/* ==========================================================================
   1. VARIABLES Y CONFIGURACIÓN BASE
   ========================================================================== */
:root {
/* ==========================================================================
UDG ESTILOS
========================================================================== */
    /* --- PALETA MÉDICA --- */
    --color-primario: var(--rojo-UDG);
    --color-activo:   var(--tinto-UDG);
    --color-acento:   var(--miel-UDG);
    
    /* --- PALETA UDG --- */
    --miel-UDG:       #E4B347;
    --ocote-UDG:      #59402C;
    --tinto-UDG:      #6E2037;
    --rojo-UDG:       #AE1C28; /* Acciones principales */
    --amarillo-UDG:   #FFD700; /* Logos, cargas y focos */

    /* --- Modo Oscuro Profundo --- */
    --gris-fondo:     #121212; /* Fondo de página */
    --gris-panel:     #1e1e1e; /* Fondo de tarjetas y barras */
    --gris-borde:     #333333; /* Líneas divisorias */
    --gris-fuerte:    #2c2c2c; /* Inputs y fondos secundarios */
    --gris-medio:     #6c757d; /* Textos secundarios */
    --gris-debil:     #adb5bd; /* Textos terciarios */
    --gris-texto:     #e0e0e0; /* Texto principal */
    --gris-claro:     #ffffff;
    --gris-oscuro:    var(--gris-panel);
}

body {
    background-color: var(--gris-fondo);
    color: var(--gris-texto);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

h1, h2, h3, h4, h5 { color: var(--gris-claro); font-weight: bold; }

/* --- UTILIDADES --- */
.hidden { display: none !important; }
.shadow-udg { box-shadow: 0 0 10px rgba(174, 28, 40, 0.4); }
.borde-udg { padding-left: 15px; border-left: 3px solid var(--rojo-UDG); }

.text-instruction { color: var(--gris-debil); font-size: 0.95rem; }
.text-success-udg { color: var(--amarillo-UDG) !important; font-weight: bold; }
.text-primary { color: var(--color-primario) !important; }

/* Scrollbars */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--gris-fondo); }
::-webkit-scrollbar-thumb { background: var(--gris-borde); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--gris-medio); }


/* ==========================================================================
   2. PANTALLA DE CARGA (LOADER UDG)
   ========================================================================== */
#loader-wrapper {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: var(--gris-fondo); z-index: 9999;
    display: flex; flex-direction: column; justify-content: center; align-items: center;
}
#loader {
    border: 12px solid var(--amarillo-UDG); border-top: 12px solid var(--rojo-UDG); 
    border-bottom: 12px solid var(--rojo-UDG); border-radius: 50%;
    width: 80px; height: 80px; animation: spin 1s linear infinite;
}
#loader-logo { width: 100px; height: 100px; animation: pulse 1.5s infinite ease-in-out; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes pulse { 0% { transform: scale(1); opacity: 1; } 50% { transform: scale(1.1); opacity: 0.8; } 100% { transform: scale(1); opacity: 1; } }


/* ==========================================================================
   3. BARRA DE NAVEGACIÓN
   ========================================================================== */
.navbar {
    background-color: var(--gris-panel);
    border-bottom: 1px solid var(--gris-borde);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.5);
}
.navbar-brand {
    font-size: 1.5rem; color: var(--amarillo-UDG); font-weight: bold;
    border: 1px solid transparent; border-radius: 8px; transition: all 0.3s ease;
}
.navbar-brand:hover {
    background-color: rgba(255, 215, 0, 0.1); border-color: var(--amarillo-UDG); transform: translateY(-1px);
}
.navbar .navbar-toggler-icon { background-color: var(--gris-debil); border-radius: 4px; }

.navbar .nav-link {
    color: var(--gris-texto); font-weight: 500; padding: 8px 16px; margin: 0 4px;
    border: 1px solid transparent; border-radius: 6px; transition: all 0.2s ease;
}
.navbar .nav-link:hover {
    color: var(--amarillo-UDG); border-color: var(--amarillo-UDG); background-color: rgba(255, 215, 0, 0.05);
}
.navbar .nav-link:focus, .navbar .nav-link:active, .navbar .nav-link.show {
    color: var(--amarillo-UDG) !important; background-color: transparent !important;
    border-color: var(--amarillo-UDG) !important; outline: none;
}
.navbar .dropdown-menu { background-color: var(--gris-panel); border: 1px solid var(--gris-borde); }
.navbar .dropdown-item { color: var(--gris-debil); }
.navbar .dropdown-item:hover { background-color: var(--gris-borde); color: var(--amarillo-UDG); }

.navbar .form-control {
    background-color: var(--gris-borde); border: 1px solid #444; color: white;
}
.navbar .form-control:focus {
    background-color: #444; color: white; outline: none; border-color: var(--amarillo-UDG);
}


