/* styles.css - Versión mejorada */
:root {
    --color-primary: #ff0000;
    --color-primary-dark: #cc0000;
    --color-secondary: #1a1a1a;
    --color-secondary-light: #2a2a2a;
    --color-text: #ffffff;
    --color-text-secondary: #999999;
    --color-border: #ff0000;
    --color-border-dark: #333333;
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
}

/* Estilos generales */
body {
    background-color: #000000;
    padding-top: 50px;
    color: var(--color-text);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.container {
    max-width: 800px;
}

/* Estilos de tarjetas */
.card {
    background-color: var(--color-secondary);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

.card-header {
    background-color: var(--color-primary) !important;
    border-bottom: 1px solid var(--color-border);
    padding: 1.25rem;
}

.card-header h3 {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.card-body {
    padding: 2rem;
}

/* Estilos para el escáner QR */
.qr-scanner {
    border: 2px dashed var(--color-border);
    height: 300px;
    margin: 20px 0;
    background-color: var(--color-secondary-light);
    position: relative;
    border-radius: 6px;
    overflow: hidden;
}

.scanner-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    flex-direction: column;
    padding: 20px;
    text-align: center;
}

.scanner-placeholder i {
    font-size: 3rem;
    margin-bottom: 15px;
    color: var(--color-primary);
}

.scanner-active {
    display: none;
}

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

.qr-scanner video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

#qr-result {
    display: none;
    margin-top: 10px;
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 10px;
}

#scanner-status {
    margin-top: 10px;
    font-weight: bold;
    padding: 10px;
    color: var(--color-text);
    text-align: center;
}

/* Botones */
.btn {
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.btn-lg {
    padding: 0.75rem 1.5rem;
    font-size: 1.1rem;
}

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

.btn-primary:hover, .btn-primary:focus {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn-outline-primary {
    color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-outline-primary:hover, .btn-outline-primary:focus {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-text);
}

.btn-secondary {
    background-color: var(--color-border-dark);
    border-color: var(--color-border-dark);
}

.btn-secondary:hover, .btn-secondary:focus {
    background-color: #555555;
    border-color: #555555;
}

.btn-danger {
    background-color: var(--color-danger);
    border-color: var(--color-danger);
}

#btn-start-scanner {
    margin-bottom: 15px;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

#btn-stop-scanner {
    display: none;
    margin-top: 15px;
}

/* Formularios */
.form-control, .form-control:focus {
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    padding: 0.75rem 1rem;
    border-radius: 4px;
}

.form-control:focus {
    box-shadow: 0 0 0 0.25rem rgba(255, 0, 0, 0.25);
}

.form-label {
    color: var(--color-text);
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.form-control::placeholder {
    color: var(--color-text-secondary);
    opacity: 1;
}

/* Listas y elementos de datos */
.list-group-item {
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border-dark);
    padding: 0.75rem 1.25rem;
}

.list-group-item strong {
    color: var(--color-primary);
}

/* Alertas */
.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-info {
    background-color: var(--color-secondary-light);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.alert-danger {
    background-color: var(--color-secondary-light);
    color: #ff6b6b;
    border: 1px solid var(--color-border);
}

/* Badges */
.badge {
    padding: 0.4em 0.65em;
    font-weight: 500;
}

.bg-success {
    background-color: var(--color-success) !important;
}

.bg-warning {
    background-color: var(--color-warning) !important;
    color: #000;
}

/* Footer */
footer {
    color: var(--color-text);
    padding: 1rem;
    text-align: center;
}

/* Modal */
.modal-content {
    background-color: var(--color-secondary);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

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

.modal-title {
    font-weight: 600;
}

.modal-body {
    padding: 1.5rem;
}

.modal-footer {
    border-top: 1px solid var(--color-border);
    padding: 1rem 1.25rem;
}

/* Efectos hover para cards */
.card-hover:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

/* Estilos específicos para la página de selección */
.selection-card {
    height: 100%;
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.selection-card .card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-grow: 1;
}

.selection-card i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.selection-card h4 {
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

/* Responsividad */
@media (max-width: 768px) {
    body {
        padding-top: 20px;
    }
    
    .card-body {
        padding: 1.5rem;
    }
    
    .qr-scanner {
        height: 250px;
    }
}