/* Modern Light Theme for Audit Application */
:root {
  --primary-color: #007BFF; /* A professional blue */
  --secondary-color: #6c757d; /* A neutral gray */
  --light-gray: #f8f9fa;
  --white: #ffffff;
  --dark-text: #212529;
  --border-color: #dee2e6;
  --font-family-sans-serif: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

body {
  font-family: var(--font-family-sans-serif);
  background-color: var(--light-gray);
  color: var(--dark-text);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
  padding: 0;
}

/* --- Navigation --- */
.navbar {
  background-color: var(--white) !important;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

.navbar-brand {
  font-weight: 600;
  font-size: 1.5rem;
  color: var(--dark-text) !important;
}

.navbar-logo {
  height: 40px;
}

.nav-link {
  color: var(--dark-text) !important;
  font-weight: 500;
}

.nav-link:hover {
  color: var(--primary-color) !important;
}

/* --- Layout & Cards --- */
.container, .container-fluid {
  padding-top: 2rem;
  padding-bottom: 2rem;
}

.card {
  background-color: var(--white);
  border: 1px solid var(--border-color);
  border-radius: 0.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  margin-bottom: 1.5rem;
}

.card-header {
  background-color: var(--light-gray);
  font-weight: 600;
  font-size: 1.2rem;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.card-body {
  padding: 1.5rem;
}

/* --- Buttons --- */
.btn {
  font-weight: 600;
  border-radius: 0.375rem;
  padding: 0.6rem 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all 0.2s ease-in-out;
}

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

.btn-primary:hover {
  opacity: 0.9;
}

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

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

/* --- Forms --- */
.form-label {
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.form-control, .form-select {
  border-radius: 0.375rem;
  border: 1px solid var(--border-color);
  padding: 0.6rem 1rem;
  background-color: var(--white);
  color: var(--dark-text);
}

.form-control:focus, .form-select:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.25rem rgba(0, 123, 255, 0.25);
}

/* --- Tables --- */
.table {
  background-color: var(--white);
  color: var(--dark-text);
  border-collapse: separate;
  border-spacing: 0;
}

.table thead th {
  background-color: var(--light-gray);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 2px solid var(--border-color);
}

.table tbody tr:hover {
  background-color: rgba(0, 123, 255, 0.05);
}

.table td, .table th {
  vertical-align: middle;
}

/* --- Utility & Specifics --- */
.page-title {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.section-header {
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    background-color: var(--primary-color);
    color: var(--white);
    border-radius: 0.375rem;
}

a {
    color: var(--primary-color);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}