/* ==========================================================================
   4. BOTONES Y TARJETAS (ESTILOS FORMALES COMPLETOS)
   ========================================================================== */
.card {
    background-color: var(--gris-panel); color: var(--gris-texto);
    border: 1px solid var(--gris-borde); border-radius: 12px; box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
/* Base de botones */
.btn {
    border-radius: 6px; padding: 0.5rem 1.2rem; font-weight: 500;
    transition: all 0.2s ease; border: 1px solid transparent;
}

/* --- Botones Institucionales (Rojo UDG) --- */
.btn-udg, .btn-udg-rojo { background-color: var(--rojo-UDG); color: white; }
.btn-udg:hover, .btn-udg-rojo:hover {
    background-color: #89171e; color: var(--amarillo-UDG); box-shadow: 0 0 10px rgba(174, 28, 40, 0.4);
}

/* Bot├│n Dorado UDG */
.btn-udg-dorado { 
    background-color: #d4a617;  /* TAREA 3: Amarillo más suave (reduce fatiga) */
    color: #1a1a1a;  /* Negro más oscuro para mejor contraste */
    font-weight: bold;
    transition: all 0.2s ease;
}
.btn-udg-dorado:hover { 
    background-color: #e0c300;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(212, 166, 23, 0.3);
}

/* --- Botones Médicos/Secundarios (Estilo Ghost Azulado - RECUPERADO) --- */
.btn-secondary, .btn-outline-secondary, .btn-outline-light {
    background-color: rgba(13, 110, 253, 0.15); /* Fondo azul sutil transparente */
    border: 1px solid rgba(13, 110, 253, 0.3);  /* Borde azul sutil */
    color: var(--color-acento);                 /* Texto azul claro */
    backdrop-filter: blur(5px);
}
.btn-secondary:hover, .btn-outline-secondary:hover, .btn-outline-light:hover {
    background-color: rgba(13, 110, 253, 0.3); /* Azul más intenso al hover */
    border-color: var(--color-primario);
    color: white;
    transform: translateY(-1px);
}

/* --- Botones Formales de Acci├│n (Inferiores en Anonimizar) --- */
.btn-formal {
    border-radius: 6px; padding: 0.6rem 1.5rem; font-weight: 600;
    display: inline-flex; align-items: center; gap: 8px;
    text-transform: uppercase; font-size: 0.85rem; letter-spacing: 0.5px;
}
/* Volver (Gris) */
.btn-formal-gray { background-color: transparent; border: 1px solid var(--gris-borde); color: var(--gris-debil); }
.btn-formal-gray:hover { background-color: #333; color: white !important; border-color: #555; }
/* Guardar (Azul) */
.btn-formal-blue { background-color: rgba(13, 110, 253, 0.1); border: 1px solid var(--color-primario); color: var(--color-primario); }
.btn-formal-blue:hover { background-color: var(--color-primario); color: white !important; }
/* Exportar (Verde - RECUPERADO) */
.btn-formal-green { background-color: #198754; border: 1px solid #198754; color: white; }
.btn-formal-green:hover { background-color: #146c43; box-shadow: 0 4px 12px rgba(25, 135, 84, 0.3); }
/* Acci├│n Peligrosa (Rojo) */
.btn-formal-red { background-color: rgba(220, 53, 69, 0.1); border: 1px solid #dc3545; color: #dc3545; }
.btn-formal-red:hover { background-color: #dc3545; color: white !important; }

/* --- Bot├│n Excluir Sutil (En tabla de Anonimizar) --- */
.btn-subtle-danger {
    border: 1px solid var(--gris-borde); color: var(--gris-debil); background: transparent; transition: all 0.2s ease;
}
.btn-subtle-danger:hover {
    background-color: rgba(220, 53, 69, 0.1); color: #dc3545; border-color: #dc3545;
}

/* Overrides de Bootstrap */
.btn-primary { background-color: var(--color-primario) !important; border-color: var(--color-primario) !important; color: white; }
.btn-primary:hover { background-color: var(--color-activo) !important; border-color: var(--color-activo) !important; }
.btn-danger { background-color: #dc3545; }
.btn-success { background-color: #198754; }


/* ==========================================================================
   5. INPUTS Y FORMULARIOS
   ========================================================================== */
/* Inputs Generales */
.form-control, input[type="search"], input[type="number"], input[type="text"] {
    background-color: var(--gris-fondo) !important;
    border: 1px solid var(--gris-borde) !important;
    color: var(--gris-texto) !important;
    border-radius: 6px; box-shadow: none !important;
}
.form-control:focus, input:focus {
    border-color: var(--color-primario) !important;
    background-color: #000 !important;
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.25) !important;
    outline: none;
}
::placeholder { color: var(--gris-medio) !important; opacity: 0.7; }

