:root {
    --brand-bg: #ddd1dd;
    --brand-dark: #332e33;
    --brand-text: #675d67;
    --brand-light: #fdfcfd;
}

body {
    background-color: var(--brand-bg);
    min-height: 100vh;
    display: flex;
    align-items: center;
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    padding: 20px 0;
}

.main-card {
    border-radius: 20px;
    box-shadow: 0 15px 30px rgba(51, 46, 51, 0.15);
    overflow: hidden;
    background-color: white;
    border: none;
}

.btn-brand {
    background-color: var(--brand-dark);
    color: white;
    border: none;
    font-weight: 600;
    padding: 12px 20px;
    transition: all 0.3s ease;
}

.btn-brand:hover,
.btn-brand:focus {
    background-color: var(--brand-text);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
}

/* Nuevos botones */
.btn-brand-outline {
    background-color: transparent;
    color: var(--brand-dark);
    border: 2px solid var(--brand-dark);
    transition: all 0.3s ease;
}

.btn-brand-outline:hover {
    background-color: var(--brand-dark);
    color: white;
    transform: translateY(-2px);
}

.btn-whatsapp {
    background-color: #25D366;
    color: white;
    border: none;
    transition: all 0.3s ease;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    color: white;
    transform: translateY(-2px);
}

.logo-container img {
    max-width: 200px;
    height: auto;
    margin-bottom: 10px;
}

.preview-pane {
    background-color: var(--brand-light);
    border-left: 1px solid #f0eaf0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Estilos del Input Group Custom */
.input-group-lg .form-control {
    border-radius: 10px 0 0 10px;
    border: 2px solid #eee;
    border-right: none;
}

.input-group-lg .btn-scan {
    border-radius: 0 10px 10px 0;
    border: 2px solid #eee;
    background-color: white;
    color: var(--brand-dark);
    border-left: none;
    padding: 0 20px;
    font-size: 1.2rem;
    transition: color 0.2s;
}

.input-group-lg .btn-scan:hover {
    color: #25D366;
}

.input-group-lg:focus-within .form-control,
.input-group-lg:focus-within .btn-scan {
    border-color: var(--brand-text);
    box-shadow: none;
}

.input-group-lg .form-control:focus {
    box-shadow: none;
}

/* Navegación por Pestañas Custom */
.nav-pills {
    background-color: #f5f0f5 !important;
    border-radius: 20px 20px 0 0 !important;
}

.nav-pills .nav-link {
    color: var(--brand-text);
    border-radius: 15px;
    margin: 5px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.nav-pills .nav-link:hover {
    color: var(--brand-dark);
    background-color: rgba(51, 46, 51, 0.05);
}

.nav-pills .nav-link.active {
    background-color: var(--brand-dark) !important;
    color: white !important;
    box-shadow: 0 4px 12px rgba(51, 46, 51, 0.15);
}

/* Ajustes para móviles */
@media (max-width: 768px) {
    .nav-pills .nav-link {
        font-size: 0.85rem;
        padding: 10px 5px;
    }
    .preview-pane {
        border-left: none;
        border-top: 1px solid #f0eaf0;
        padding-top: 30px !important;
    }

    body {
        padding: 10px;
    }

    .main-card {
        border-radius: 15px;
    }
}

/* Botón de Salir en la Esquina */
.logout-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    color: var(--brand-dark);
    border: 1px solid #eee;
    border-radius: 50px;
    padding: 8px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    z-index: 1000;
}

.logout-btn:hover {
    background: #fff5f5;
    color: #dc3545;
    border-color: #feb2b2;
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    .logout-btn {
        top: 10px;
        right: 10px;
        padding: 6px 12px;
        font-size: 0.75rem;
    }
}

/* Scanner Modal fixes */
#reader {
    border: none !important;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
}

#reader video {
    border-radius: 10px;
    object-fit: cover;
    transform: scale(1.8);
    transform-origin: center center;
}

/* Estilos adicionales para login.html */
.form-control-lg {
    border-radius: 10px;
    border: 2px solid #eee;
}
.form-control-lg:focus {
    border-color: var(--brand-text);
    box-shadow: none;
}

    .info-box-lector {
        background-color: white;
        border: 2px solid var(--brand-bg);
    }
    
/* Dark mode automático */
@media (prefers-color-scheme: dark) {
    body {
        background-color: #2b282b !important;
        color: #e4e4e4;
    }
    .main-card, .confirm-card, .preview-pane, .form-section {
        background-color: #3b363b !important;
        box-shadow: 0 10px 30px rgba(0,0,0,0.5) !important;
    }
    .info-box-lector {
        background-color: #453E45 !important;
        border-color: #5c555c !important;
    }
    .form-control, .form-select, .input-group-text, textarea {
        background-color: #453E45 !important;
        border-color: #5c555c !important;
        color: #fff !important;
    }
    .form-control::placeholder {
        color: #aaa;
    }
    .nav-link {
        color: #b0aeb0 !important;
    }
    .nav-pills {
        background-color: #453E45 !important;
    }
    .nav-link.active {
        background-color: #DBFF66 !important;
        color: #453E45 !important;
    }
    .upload-area {
        background-color: #3b363b !important;
        border-color: #5c555c !important;
    }
    .bg-light, .info-pill {
        background-color: #453E45 !important;
        border-color: #5c555c !important;
    }
    .form-label, .attr-label, h1, h2, h3, h4, h5, h6, p, .info-label, .info-value, .text-muted, .section-title, .form-text {
        color: #f0f0f0 !important;
    }
    .status-badge {
        color: #332e33 !important;
    }
    .input-group-lg .btn-scan {
        background-color: #453E45 !important;
        border-color: #5c555c !important;
        color: #f0f0f0 !important;
    }
    .table-container, table, th, td {
        background-color: #3b363b !important;
        color: #f0f0f0 !important;
        border-color: #5c555c !important;
    }
    .btn-brand {
        background-color: #5c555c !important;
        color: #fff !important;
        border-color: #7a717a !important;
    }
    .btn-brand:disabled, .btn-brand.disabled {
        background-color: #5c555c !important;
        color: #fff !important;
        opacity: 0.7 !important;
    }
    .btn-brand-outline {
        color: #f0f0f0 !important;
        border-color: #7a717a !important;
    }
    .btn-brand-outline:hover, .btn-brand-outline:focus, .btn-brand-outline:active {
        background-color: #5c555c !important;
        color: #fff !important;
        border-color: #7a717a !important;
    }
    /* Soporte para Tom Select en Dark Mode */
    .ts-control, .ts-wrapper.single.input-active .ts-control {
        background-color: #453E45 !important;
        border-color: #5c555c !important;
        color: #fff !important;
    }
    .ts-control > input, .ts-control .item {
        color: #fff !important;
    }
    .ts-dropdown {
        background-color: #3b363b !important;
        border-color: #5c555c !important;
        color: #fff !important;
    }
    .ts-dropdown .option {
        color: #f0f0f0 !important;
    }
    .ts-dropdown .option.active, .ts-dropdown .option:hover {
        background-color: #5c555c !important;
        color: #fff !important;
    }
    .ts-wrapper.multi .ts-control > div {
        background: #5c555c !important;
        color: #fff !important;
        border-color: #7a717a !important;
    }
}