/* OIG Screening Dashboard — Ark-La-Tex OMS
   Brand colors from the existing email template:
   Navy:  #1B3A6B   (primary)
   Green: #2E7D32   (success / all-clear)
   Red:   #D32F2F   (alert / review-required)
   Gold:  #F9A825   (warning / near-miss)
*/

:root {
  --navy: #1B3A6B;
  --navy-light: #2A4F8A;
  --navy-dark: #0F2647;
  --green: #2E7D32;
  --green-light: #E8F5E9;
  --red: #D32F2F;
  --red-light: #FFF3F3;
  --gold: #F9A825;
  --gold-light: #FFF8E1;
  --gray-50: #FAFAFA;
  --gray-100: #F5F5F5;
  --gray-200: #EEEEEE;
  --gray-300: #E0E0E0;
  --gray-400: #BDBDBD;
  --gray-500: #9E9E9E;
  --gray-600: #757575;
  --gray-700: #616161;
  --gray-800: #424242;
  --gray-900: #212121;
  --radius: 8px;
  --shadow: 0 1px 3px rgba(0,0,0,0.1), 0 1px 2px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  color: var(--gray-800);
  background: var(--gray-100);
  line-height: 1.5;
  font-size: 15px;
}

a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- Layout ---- */

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 240px;
  background: var(--navy);
  color: white;
  padding: 0;
  position: fixed;
  top: 0;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  z-index: 100;
}

.sidebar-brand {
  padding: 24px 20px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-brand h1 {
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.sidebar-brand p {
  font-size: 11px;
  color: rgba(255,255,255,0.6);
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  padding: 12px 0;
}

.sidebar-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  color: rgba(255,255,255,0.75);
  font-size: 14px;
  font-weight: 500;
  transition: background 0.15s, color 0.15s;
  text-decoration: none;
}

.sidebar-nav a:hover {
  background: rgba(255,255,255,0.08);
  color: white;
  text-decoration: none;
}

.sidebar-nav a.active {
  background: rgba(255,255,255,0.12);
  color: white;
  border-right: 3px solid white;
}

.sidebar-nav .nav-icon {
  width: 20px;
  text-align: center;
  font-size: 16px;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid rgba(255,255,255,0.1);
  font-size: 12px;
  color: rgba(255,255,255,0.5);
}

.sidebar-footer a {
  color: rgba(255,255,255,0.6);
  font-size: 12px;
}

.main {
  margin-left: 240px;
  flex: 1;
  padding: 32px 40px;
  max-width: 1200px;
}

/* ---- Page Header ---- */

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}

.page-header h2 {
  font-size: 22px;
  font-weight: 700;
  color: var(--gray-900);
}

.page-header .subtitle {
  font-size: 14px;
  color: var(--gray-600);
  margin-top: 2px;
}

/* ---- Cards ---- */

.card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 24px;
  margin-bottom: 20px;
}

.card-header {
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-600);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 12px;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}

.stat-card {
  background: white;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px 24px;
}

.stat-card .stat-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.stat-card .stat-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--gray-900);
  margin-top: 4px;
}

.stat-card .stat-detail {
  font-size: 13px;
  color: var(--gray-500);
  margin-top: 2px;
}

.stat-card.green { border-left: 4px solid var(--green); }
.stat-card.red { border-left: 4px solid var(--red); }
.stat-card.navy { border-left: 4px solid var(--navy); }
.stat-card.gold { border-left: 4px solid var(--gold); }

/* ---- Status Banner ---- */

.status-banner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  font-size: 15px;
  font-weight: 600;
}

.status-banner.all-clear {
  background: var(--green-light);
  color: var(--green);
  border: 1px solid #A5D6A7;
}

.status-banner.review-required {
  background: var(--red-light);
  color: var(--red);
  border: 1px solid #EF9A9A;
}

.status-banner.no-data {
  background: var(--gray-100);
  color: var(--gray-600);
  border: 1px solid var(--gray-300);
}

.status-banner .status-icon {
  font-size: 24px;
}

.status-banner .status-detail {
  font-size: 13px;
  font-weight: 400;
  margin-top: 2px;
}

