:root {
    /* New Contrast Palette Definition */
    --pale-gray: #EDF2F4;
    --navy-light: #415A77;
    --navy-base: #1B263B;
    --navy-deep: #0D1B2A; /* Texto Navy Blue Profundo */

    --dark-bg: #0B0C10;
    --dark-card: #1F2833;
    
    /* Base Light Theme Variables (New High Contrast) */
    --primary-color: var(--navy-base);
    --primary-hover: var(--navy-deep);
    --accent-color: #E63946; /* Color acento sutil para dinamizar (Opcional) */
    --accent-hover: #D62828;
    --success-color: #2D6A4F; 
    --warning-color: #FCA311; 
    --danger-color: #D62828; 
    --bg-color: var(--pale-gray); /* Fondo Gris Frío / Azul muy pálido solicitado */
    --card-bg: #ffffff;
    --text-main: var(--navy-deep); /* Texto Azul Marino Profundo */
    --text-muted: var(--navy-light);
    --border-color: rgba(27, 38, 59, 0.15); /* Definición de borde en tono oscuro para resaltar esquinas */
    --navbar-bg: #ffffff;
    --nav-link-color: var(--navy-light);

    /* Bootstrap Core Overrides */
    --bs-primary: var(--navy-base);
    --bs-primary-rgb: 27, 38, 59; 
}

[data-bs-theme="dark"] {
    /* Dark Mode High Contrast Definition */
    --primary-color: #6E85B7; /* Tono más brillante para contraste en fondo oscuro */
    --primary-hover: #B2C8DF;
    --accent-color: #F07167;
    --accent-hover: #FED9B7;
    
    --bg-color: #0D1B2A; /* Navy Blue profundo como fondo base */
    --card-bg: #1B263B;  /* Navy Intermedio para las tarjetas */
    --text-main: #FFFFFF; /* TEXTO BLANCO ABSOLUTO EN MODO OSCURO */
    --text-muted: #8D99AE;
    --border-color: #415A77;
    --navbar-bg: #0D1B2A;
    --nav-link-color: #E0E1DD;
    
    /* Bootstrap Core Overrides Dark */
    --bs-primary: #6E85B7;
    --bs-primary-rgb: 110, 133, 183;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-main);
}

/* Navbar updates */
.navbar {
    background-color: var(--navbar-bg) !important;
    border-bottom: 1px solid var(--border-color) !important;
    transition: all 0.3s;
}
.nav-link {
    color: var(--nav-link-color) !important;
    font-weight: 500;
    transition: color 0.2s ease;
}
.nav-link:hover, .nav-link.active {
    color: var(--primary-color) !important;
}

/* Buttons & Accent Overrides */
.btn-primary { 
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff !important;
    font-weight: 600;
    letter-spacing: 0.01em;
    box-shadow: 0 4px 12px rgba(27, 38, 59, 0.15);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}
.btn-primary:hover {
    background-color: var(--primary-hover);
    border-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 16px rgba(27, 38, 59, 0.25);
}

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

/* Asegurar colores de enlaces y alertas por defecto */
a { color: var(--primary-color); text-decoration: none; }
a:hover { color: var(--primary-hover); }

/* Cards & Surfaces */
.glass-card {
    position: relative; /* Necesario para posicionar las uñas */
    background: var(--card-bg);
    border: 2px solid var(--border-color); 
    border-radius: 1.25rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.02);
    transition: all 0.3s ease;
}

/* Sistema de Uñas Geométricas Avanzado con Degradado Interior */
.corner-accent {
    position: absolute;
    width: 35px; 
    height: 35px;
    border: 2px solid var(--navy-deep); /* Máxima sutileza de trazado */
    pointer-events: none;
    z-index: 10;
}
[data-bs-theme="dark"] .corner-accent {
    border-color: #FFFFFF; 
}

/* Posicionamiento INTERIOR y Máscara de Degradado que nace en la esquina */
.c-tl { 
    top: 6px; left: 6px; 
    border-right: 0; border-bottom: 0; 
    border-top-left-radius: 0.75rem;
    -webkit-mask-image: radial-gradient(circle at top left, black 30%, transparent 90%);
    mask-image: radial-gradient(circle at top left, black 30%, transparent 90%);
}
.c-tr { 
    top: 6px; right: 6px; 
    border-left: 0; border-bottom: 0; 
    border-top-right-radius: 0.75rem;
    -webkit-mask-image: radial-gradient(circle at top right, black 30%, transparent 90%);
    mask-image: radial-gradient(circle at top right, black 30%, transparent 90%);
}
.c-bl { 
    bottom: 6px; left: 6px; 
    border-right: 0; border-top: 0; 
    border-bottom-left-radius: 0.75rem;
    -webkit-mask-image: radial-gradient(circle at bottom left, black 30%, transparent 90%);
    mask-image: radial-gradient(circle at bottom left, black 30%, transparent 90%);
}
.c-br { 
    bottom: 6px; right: 6px; 
    border-left: 0; border-top: 0; 
    border-bottom-right-radius: 0.75rem;
    -webkit-mask-image: radial-gradient(circle at bottom right, black 30%, transparent 90%);
    mask-image: radial-gradient(circle at bottom right, black 30%, transparent 90%);
}

