:root {
  --bg: #f6f1e8;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --ink: #0f172a;
  --muted: #64748b;
  --line: rgba(148, 163, 184, 0.28);
  --primary: #0f766e;
  --primary-strong: #115e59;
  --danger: #b91c1c;
  --danger-bg: #fef2f2;
  --success: #166534;
  --success-bg: #f0fdf4;
  --shadow: 0 20px 50px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.12), transparent 32%),
    radial-gradient(circle at top right, rgba(15, 118, 110, 0.12), transparent 28%),
    var(--bg);
  font-family: Georgia, "Times New Roman", serif;
  line-height: 1.45;
}

a {
  color: inherit;
  text-decoration: none;
}

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(246, 241, 232, 0.84);
  border-bottom: 1px solid var(--line);
}

.site-header__inner,
.nav-links,
.brand,
.hero,
.hero__actions,
.scanner-shell,
.table-actions,
.section-heading {
  display: flex;
  align-items: center;
}

.site-header__inner,
.hero,
.scanner-shell,
.section-heading {
  justify-content: space-between;
}

.site-header__inner {
  padding: 18px 0;
  gap: 20px;
}

.brand {
  gap: 14px;
}

.brand__logo {
  width: 78px;
  height: 46px;
  object-fit: contain;
  object-position: center;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
  padding: 4px;
}

.brand__eyebrow,
.pill,
.stat-card span,
label span,
.muted {
  color: var(--muted);
}

.brand__eyebrow,
.pill {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.72rem;
}

.brand__name {
  font-size: 1.35rem;
  font-weight: 700;
}

.nav-links {
  gap: 12px;
  flex-wrap: wrap;
}

.nav-links a {
  font-size: 1.05rem;
}

.nav-links form {
  margin: 0;
}

.page-shell {
  padding: 28px 0 60px;
}

.hero {
  gap: 16px;
  margin-bottom: 24px;
}

.hero--stack {
  align-items: flex-start;
}

.hero h1,
.auth-card h1,
.scanner-panel h1,
.scanner-result h1 {
  margin: 8px 0 10px;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 0.95;
}

.card,
.stat-card,
.scanner-panel,
.scanner-result,
.auth-card__intro {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.6);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.card,
.scanner-panel,
.scanner-result,
.auth-card__intro {
  padding: 24px;
}

.stats-grid,
.two-column {
  display: grid;
  gap: 18px;
}

.stats-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 24px;
}

.stat-card {
  display: grid;
  align-content: start;
  gap: 12px;
  min-height: 120px;
  padding: 22px 24px;
}

.stat-card strong {
  display: block;
  margin-top: 0;
  font-size: clamp(2rem, 3.2vw, 2.6rem);
  line-height: 1;
}

.two-column {
  grid-template-columns: 1.3fr 1fr;
}

.form-grid {
  display: grid;
  gap: 16px;
}

.form-actions,
.mail-meta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.mail-meta {
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(15, 23, 42, 0.05);
  color: var(--ink);
}

.form-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-grid__full {
  grid-column: 1 / -1;
}

label {
  display: grid;
  gap: 8px;
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.9);
}

textarea {
  resize: vertical;
  min-height: 180px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 20px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button--primary {
  background: var(--primary);
  color: white;
}

.button--ghost {
  background: rgba(15, 23, 42, 0.06);
  color: var(--ink);
}

.button--danger {
  background: var(--danger);
  color: white;
}

.flash {
  padding: 14px 16px;
  border-radius: 18px;
  margin-bottom: 16px;
}

.flash--error {
  background: var(--danger-bg);
  color: var(--danger);
}

.flash--success {
  background: var(--success-bg);
  color: var(--success);
}

.danger-zone {
  margin-top: 24px;
  border-color: rgba(185, 28, 28, 0.18);
}

.table {
  width: 100%;
  border-collapse: collapse;
}

.table th,
.table td {
  text-align: left;
  padding: 14px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.table-actions {
  gap: 8px;
  flex-wrap: wrap;
}