/* --- INPUT GROUP INTEGRADO (Para LoadDicom Formal - RECUPERADO) --- */
.input-group-integrated {
    display: flex; box-shadow: 0 4px 12px rgba(0,0,0,0.3); border-radius: 8px; overflow: hidden;
}
.input-group-integrated .form-control {
    border-top-right-radius: 0 !important; border-bottom-right-radius: 0 !important; border-right: none;
    background-color: var(--gris-panel) !important; color: transparent !important; flex-grow: 1;
}
.input-group-integrated .btn-upload {
    border-top-left-radius: 0 !important; border-bottom-left-radius: 0 !important;
    background-color: var(--rojo-UDG); color: white; border: 1px solid var(--rojo-UDG);
    padding: 0.6rem 1.5rem; font-weight: bold; letter-spacing: 0.5px; transition: all 0.2s ease;
}
.input-group-integrated .btn-upload:hover {
    background-color: #89171e; color: var(--amarillo-UDG);
}

/* --- INPUT FILE ESTÁNDAR (Limpio) --- */
input[type="file"].form-control {
    background-color: var(--gris-panel) !important; padding: 0.5rem; height: auto;
    color: transparent !important; 
}
input[type="file"].form-control:hover {
    border-color: var(--color-acento) !important; background-color: #252525 !important; cursor: pointer;
}
input[type="file"]::file-selector-button {
    background-color: var(--gris-borde) !important; color: white !important;
    border: 1px solid #555; padding: 0.4rem 1rem; margin-right: 1rem; border-radius: 4px; font-weight: 600; cursor: pointer; transition: all 0.2s ease;
}
input[type="file"]::file-selector-button:hover {
    background-color: #4a4a50 !important; border-color: #777;
}
input[type="file"]:focus::file-selector-button {
    background-color: var(--gris-borde) !important; color: white !important;
    outline: 2px solid var(--color-primario); outline-offset: 2px;
}

/* Corrección específica para sidebar */
#plugins-sidebar input[type="file"].form-control { padding: 0.25rem; border: 1px solid var(--gris-medio); }
#plugins-sidebar input[type="file"]::file-selector-button {
    background-color: var(--color-primario) !important; padding: 0.1rem 0.5rem; font-size: 0.8rem; margin-right: 0.5rem; border: none;
}
#plugins-sidebar input[type="file"]::file-selector-button:hover {
    background-color: var(--color-activo) !important;
}


/* ==========================================================================
   6. TABLAS (DARK MODE TOTAL Y FORMAL)
   ========================================================================== */
.table-container-card {
    background-color: var(--gris-panel); border: 1px solid var(--gris-borde); border-radius: 12px; padding: 2rem;
}
.table-container-card h1 {
    color: var(--gris-texto); font-weight: 700; margin-bottom: 1.5rem;
    text-transform: uppercase; font-size: 1.2rem; letter-spacing: 2px;
    border-bottom: 1px solid var(--gris-borde); padding-bottom: 15px;
}

/* --- Tabla UDG (Resultados DICOM) - Estilo Sobrio --- */
.table.udg-style {
    background-color: #161616; border-radius: 6px; overflow: hidden; border: 1px solid #333;
    width: 100%; border-collapse: separate; border-spacing: 0;
}
.table.udg-style thead th {
    background-color: #222 !important; color: #b0b0b0 !important; /* Gris claro, no blanco puro */
    font-weight: 600; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 1px; padding: 15px; border-bottom: 1px solid #444 !important;
}
.table.udg-style tbody td {
    background-color: #161616; color: #e0e0e0; border-bottom: 1px solid #2a2a2a; padding: 12px 15px;
    transition: background-color 0.2s ease; border-left: 4px solid transparent;
}
/* Hover Formal (Gris neutro, NO azul) */
.table.udg-style tbody tr:hover td {
    background-color: #1f1f1f !important; cursor: pointer;
}
/* Fila Activa (Gris destacado con acento rojo sutil) */
.table-active-row td {
    background-color: #2a2a2a !important; color: white !important; font-weight: 600;
    border-left-color: var(--rojo-UDG) !important; /* Línea roja elegante */
}

