@font-face {
  font-family: "D-DIN";
  font-weight: 400;
  font-style: normal;
  src: url("fonts/D-DIN.otf") format("opentype");
}

@font-face {
  font-family: "D-DIN";
  font-weight: 700;
  font-style: normal;
  src: url("fonts/D-DIN-Bold.otf") format("opentype");
}

:root {
  --brand-yellow: #fdc819;
  --brand-slate: #5b6e7f;
  --brand-ink: #2b2f36;
  --brand-grey: #8b95a1;
  --brand-rule: #d0d5dd;
  --brand-font: "D-DIN", Arial, sans-serif;
  --page-background: #f8fafc;
  --card-shadow: 0 1px 3px rgb(43 47 54 / 8%);
}

* {
  box-sizing: border-box;
}

html {
  background: var(--page-background);
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--page-background);
  color: var(--brand-ink);
  font-family: var(--brand-font);
  -webkit-font-smoothing: antialiased;
}

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

button,
input {
  font: inherit;
}

.brand-accent {
  position: fixed;
  z-index: 50;
  top: 0;
  right: 0;
  left: 0;
  height: 0.375rem;
  background: var(--brand-yellow);
}

.brand-logo {
  height: 2.5rem;
  width: auto;
}

.page-shell {
  width: min(100% - 2rem, 64rem);
  margin-inline: auto;
}

.site-nav {
  border-bottom: 1px solid #f1f5f9;
  background: #fff;
  box-shadow: var(--card-shadow);
}

.nav-content,
.brand,
.nav-links {
  display: flex;
  align-items: center;
}

.nav-content {
  min-height: 4.25rem;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand {
  gap: 0.75rem;
  color: var(--brand-slate);
  font-weight: 700;
  letter-spacing: -0.015em;
}

.nav-links {
  gap: 1rem;
  color: #4b5563;
  font-size: 0.875rem;
  font-weight: 700;
}

.nav-links a:hover,
.brand-link {
  color: var(--brand-slate);
}

.brand-link:hover {
  color: var(--brand-ink);
  text-decoration-color: var(--brand-yellow);
  text-decoration-line: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.nav-links form {
  margin: 0;
}

.logout-button {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--brand-grey);
  cursor: pointer;
}

.logout-button:hover {
  color: #b91c1c;
}

.main-content {
  padding-block: 2rem;
}

.page-title {
  margin: 0 0 0.25rem;
  color: var(--brand-slate);
  font-size: 1.25rem;
  line-height: 1.4;
}

.page-title-spaced {
  margin-bottom: 1.5rem;
}

.page-subtitle {
  margin: 0 0 1.5rem;
  color: var(--brand-grey);
  font-size: 0.875rem;
}

.brand-button {
  width: fit-content;
  padding: 0.65rem 1.5rem;
  border: 0;
  border-radius: 0.75rem;
  background: var(--brand-slate);
  color: #fff;
  cursor: pointer;
  font-size: 0.875rem;
  font-weight: 700;
  transition: background-color 150ms ease, transform 150ms ease;
}

.brand-button:hover {
  background: var(--brand-ink);
}

.brand-button:active {
  transform: scale(0.98);
}

.button-block {
  width: 100%;
  padding-block: 0.8rem;
}

.brand-input,
.form-card input[type="text"],
.form-card input[type="file"],
.form-card input[type="date"] {
  width: 100%;
  min-width: 0;
  padding: 0.65rem 1rem;
  border: 1px solid #e5e7eb;
  border-radius: 0.75rem;
  background: #fff;
  color: var(--brand-ink);
  font-size: 0.875rem;
}

.brand-input:focus {
  border-color: var(--brand-yellow);
  box-shadow: 0 0 0 2px rgb(253 200 25 / 24%);
  outline: none;
}

.form-card input:focus {
  border-color: var(--brand-yellow);
  box-shadow: 0 0 0 2px rgb(253 200 25 / 24%);
  outline: none;
}

.card,
.login-card,
.table-card {
  border: 1px solid #f1f5f9;
  background: #fff;
  box-shadow: var(--card-shadow);
}

.card,
.table-card {
  border-radius: 1rem;
}

.form-card {
  max-width: 36rem;
  padding: 1.5rem;
}

.form-stack {
  display: grid;
  gap: 1rem;
}

.form-field {
  min-width: 0;
}

.field-label {
  display: block;
  margin-bottom: 0.3rem;
  color: var(--brand-grey);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.field-error {
  margin: 0.3rem 0 0;
  color: #dc2626;
  font-size: 0.75rem;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 0.75rem;
  font-size: 0.875rem;
}

.alert-error {
  border: 1px solid #fee2e2;
  background: #fef2f2;
  color: #b91c1c;
}

.messages {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}

.brand-message {
  padding: 0.75rem 1rem;
  border: 1px solid #f1f5f9;
  border-left: 4px solid var(--brand-yellow);
  border-radius: 0.75rem;
  background: #fff;
  box-shadow: var(--card-shadow);
  font-size: 0.875rem;
}

.search-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
  margin-bottom: 2rem;
}

.search-submit {
  width: 100%;
  grid-column: 1 / -1;
}

.table-card {
  overflow-x: auto;
}

.certificate-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.certificate-table thead {
  background: var(--brand-slate);
  color: #fff;
}

.certificate-table th,
.certificate-table td {
  padding: 0.75rem 1rem;
  text-align: left;
  white-space: nowrap;
}

.certificate-table th {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.certificate-table tbody tr + tr {
  border-top: 1px solid #f8fafc;
}

.certificate-table td {
  color: #4b5563;
}

.certificate-table .primary-cell {
  color: #111827;
  font-weight: 700;
}

.certificate-table .download-cell {
  text-align: right;
}

.certificate-table .empty-state {
  padding-block: 2rem;
  color: var(--brand-grey);
  text-align: center;
}

.login-shell {
  display: flex;
  min-height: 100vh;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.login-card {
  width: min(100%, 28rem);
  padding: 3rem;
  border-radius: 1.5rem;
  box-shadow: 0 20px 50px rgb(0 0 0 / 5%);
}

.login-logo {
  display: block;
  margin: 0 auto 1.25rem;
}

.login-title {
  margin-bottom: 2rem;
  text-align: center;
}

.login-card .alert {
  margin-bottom: 1.5rem;
}

.login-footer {
  margin-top: 2rem;
  color: var(--brand-grey);
  font-size: 0.75rem;
  font-weight: 700;
}

.mono,
.token-btn {
  font-family: ui-monospace, SFMono-Regular, Consolas, monospace;
}

.token-help {
  color: #6b7280;
  font-size: 0.75rem;
}

.token-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: 0.5rem;
}

.token-btn {
  padding: 0.25rem 0.5rem;
  border: 0;
  border-radius: 0.5rem;
  background: #f1f5f9;
  cursor: pointer;
  font-size: 0.6875rem;
}

.token-btn:hover {
  background: #fef9c3;
}

@media (max-width: 48rem) {
  .nav-content {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
    padding-block: 1rem;
  }

  .nav-links {
    width: 100%;
    flex-wrap: wrap;
  }

  .search-grid {
    grid-template-columns: 1fr;
  }

  .login-card {
    padding: 2rem;
  }
}