:root {
    /* Material Design 3 - Modo Claro (Por Defecto) */
    --md-primary: #006bb7;
    --md-on-primary: #ffffff;
    --md-surface: #ffffff;
    --md-on-surface: #1c1b1f;
    --md-surface-variant: #f4f2f6;
    --md-outline: #79747e;
    --md-background: #fffbff;
    --md-on-background: #1c1b1f;
    --md-error: #ba1a1a;
    --md-success: #26b050;
    
    /* Elevaciones Material */
    --md-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.15), 0px 1px 2px 0px rgba(0, 0, 0, 0.30);
    --md-elevation-2: 0px 2px 6px 2px rgba(0, 0, 0, 0.15), 0px 1px 2px 0px rgba(0, 0, 0, 0.30);
    
    /* Bordes (Shape) */
    --md-radius: 12px;
    --md-radius-button: 20px;
}

@media (prefers-color-scheme: dark) {
    :root {
        /* Inspirado en Google Search Dark Mode */
        --md-primary: #8ab4f8;
        --md-on-primary: #202124;
        --md-surface: #303134;
        --md-on-surface: #e8eaed;
        --md-surface-variant: #3c4043;
        --md-outline: #5f6368;
        --md-background: #202124;
        --md-on-background: #e8eaed;
        --md-error: #f28b82;
        --md-success: #81c995;
        
        --md-elevation-1: 0px 1px 3px 1px rgba(0, 0, 0, 0.4), 0px 1px 2px 0px rgba(0, 0, 0, 0.6);
        --md-elevation-2: 0px 2px 6px 2px rgba(0, 0, 0, 0.4), 0px 1px 2px 0px rgba(0, 0, 0, 0.6);
    }
}

/* Modo Oscuro Forzado por Clase (Fallback/Toggle) */
body.dark-mode {
    --md-primary: #8ab4f8;
    --md-on-primary: #202124;
    --md-surface: #303134;
    --md-on-surface: #e8eaed;
    --md-surface-variant: #3c4043;
    --md-outline: #5f6368;
    --md-background: #202124;
    --md-on-background: #e8eaed;
    --md-error: #f28b82;
    --md-success: #81c995;
}

html, body {
    font-family: 'Roboto', 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--md-background);
    color: var(--md-on-background);
    margin: 0;
    padding: 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

a, .btn-link {
    color: var(--md-primary);
    text-decoration: none;
    transition: color 0.2s ease;
}

a:hover, .btn-link:hover {
    filter: brightness(0.85);
}

/* Tipografía Material y Botones */
.btn {
    border-radius: var(--md-radius-button);
    padding: 0.5rem 1.5rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    border: 1px solid transparent;
    transition: all 0.2s ease-in-out;
}

.btn-primary {
    color: var(--md-on-primary);
    background-color: var(--md-primary);
    box-shadow: var(--md-elevation-1);
}

.btn-primary:hover {
    box-shadow: var(--md-elevation-2);
    color: var(--md-on-primary);
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.2rem color-mix(in srgb, var(--md-primary) 30%, transparent);
    outline: none;
}

/* Formularios (Estilo Outline de MD3) */
.form-control {
    background-color: var(--md-surface);
    color: var(--md-on-surface);
    border: 1px solid var(--md-outline);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    border-color: var(--md-primary);
    background-color: var(--md-surface);
    color: var(--md-on-surface);
}

/* Cards y DataGrids / Tablas */
.card {
    background-color: var(--md-surface);
    color: var(--md-on-surface);
    border-radius: var(--md-radius);
    border: 1px solid var(--md-surface-variant);
    box-shadow: var(--md-elevation-1);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.table {
    width: 100%;
    color: var(--md-on-surface);
    border-collapse: collapse;
}

.table th, .table td {
    padding: 1rem;
    border-bottom: 1px solid var(--md-surface-variant);
}

.content {
    padding-top: 1.1rem;
}

h1:focus {
    outline: none;
}

/* Estados de Validación Blazor */
.valid.modified:not([type=checkbox]) {
    outline: 2px solid var(--md-success);
    border-color: transparent;
}

.invalid {
    outline: 2px solid var(--md-error);
    border-color: transparent;
}

.validation-message {
    color: var(--md-error);
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.blazor-error-boundary {
    background: url(data:image/svg+xml;base64,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) no-repeat 1rem/1.8rem, var(--md-error);
    padding: 1rem 1rem 1rem 3.7rem;
    color: white;
    border-radius: var(--md-radius);
    box-shadow: var(--md-elevation-1);
}

.blazor-error-boundary::after {
    content: "An error has occurred."
}

.darker-border-checkbox.form-check-input {
    border-color: var(--md-outline);
}