/* --- Tabla Anonimizaci├│n (Oscura Formal) --- */
#tabla-container {
    background-color: var(--gris-panel); border-radius: 12px; padding: 2rem; border: 1px solid var(--gris-borde); box-shadow: 0 4px 20px rgba(0,0,0,0.3);
}
#tabla-container table { width: 100%; border-collapse: collapse; }
#tabla-container thead th {
    background-color: #000000 !important; color: white !important;
    padding: 1rem; text-transform: uppercase; font-size: 0.8rem; border-bottom: 1px solid #333;
}
/* Encabezados de Secci├│n (Ej. PATIENTNAME) */
#tabla-container tr.section-header td {
    background-color: #1a1a1a !important; color: var(--color-acento) !important;
    font-weight: 700; font-family: 'Consolas', monospace; text-align: center;
    padding: 0.8rem; border-bottom: 1px solid #333; border-top: 1px solid #333;
}
/* Filas de Datos */
#tabla-container tr.data-row td {
    background-color: var(--gris-panel); padding: 0.8rem; border: none; border-bottom: 1px solid #2a2a2a;
}
/* Inputs en tabla */
/* 4. Input de Texto (Integrado y Formal) */
#tabla-container input[type="text"] {
    background-color: #121212;       /* Fondo muy oscuro */
    border: 1px solid #444;          /* Borde gris sutil (NO BLANCO) */
    color: #e0e0e0;                  /* Texto gris claro */
    border-radius: 4px;
    padding: 0.5rem 0.8rem;
    width: 100%;
    transition: all 0.2s ease;
}

#tabla-container input[type="text"]:focus {
    background-color: #000;
    border-color: var(--color-primario); /* Azul al escribir */
    box-shadow: 0 0 0 2px rgba(13, 110, 253, 0.1); /* Resplandor muy suave */
    outline: none;
}

#tabla-container input[type="text"]::placeholder {
    color: #555; /* Placeholder discreto */
}


/* ==========================================================================
   7. LAYOUT DEL VISOR
   ========================================================================== */
#viewer-wrapper { max-width: 100%; margin: 0; height: calc(100vh - 56px); }
#viewer-container { display: flex; height: 100%; width: 100%; }

/* Barra Lateral */
#plugins-sidebar {
    flex-basis: 320px; flex-shrink: 0; padding: 1rem;
    background-color: var(--gris-panel) !important; border-right: 1px solid var(--gris-borde) !important;
    overflow: hidden !important; display: flex; flex-direction: column;
}
.sidebar-fixed-content { flex-shrink: 0; overflow-y: auto; max-height: 60vh; }
#active-tool-panel {
    overflow-y: auto; padding-right: 5px; flex-grow: 1;
    scrollbar-width: thin; scrollbar-color: var(--gris-borde) transparent;
}
#active-tool-panel > div {
    margin-bottom: 15px; padding-bottom: 15px; border-bottom: 1px solid var(--gris-borde);
    background-color: #181818 !important; border: 1px solid #333; box-shadow: 0 4px 6px rgba(0,0,0,0.3);
    animation: fadeIn 0.3s ease;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }

/* Grid */
#quadrant-grid-wrapper { flex-grow: 1; padding: 0.5rem; min-width: 0; background-color: black; }
#quadrant-grid { display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; gap: 0.5rem; height: 100%; width: 100%; }
.quadrant-card {
    display: flex; flex-direction: column; height: 100%; width: 100%;
    overflow: hidden; border: 1px solid var(--gris-borde); background-color: var(--gris-fondo);
}
.quadrant-card .card-body { display: flex; flex-direction: column; flex-grow: 1; min-height: 0; padding: 0 !important; }

/* Contenedores de imagen */

.image-wrapper {
    flex-grow: 1;
    position: relative;
    width: 100%;
    height: 100%;
    background-color: black;
    overflow: hidden;
    /* CAMBIO: Eliminamos Flexbox para control total por JavaScript */
    display: block !important; 
    padding: 0 !important;
    margin: 0 !important;
}

.image-wrapper canvas {
    position: absolute; /* Origen 0,0 real respecto al contenedor negro */
    top: 0;
    left: 0;
    /* CAMBIO: El tamaño lo controla el JS, aquí solo quitamos estiramientos */
    width: auto !important;
    height: auto !important;
    object-fit: none !important;
    image-rendering: pixelated; 
    cursor: grab;
}

.fullscreen-active {
    position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    background-color: black; z-index: 1050; padding: 0;
    display: flex; flex-direction: column;
}
.fullscreen-active .card-body { height: 100%; padding: 0; }

/* Estilos para el Mini-mapa */
.minimap-container {
    position: absolute;
    top: 10px;
    right: 10px;
    /* Eliminamos el min-height fijo, el JS se encarga */
    border: 1px solid #555;
    background-color: rgba(0, 0, 0, 0.85);
    z-index: 500;
    overflow: hidden;
    box-shadow: 0 0 10px rgba(0,0,0,0.7);
}

.minimap-viewport {
    position: absolute;
    border: 1.5px solid var(--amarillo-UDG);
    background-color: rgba(255, 215, 0, 0.1); /* Tinte suave para ver el área */
    box-sizing: border-box;
    pointer-events: none;
}


