/* ===  SIMULACROS VIRTUALES - ESTILOS PERSONALIZADOS == */

/* CONTENEDOR PRINCIPAL */
.virtualexam-container {
    max-width: min(1400px, 95vw);
    margin: 0 auto;
    padding: clamp(1rem, 3vw, 2.5rem);
}

/* HEADER */
.virtualexam-header {
    margin-bottom: clamp(1.5rem, 4vw, 3rem);
    padding: clamp(1.5rem, 3vw, 2.5rem);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: clamp(12px, 2vw, 20px);
    box-shadow: 0 8px 24px rgba(102, 126, 234, 0.25);
}

.virtualexam-header-content {
    color: white;
}

.virtualexam-title-wrapper {
    display: flex;
    align-items: center;
    gap: clamp(0.75rem, 2vw, 1.5rem);
}

.virtualexam-icon {
    font-size: clamp(2rem, 5vw, 3.5rem);
    opacity: 0.95;
}

.virtualexam-title {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 700;
    margin: 0;
    line-height: 1.2;
}

.virtualexam-subtitle {
    font-size: clamp(0.875rem, 2vw, 1.125rem);
    opacity: 0.9;
    margin: clamp(0.25rem, 1vw, 0.5rem) 0 0 0;
}

/* ALERT */
.virtualexam-alert {
    margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
    border-radius: clamp(8px, 1.5vw, 12px);
}

/* ESTADO VACÍO */
.virtualexam-empty {
    text-align: center;
    padding: clamp(3rem, 8vw, 6rem) clamp(1rem, 3vw, 2rem);
    color: #6c757d;
    background: white;
    border-radius: clamp(12px, 2vw, 20px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
}

.virtualexam-empty i {
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: clamp(1rem, 3vw, 1.5rem);
    opacity: 0.2;
}

.virtualexam-empty h3 {
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    margin-bottom: clamp(0.5rem, 1.5vw, 0.75rem);
    color: #495057;
}

.virtualexam-empty p {
    font-size: clamp(0.875rem, 2vw, 1rem);
}

/* SECCIONES */
.virtualexam-section {
    margin-bottom: clamp(2rem, 5vw, 3.5rem);
}

.virtualexam-section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
    padding-bottom: clamp(0.75rem, 2vw, 1rem);
    border-bottom: 2px solid #e9ecef;
}

.virtualexam-section-title {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    font-size: clamp(1.25rem, 3vw, 1.75rem);
    font-weight: 700;
    margin: 0;
}

.virtualexam-section-title.active {
    color: #28a745;
}

.virtualexam-section-title.upcoming {
    color: #ffc107;
}

.virtualexam-section-title.finished {
    color: #6c757d;
}

.virtualexam-badge-count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: clamp(2rem, 5vw, 2.5rem);
    height: clamp(2rem, 5vw, 2.5rem);
    padding: 0 clamp(0.5rem, 1.5vw, 0.75rem);
    border-radius: 50%;
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 700;
    color: white;
}

.virtualexam-badge-count.active {
    background: #28a745;
}

.virtualexam-badge-count.upcoming {
    background: #ffc107;
}

.virtualexam-badge-count.finished {
    background: #6c757d;
}

/* GRID DE TARJETAS */
.virtualexam-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(320px, 100%), 1fr));
    gap: clamp(1rem, 3vw, 1.5rem);
}

/* TARJETAS */
.virtualexam-card {
    position: relative;
    background: white;
    border-radius: clamp(12px, 2vw, 16px);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
}

.virtualexam-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
}

.virtualexam-card.active {
    border-left: 4px solid #28a745;
}

.virtualexam-card.upcoming {
    border-left: 4px solid #ffc107;
}

.virtualexam-card.finished {
    border-left: 4px solid #6c757d;
    opacity: 0.9;
}

/* RIBBON (CINTA DE ESTADO) */
.virtualexam-card-ribbon {
    position: absolute;
    top: clamp(0.75rem, 2vw, 1rem);
    right: clamp(-2rem, -4vw, -2.5rem);
    padding: clamp(0.25rem, 1vw, 0.4rem) clamp(2rem, 5vw, 3rem);
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    font-weight: 700;
    color: white;
    transform: rotate(45deg);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    z-index: 10;
}

.virtualexam-card-ribbon.active {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.virtualexam-card-ribbon.upcoming {
    background: linear-gradient(135deg, #ffc107 0%, #ffca2c 100%);
}

.virtualexam-card-ribbon.finished {
    background: linear-gradient(135deg, #6c757d 0%, #868e96 100%);
}

/* HEADER DE TARJETA */
.virtualexam-card-header {
    padding: clamp(1rem, 3vw, 1.5rem);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
}