.list-stack {
  display: grid;
  gap: 12px;
}

.list-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.7);
}

.list-item__content {
  display: grid;
  gap: 4px;
}

.list-item__meta {
  color: var(--muted);
  white-space: nowrap;
}

.card h2 {
  margin: 0;
  font-size: clamp(1.8rem, 2.8vw, 2.3rem);
}

.table th {
  font-size: 1.05rem;
}

.hero p,
.card p,
.scanner-result p,
.scanner-panel p {
  margin: 0;
}

.hero p {
  max-width: 640px;
}

.status {
  display: inline-block;
  padding: 6px 10px;
  border-radius: 999px;
  text-transform: capitalize;
}

.status--unused {
  background: #eff6ff;
  color: #1d4ed8;
}

.status--used {
  background: var(--success-bg);
  color: var(--success);
}

.status--revoked {
  background: var(--danger-bg);
  color: var(--danger);
}

.auth-page .page-shell,
.scanner-page .page-shell {
  min-height: calc(100vh - 90px);
  display: flex;
  align-items: center;
}

.auth-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
  width: 100%;
}

.scanner-shell {
  gap: 20px;
  align-items: stretch;
}

.scanner-shell > * {
  flex: 1;
}

.scanner-reader {
  overflow: hidden;
  border-radius: 24px;
  min-height: 340px;
  background: #0f172a;
}

.scanner-result {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 100%;
  text-align: center;
}

.scanner-result--idle {
  background: rgba(255, 255, 255, 0.78);
}

.scanner-result--success {
  background: linear-gradient(180deg, #dcfce7, #bbf7d0);
  color: #14532d;
}

.scanner-result--error {
  background: linear-gradient(180deg, #fee2e2, #fecaca);
  color: #7f1d1d;
}

.centered-copy {
  max-width: 560px;
  margin: 48px auto;
  text-align: center;
}

@media (max-width: 900px) {
  .stats-grid,
  .two-column,
  .auth-card,
  .form-grid--two {
    grid-template-columns: 1fr;
  }

  .scanner-shell,
  .hero {
    flex-direction: column;
  }

  .site-header {
    position: static;
  }

  .container {
    width: min(1100px, calc(100% - 24px));
  }

  .site-header__inner {
    align-items: flex-start;
    padding: 14px 0;
    gap: 14px;
  }

  .brand {
    gap: 12px;
    max-width: 100%;
  }

  .brand__logo {
    width: 62px;
    height: 40px;
  }

  .brand__eyebrow {
    font-size: 0.65rem;
  }

  .brand__name {
    font-size: 1rem;
    line-height: 1.1;
  }

  .nav-links {
    width: 100%;
    display: flex;
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;
    gap: 10px;
  }

  .nav-links a,
  .nav-links .button {
    padding: 10px 14px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.06);
    font-size: 0.98rem;
    line-height: 1;
  }

  .nav-links .button {
    min-height: auto;
  }

  .page-shell {
    padding: 18px 0 44px;
  }

  .hero {
    align-items: flex-start;
    gap: 14px;
    margin-bottom: 18px;
  }

  .hero h1,
  .auth-card h1,
  .scanner-panel h1,
  .scanner-result h1 {
    font-size: clamp(2.1rem, 10vw, 3rem);
    line-height: 1;
  }

  .hero .button {
    width: 100%;
  }

  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .stat-card,
  .card,
  .scanner-panel,
  .scanner-result,
  .auth-card__intro {
    padding: 18px;
    border-radius: 22px;
  }

  .stat-card {
    min-height: 96px;
  }

  .card h2 {
    font-size: clamp(1.6rem, 7vw, 2rem);
  }

  .list-item {
    flex-direction: column;
    gap: 8px;
  }

  .list-item__meta {
    white-space: normal;
  }

  .table {
    display: block;
    overflow-x: auto;
  }

  .table th,
  .table td {
    padding: 12px 8px;
    font-size: 0.98rem;
    white-space: nowrap;
  }

  .form-actions,
  .mail-meta {
    flex-direction: column;
  }
}

@media (max-width: 560px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .brand__name {
    font-size: 0.92rem;
  }

  .nav-links a,
  .nav-links .button {
    font-size: 0.92rem;
  }

  .hero h1 {
    font-size: clamp(1.9rem, 12vw, 2.6rem);
  }

  .table th,
  .table td {
    font-size: 0.92rem;
  }
}