/* ==========================================================================
   8. BARRA DE HERRAMIENTAS (SIDEBAR WIDGETS)
   ========================================================================== */
.sidebar-group {
    background-color: rgba(0,0,0,0.2); border: 1px solid var(--gris-borde);
    border-radius: 8px; padding: 8px; margin-bottom: 8px;
}
.sidebar-group-title {
    font-size: 0.65rem; text-transform: uppercase; color: var(--gris-medio);
    margin-bottom: 6px; border-bottom: 1px solid var(--gris-borde); padding-bottom: 2px;
}

/* Botones Icono */
.btn-icon {
    width: 42px; height: 42px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: 1.2rem; margin: 2px; border-radius: 6px;
    background-color: var(--gris-borde); color: var(--gris-debil);
    border: 1px solid transparent;
}
/* Hover Azul Médico */
.btn-icon:hover {
    border-color: var(--color-acento) !important; color: white !important;
    background-color: rgba(13, 110, 253, 0.2) !important;
    box-shadow: 0 0 10px rgba(13, 110, 253, 0.3); transform: translateY(-1px);
}
/* Activo Azul Médico (Sin amarillo) */
.btn-icon.btn-udg-rojo, .btn-icon.btn-udg-rojo:hover, .btn-icon.btn-udg-rojo:focus {
    background-color: var(--color-primario) !important;
    color: white !important; border-color: var(--color-acento) !important;
    box-shadow: 0 0 12px rgba(13, 110, 253, 0.6) !important; transform: scale(1.05);
}

/* Corrección de textos y Títulos */
#plugins-sidebar .text-muted, #plugins-sidebar .form-label, #plugins-sidebar small { color: #b0b0b0 !important; }

.tool-panel-title {
    background-color: rgba(255, 255, 255, 0.05); padding: 8px 10px;
    border-radius: 4px; margin-bottom: 12px; border-left: 3px solid var(--color-acento);
    color: white !important; font-size: 0.85rem; font-weight: bold; text-transform: uppercase;
    letter-spacing: 1px; display: flex; align-items: center; gap: 8px;
}


/* ==========================================================================
   9. WIDGETS ESPECÍFICOS
   ========================================================================== */
#huPickerPluginContainer .alert {
    background-color: rgba(255, 255, 255, 0.02) !important;
    border: none;
    padding: 0; 
    margin-bottom: 0;
}
/* Panel HU (Monitor) */
#huResult {
    background-color: #050505 !important; /* Negro profundo */
    color: #ffffff !important;            /* Texto blanco puro */
    
    /* Borde técnico: Gris oscuro con acento Azul a la izquierda */
    border: 1px solid #333;
    border-left: 3px solid var(--color-primario); 
    
    border-radius: 6px;
    padding: 12px;
    
    /* Tipografía de consola/código para números */
    font-family: 'Consolas', 'Courier New', monospace;
    font-size: 0.85rem;
    
    /* Efecto de pantalla hundida */
    box-shadow: inset 0 0 20px rgba(0,0,0,1); 
}

#huInfo {
    color: var(--color-acento) !important; 
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
    padding-left: 4px;
    opacity: 0.9;
}

/* Etiquetas (X, Y, Z, Densidad) */
#huResult .text-muted, 
#huResult .text-secondary {
    color: #ffffff !important; /* Gris medio legible */
}

/* Valores de Coordenadas */
#huResult span.text-light {
    color: #ffffff !important;
}

#huResult .text-info {
    color: #0dcaf0 !important; /* Cyan brillante para el valor HU */
    text-shadow: 0 0 5px rgba(13, 202, 240, 0.4); /* Peque├▒o resplandor */
}

/* Líneas divisorias internas */
#huResult .border-top {
    border-color: #333 !important;
}

/* Presets */
.btn-group-presets { width: 100%; display: flex; }
.btn-group-presets .btn { flex: 1; border-radius: 0; border-color: var(--gris-borde); color: var(--gris-debil); }
.btn-group-presets .btn:first-child { border-radius: 4px 0 0 4px; }
.btn-group-presets .btn:last-child { border-radius: 0 4px 4px 0; }
.preset-active {
    background-color: var(--color-primario) !important; border-color: var(--color-primario) !important;
    color: white !important; font-weight: bold; box-shadow: inset 0 3px 5px rgba(0,0,0,0.2);
}

/* Spinners Numéricos */
.custom-spinner input[type='number']::-webkit-inner-spin-button, .custom-spinner input[type='number']::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.custom-spinner input[type='number'] { -moz-appearance: textfield; appearance: textfield; }
.custom-spinner input {
    background-color: var(--gris-fondo) !important; border-color: var(--gris-borde); color: white !important;
    padding: 0 2px !important; text-align: center; font-weight: bold; min-width: 0;
}
.custom-spinner .btn { padding: 0.1rem 0.5rem; z-index: 2; display: flex; align-items: center; justify-content: center; }