.virtualexam-card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: clamp(0.4rem, 1vw, 0.6rem);
    margin-bottom: clamp(0.75rem, 2vw, 1rem);
}

.virtualexam-badge {
    display: inline-block;
    padding: clamp(0.25rem, 1vw, 0.375rem) clamp(0.5rem, 1.5vw, 0.75rem);
    border-radius: clamp(12px, 2vw, 16px);
    font-size: clamp(0.7rem, 1.5vw, 0.8rem);
    font-weight: 600;
}

.virtualexam-badge.cycle {
    background: rgba(102, 126, 234, 0.15);
    color: #667eea;
}

.virtualexam-badge.number {
    background: rgba(118, 75, 162, 0.15);
    color: #764ba2;
}

.virtualexam-card-title {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    font-weight: 700;
    color: #2c3e50;
    margin: 0;
    line-height: 1.3;
}

/* BODY DE TARJETA */
.virtualexam-card-body {
    padding: clamp(1rem, 3vw, 1.5rem);
    flex: 1;
}

.virtualexam-countdown {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    padding: clamp(0.75rem, 2vw, 1rem);
    margin-bottom: clamp(0.75rem, 2vw, 1rem);
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    border-radius: clamp(8px, 1.5vw, 10px);
    font-size: clamp(0.875rem, 2vw, 1rem);
    color: #856404;
}

.virtualexam-countdown i {
    font-size: clamp(1.25rem, 3vw, 1.5rem);
}

.virtualexam-info-grid {
    display: flex;
    flex-direction: column;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
}

.virtualexam-info-item {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    font-size: clamp(0.875rem, 2vw, 0.95rem);
    color: #495057;
}

.virtualexam-info-item i {
    width: clamp(1.25rem, 3vw, 1.5rem);
    color: #667eea;
    flex-shrink: 0;
}

.virtualexam-info-item.warning {
    color: #dc3545;
}

.virtualexam-info-item.warning i {
    color: #dc3545;
}

.virtualexam-practice-badge {
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    padding: clamp(0.75rem, 2vw, 1rem);
    margin-top: clamp(0.75rem, 2vw, 1rem);
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    border-radius: clamp(8px, 1.5vw, 10px);
    font-size: clamp(0.875rem, 2vw, 0.95rem);
    font-weight: 600;
    color: #0c5460;
}

/* FOOTER DE TARJETA */
.virtualexam-card-footer {
    padding: clamp(1rem, 3vw, 1.25rem);
    border-top: 1px solid #e9ecef;
}

/* BOTONES */
.virtualexam-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: clamp(0.5rem, 1.5vw, 0.75rem);
    width: 100%;
    padding: clamp(0.75rem, 2vw, 1rem);
    border: none;
    border-radius: clamp(8px, 1.5vw, 10px);
    font-size: clamp(0.875rem, 2vw, 1rem);
    font-weight: 700;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.virtualexam-btn.primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.virtualexam-btn.primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    color: white;
}

.virtualexam-btn.practice {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    color: white;
    box-shadow: 0 4px 12px rgba(23, 162, 184, 0.3);
}

.virtualexam-btn.practice:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(23, 162, 184, 0.4);
    color: white;
}

.virtualexam-btn.disabled {
    background: #e9ecef;
    color: #6c757d;
    cursor: not-allowed;
    box-shadow: none;
}

.virtualexam-btn.disabled:hover {
    transform: none;
}

/* RESPONSIVE - TABLETS */
@media (max-width: 768px) {
    .virtualexam-grid {
        grid-template-columns: 1fr;
    }
    
    .virtualexam-header {
        text-align: center;
    }
    
    .virtualexam-title-wrapper {
        flex-direction: column;
    }
    
    .virtualexam-section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: clamp(0.5rem, 2vw, 0.75rem);
    }
}

/* RESPONSIVE - MÓVILES */
@media (max-width: 480px) {
    .virtualexam-card-ribbon {
        font-size: 0.65rem;
        padding: 0.2rem 2rem;
    }
    
    .virtualexam-card-meta {
        flex-direction: column;
    }
    
    .virtualexam-countdown {
        flex-direction: column;
        text-align: center;
    }
}

/* ANIMACIONES */
@keyframes virtualexam-fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.virtualexam-card {
    animation: virtualexam-fadeIn 0.4s ease-out;
}

.virtualexam-card:nth-child(1) { animation-delay: 0.05s; }
.virtualexam-card:nth-child(2) { animation-delay: 0.1s; }
.virtualexam-card:nth-child(3) { animation-delay: 0.15s; }
.virtualexam-card:nth-child(4) { animation-delay: 0.2s; }
.virtualexam-card:nth-child(5) { animation-delay: 0.25s; }
.virtualexam-card:nth-child(6) { animation-delay: 0.3s; }