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

:root {
  --navy: #0B1F3A;
  --green: #1A4A2E;
  --green-mid: #2D7A4F;
  --green-soft: #6BBFA0;
  --water: #EAF4F0;
  --sand: #F6F4EF;
  --text: #0B1F3A;
  --muted: #5A6478;
  --border: rgba(11,31,58,0.12);
  --bg: #F9FAFB;
  --card: #FFFFFF;
  --sans: 'DM Sans', system-ui, -apple-system, sans-serif;
}

body {
  font-family: var(--sans);
  color: var(--text);
  background: var(--bg);
  font-size: 14px;
  line-height: 1.5;
}

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

/* ── Admin header ── */
.admin-header {
  background: var(--navy);
  color: #fff;
  padding: 0.85rem 1.5rem;
  display: flex; justify-content: space-between; align-items: center;
  border-bottom: 3px solid var(--green-mid);
}
.admin-brand {
  color: #fff;
  font-weight: 500;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
}
.admin-brand:hover { text-decoration: none; opacity: 0.85; }
.admin-brand span { color: var(--green-soft); }
.admin-user {
  display: flex; align-items: center; gap: 1rem;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
}
.admin-user-email { color: rgba(255,255,255,0.85); }
.logout-form { display: inline; }
.link-btn {
  background: none; border: none;
  color: rgba(255,255,255,0.7);
  font-family: inherit; font-size: inherit;
  cursor: pointer; padding: 0;
  text-decoration: underline;
}
.link-btn:hover { color: #fff; }

/* ── Shell ── */
.admin-shell {
  display: grid;
  grid-template-columns: 200px 1fr;
  min-height: calc(100vh - 50px);
}
.admin-nav {
  background: var(--card);
  border-right: 1px solid var(--border);
  padding: 1.5rem 0;
  display: flex; flex-direction: column;
}
.admin-nav-link {
  padding: 0.6rem 1.5rem;
  color: var(--text);
  font-weight: 500;
  font-size: 0.875rem;
  border-left: 3px solid transparent;
}
.admin-nav-link:hover { background: var(--bg); text-decoration: none; border-left-color: var(--green-mid); }
.admin-main { padding: 2rem 2.5rem; max-width: 1200px; }

/* ── Page header ── */
.page-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: 1rem;
}
.page-header h1 { font-size: 1.5rem; font-weight: 500; }
.breadcrumb { font-size: 0.85rem; color: var(--muted); margin-bottom: 0.25rem; }
.breadcrumb a { color: var(--muted); }

.status-filter {
  display: flex; align-items: center; gap: 0.5rem;
  font-size: 0.85rem; color: var(--muted);
}
.status-filter select {
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  font-family: inherit;
  font-size: 0.875rem;
}

/* ── Status badge ── */
.status-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.65rem;
  border-radius: 12px;
  background: rgba(11,31,58,0.08);
  color: var(--text);
}
.status-new { background: rgba(59,130,196,0.15); color: #1E5A91; }
.status-kit_sent { background: rgba(186,117,23,0.15); color: #8A5210; }
.status-results_in { background: rgba(45,122,79,0.15); color: var(--green); }
.status-quoted { background: rgba(107,191,160,0.2); color: var(--green); }
.status-won { background: var(--green); color: #fff; }
.status-lost { background: rgba(11,31,58,0.12); color: var(--muted); }

/* ── Data table ── */
.data-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
.data-table th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.data-table td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.875rem;
}
.data-table tr:last-child td { border-bottom: none; }
.data-table tr:hover td { background: rgba(45,122,79,0.03); }
.data-table .muted { color: var(--muted); font-size: 0.8rem; }

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 3rem 1rem;
  background: var(--card);
  border: 1px dashed var(--border);
  border-radius: 8px;
}
.empty-state .muted { color: var(--muted); margin-top: 0.5rem; }

/* ── Detail grid ── */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}
.detail-grid > *:last-child { grid-column: 1 / -1; }

.detail-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.5rem;
}
.detail-card h2 {
  font-size: 0.78rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 1rem;
}
.detail-card dl { display: grid; grid-template-columns: 110px 1fr; gap: 0.6rem 1rem; font-size: 0.875rem; }
.detail-card dt { color: var(--muted); font-size: 0.8rem; }
.detail-card dd { color: var(--text); }

