/*
 * Estilos Frontend - Sesiones de Entrenamiento
 * Compatible con Divi y diseño moderno
 */

/* Variables CSS para consistencia */
:root {
    --ws-primary-color: #2b87da;
    --ws-secondary-color: #f1c40f;
    --ws-success-color: #27ae60;
    --ws-error-color: #e74c3c;
    --ws-warning-color: #f39c12;
    --ws-text-color: #333;
    --ws-text-light: #666;
    --ws-border-color: #ddd;
    --ws-background-light: #f8f9fa;
    --ws-shadow: 0 2px 10px rgba(0,0,0,0.1);
    --ws-shadow-hover: 0 4px 20px rgba(0,0,0,0.15);
    --ws-border-radius: 8px;
    --ws-transition: all 0.3s ease;
}

/* Container principal del formulario */
.workout-form-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 30px 20px;
    background: #fff;
    border-radius: var(--ws-border-radius);
    box-shadow: var(--ws-shadow);
    position: relative;
}

.workout-form-container[data-style="modern"] {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.workout-form-container[data-style="modern"] .workout-form {
    background: rgba(255,255,255,0.95);
    border-radius: var(--ws-border-radius);
    padding: 30px;
    color: var(--ws-text-color);
}

.workout-form-container[data-style="compact"] {
    padding: 20px;
    max-width: 600px;
}

/* Header del formulario */
.workout-form-header {
    text-align: center;
    margin-bottom: 40px;
}

.workout-form-title {
    font-size: 2.2em;
    font-weight: 700;
    margin: 0 0 10px 0;
    color: var(--ws-text-color);
    line-height: 1.2;
}

.workout-form-container[data-style="modern"] .workout-form-title {
    color: white;
}

.workout-form-subtitle {
    font-size: 1.1em;
    color: var(--ws-text-light);
    margin: 0;
    font-weight: 300;
}

.workout-form-container[data-style="modern"] .workout-form-subtitle {
    color: rgba(255,255,255,0.9);
}

/* Secciones del formulario */
.workout-form-sections {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.workout-form-section {
    background: var(--ws-background-light);
    border-radius: var(--ws-border-radius);
    padding: 25px;
    border: 1px solid var(--ws-border-color);
    transition: var(--ws-transition);
}

.workout-form-section:hover {
    box-shadow: var(--ws-shadow);
    transform: translateY(-2px);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4em;
    font-weight: 600;
    margin: 0 0 15px 0;
    color: var(--ws-text-color);
}

.section-icon {
    font-size: 1.2em;
}

.section-description {
    color: var(--ws-text-light);
    margin: 0 0 20px 0;
    font-size: 0.95em;
}

/* Opciones de tiempo */
.workout-time-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 15px;
}

.time-option {
    position: relative;
    cursor: pointer;
    display: block;
}

.time-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.time-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px 15px;
    background: white;
    border: 2px solid var(--ws-border-color);
    border-radius: var(--ws-border-radius);
    transition: var(--ws-transition);
    min-height: 80px;
}

.time-display:hover {
    border-color: var(--ws-primary-color);
    box-shadow: var(--ws-shadow);
}

.time-option input[type="radio"]:checked + .time-display {
    border-color: var(--ws-primary-color);
    background: var(--ws-primary-color);
    color: white;
    box-shadow: var(--ws-shadow-hover);
}

.time-number {
    font-size: 1.8em;
    font-weight: 700;
    line-height: 1;
}

.time-label {
    font-size: 0.9em;
    opacity: 0.8;
    margin-top: 2px;
}

/* Opciones de categorías */
.category-options,
.difficulty-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.category-option,
.difficulty-option {
    position: relative;
    cursor: pointer;
    display: block;
}

.category-option input[type="checkbox"],
.difficulty-option input[type="radio"] {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.category-display,
.difficulty-display {
    display: flex;
    flex-direction: column;
    padding: 15px;
    background: white;
    border: 2px solid var(--ws-border-color);
    border-radius: var(--ws-border-radius);
    transition: var(--ws-transition);
    position: relative;
}

.category-display:hover,
.difficulty-display:hover {
    border-color: var(--ws-primary-color);
    box-shadow: var(--ws-shadow);
}

.category-option input[type="checkbox"]:checked + .category-display,
.difficulty-option input[type="radio"]:checked + .difficulty-display {
    border-color: var(--ws-primary-color);
    background: rgba(43, 135, 218, 0.1);
}

.category-option input[type="checkbox"]:checked + .category-display::after,
.difficulty-option input[type="radio"]:checked + .difficulty-display::after {
    content: "✓";
    position: absolute;
    top: 8px;
    right: 8px;
    background: var(--ws-primary-color);
    color: white;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.category-name,
.difficulty-name {
    font-weight: 600;
    color: var(--ws-text-color);
    margin-bottom: 5px;
}