.form-floating > .form-control-plaintext::placeholder, .form-floating > .form-control::placeholder {
    color: var(--md-outline);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder, .form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Ajustes estándar para Sidebar / Navegación Blazor (Responsividad) */
.sidebar {
    background-color: var(--md-background) !important; /* Unificar fondo para mayor amplitud visual */
    background-image: none !important; /* Elimina el gradiente por defecto de Blazor */
    border-right: 1px solid var(--md-outline);
    color: var(--md-on-surface);
}

.top-row {
    background-color: color-mix(in srgb, var(--md-surface) 85%, transparent) !important; /* Glassmorphism premium */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    background-image: none !important;
    border-bottom: 1px solid var(--md-outline);
    box-shadow: none; /* Quitamos sombras pesadas en header */
    color: var(--md-on-surface);
}

.top-row a, .top-row .btn-link {
    color: var(--md-on-surface);
}

/* Estilos específicos para el NavMenu (Sobrescribiendo el CSS Aislado) */
.navbar-brand {
    color: var(--md-primary) !important;
    font-weight: 500;
}

.sidebar .nav-item {
    margin-bottom: 0.25rem;
}

.sidebar .nav-link {
    color: var(--md-on-surface) !important;
    border-radius: var(--md-radius);
    margin: 0 0.75rem;
    padding: 0.75rem 1rem;
    transition: background-color 0.2s ease, color 0.2s ease;
    display: flex;
    align-items: center;
}

.sidebar .nav-link:hover {
    background-color: color-mix(in srgb, var(--md-on-surface) 8%, transparent) !important;
    color: var(--md-primary) !important;
}

.sidebar .nav-link.active {
    background-color: color-mix(in srgb, var(--md-primary) 12%, transparent) !important;
    color: var(--md-primary) !important;
    font-weight: 600;
}

/* ==========================================================================
   SISTEMA DE DISEÑO TOMIN (Premium Tech FinTech - Dual Theme)
   ========================================================================== */
:root {
    /* Modo Claro Premium (Por Defecto) */
    --tomin-bg: #F8FAFC;       /* Slate 50 - Fondo limpio y espacioso */
    --tomin-surface: #FFFFFF;  /* Blanco puro para tarjetas */
    --tomin-primary: #4F46E5;  /* Índigo 600 - Excelente contraste en claro */
    --tomin-success: #059669;  /* Esmeralda 600 */
    --tomin-error: #DC2626;    /* Rojo 600 */
    --tomin-border: 1px solid rgba(0, 0, 0, 0.08);
    --tomin-radius: 12px;
    --tomin-glow: 0 1px 3px 0 rgba(0, 0, 0, 0.05);
}

/* Sobrescribir variables de diseño en Modo Oscuro */
body.dark-mode {
    --tomin-bg: #0A0D11;
    --tomin-surface: #13171F;
    --tomin-primary: #6366F1; /* Índigo neón */
    --tomin-success: #10B981; /* Esmeralda neón */
    --tomin-error: #EF4444;   /* Rojo neón */
    --tomin-border: 1px solid rgba(255, 255, 255, 0.08);
    --tomin-glow: inset 0 1px 0 0 rgba(255, 255, 255, 0.05);
}

/* Overrides Globales de MudBlazor */
.mud-card, .mud-table {
    background-color: var(--tomin-surface) !important;
    border: var(--tomin-border) !important;
    border-radius: var(--tomin-radius) !important;
    box-shadow: var(--tomin-glow) !important;
}

.text-financial-positive {
    color: var(--tomin-success) !important;
    font-weight: 600;
}

.text-financial-negative {
    color: var(--tomin-error) !important;
    font-weight: 600;
}

.mud-nav-link.active {
    background-color: color-mix(in srgb, var(--tomin-primary) 12%, transparent) !important;
    color: var(--tomin-primary) !important;
    border-left: 3px solid var(--tomin-primary) !important;
    font-weight: 600;
}

/* Gamification & Premium Cards */
.tomin-card-premium {
    background-color: var(--tomin-surface);
    border: var(--tomin-border);
    box-shadow: var(--tomin-glow);
    border-radius: var(--tomin-radius);
}

/* Heatmaps Financieros */
.mud-chip.tomin-heat-max {
    background-color: rgba(99, 102, 241, 0.1) !important;
    border: 1px solid rgba(99, 102, 241, 0.3) !important;
}

.mud-chip.tomin-heat-max .mud-chip-content {
    color: var(--tomin-primary) !important;
    font-weight: 600 !important;
}

.mud-chip.tomin-heat-medium {
    background-color: rgba(99, 102, 241, 0.05) !important;
    border: 1px solid rgba(99, 102, 241, 0.2) !important;
}

.mud-chip.tomin-heat-medium .mud-chip-content {
    color: var(--tomin-primary) !important;
    opacity: 0.8;
}

.mud-chip.tomin-heat-low {
    background-color: var(--tomin-bg) !important;
    border: var(--tomin-border) !important;
}

