:root {
    --nordic-primary: #003366;
    --nordic-secondary: #0066b3;
    --nordic-accent: #00a3e0;
    --nordic-light: #e8f4fd;
}

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

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

.border-nordic {
    border-color: var(--nordic-primary) !important;
}

.btn-nordic {
    background-color: var(--nordic-primary);
    border-color: var(--nordic-primary);
    color: #fff;
}

.btn-nordic:hover {
    background-color: var(--nordic-secondary);
    border-color: var(--nordic-secondary);
    color: #fff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f8f9fa;
}

.card-header.bg-nordic {
    border-bottom: 3px solid var(--nordic-accent);
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85);
}

.navbar-dark .navbar-nav .nav-link:hover {
    color: #fff;
}

.form-control:focus,
.form-select:focus {
    border-color: var(--nordic-accent);
    box-shadow: 0 0 0 0.2rem rgba(0, 163, 224, 0.25);
}

.invalid-feedback {
    font-size: 0.85em;
}

/* Campos obligatorios */
.required-label::after {
    content: " *";
    color: #dc3545;
    font-weight: 700;
}

.campo-obligatorio .form-control,
.campo-obligatorio .form-select {
    border-left: 3px solid var(--nordic-accent);
}

.campo-obligatorio .form-control:focus,
.campo-obligatorio .form-select:focus {
    border-left: 3px solid var(--nordic-primary);
}

.campo-obligatorio .form-control.is-invalid,
.campo-obligatorio .form-select.is-invalid {
    border-left: 3px solid #dc3545;
}

.leyenda-obligatorio {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #6c757d;
    background: #fff;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 4px 12px;
}

.leyenda-obligatorio .indicador {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-left: 3px solid var(--nordic-accent);
    border: 1px solid #dee2e6;
    border-left: 3px solid var(--nordic-accent);
    border-radius: 2px;
}

/* Placeholders más sutiles */
.form-control::placeholder,
.form-select::placeholder {
    color: #c0c5cb;
    opacity: 1;
    font-style: italic;
    font-weight: 300;
}

.table th {
    white-space: nowrap;
}