:root {
  --bg: #FFF7E8;
  --text: #14305C;
  --accent: #E0B040;
  --surface: #FFFDF8;
  --border: #D9C9A8;
  --muted: #3A527A;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  background-color: #FFF7E8;
  color: #14305C;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  line-height: 1.6;
  font-size: 16px;
}

main, .container {
  max-width: 780px;
  margin: 0 auto;
  padding: 24px 20px 56px;
}

.age-banner {
  background-color: #14305C;
  color: #FFF7E8;
  border-bottom: 3px solid #E0B040;
  padding: 10px 16px;
  font-weight: 700;
  font-size: 0.95rem;
  text-align: center;
  letter-spacing: 0.02em;
}

.age-banner span {
  display: inline-block;
  background-color: #E0B040;
  color: #14305C;
  padding: 1px 8px;
  border-radius: 4px;
  margin-right: 8px;
  font-weight: 800;
}

header.site-header {
  border-bottom: 2px solid #E0B040;
  padding-bottom: 14px;
  margin-bottom: 24px;
}

.brand-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #14305C;
  text-decoration: none;
}

nav.site-nav, .lang-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  margin-top: 10px;
  font-size: 0.92rem;
}

nav.site-nav a, .lang-switch a, .lang-switch button {
  color: #14305C;
  text-decoration: none;
  padding: 4px 10px;
  border: 1px solid #E0B040;
  border-radius: 6px;
  background: #FFFDF8;
  font-weight: 600;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.9rem;
}

nav.site-nav a:hover,
nav.site-nav a[aria-current="page"],
.lang-switch a:hover,
.lang-switch a[aria-current="true"],
.lang-switch button:hover,
.lang-switch button[aria-pressed="true"] {
  background-color: #E0B040;
  color: #14305C;
}

h1 {
  font-size: 1.75rem;
  margin: 0 0 12px;
  color: #14305C;
}

h2 {
  font-size: 1.25rem;
  margin: 28px 0 10px;
  padding-bottom: 4px;
  border-bottom: 1px solid #E0B040;
  color: #14305C;
}

h3 {
  font-size: 1.05rem;
  margin: 20px 0 8px;
  color: #14305C;
}

p, ul, ol {
  margin: 0 0 14px;
}

ul, ol {
  padding-left: 22px;
}

li {
  margin-bottom: 6px;
}

a {
  color: #14305C;
  text-decoration: underline;
  text-decoration-color: #E0B040;
  text-underline-offset: 3px;
  font-weight: 600;
}

a:hover {
  background-color: #E0B040;
  color: #14305C;
}

.notice-box, .card {
  background-color: #FFFDF8;
  border: 1px solid #D9C9A8;
  border-left: 5px solid #E0B040;
  border-radius: 8px;
  padding: 16px 18px;
  margin: 16px 0;
}

.alert-box {
  background-color: #FFFDF8;
  border: 2px solid #14305C;
  border-left: 6px solid #E0B040;
  border-radius: 8px;
  padding: 16px 18px;
  margin: 18px 0;
}

.table-wrap {
  overflow-x: auto;
  margin: 16px 0 22px;
}

table {
  width: 100%;
  border-collapse: collapse;
  background-color: #FFFDF8;
  font-size: 0.94rem;
}

th, td {
  border: 1px solid #D9C9A8;
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

th {
  background-color: #14305C;
  color: #FFF7E8;
  font-weight: 700;
}

tr:nth-child(even) td {
  background-color: #FFF7E8;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9em;
  background-color: #F4E8CE;
  padding: 1px 5px;
  border-radius: 4px;
}

.btn {
  display: inline-block;
  background-color: #E0B040;
  color: #14305C;
  font-weight: 700;
  padding: 10px 18px;
  border-radius: 8px;
  border: 2px solid #14305C;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 1rem;
}

.btn:hover {
  background-color: #14305C;
  color: #FFF7E8;
}

.btn-secondary {
  background-color: #FFFDF8;
  color: #14305C;
  border: 2px solid #14305C;
}

.form-group {
  margin-bottom: 14px;
}

.form-group label {
  display: block;
  font-weight: 700;
  margin-bottom: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid #14305C;
  border-radius: 6px;
  background-color: #FFFDF8;
  color: #14305C;
  font-family: inherit;
  font-size: 1rem;
}

.code-display {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 1.65rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  padding: 14px 20px;
  background-color: #FFFDF8;
  border: 2px dashed #E0B040;
  border-radius: 8px;
  text-align: center;
  margin: 14px 0;
  color: #14305C;
}

.status-msg {
  padding: 14px 16px;
  border-radius: 8px;
  margin-top: 16px;
  font-weight: 600;
  display: none;
}

.status-msg.visible {
  display: block;
}

.status-msg.ok {
  background-color: #FFFDF8;
  border: 2px solid #E0B040;
  color: #14305C;
}

.status-msg.err, .status-msg.appeal {
  background-color: #FFFDF8;
  border: 2px solid #14305C;
  border-left: 6px solid #E0B040;
  color: #14305C;
}

footer.site-footer {
  margin-top: 40px;
  padding-top: 16px;
  border-top: 1px solid #D9C9A8;
  font-size: 0.88rem;
  color: #3A527A;
}