.category-count,
.difficulty-count {
    font-size: 0.85em;
    color: var(--ws-text-light);
}

/* Botón de generar */
.workout-form-actions {
    text-align: center;
    margin-top: 40px;
}

.workout-generate-btn {
    background: linear-gradient(135deg, var(--ws-primary-color) 0%, #1e6ba8 100%);
    color: white;
    border: none;
    padding: 18px 40px;
    font-size: 1.2em;
    font-weight: 600;
    border-radius: var(--ws-border-radius);
    cursor: pointer;
    transition: var(--ws-transition);
    box-shadow: var(--ws-shadow);
    display: inline-flex;
    align-items: center;
    gap: 10px;
    min-width: 200px;
    justify-content: center;
}

.workout-generate-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--ws-shadow-hover);
}

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

.workout-generate-btn.loading {
    pointer-events: none;
    opacity: 0.8;
}

.btn-icon {
    font-size: 1.1em;
}

.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255,255,255,0.3);
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    display: inline-block;
    margin-right: 8px;
}

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

/* Mensajes */
.workout-messages {
    margin-top: 20px;
}

.workout-message {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    border-radius: var(--ws-border-radius);
    margin-bottom: 10px;
    position: relative;
}

.workout-message-success {
    background: rgba(39, 174, 96, 0.1);
    border: 1px solid var(--ws-success-color);
    color: var(--ws-success-color);
}

.workout-message-error {
    background: rgba(231, 76, 60, 0.1);
    border: 1px solid var(--ws-error-color);
    color: var(--ws-error-color);
}

.workout-message-warning {
    background: rgba(243, 156, 18, 0.1);
    border: 1px solid var(--ws-warning-color);
    color: var(--ws-warning-color);
}

.message-close {
    position: absolute;
    top: 5px;
    right: 10px;
    background: none;
    border: none;
    font-size: 1.2em;
    cursor: pointer;
    opacity: 0.6;
}

.message-close:hover {
    opacity: 1;
}

/* Información del formulario */
.workout-form-info {
    margin-top: 30px;
    padding: 20px;
    background: var(--ws-background-light);
    border-radius: var(--ws-border-radius);
    border: 1px solid var(--ws-border-color);
}

.info-item {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
    font-size: 0.9em;
    color: var(--ws-text-light);
}

.info-item:last-child {
    margin-bottom: 0;
}

.info-icon {
    font-size: 1.1em;
}

/* ESTILOS PARA MOSTRAR WORKOUT */

/* Container principal de visualización */
.workout-display-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 30px 20px;
}

.workout-display-header {
    text-align: center;
    margin-bottom: 40px;
}

.workout-title {
    font-size: 2.5em;
    font-weight: 700;
    margin: 0 0 20px 0;
    color: var(--ws-text-color);
    line-height: 1.2;
}

.workout-summary {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.summary-item {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--ws-background-light);
    padding: 12px 20px;
    border-radius: var(--ws-border-radius);
    border: 1px solid var(--ws-border-color);
    font-weight: 500;
}

.summary-icon {
    font-size: 1.2em;
}

/* Grid de ejercicios */
.workout-exercises-grid {
    display: grid;
    gap: 25px;
    margin: 30px 0;
}

.workout-exercises-grid[data-columns="1"] {
    grid-template-columns: 1fr;
}

.workout-exercises-grid[data-columns="2"] {
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
}

.workout-exercises-grid[data-columns="3"] {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.workout-exercises-grid[data-columns="4"] {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.workout-exercises-grid[data-columns="5"] {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.workout-exercises-grid[data-columns="6"] {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Tarjeta de ejercicio */
.workout-exercise-item {
    background: white;
    border-radius: var(--ws-border-radius);
    overflow: hidden;
    box-shadow: var(--ws-shadow);
    transition: var(--ws-transition);
    border: 1px solid var(--ws-border-color);
}

.workout-exercise-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--ws-shadow-hover);
}

.exercise-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

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

.exercise-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--ws-transition);
}

.workout-exercise-item:hover .exercise-image img {
    transform: scale(1.05);
}

.exercise-number {
    position: absolute;
    top: 10px;
    left: 10px;
    background: var(--ws-primary-color);
    color: white;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9em;
}

.exercise-duration {
    position: absolute;
    top: 10px;
    right: 10px;
    background: rgba(0,0,0,0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 15px;
    font-size: 0.8em;
    font-weight: 600;
}

/* Barra de cabecera cuando no hay imagen */
.exercise-header-bar {
    background: linear-gradient(135deg, var(--ws-primary-color) 0%, #1e6ba8 100%);
    color: white;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.exercise-header-bar .exercise-number {
    position: static;
    background: rgba(255,255,255,0.2);
    width: 35px;
    height: 35px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1em;
}

.exercise-header-bar .exercise-duration {
    position: static;
    background: rgba(255,255,255,0.2);
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.9em;
    font-weight: 600;
}