/* Editor de Curvas (Histograma) */
#curve-editor-wrapper {
    width: 100%; border: 1px solid var(--gris-borde); border-radius: 4px; position: relative; background-color: black;
}
#contrastEditorContainer .btn-outline-success { border-color: #198754 !important; color: #198754 !important; }
#contrastEditorContainer .btn-outline-success:hover { background-color: #198754 !important; color: white !important; }
#contrastEditorContainer .btn-outline-danger { border-color: #dc3545 !important; color: #dc3545 !important; }
#contrastEditorContainer .btn-outline-danger:hover { background-color: #dc3545 !important; color: white !important; }
#contrastEditorContainer .btn-outline-warning { border-color: #ffc107 !important; color: #ffc107 !important; }
#contrastEditorContainer .btn-outline-warning:hover { background-color: #ffc107 !important; color: black !important; }
#contrastEditorContainer .btn-outline-secondary { border-color: #6c757d; color: #e0e0e0; }
#contrastEditorContainer .btn-outline-secondary:hover { background-color: #6c757d; color: white; }

/* Acorde├│n Metadata */
.accordion-button::after { filter: invert(1); transform: scale(0.7); }
.accordion-button:not(.collapsed) { background-color: var(--gris-borde) !important; color: var(--amarillo-UDG) !important; box-shadow: none; }
#collapseMeta .accordion-body { padding: 5px !important; overflow: hidden !important; }
#metadataList {
    display: block !important; width: 100% !important; max-height: 350px !important; overflow-y: auto !important;
    padding-right: 5px !important; margin-bottom: 0 !important;
}
#metadataList li {
    display: flex !important; justify-content: space-between !important;
    padding: 6px 4px !important; border-bottom: 1px solid #333 !important; font-size: 0.8rem !important;
}
#metadataList span.val { color: var(--color-acento); text-align: right; font-weight: bold; margin-left: 10px; word-break: break-word; }

/* ==========================================================================
   10. ORIENTATION LABELS (ANATOMICAL DIRECTIONS)
   ========================================================================== */
/* Orientation labels for anatomical directions */
.orientation-labels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none; /* Don't block canvas interactions */
    z-index: 15; /* Above minimap (z-index: 10) */
}

.orientation-label {
    position: absolute;
    color: var(--amarillo-UDG); /* Gold color (stands out on any background) */
    font-size: 13px;
    font-weight: bold;
    font-family: 'Times New Roman', Georgia, serif; /* I con barras superior e inferior */
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.9); /* Strong shadow for readability */
    letter-spacing: 1px;
    user-select: none; /* Prevent text selection */
}

.label-top {
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.label-bottom {
    bottom: 10px;
    left: 50%;
    transform: translateX(-50%);
}

.label-left {
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.label-right {
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

/* =========================================
   AJUSTES RESPONSIVOS
   ========================================= */
@media (max-width: 992px) {
    /* Hacemos la tarjeta un poco más compacta */
    .card {
        padding: 1.5rem !important;
    }
    
    /* Reducimos el icono gigante */
    .bi-folder-plus {
        font-size: 2.5rem !important;
    }
    
    /* Ajustamos el tamaño del título */
    h3 {
        font-size: 1.5rem;
    }
    
    /* Aseguramos que el bot├│n de subir no se rompa */
    .input-group-integrated .btn-upload {
        padding: 0.6rem 1rem;
        font-size: 0.9rem;
    }
}

