:root {
  --bg: #0A0E17;
  --surface: #12182A;
  --surface-2: #182140;
  --border: #232C48;
  --text: #E6E9F2;
  --text-dim: #8B93A8;
  --accent: #4F7CFF;
  --accent-hover: #3D66E0;
  --green: #22C55E;
  --amber: #F59E0B;
  --red: #EF4444;
  --gray: #6B7280;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
}

.hidden { display: none !important; }

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

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn:hover { border-color: var(--accent); }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-block { width: 100%; }
.btn-danger { color: var(--red); }

/* ---------- Auth screen ---------- */
.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
}
.brand { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.brand-mark {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #7C5CFF);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 13px; color: #fff;
}
.brand-name { font-weight: 700; font-size: 18px; }
.auth-tagline { color: var(--text-dim); font-size: 13px; margin: 8px 0 24px; line-height: 1.5; }
.auth-tabs { display: flex; gap: 4px; margin-bottom: 20px; background: var(--surface-2); border-radius: 8px; padding: 4px; }
.auth-tab {
  flex: 1; padding: 8px; border: none; background: transparent; color: var(--text-dim);
  border-radius: 6px; cursor: pointer; font-size: 13px; font-weight: 500;
}
.auth-tab.active { background: var(--accent); color: #fff; }
.auth-form { display: flex; flex-direction: column; gap: 14px; }
.auth-form label, .modal-body label {
  display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--text-dim); font-weight: 500;
}
.auth-form input, .modal-body input, .modal-body select {
  background: var(--bg); border: 1px solid var(--border); border-radius: 7px;
  padding: 9px 11px; color: var(--text); font-size: 14px;
}
.auth-form input:focus, .modal-body input:focus { outline: none; border-color: var(--accent); }
.auth-error { color: var(--red); font-size: 13px; min-height: 16px; margin: 0; }

/* ---------- App shell ---------- */
.app-shell { min-height: 100vh; }
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 28px; border-bottom: 1px solid var(--border); background: var(--surface);
}
.topbar-right { display: flex; align-items: center; gap: 16px; }
.org-name { color: var(--text-dim); font-size: 13px; }
.main { max-width: 1100px; margin: 0 auto; padding: 28px; }

/* ---------- Summary cards ---------- */
.summary-row { display: grid; grid-template-columns: repeat(6, 1fr); gap: 12px; margin-bottom: 28px; }
.stat-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 16px; text-align: left; cursor: pointer; color: var(--text);
  display: flex; flex-direction: column; gap: 4px;
}
.stat-card:hover { border-color: var(--accent); }
.stat-value { font-size: 26px; font-weight: 700; }
.stat-label { font-size: 12px; color: var(--text-dim); }
.stat-card.status-compliant .stat-value { color: var(--green); }
.stat-card.status-expiring_soon .stat-value { color: var(--amber); }
.stat-card.status-expired .stat-value,
.stat-card.status-non_compliant .stat-value { color: var(--red); }
.stat-card.status-missing .stat-value { color: var(--gray); }
.stat-card.active-filter { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }

/* ---------- Toolbar / table ---------- */
.toolbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.toolbar h1 { font-size: 18px; margin: 0; }
.toolbar-actions { display: flex; gap: 8px; }
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.vendor-table { width: 100%; border-collapse: collapse; }
.vendor-table th {
  text-align: left; font-size: 12px; color: var(--text-dim); font-weight: 600;
  padding: 12px 16px; border-bottom: 1px solid var(--border); text-transform: uppercase; letter-spacing: 0.03em;
}
.vendor-table td { padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.vendor-table tr:last-child td { border-bottom: none; }
.vendor-table tr.row-clickable { cursor: pointer; }
.vendor-table tr.row-clickable:hover { background: var(--surface-2); }
.vendor-name { font-weight: 600; }
.vendor-trade { color: var(--text-dim); }
.empty-state { padding: 40px; text-align: center; color: var(--text-dim); }

.badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.badge::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.badge-compliant { background: rgba(34,197,94,0.14); color: var(--green); }
.badge-expiring_soon { background: rgba(245,158,11,0.14); color: var(--amber); }
.badge-expired { background: rgba(239,68,68,0.14); color: var(--red); }
.badge-non_compliant { background: rgba(239,68,68,0.14); color: var(--red); }
.badge-missing { background: rgba(107,114,128,0.18); color: var(--gray); }

/* ---------- Modals ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(5,7,12,0.7);
  display: flex; align-items: flex-start; justify-content: center;
  padding: 40px 20px; overflow-y: auto; z-index: 50;
}
.modal {
  width: 100%; max-width: 480px; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.modal-wide { max-width: 720px; }
.modal-header { display: flex; align-items: center; justify-content: space-between; padding: 18px 22px; border-bottom: 1px solid var(--border); }
.modal-header h2 { margin: 0; font-size: 16px; }
.modal-close { background: none; border: none; color: var(--text-dim); font-size: 22px; cursor: pointer; line-height: 1; }
.modal-body { padding: 22px; display: flex; flex-direction: column; gap: 14px; }
.modal-actions { display: flex; justify-content: flex-end; gap: 10px; margin-top: 8px; }
.req-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; border-top: 1px solid var(--border); padding-top: 14px; margin-top: 4px; }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; }
.checkbox-label input { width: auto; }
.hint { color: var(--text-dim); font-weight: 400; }

/* ---------- Vendor detail ---------- */
.vd-section { border-bottom: 1px solid var(--border); padding-bottom: 16px; margin-bottom: 16px; }
.vd-section:last-child { border-bottom: none; margin-bottom: 0; }
.vd-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 4px; }
.vd-meta { color: var(--text-dim); font-size: 13px; }
.vd-issues { list-style: none; margin: 10px 0 0; padding: 0; display: flex; flex-direction: column; gap: 6px; }
.vd-issues li { font-size: 13px; color: var(--amber); padding-left: 16px; position: relative; }
.vd-issues li::before { content: "!"; position: absolute; left: 0; font-weight: 700; }
.vd-issues.ok li { color: var(--green); }
.vd-issues.ok li::before { content: "✓"; }

.upload-zone {
  border: 1.5px dashed var(--border); border-radius: 8px; padding: 20px; text-align: center;
  color: var(--text-dim); font-size: 13px; cursor: pointer;
}
.upload-zone:hover { border-color: var(--accent); color: var(--text); }

.cert-list { display: flex; flex-direction: column; gap: 10px; }
.cert-item { background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px; padding: 12px 14px; }
.cert-item-top { display: flex; justify-content: space-between; align-items: center; font-size: 13px; }
.cert-filename { font-weight: 600; }
.cert-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; margin-top: 10px; font-size: 12px; color: var(--text-dim); }
.cert-fields b { color: var(--text); font-weight: 500; }
.confidence-tag { font-size: 11px; padding: 2px 8px; border-radius: 999px; text-transform: uppercase; letter-spacing: 0.03em; }
.confidence-high { background: rgba(34,197,94,0.14); color: var(--green); }
.confidence-partial { background: rgba(245,158,11,0.14); color: var(--amber); }
.confidence-unparsed { background: rgba(239,68,68,0.14); color: var(--red); }
.cert-warnings { margin-top: 8px; font-size: 12px; color: var(--amber); }
.correct-btn { margin-top: 10px; }

/* ---------- Toasts ---------- */
.toast-root { position: fixed; bottom: 20px; right: 20px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 16px; font-size: 13px; box-shadow: 0 8px 24px rgba(0,0,0,0.4); max-width: 320px;
}
.toast.toast-error { border-color: var(--red); color: var(--red); }
.toast.toast-success { border-color: var(--green); color: var(--green); }

@media (max-width: 800px) {
  .summary-row { grid-template-columns: repeat(3, 1fr); }
  .req-grid { grid-template-columns: 1fr; }
  .cert-fields { grid-template-columns: 1fr; }
}