:root {
    /* Global Design Tokens - High Contrast Enhanced */
    --primary: #1e3a8a; /* Strong Navy */
    --secondary: #4a5568; 
    --accent: #2563eb; 
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --background: #cbd5e1; /* Darker Gray-Blue Body */
    --card-bg: #ffffff;
    --item-bg: #f8fafc;
    --border: #94a3b8; /* Visible Borders */
    
    /* Layout & Spacing */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow: 0 15px 35px rgba(0, 0, 0, 0.2); /* Maximum Depth */
    --font-family: 'Inter', system-ui, -apple-system, sans-serif;
    
    /* Standard Colors for consistency */
    --primary-color: var(--primary);
    --secondary-color: var(--accent);
    --text-main: #000000;
    --text-muted: #1e3a8a;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-family);
    background-color: var(--background) !important;
    color: var(--text-main) !important;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    padding-bottom: 50px !important;
    overflow: visible !important;
    transition: background-color 0.3s ease, color 0.3s ease;
}

/* Common Card Style */
.card, .main-card, .auth-card {
    background: var(--card-bg) !important;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border) !important;
    padding: 2.5rem;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

/* Forced Legibility Rules (Brute Force) */
h1, h2, h3, p, span, div, td, .time-val, strong, b, .description-text {
    color: var(--text-main) !important;
    opacity: 1 !important;     /* Cero transparencia */
}

/* Institutional Labels */
.form-label, .label-text, .text-muted, label, h4, .content-label {
    color: var(--text-muted) !important;
    font-weight: 700 !important;
    opacity: 1 !important;
}

/* Unified Typography */
h1, h2, h3 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Form Elements */
.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-family: var(--font-family);
    font-size: 1rem;
    transition: all 0.2s ease;
    background-color: var(--item-bg);
    color: var(--text-main) !important;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Unified Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.8rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: none;
    gap: 8px;
    text-decoration: none;
    text-align: center;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background-color: #1e293b; /* Official Slate Dark */
    color: #ffffff !important;
}

.btn-primary:hover {
    background-color: #334155;
    box-shadow: 0 4px 12px rgba(30, 41, 59, 0.2);
}

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

.btn-success:hover {
    background-color: #059669;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.2);
}

.btn-danger {
    background-color: #dc3545;
    color: #ffffff !important;
}

.btn-secondary {
    background-color: #f1f5f9;
    color: #1e293b !important;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

/* Badges (Pills) */
.badge {
    padding: 0.5rem 1rem;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    text-align: center;
}

.badge-success { background: #d1fae5 !important; color: #064e3b !important; }
.badge-warning { background: #fef3c7 !important; color: #92400e !important; }
.badge-tomorrow { background: #dc3545 !important; color: #ffffff !important; }
.badge-danger { background: #dc3545 !important; color: #ffffff !important; }
.badge-info { background: #e0f2fe !important; color: #0369a1 !important; }

@media (max-width: 768px) {
    .card, .main-card, .auth-card {
        padding: 1.5rem;
    }
}

/* =========================================
   MODO OSCURO GLOBAL (TEMA DARK)
   ========================================= */

:root[data-theme="dark"] {
    --background: #0f172a; /* Fondo ultra oscuro */
    --card-bg: #1e293b; /* Tarjetas oscuras */
    --item-bg: #334155; /* Inputs oscuros */
    --border: #475569; /* Bordes suaves */
    
    /* Inversion de textos para Modo Oscuro */
    --text-main: #f8fafc; /* Texto principal blanco */
    --text-muted: #93c5fd; /* Azul clarito para los textos secundarios/labels */
}

/* Componentes especificos que necesitan ajuste forzado en modo oscuro */
:root[data-theme="dark"] .navbar,
:root[data-theme="dark"] .main-footer,
:root[data-theme="dark"] .hub-card,
:root[data-theme="dark"] .ajuste-card,
:root[data-theme="dark"] .evidence-item {
    background-color: var(--card-bg) !important;
    border-color: var(--border) !important;
}

:root[data-theme="dark"] .search-input {
    background-color: var(--item-bg) !important;
    color: var(--text-main) !important;
    border-color: var(--border) !important;
}

/* =========================================
   BOTON FLOTANTE TEMA GLOBAL
   ========================================= */
.btn-floating-theme {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--primary);
    color: #ffffff !important;
    border: none;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    font-size: 1.5rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    transition: transform 0.2s ease, background-color 0.2s ease;
}

.btn-floating-theme:hover {
    transform: scale(1.1);
    background: var(--accent);
}

:root[data-theme="dark"] .btn-floating-theme {
    background: #f59e0b; /* Amarillo/naranja en modo oscuro */
    color: #000 !important;
}

/* =========================================
   NUEVOS ESTILOS UNIVERSALES: NAVBAR Y FOOTER
   ========================================= */
.navbar-universal { 
    background: var(--card-bg, #ffffff); 
    border-bottom: 1px solid var(--border, #e2e8f0); 
    padding: 0 2.5rem; 
    display: flex; 
    justify-content: space-between; 
    align-items: center; 
    position: sticky; 
    top: 0; 
    z-index: 1000; 
    width: 100%; 
    min-height: 70px; 
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05); 
    transition: background-color 0.3s, border-color 0.3s; 
    box-sizing: border-box;
}

.navbar-brand { display: flex; align-items: center; text-decoration: none; }
.brand-logo-left { height: 45px; width: auto; object-fit: contain; transition: transform 0.2s ease; }
.navbar-brand:hover .brand-logo-left { transform: scale(1.05); }