/* ---- Tables ---- */

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  background: white;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

thead th {
  background: var(--gray-50);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.4px;
  border-bottom: 2px solid var(--gray-200);
  white-space: nowrap;
}

tbody td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--gray-200);
  color: var(--gray-800);
}

tbody tr:hover {
  background: var(--gray-50);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* ---- Status Dot ---- */

.status-dot {
  display: inline-block;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  margin-right: 6px;
}

.status-dot.green { background: var(--green); }
.status-dot.yellow { background: var(--gold); }
.status-dot.red { background: var(--red); }
.status-dot.gray { background: var(--gray-400); }

/* ---- Tabs ---- */

.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--gray-200);
  margin-bottom: 20px;
}

.tab-bar a {
  padding: 10px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--gray-600);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: color 0.15s, border-color 0.15s;
}

.tab-bar a:hover {
  color: var(--navy);
  text-decoration: none;
}

.tab-bar a.active {
  color: var(--navy);
  border-bottom-color: var(--navy);
  font-weight: 600;
}

/* ---- Buttons ---- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: opacity 0.15s;
  text-decoration: none;
  line-height: 1.4;
}

.btn:hover { opacity: 0.85; text-decoration: none; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-navy { background: var(--navy); color: white; }
.btn-green { background: var(--green); color: white; }
.btn-red { background: var(--red); color: white; }
.btn-outline {
  background: white;
  color: var(--gray-700);
  border: 1px solid var(--gray-300);
}
.btn-outline:hover { background: var(--gray-50); }
.btn-sm { padding: 5px 12px; font-size: 13px; }

/* ---- Forms ---- */

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 4px;
}

.form-group label .required {
  color: var(--red);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 9px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 14px;
  font-family: inherit;
  color: var(--gray-800);
  background: white;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27, 58, 107, 0.1);
}

.form-group .hint {
  font-size: 12px;
  color: var(--gray-500);
  margin-top: 3px;
}

.form-group textarea {
  height: 60px;
  resize: vertical;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

/* ---- Flash Messages ---- */

.flash {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 20px;
  font-size: 14px;
  font-weight: 500;
}

.flash.success {
  background: var(--green-light);
  color: var(--green);
  border: 1px solid #A5D6A7;
}

.flash.error {
  background: var(--red-light);
  color: var(--red);
  border: 1px solid #EF9A9A;
}

.flash.info {
  background: #E3F2FD;
  color: #1565C0;
  border: 1px solid #90CAF9;
}

/* ---- Login Page ---- */

.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: linear-gradient(135deg, var(--navy-dark) 0%, var(--navy) 100%);
}

.login-box {
  background: white;
  border-radius: 12px;
  padding: 40px;
  width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.15);
  text-align: center;
}

.login-box h1 {
  font-size: 18px;
  color: var(--navy);
  margin-bottom: 4px;
}

.login-box .login-subtitle {
  font-size: 13px;
  color: var(--gray-500);
  margin-bottom: 28px;
}

.login-box input {
  width: 100%;
  padding: 11px 14px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 15px;
  margin-bottom: 16px;
  text-align: center;
  letter-spacing: 1px;
}

.login-box input:focus {
  outline: none;
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27,58,107,0.1);
}

.login-box .btn {
  width: 100%;
  justify-content: center;
  padding: 12px;
  font-size: 15px;
}

/* ---- Match Tier Badges ---- */

.tier-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.tier-badge.exact-hit { background: var(--red-light); color: var(--red); }
.tier-badge.likely-hit { background: var(--red-light); color: var(--red); }
.tier-badge.fuzzy-hit { background: var(--gold-light); color: #F57F17; }
.tier-badge.near-miss { background: var(--gray-100); color: var(--gray-600); }

/* ---- Responsive (for tablets) ---- */

@media (max-width: 900px) {
  .sidebar { display: none; }
  .main { margin-left: 0; padding: 20px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .form-row-3 { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .card-grid { grid-template-columns: 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; gap: 12px; }
}