.exercise-content {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.exercise-title {
    margin: 0 0 12px 0;
    font-size: 1.3em;
    font-weight: 600;
    line-height: 1.3;
}

.exercise-title a {
    color: var(--ws-text-color);
    text-decoration: none;
    transition: var(--ws-transition);
}

.exercise-title a:hover {
    color: var(--ws-primary-color);
}

.exercise-excerpt {
    color: var(--ws-text-light);
    line-height: 1.5;
    margin-bottom: 15px;
    flex: 1;
}

.exercise-meta {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
    font-size: 0.9em;
    color: var(--ws-text-light);
}

.meta-icon {
    margin-right: 4px;
}

.exercise-actions {
    margin-top: auto;
}

.exercise-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--ws-primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9em;
    transition: var(--ws-transition);
}

.exercise-link:hover {
    color: #1e6ba8;
    gap: 12px;
}

.link-icon {
    transition: var(--ws-transition);
}

/* Footer del workout */
.workout-display-footer {
    margin-top: 50px;
    padding-top: 30px;
    border-top: 1px solid var(--ws-border-color);
}

.workout-actions {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
    margin-bottom: 30px;
}

.workout-action-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: white;
    border: 2px solid var(--ws-border-color);
    border-radius: var(--ws-border-radius);
    color: var(--ws-text-color);
    text-decoration: none;
    font-weight: 500;
    cursor: pointer;
    transition: var(--ws-transition);
}

.workout-action-btn:hover {
    border-color: var(--ws-primary-color);
    color: var(--ws-primary-color);
    box-shadow: var(--ws-shadow);
}

.workout-tips {
    background: var(--ws-background-light);
    padding: 25px;
    border-radius: var(--ws-border-radius);
    border: 1px solid var(--ws-border-color);
}

.workout-tips h4 {
    margin: 0 0 15px 0;
    color: var(--ws-text-color);
    font-size: 1.1em;
}

.workout-tips ul {
    margin: 0;
    padding-left: 20px;
}

.workout-tips li {
    margin-bottom: 8px;
    color: var(--ws-text-light);
    line-height: 1.4;
}

/* Estado vacío */
.workout-display-empty {
    text-align: center;
    padding: 60px 20px;
}

.empty-state {
    max-width: 400px;
    margin: 0 auto;
}

.empty-icon {
    font-size: 4em;
    margin-bottom: 20px;
    opacity: 0.6;
}

.empty-state h3 {
    font-size: 1.5em;
    margin: 0 0 15px 0;
    color: var(--ws-text-color);
}

.empty-state p {
    color: var(--ws-text-light);
    line-height: 1.6;
    margin-bottom: 25px;
}

.empty-action-btn {
    background: var(--ws-primary-color);
    color: white;
    border: none;
    padding: 12px 25px;
    border-radius: var(--ws-border-radius);
    font-weight: 500;
    cursor: pointer;
    transition: var(--ws-transition);
}

.empty-action-btn:hover {
    background: #1e6ba8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .workout-form-container {
        margin: 0 10px;
        padding: 20px 15px;
    }
    
    .workout-form-title {
        font-size: 1.8em;
    }
    
    .workout-time-options {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .category-options,
    .difficulty-options {
        grid-template-columns: 1fr;
    }
    
    .workout-summary {
        gap: 15px;
    }
    
    .summary-item {
        padding: 10px 15px;
        font-size: 0.9em;
    }
    
    .workout-exercises-grid {
        grid-template-columns: 1fr !important;
        gap: 20px;
    }
    
    .workout-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .workout-action-btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .workout-form-container {
        margin: 0 5px;
        padding: 15px 10px;
    }
    
    .workout-form-section {
        padding: 20px 15px;
    }
    
    .workout-time-options {
        grid-template-columns: 1fr;
    }
    
    .workout-form-title {
        font-size: 1.6em;
    }
    
    .workout-generate-btn {
        width: 100%;
        padding: 15px;
    }
}

/* Integración con Divi */
.et_pb_module .workout-form-container,
.et_pb_module .workout-display-container {
    background: transparent;
    box-shadow: none;
    padding: 0;
}

.et_pb_module .workout-form-section {
    background: white;
    box-shadow: var(--ws-shadow);
}

/* Animaciones */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.workout-exercise-item {
    animation: fadeInUp 0.5s ease forwards;
}

/* Accesibilidad */
.workout-form-container *:focus,
.workout-display-container *:focus {
    outline: 2px solid var(--ws-primary-color);
    outline-offset: 2px;
}

.time-option input[type="radio"]:focus + .time-display,
.category-option input[type="checkbox"]:focus + .category-display,
.difficulty-option input[type="radio"]:focus + .difficulty-display {
    box-shadow: 0 0 0 3px rgba(43, 135, 218, 0.3);
}