/* ── Forms ── */
.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 500;
  margin-bottom: 0.35rem;
  color: var(--text);
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  font-family: inherit;
  font-size: 0.875rem;
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.form-group textarea { font-family: inherit; resize: vertical; min-height: 100px; }
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(45,122,79,0.08);
}

.submit-btn {
  background: var(--green);
  color: #fff;
  border: none;
  padding: 0.65rem 1.5rem;
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  transition: background .15s;
}
.submit-btn:hover { background: var(--green-mid); }

.form-error {
  background: #fde8e8;
  border: 1px solid #f4baba;
  color: #8a1a1a;
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}
.flash-ok {
  background: rgba(45,122,79,0.1);
  border: 1px solid var(--green-mid);
  color: var(--green);
  padding: 0.65rem 0.85rem;
  border-radius: 6px;
  margin-bottom: 1rem;
  font-size: 0.85rem;
}

/* ── Auth page ── */
.auth-body {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}
.auth-card {
  max-width: 420px;
  width: 100%;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2.5rem;
  margin: 1rem;
}
.auth-brand {
  display: block;
  font-size: 1rem;
  font-weight: 500;
  color: var(--navy);
  margin-bottom: 1.5rem;
}
.auth-brand:hover { text-decoration: none; }
.auth-brand span { color: var(--green-mid); }
.auth-card h1 { font-size: 1.5rem; font-weight: 500; margin-bottom: 0.5rem; }
.auth-sub { color: var(--muted); margin-bottom: 1.5rem; font-size: 0.9rem; line-height: 1.6; }
.auth-sub a { color: var(--green-mid); }

.dev-banner {
  background: #fff8e1;
  border: 1px solid #f5d76e;
  border-radius: 6px;
  padding: 1rem;
  margin: 1.25rem 0;
  font-size: 0.85rem;
}
.dev-banner strong { display: block; color: #8a6d10; margin-bottom: 0.5rem; font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; }
.dev-banner p { margin-bottom: 0.4rem; color: var(--text); }
.dev-link { word-break: break-all; font-family: ui-monospace, monospace; font-size: 0.78rem; }

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  border-top: 1px solid var(--border);
}

.google-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  padding: 0.65rem 1.5rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--card);
  color: var(--text);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: background .15s, border-color .15s;
}
.google-btn:hover { background: var(--sand); border-color: rgba(11,31,58,0.25); text-decoration: none; }

.import-box {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}
.import-box h3 { font-size: 0.95rem; font-weight: 500; margin-bottom: 0.35rem; }
.import-box p { font-size: 0.85rem; margin-bottom: 0.85rem; }
.import-form { display: flex; gap: 0.75rem; align-items: center; flex-wrap: wrap; }
.import-form input[type="text"] {
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: inherit;
  font-size: 0.85rem;
  min-width: 16rem;
}
.link-btn.danger { color: #A83232; }
.link-btn.danger:hover { color: #7d2323; }
.batch-list { list-style: none; display: flex; flex-direction: column; gap: 0.4rem; font-size: 0.9rem; }
.batch-list a { color: var(--green-mid); font-weight: 500; }
.stannp-send-form { display: inline-block; margin-left: 0.75rem; }
.stannp-send-form .submit-btn { padding: 0.3rem 0.9rem; font-size: 0.8rem; }

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

/* ── Analyte entry table ── */
.analyte-input {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
}
.analyte-input th {
  text-align: left;
  font-size: 0.72rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  padding: 0.5rem 0.5rem;
}
.analyte-input td {
  padding: 0.4rem 0.5rem;
  border-bottom: 1px solid var(--border);
}
.analyte-input tr:last-child td { border-bottom: none; }
.analyte-input input[type="text"] {
  width: 100%;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 5px;
  font-family: ui-monospace, monospace;
  font-size: 0.85rem;
  text-align: right;
  outline: none;
}
.analyte-input input[type="text"]:focus {
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(45,122,79,0.08);
}
.analyte-input .muted { font-size: 0.78rem; }

@media (max-width: 768px) {
  .admin-shell { grid-template-columns: 1fr; }
  .admin-nav { flex-direction: row; padding: 0.5rem; border-right: none; border-bottom: 1px solid var(--border); }
  .admin-nav-link { border-left: none; border-bottom: 2px solid transparent; padding: 0.5rem 1rem; }
  .admin-nav-link:hover { border-left: none; border-bottom-color: var(--green-mid); }
  .admin-main { padding: 1.25rem; }
  .detail-grid { grid-template-columns: 1fr; }
  .detail-grid > *:last-child { grid-column: auto; }
}