.mud-chip.tomin-heat-low .mud-chip-content {
    color: var(--md-outline) !important;
}

/* Gamification & Progress (Inversiones) */
.tomin-progress-whale {
    height: 12px !important;
    background-color: rgba(0, 0, 0, 0.05) !important;
}

body.dark-mode .tomin-progress-whale {
    background-color: rgba(255, 255, 255, 0.05) !important;
}

.tomin-progress-whale .mud-progress-linear-bar {
    background: linear-gradient(90deg, var(--tomin-primary), #00E5FF) !important;
}

.tomin-glow-medal {
    filter: drop-shadow(0 0 6px rgba(99, 102, 241, 0.4));
    color: var(--tomin-primary) !important;
}

/* Text Heatmaps */
.text-financial-positive.tomin-text-heat-max {
    color: var(--tomin-success) !important;
    font-weight: 700;
}

.text-financial-positive.tomin-text-heat-medium {
    opacity: 0.85;
}

.text-financial-positive.tomin-text-heat-low {
    opacity: 0.6;
    font-weight: 500;
}

/* Portfolio Explorer Dialog Layout */
.tomin-portfolio-container {
    display: flex;
    flex-direction: row;
    height: 100vh;
    width: 100vw;
    background-color: var(--tomin-bg);
}
.tomin-portfolio-sidebar {
    width: 350px;
    background-color: var(--tomin-surface);
    border-right: var(--tomin-border);
    overflow-y: auto;
}
.tomin-portfolio-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}
@media (max-width: 960px) {
    .tomin-portfolio-container {
        flex-direction: column;
    }
    .tomin-portfolio-sidebar {
        width: 100%;
        height: 45%;
        border-right: none;
        border-bottom: var(--tomin-border);
    }
}

/* Layout Premium Tech (Sticky Footer) */
.tomin-main-content {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.tomin-content-wrapper {
    flex-grow: 1;
}

/* Footer Premium Tech */
.tomin-footer-premium {
    background-color: var(--tomin-surface) !important;
    border-top: var(--tomin-border) !important;
    padding: 2rem 1rem;
    margin-top: auto;
}

.tomin-footer-premium .mud-typography {
    color: var(--md-outline);
}

.tomin-footer-premium .tomin-footer-title {
    color: var(--md-on-surface) !important; /* Dinámico según el tema */
}

.tomin-footer-premium a {
    color: var(--md-outline) !important;
    transition: color 0.2s ease;
}

.tomin-footer-premium a:hover {
    color: var(--tomin-primary) !important;
}

.mud-container--gutters {
    padding-bottom: 1rem;
}

/* Transacciones Pagadas */
.tomin-txn-paid {
    background-color: rgba(0, 0, 0, 0.02) !important;
    transition: background-color 0.3s ease;
}

body.dark-mode .tomin-txn-paid {
    background-color: rgba(255, 255, 255, 0.04) !important;
}

/* ==========================================================================
   BUG FIX: MudSelect / Popovers en Modales (Catálogos y Dropdowns)
   ========================================================================== */
/* Forzar que el Select respete el límite de su grid contenedor */
.mud-dialog .mud-select {
    width: 100%;
}

/* Prevenir scroll horizontal interno si el contenido calculado falla */
.mud-select-popover {
    overflow-x: hidden !important;
}

/* Truncamiento seguro para textos largos en dropdowns (Ej. Nombres de Instituciones) */
.mud-select-popover .mud-list-item-text {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
}

/* Evitar que avatares o logos dentro del Select rompan el flexbox */
.mud-select-popover .mud-list-item .mud-avatar,
.mud-select-popover .mud-list-item img {
    flex-shrink: 0;
}

/* Estabilizar la barra de desplazamiento interna del modal */
.mud-dialog-content {
    scrollbar-gutter: stable;
}

/* Prevenir Jitter Vertical: Fuerza un espacio mínimo para que los textos de validación no hagan "brincar" el modal */
.mud-dialog .mud-input-control-helper-container {
    min-height: 22px !important;
}

/* ==========================================================================
   UTILIDADES Y COMPONENTES ESPECÍFICOS (Centro de Salud Financiera)
   ========================================================================== */
.position-relative {
    position: relative !important;
}

.absolute-center {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.bg-health-center {
    background-color: rgba(99, 102, 241, 0.03) !important;
    border: var(--tomin-border) !important;
    transition: background-color 0.3s ease;
}

body.dark-mode .bg-health-center {
    background-color: #050709 !important;
    box-shadow: inset 0 0 40px rgba(0,0,0,0.5) !important;
}

/* Scope protector: Solo blanquea el texto secundario si está en modo oscuro */
body.dark-mode .bg-health-center .mud-secondary-text,
body.dark-mode .bg-health-center .mud-text-secondary {
    color: #f7f7f7 !important;
}