.navbar-right { display: flex; align-items: center; gap: 15px; }

/* Separadores visuales */
.navbar-divider {
    height: 35px;
    width: 1px;
    background-color: var(--border, #e2e8f0);
    margin: 0 5px;
    transition: background-color 0.3s;
}

/* Avatar del Usuario */
.user-avatar {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--primary, #1e3a8a);
    color: #ffffff !important; /* Fuerza color blanco siempre */
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.user-info-container { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.user-name-text { font-size: 0.85rem; font-weight: 700; color: var(--text-main, #000000) !important; line-height: 1.2; transition: color 0.3s;}

.role-badge { padding: 2px 8px; border-radius: 6px; font-size: 0.65rem; font-weight: 800; text-transform: uppercase; letter-spacing: 0.05em; border: 1px solid transparent; margin-top: 2px; display: inline-block;}
.badge-admin { background: #fee2e2; color: #dc2626 !important; border-color: #fecaca; }
.badge-dir { background: #fef9c3; color: #a16207 !important; border-color: #fef08a; }
.badge-control { background: #dcfce7; color: #166534 !important; border-color: #bbf7d0; }
.badge-op { background: #ffedd5; color: #c2410c !important; border-color: #fed7aa; }
.badge-comun { background: #eff6ff; color: #1d4ed8 !important; border-color: #bfdbfe; }

.user-buttons { display: flex; gap: 10px; align-items: center; }
.btn-perfil { font-size: 0.8rem; font-weight: 700; color: #1e3a8a !important; background: #eff6ff; border: 1.5px solid #bfdbfe; border-radius: 99px; padding: 8px 18px; text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: all 0.2s ease; white-space: nowrap; }
.btn-perfil:hover { background: #dbeafe; border-color: #3b82f6; transform: translateY(-1px); }
.btn-volver { background: var(--card-bg, #ffffff); color: var(--text-muted, #1e3a8a) !important; border-color: var(--border, #e2e8f0); }
.btn-volver:hover { background: var(--background, #cbd5e1); color: var(--text-main, #000000) !important; }

.btn-logout { font-size: 0.8rem; font-weight: 700; color: #dc2626 !important; background: #fff1f2; border: 1.5px solid #fecaca; border-radius: 99px; padding: 8px 18px; text-decoration: none; display: inline-flex; align-items: center; transition: all 0.2s ease; white-space: nowrap; }
.btn-logout:hover { background: #fee2e2; border-color: #fca5a5; transform: translateY(-1px); }
.brand-logo-right { height: 45px; width: auto; object-fit: contain; }

.footer-universal { width: 100%; background-color: var(--card-bg, #ffffff); border-top: 3px solid var(--primary); box-shadow: 0 -2px 10px rgba(0,0,0,0.06); margin-top: auto; transition: background-color 0.3s; }
.btn-toggle-theme { background: transparent; border: 1px solid var(--border, #e2e8f0); color: var(--text-main) !important; width: 36px; height: 36px; border-radius: 50%; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; font-size: 1.1rem; transition: all 0.2s; margin-right: 5px; }
.btn-toggle-theme:hover { background: var(--item-bg); }

/* MODO OSCURO NAVBAR/FOOTER */
:root[data-theme="dark"] .navbar-universal { background-color: var(--card-bg) !important; border-color: var(--border) !important; }
:root[data-theme="dark"] .navbar-divider { background-color: var(--border, #334155); }
:root[data-theme="dark"] .user-name-text { color: var(--text-main) !important; }
:root[data-theme="dark"] .btn-toggle-theme { color: #f59e0b !important; border-color: var(--border, #334155); }
:root[data-theme="dark"] .btn-toggle-theme:hover { background: var(--item-bg); }
:root[data-theme="dark"] .btn-perfil { background: #1e3a8a; color: #eff6ff !important; border-color: #3b82f6; }
:root[data-theme="dark"] .btn-perfil:hover { background: #1d4ed8; }
:root[data-theme="dark"] .btn-volver { background: var(--card-bg, #1e293b); color: var(--text-muted, #93c5fd) !important; border-color: var(--border, #334155); }
:root[data-theme="dark"] .btn-volver:hover { background: var(--background, #0f172a); color: var(--text-main, #f8fafc) !important; }
:root[data-theme="dark"] .btn-logout { background: #7f1d1d; color: #fecaca !important; border-color: #ef4444; }
:root[data-theme="dark"] .btn-logout:hover { background: #991b1b; }
:root[data-theme="dark"] .badge-admin { background: rgba(220, 38, 38, 0.15); color: #f87171 !important; border-color: rgba(248, 113, 113, 0.3); }
:root[data-theme="dark"] .badge-dir { background: rgba(234, 179, 8, 0.15); color: #facc15 !important; border-color: rgba(250, 204, 21, 0.3); }
:root[data-theme="dark"] .badge-control { background: rgba(22, 163, 74, 0.15); color: #4ade80 !important; border-color: rgba(74, 222, 128, 0.3); }
:root[data-theme="dark"] .badge-op { background: rgba(249, 115, 22, 0.15); color: #fb923c !important; border-color: rgba(251, 146, 60, 0.3); }
:root[data-theme="dark"] .badge-comun { background: rgba(59, 130, 246, 0.15); color: #60a5fa !important; border-color: rgba(96, 165, 250, 0.3); }
:root[data-theme="dark"] .footer-universal { background-color: var(--card-bg) !important; border-color: var(--border) !important;}

@media (max-width: 900px) {
    .navbar-universal { padding: 0 1rem; }
    .brand-logo-right { display: none; }
    .navbar-divider { display: none; }
    .user-avatar { display: none; }
    .user-info-container { display: none; } 
    .user-buttons { display: none; } 
}