/* ===== VARIABLES DE COLOR ===== */
:root {
    --primary-blue: #2F4F4F;
    --secondary-blue: #1a2f2f;
    --accent-gold: #B8860B;
    --light-gold: #DAA520;
    --dark-red: #800000;
    --light-red: #a52a2a;
    --white: #FFFFFF;
    --light-gray: #f5f5f5;
    --medium-gray: #e0e0e0;
    --dark-gray: #333333;
    --success-green: #28a745;
    --warning-orange: #ffc107;
    --error-red: #dc3545;
}

/* ===== ESTILOS DE LA SECCIÓN ===== */
.qr-validation-section {
    padding: 2rem 1rem;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: 100vh;
}

.qr-validation-container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    border: 2px solid var(--medium-gray);
}

/* ===== ENCABEZADO ===== */
.validation-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    border-bottom: 5px solid var(--accent-gold);
    color: var(--white);
}

.header-icon {
    font-size: 3.5rem;
    color: var(--light-gold);
    background: rgba(255, 255, 255, 0.1);
    width: 80px;
    height: 80px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.header-text {
    flex: 1;
    margin: 0 2rem;
}

.validation-title {
    margin: 0 0 0.5rem 0;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--white);
}

.validation-subtitle {
    margin: 0;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 400;
}

.header-badge .badge {
    background: var(--accent-gold);
    color: var(--white);
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    font-weight: 700;
    font-size: 1.2rem;
    border: 2px solid var(--light-gold);
}

/* ===== CONTENIDO PRINCIPAL ===== */
.scanner-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    padding: 2rem;
}

.scanner-left, .scanner-right {
    display: flex;
    flex-direction: column;
}

.scanner-box, .instructions-box {
    background: var(--white);
    border-radius: 12px;
    border: 2px solid var(--medium-gray);
    overflow: hidden;
    height: 100%;
}

/* ===== ÁREA DEL ESCÁNER ===== */
.scanner-header {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 1.5rem;
    border-bottom: 3px solid var(--accent-gold);
}

.scanner-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.6rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.scanner-desc {
    margin: 0;
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
}

.scanner-area {
    position: relative;
    width: 100%;
    height: 350px;
    background: var(--light-gray);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.scanner-placeholder {
    text-align: center;
    color: var(--dark-gray);
    padding: 2rem;
}

.scanner-placeholder i {
    font-size: 5rem;
    color: var(--medium-gray);
    margin-bottom: 1rem;
}

.scanner-placeholder h4 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: var(--primary-blue);
}

.scanner-placeholder p {
    margin: 0;
    color: #666;
    max-width: 300px;
}

.scanner-active {
    width: 100%;
    height: 100%;
    position: relative;
}

.scanner-controls {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--light-gray);
    border-top: 1px solid var(--medium-gray);
}

.control-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.8rem;
    transition: all 0.3s ease;
}

.scan-start {
    background: linear-gradient(135deg, var(--accent-gold) 0%, var(--light-gold) 100%);
    color: var(--white);
}

.scan-stop {
    background: linear-gradient(135deg, var(--dark-red) 0%, var(--light-red) 100%);
    color: var(--white);
}

.upload-btn {
    background: var(--white);
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

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

/* ===== INSTRUCCIONES ===== */
.instructions-box {
    padding: 1.5rem;
}

.instructions-box h3 {
    color: var(--primary-blue);
    font-size: 1.6rem;
    margin: 0 0 1.5rem 0;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--accent-gold);
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.instruction-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.instruction-item {
    display: flex;
    gap: 1rem;
    padding: 1rem;
    background: var(--light-gray);
    border-radius: 8px;
    border-left: 4px solid var(--accent-gold);
    transition: transform 0.3s ease;
}

.instruction-item:hover {
    transform: translateX(5px);
}

.instruction-icon {
    font-size: 1.5rem;
    color: var(--accent-gold);
    min-width: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.instruction-text h4 {
    margin: 0 0 0.3rem 0;
    color: var(--primary-blue);
    font-size: 1.1rem;
}

.instruction-text p {
    margin: 0;
    color: #666;
    font-size: 0.95rem;
    line-height: 1.4;
}

.services-info {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--medium-gray);
}

.services-info h4 {
    color: var(--primary-blue);
    margin: 0 0 1rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.services-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.services-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--dark-gray);
    font-size: 0.95rem;
}