/* --- Multi-Segmentation Layer Panel --- */
.seg-row {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 6px;
    border-radius: 4px;
    cursor: pointer;
    border-left: 3px solid transparent;
    transition: background-color 0.15s;
    margin-bottom: 2px;
}
.seg-row:hover {
    background-color: rgba(255,255,255,0.07);
}
.seg-row-active {
    border-left-color: #0dcaf0;
    background-color: rgba(13, 202, 240, 0.1);
}
.seg-color-swatch {
    width: 14px;
    height: 14px;
    border-radius: 2px;
    flex-shrink: 0;
    border: 1px solid rgba(255,255,255,0.2);
}
.seg-row-name {
    color: #f8f9fa;
    font-size: 0.8rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.seg-row-info {
    min-width: 0;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
}
.seg-row-volume {
    color: #aeb6c2;
    font-size: 0.69rem;
    font-variant-numeric: tabular-nums;
    line-height: 1.2;
}
.seg-row-actions {
    display: flex;
    gap: 3px;
    flex-shrink: 0;
}
.seg-row-actions .btn {
    padding: 1px 5px;
    font-size: 0.7rem;
    line-height: 1.4;
}
.seg-analysis-panel {
    border: 1px solid #424a55;
    border-radius: 7px;
    background: rgba(0, 0, 0, 0.18);
    padding: 8px;
}
.seg-analysis-head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 8px;
    margin-bottom: 7px;
}
.seg-analysis-title {
    color: #f8f9fa;
    font-size: 0.82rem;
    font-weight: 600;
}
.seg-metric-section {
    border-top: 1px solid rgba(255,255,255,0.09);
    padding-top: 7px;
    margin-top: 7px;
}
.seg-metric-section h6 {
    color: #dce2ea;
    font-size: 0.73rem;
    margin: 0 0 5px;
    text-transform: uppercase;
    letter-spacing: .04em;
}
.seg-metric-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 3px 10px;
    font-size: 0.72rem;
}
.seg-metric-grid dt { color: #9fa8b5; font-weight: 400; }
.seg-metric-grid dd { color: #f4f6f8; margin: 0; text-align: right; font-variant-numeric: tabular-nums; }
.seg-radiomics-pending {
    color: #d9b86c;
    font-size: 0.71rem;
    line-height: 1.35;
}
.seg-visibility-btn {
    min-width: 28px;
    border: 1px solid #4a505a !important;
    color: #b8bec7 !important;
    opacity: 1 !important;
}
.seg-visibility-btn.is-visible {
    border-color: #0dcaf0 !important;
    color: #0dcaf0 !important;
    background-color: rgba(13, 202, 240, 0.12) !important;
}
#createSegmentationForm {
    padding: 6px;
    background-color: rgba(255,255,255,0.05);
    border-radius: 4px;
    border: 1px solid rgba(255,255,255,0.1);
}

/* --- View Loading Overlay --- */
.view-loading-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 20;
    border-radius: 4px;
    pointer-events: none;
}

/* ==========================================================================
    11. MEJORAS PROFESIONALES - TAREA 3: OPTIMIZACIÓN VISTA 3D
    ========================================================================== */
.iframe-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden; /* Elimina scrollbars */
    background-color: black;
    border-radius: 4px;
}

.iframe-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ==========================================================================
    12. MEJORAS PROFESIONALES - TAREA 2: CONTROL DE OPACIDAD (OVERLAY)
    ========================================================================== */
.overlay-opacity-slider-container {
    background-color: rgba(255, 255, 255, 0.05);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid var(--gris-borde);
    margin-bottom: 12px;
}

.overlay-opacity-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 8px;
    font-size: 0.85rem;
    font-weight: bold;
    color: white;
}

.overlay-opacity-value {
    color: var(--color-acento);
    font-weight: bold;
    min-width: 40px;
    text-align: right;
}

.overlay-opacity-slider {
    width: 100%;
    cursor: pointer;
    accent-color: var(--color-primario);
}

/* ==========================================================================
    13. MEJORAS PROFESIONALES - TAREA 5: REGLA DE COLORES (COLORBAR)
    ========================================================================== */
/* La escala ocupa un carril propio junto al marco, fuera de la imagen */
.mpr-stage { display: flex; flex: 1 1 0; min-height: 0; overflow: hidden; background: #000; }
.mpr-stage .image-wrapper { width: auto; min-width: 0; }
.colorbar-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    flex: 0 0 38px;
    padding: 4px 1px;
    min-height: 0;
    overflow: hidden;
    border-left: 1px solid var(--gris-borde);
    pointer-events: none;
}
.colorbar-title, .colorbar-value { font: 9px/1.1 monospace; color: #c9c9c9; flex-shrink: 0; }
.colorbar-title { color: var(--miel-UDG); }
.colorbar-gradient { width: 8px; height: 55%; max-height: 160px; min-height: 8px; border: 1px solid #555; flex-shrink: 1; }

/* ==========================================================================
    14. INDICADOR DE ACTIVIDAD IA
    ========================================================================== */
.ai-progress-modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 5000;
}

.ai-progress-modal {
    background-color: var(--gris-panel);
    border: 2px solid var(--amarillo-UDG);
    border-radius: 12px;
    padding: 30px;
    width: min(440px, calc(100vw - 32px));
    box-shadow: 0 4px 20px rgba(255, 215, 0, 0.22);
    text-align: center;
}

.ai-progress-title {
    font-size: 1.2rem;
    font-weight: bold;
    color: white;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
}
.ai-progress-title i { color: var(--amarillo-UDG); }

.ai-progress-spinner {
    display: inline-block;
    width: 28px;
    height: 28px;
    border: 3px solid rgba(255, 215, 0, 0.22);
    border-top-color: var(--amarillo-UDG);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.ai-loading-state {
    min-height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    background: rgba(0, 0, 0, 0.24);
    border: 1px solid var(--gris-borde);
    border-radius: 8px;
    color: white;
}

