:root {
  --primary: #1E3A8A;
  --primary-dark: #1E40AF;
  --gold: #C8A24B;
  --bg: #F1F5F9;
  --card: #FFFFFF;
  --border: #E2E8F0;
  --text: #0F172A;
  --muted: #64748B;
  --error-bg: #FEF2F2;
  --error-border: #FECACA;
  --error-text: #991B1B;
}

* { box-sizing: border-box; }

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

.brandbar {
  background: var(--primary);
  color: #fff;
  padding: 14px 0;
  box-shadow: 0 1px 4px rgba(0,0,0,0.1);
}
.brandbar-inner {
  max-width: 980px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: baseline;
  gap: 12px;
}
.brandmark { font-weight: 800; font-size: 20px; letter-spacing: 0.3px; }
.brandmark::first-letter { color: var(--gold); }
.brandtag { color: #C7D2FE; font-size: 14px; font-weight: 600; }

.container { max-width: 980px; margin: 0 auto; padding: 24px 20px 60px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.login-card { max-width: 420px; margin: 40px auto 0; }
.login-card h1 { margin: 0 0 4px; font-size: 22px; }

h1 { font-size: 22px; }
.muted { color: var(--muted); margin: 0; font-size: 14px; }

label { display: block; font-weight: 700; font-size: 13px; margin: 14px 0 6px; }

input[type="text"], input[type="email"], input[type="password"] {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 9px;
  font-size: 15px;
  color: var(--text);
  background: #fff;
}
input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,58,138,0.12); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: 9px;
  padding: 11px 18px;
  font-size: 15px;
  font-weight: 800;
  cursor: pointer;
  transition: opacity 0.15s ease;
}
.btn:disabled { opacity: 0.6; cursor: default; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-secondary { background: var(--gold); color: #1f2937; }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-block { width: 100%; margin-top: 18px; }

.topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 16px; }
.topbar-title { margin: 0; }

.check-grid {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 16px;
  align-items: end;
}
.field { min-width: 0; }
.field label { margin-top: 0; }
.field-actions { display: flex; gap: 10px; }
@media (max-width: 720px) {
  .check-grid { grid-template-columns: 1fr; }
  .field-actions { flex-direction: column; }
  .field-actions .btn { width: 100%; }
}

.hint { color: var(--muted); font-size: 13px; margin: 12px 0 0; }
.footnote { text-align: center; color: var(--muted); font-size: 13px; margin-top: 18px; }

.error {
  background: var(--error-bg);
  border: 1px solid var(--error-border);
  color: var(--error-text);
  border-radius: 9px;
  padding: 10px 12px;
  font-size: 14px;
  font-weight: 600;
  margin-top: 14px;
}

.report-area { margin-top: 22px; }
.reportFrame {
  width: 100%;
  height: 1100px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #fff;
}