[data-bs-theme="dark"] .glass-card {
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
}
.glass-card:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.06), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
}

/* Table Overrides */
.table {
    color: var(--text-main);
}
.table-hover tbody tr:hover {
    background-color: rgba(27, 38, 59, 0.03);
    color: var(--text-main);
}
thead.bg-light {
    background-color: rgba(27, 38, 59, 0.05) !important;
}
[data-bs-theme="dark"] thead.bg-light {
    background-color: rgba(255,255,255, 0.05) !important;
}

/* Badges & Badges custom */
.badge-soft-warning { background-color: #fef3c7; color: #92400e; }
[data-bs-theme="dark"] .badge-soft-warning { background-color: rgba(245,158,11,0.2); color: #fcd34d; }

/* Clases específicas de Perfil con Contraste Garantizado */
.badge-admin { background-color: var(--primary-color) !important; color: #ffffff !important; }
.badge-operador { background-color: var(--navy-light) !important; color: #ffffff !important; }
.badge-basico { background-color: #6c757d !important; color: #ffffff !important; }

/* Form Overrides */
.form-control, .form-select {
    background-color: var(--card-bg); /* Vuelve a dinámica inteligente */
    color: var(--text-main);
    border-color: var(--border-color);
    border-radius: 0.75rem;
    padding: 0.75rem 1rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}
.form-control:focus, .form-select:focus {
    background-color: var(--card-bg);
    color: var(--text-main);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px rgba(27, 38, 59, 0.1);
}
.form-control.bg-light {
    background-color: rgba(0,0,0,0.03) !important;
}
[data-bs-theme="dark"] .form-control.bg-light {
    background-color: rgba(255,255,255,0.03) !important;
}

/* Custom Scrollbar (Warm) */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 10px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-color);
}

/* Mobile Bottom Navigation for Warm and Dark Mode */
.bottom-nav {
    background: var(--navbar-bg) !important;
    border-top: 1px solid var(--border-color) !important;
}
.bottom-nav .nav-link.active {
    color: var(--primary-color) !important;
}
.main-action .action-btn {
    width: 56px; height: 56px;
    display: flex; align-items: center; justify-content: center;
    margin-top: -28px;
    background: var(--primary-color) !important;
    color: #fff !important;
    box-shadow: 0 8px 16px rgba(27, 38, 59, 0.3) !important;
    border-radius: 50%;
    transition: transform 0.2s;
}

/* Modals Fix */
.modal-content {
    background-color: var(--card-bg);
    color: var(--text-main);
    border: 1px solid var(--border-color);
}
.modal-header.bg-light, .modal-footer.bg-light {
    background-color: rgba(0,0,0,0.02) !important;
}
[data-bs-theme="dark"] .modal-header.bg-light, 
[data-bs-theme="dark"] .modal-footer.bg-light {
    background-color: rgba(255,255,255,0.02) !important;
}
/* Botón de Acción Gigante Dinámico (Outline a Fill) */
.btn-giant-action {
    background-color: transparent !important;
    border: 2px dashed rgba(65, 90, 119, 0.4) !important; /* Estilo delineado moderno */
    color: #415A77 !important; /* Navy Light, mucho más claro que el negro base */
    transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
    border-radius: 1.25rem !important;
}
.btn-giant-action i {
    color: #415A77 !important;
    transition: transform 0.3s ease;
}
.btn-giant-action span {
    color: #415A77 !important;
}

.btn-giant-action:hover {
    background-color: #415A77 !important; /* Se llena de color al hover */
    border: 2px solid #415A77 !important;
    box-shadow: 0 15px 30px rgba(65, 90, 119, 0.15) !important;
    transform: translateY(-4px);
}
.btn-giant-action:hover i, 
.btn-giant-action:hover span {
    color: #FFFFFF !important;
}
.btn-giant-action:hover i {
    transform: scale(1.1) rotate(5deg);
}