.ai-progress-elapsed {
    font-size: 1rem;
    font-variant-numeric: tabular-nums;
    color: var(--amarillo-UDG);
    font-family: monospace;
}

/* Compact cerebral anonymization action. */
.skull-strip-row {
    min-height: 48px;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 12px;
    border: 1px solid var(--gris-borde);
    border-left: 3px solid var(--miel-UDG);
    border-radius: 6px;
    background: var(--gris-panel);
}
.skull-strip-copy { display: inline-flex; align-items: center; gap: 8px; white-space: nowrap; }
.skull-strip-copy > i { color: var(--miel-UDG); }
.skull-strip-copy small { color: var(--gris-debil); margin-left: 4px; }
.skull-strip-status { display: inline-flex; align-items: center; gap: 6px; color: var(--gris-debil); font-size: .9rem; }
.skull-strip-status.is-ready, .skull-strip-status .bi-check-circle-fill { color: #5fd38d; }
.skull-strip-status.is-error { color: #ff8b8b; }
.skull-strip-spinner { color: var(--amarillo-UDG); }
@media (max-width: 700px) {
    .skull-strip-row { flex-wrap: wrap; }
    .skull-strip-status { flex-basis: 100%; }
}

.ai-progress-subtitle {
    font-size: 0.95rem;
    line-height: 1.4;
}

.ai-progress-message {
    font-size: 0.9rem;
    color: var(--gris-debil);
}

/* Multivista: encuadre adaptable y controles para trackpad */
#quadrant-grid { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) minmax(0, 1fr); }
.quadrant-card { min-height: 0; min-width: 0; }
.image-wrapper { flex: 1 1 0; min-height: 0; height: auto; overscroll-behavior: contain; }
.image-wrapper:focus-visible { outline: 2px solid var(--miel-UDG); outline-offset: -2px; }
.mpr-toolbar { gap: .5rem; padding: .35rem .65rem; flex-shrink: 0; background: #241d18; }
.mpr-toolbar strong { margin-right: auto; color: var(--miel-UDG); font-size: .85rem; }
.mpr-zoom { color: #d3c6b4; font-size: .75rem; font-variant-numeric: tabular-nums; }
.mpr-control { color: #f2dfb5; background: var(--ocote-UDG); white-space: nowrap; }
.mpr-control:hover, .mpr-control:focus-visible { background: var(--miel-UDG); color: #17130d; }
.mpr-control:active { background: var(--tinto-UDG) !important; color: white !important; }
.mpr-hint { color: #c9bfae; font-size: .68rem; padding: 0 .65rem .3rem; flex-shrink: 0; }

.quadrant-card .custom-range::-webkit-slider-thumb { background: var(--miel-UDG); }
.quadrant-card .custom-range::-moz-range-thumb { background: var(--miel-UDG); }
.quadrant-card .custom-range:focus::-webkit-slider-thumb { box-shadow: 0 0 0 .2rem #e4b34744; }
.quadrant-card .custom-range:focus::-moz-range-thumb { box-shadow: 0 0 0 .2rem #e4b34744; }
.quadrant-card .custom-range:active::-webkit-slider-thumb { background: var(--tinto-UDG); }
.quadrant-card .custom-range:active::-moz-range-thumb { background: var(--tinto-UDG); }

/* Controles de cortes y brújula anatómica fuera del área de imagen */
#quadrant-grid-wrapper { display: flex; flex-direction: column; min-height: 0; }
#quadrant-grid { flex: 1 1 0; min-height: 0; height: auto; }
.mpr-color-controls { display: flex; align-items: center; gap: .75rem; padding: .3rem .5rem .5rem; color: #dccba6; font-size: .8rem; flex-shrink: 0; }
.mpr-color-controls select { width: auto; max-width: 220px; }
.mpr-toolbar .orientation-labels { position: relative; flex: 0 0 34px; width: 34px; height: 32px; z-index: auto; }
.mpr-toolbar .orientation-label { font-size: 10px; line-height: 10px; letter-spacing: 0; }
.mpr-toolbar .label-top { top: 0; }
.mpr-toolbar .label-bottom { bottom: 0; }
.mpr-toolbar .label-left { left: 0; }
.mpr-toolbar .label-right { right: 0; }
.mpr-toolbar .orientation-labels::after { content: '+'; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); color: #a38a62; font: 12px monospace; }

.mpr-cursor-readout { display: block; flex-shrink: 0; min-height: 19px; padding: 0 .65rem .2rem; color: var(--miel-UDG); font: 11px/15px monospace; pointer-events: none; }