.services-list i {
    color: var(--success-green);
}

/* ===== RESULTADOS ===== */
.validation-results {
    padding: 0 2rem 2rem;
}

.results-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid var(--accent-gold);
}

.results-header h3 {
    margin: 0 0 0.5rem 0;
    color: var(--primary-blue);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.results-subtitle {
    margin: 0;
    color: #666;
    font-size: 1.1rem;
}

.results-container {
    background: var(--light-gray);
    border-radius: 12px;
    border: 2px solid var(--medium-gray);
    overflow: hidden;
}

.results-placeholder {
    display: flex;
    align-items: center;
    padding: 2.5rem;
    gap: 2rem;
    text-align: center;
    background: var(--white);
}

.placeholder-icon {
    font-size: 4rem;
    color: var(--medium-gray);
    background: var(--light-gray);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.placeholder-text {
    flex: 1;
}

.placeholder-text h4 {
    margin: 0 0 1rem 0;
    color: var(--primary-blue);
    font-size: 1.8rem;
}

.placeholder-text p {
    margin: 0 0 0.5rem 0;
    color: #666;
    font-size: 1.1rem;
}

.placeholder-note {
    color: var(--accent-gold) !important;
    font-weight: 600;
    font-size: 1rem !important;
    margin-top: 1rem !important;
}

/* ===== INFORMACIÓN OFICIAL ===== */
.official-info {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    color: var(--white);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    border-top: 3px solid var(--accent-gold);
}

.official-badge {
    background: var(--accent-gold);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    font-weight: 700;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    white-space: nowrap;
}

.official-text {
    flex: 1;
    margin: 0;
    font-size: 1rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
}

.official-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s ease;
}

.official-link:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 1200px) {
    .scanner-content {
        gap: 1.5rem;
    }
    
    .scanner-area {
        height: 320px;
    }
}

@media (max-width: 992px) {
    .scanner-content {
        grid-template-columns: 1fr;
    }
    
    .validation-title {
        font-size: 1.8rem;
    }
    
    .scanner-area {
        height: 300px;
    }
    
    .header-icon {
        width: 60px;
        height: 60px;
        font-size: 2.5rem;
    }
}

@media (max-width: 768px) {
    .qr-validation-section {
        padding: 1rem 0.5rem;
    }
    
    .validation-header {
        flex-direction: column;
        text-align: center;
        padding: 1.5rem;
    }
    
    .header-text {
        margin: 1.5rem 0;
    }
    
    .validation-title {
        font-size: 1.6rem;
    }
    
    .scanner-content {
        padding: 1.5rem;
    }
    
    .scanner-controls {
        flex-direction: column;
    }
    
    .services-list {
        grid-template-columns: 1fr;
    }
    
    .results-placeholder {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
    }
    
    .official-info {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .official-text {
        text-align: center;
    }
}

@media (max-width: 576px) {
    .validation-title {
        font-size: 1.4rem;
    }
    
    .validation-subtitle {
        font-size: 1rem;
    }
    
    .scanner-area {
        height: 250px;
    }
    
    .scanner-placeholder i {
        font-size: 4rem;
    }
    
    .instruction-item {
        flex-direction: column;
        text-align: center;
    }
    
    .instruction-icon {
        min-width: auto;
    }
    
    .results-header h3 {
        font-size: 1.5rem;
    }
    
    .placeholder-text h4 {
        font-size: 1.5rem;
    }
}

/* ===== ANIMACIONES ===== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse-animation {
    animation: pulse 2s infinite;
}

.fade-in {
    animation: fadeIn 0.5s ease;
}

/* Estilos para resultados de validación */
.validation-results {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    margin-top: 2rem;
    border: 2px solid #e0e0e0;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.results-placeholder {
    text-align: center;
    padding: 3rem;
}

.placeholder-content i {
    font-size: 4rem;
    color: #6c757d;
    margin-bottom: 1rem;
}

.placeholder-content h4 {
    color: #343a40;
    margin-bottom: 0.5rem;
}

.placeholder-content p {
    color: #6c757d;
}

.results-content {
    animation: fadeIn 0.5s ease-in;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Botones de control */
.scanner-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

.control-btn {
    flex: 1;
    padding: 1rem 1.5rem;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    min-width: 200px;
}

.scan-start {
    background: linear-gradient(135deg, #28a745, #20c997);
    color: white;
}

.scan-stop {
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
}

.upload-btn {
    background: linear-gradient(135deg, #007bff, #0056b3);
    color: white;
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

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