:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --ink: #172033;
  --muted: #667085;
  --brand: #2854d8;
  --brand-dark: #173fae;
  --brand-soft: #eef4ff;
  --brand2: #0ea5a4;
  --border: #d9e1ef;
  --danger: #b42318;
  --ok: #027a48;
  --shadow: 0 12px 35px rgba(20, 35, 80, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(40, 84, 216, 0.08), transparent 35%),
    var(--bg);
  color: var(--ink);
  line-height: 1.5;
}

a {
  color: var(--brand);
  text-decoration: none;
  font-weight: 600;
}

a:hover {
  text-decoration: underline;
}

.topbar {
  background: #111827;
  color: #fff;
  padding: 16px 28px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
}

.topbar a {
  color: #fff;
  margin-left: 18px;
  opacity: 0.9;
}

.topbar a:hover {
  opacity: 1;
}

.container {
  max-width: 1180px;
  margin: 30px auto;
  padding: 0 20px;
}

.hero {
  background: linear-gradient(135deg, #173fae, #13aaa6);
  color: #fff;
  border-radius: 26px;
  padding: 38px;
  box-shadow: 0 22px 55px rgba(20, 35, 80, 0.2);
}

.hero h1 {
  margin: 0 0 12px;
  font-size: 38px;
  letter-spacing: -0.03em;
}

.hero p {
  max-width: 780px;
  line-height: 1.6;
  font-size: 17px;
  opacity: 0.95;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  margin-top: 24px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.card h2,
.card h3 {
  margin-top: 0;
  letter-spacing: -0.02em;
}

.btn {
  display: inline-block;
  background: var(--brand);
  color: #fff !important;
  border: 0;
  border-radius: 14px;
  padding: 12px 18px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 18px rgba(40, 84, 216, 0.22);
}

.btn:hover {
  background: var(--brand-dark);
  text-decoration: none;
}

.btn.secondary {
  background: #475569;
  box-shadow: none;
}

.btn.light {
  background: var(--brand-soft);
  color: #1d3c8b !important;
  box-shadow: none;
}

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

label {
  display: block;
  font-weight: 700;
  margin-bottom: 7px;
  color: #26344d;
}

input,
textarea,
select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  font-size: 15px;
  background: #fff;
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 4px rgba(40, 84, 216, 0.12);
}

textarea {
  min-height: 130px;
  resize: vertical;
}

.two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.three {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 18px;
}

.notice,
.alert,
.error {
  padding: 14px 16px;
  border-radius: 14px;
  margin-bottom: 18px;
}

.notice {
  background: #ecfdf3;
  color: #05603a;
  border: 1px solid #abefc6;
}

.alert {
  background: #fff8e6;
  color: #8a5b00;
  border: 1px solid #ffe69c;
}

.error {
  background: #fef3f2;
  color: var(--danger);
  border: 1px solid #fecdca;
}

.table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
}

.table th,
.table td {
  padding: 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.table th {
  background: #f8fafc;
  font-size: 13px;
  text-transform: uppercase;
  color: #475467;
  letter-spacing: 0.04em;
}

.table tr:last-child td {
  border-bottom: 0;
}

.badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: #1d3c8b;
  font-size: 12px;
  font-weight: 700;
}

.muted {
  color: var(--muted);
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.login-box {
  max-width: 450px;
  margin: 80px auto;
}

.evidence-list {
  padding-left: 20px;
}

.session-card {
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 18px;
  margin: 14px 0;
  background: #fff;
  cursor: pointer;
  box-shadow: 0 6px 18px rgba(20, 35, 80, 0.05);
}

.session-card:hover {
  background: #f8fbff;
  border-color: #b7c7ef;
}

.session-card input {
  margin-top: 5px;
}

.record-draft {
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 22px;
  margin: 20px 0 26px;
  background: linear-gradient(180deg, #ffffff, #fbfdff);
  box-shadow: var(--shadow);
}

@media (max-width: 800px) {
  .grid,
  .two,
  .three {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 28px;
  }

  .hero h1 {
    font-size: 30px;
  }

  .topbar {
    display: block;
  }

  .topbar nav {
    margin-top: 10px;
  }

  .topbar a {
    display: inline-block;
    margin: 6px 12px 0 0;
  }
}

.unit-checklist {
  display: grid;
  gap: 10px;
  max-height: 320px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: #f8fafc;
}
.check-row {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 12px;
  border: 1px solid #e4eaf5;
  border-radius: 12px;
  background: #fff;
  font-weight: 400;
}
.check-row input {
  width: auto;
  margin-top: 3px;
}

.admin-impersonation-bar {
  background: #fff8e6;
  border-bottom: 1px solid #ffe69c;
  color: #7a4b00;
  padding: 10px 24px;
  font-size: 14px;
}
.admin-impersonation-bar a {
  margin-left: 12px;
  font-weight: 700;
}
.admin-table-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.admin-danger-zone {
  border: 1px solid #fecdca;
  background: #fffafa;
}

.btn.danger {
  background: var(--danger);
  box-shadow: 0 8px 18px rgba(180, 35, 24, 0.18);
}

.btn.danger:hover {
  background: #8f1d14;
}

.beta-bar {
  background: #fff8e6;
  border-bottom: 1px solid #ffe69c;
  color: #6f4e00;
  padding: 10px 28px;
  font-size: 14px;
}

.beta-bar a {
  color: #1d3c8b;
  font-weight: 700;
}

.footer-links {
  max-width: 1180px;
  margin: 20px auto 30px;
  padding: 0 20px;
  color: var(--muted);
  font-size: 14px;
}

.code-block {
  display: block;
  background: #111827;
  color: #fff;
  border-radius: 12px;
  padding: 12px 14px;
  overflow-x: auto;
}


/* Mobile navigation and responsive tables */
.topbar-brand-row {display:flex;align-items:center;justify-content:space-between;gap:16px;}
.menu-toggle {display:none;background:rgba(255,255,255,0.12);color:#fff;border:1px solid rgba(255,255,255,0.22);border-radius:10px;padding:8px 11px;font-size:20px;line-height:1;cursor:pointer;}
.file-actions {display:flex;gap:8px;flex-wrap:wrap;margin-top:6px;}
.file-action-link {display:inline-block;padding:5px 9px;border-radius:999px;background:var(--brand-soft);color:#1d3c8b!important;font-size:12px;font-weight:700;}
.file-action-link.download {background:#eef2f7;color:#344054!important;}
.table-wrap {width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;}
@media (max-width:900px){
  .topbar{display:block;padding:14px 18px;}
  .menu-toggle{display:inline-block;}
  .topbar nav.main-nav{display:none;margin-top:12px;padding-top:10px;border-top:1px solid rgba(255,255,255,0.15);}
  body.nav-open .topbar nav.main-nav{display:grid;gap:4px;}
  .topbar nav.main-nav a{display:block;margin:0;padding:10px 8px;border-radius:10px;}
  .topbar nav.main-nav a:hover{background:rgba(255,255,255,0.08);text-decoration:none;}
  .container{margin:18px auto;padding:0 12px;}
  .card{border-radius:18px;padding:18px;}
  .table{min-width:720px;}
  .beta-bar{padding:10px 14px;font-size:13px;}
}
@media (max-width:560px){
  .hero h1,h1{font-size:26px;}
  .btn{width:100%;text-align:center;}
  .actions,.export-actions,.admin-table-actions{flex-direction:column;align-items:stretch;}
  .file-actions{flex-direction:row;}
}