;
    }
    
    .flashcard-history-container .flashcard-table,
    .flashcard-history-container .flashcard-table tbody,
    .flashcard-history-container .flashcard-table tr,
    .flashcard-history-container .flashcard-table td {
        display: block;
        width: 100%;
    }
    
    .flashcard-history-container .flashcard-table tbody tr {
        margin-bottom: 15px;
        border: 2px solid #e0e0e0;
        border-radius: 8px;
        padding: 15px;
        background: #fff;
    }
    
    .flashcard-history-container .flashcard-table tbody td {
        padding: 8px 0;
        border: none;
        text-align: left;
    }
    
    .flashcard-history-container .flashcard-table tbody td::before {
        content: attr(data-label);
        font-weight: 700;
        display: block;
        margin-bottom: 5px;
        color: var(--flashcard-primary);
        font-size: 11px;
        text-transform: uppercase;
    }
    
    .flashcard-history-container .flashcard-table .col-actions {
        text-align: left;
    }
    
    .flashcard-history-container .flashcard-view-btn {
        margin-bottom: 8px;
    }
}