:root {
  --ink: #171a1f;
  --muted: #66717c;
  --line: #dce4e8;
  --paper: #f5f7f4;
  --white: #ffffff;
  --teal: #0e7c7b;
  --gold: #d7a23f;
  --danger: #b3342a;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans KR", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

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

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    linear-gradient(135deg, rgba(14, 124, 123, 0.14), rgba(215, 162, 63, 0.12)),
    var(--paper);
}

.login-card,
.admin-panel,
.admin-welcome,
.metric-grid article {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  box-shadow: 0 18px 40px rgba(23, 26, 31, 0.08);
}

.login-card {
  width: min(440px, 100%);
  padding: 34px;
}

.admin-kicker {
  margin: 0 0 10px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
}

h1,
h2,
p {
  margin-top: 0;
}

.login-card h1,
.admin-header h1 {
  margin-bottom: 10px;
}

.login-card p,
.admin-welcome p,
.empty-state {
  color: var(--muted);
  line-height: 1.7;
}

.admin-form {
  display: grid;
  gap: 14px;
  margin-top: 24px;
}

.admin-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.admin-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 13px 14px;
  font: inherit;
}

.admin-form button,
.admin-header a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 6px;
  padding: 0 18px;
  color: var(--white);
  background: var(--teal);
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.admin-help {
  margin: 18px 0 0;
  font-size: 13px;
}

.alert {
  margin-top: 18px;
  border: 1px solid rgba(179, 52, 42, 0.22);
  border-radius: 6px;
  padding: 12px 14px;
  color: var(--danger);
  background: rgba(179, 52, 42, 0.08);
  font-size: 14px;
  font-weight: 800;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(20px, 5vw, 72px);
  color: var(--white);
  background: #0b2026;
}

.admin-header nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.admin-header a {
  min-height: 38px;
  color: #102024;
  background: var(--gold);
}

.admin-shell {
  display: grid;
  gap: 20px;
  padding: clamp(22px, 4vw, 42px) clamp(20px, 5vw, 72px);
}

.admin-welcome {
  padding: 28px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.metric-grid article {
  padding: 24px;
}

.metric-grid span {
  display: block;
  color: var(--muted);
  font-weight: 800;
}

.metric-grid strong {
  display: block;
  margin-top: 12px;
  color: var(--teal);
  font-size: 42px;
  line-height: 1;
}

.admin-panel {
  padding: 28px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  margin-bottom: 18px;
}

.panel-head h2 {
  margin: 0;
}

.panel-head span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

.inquiry-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
  background: #fbfcfc;
}

.inquiry-item div,
.inquiry-item footer {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  align-items: center;
}

.inquiry-item strong {
  font-size: 18px;
}

.inquiry-item span,
.inquiry-item time {
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.inquiry-item p {
  margin: 12px 0;
  color: var(--ink);
  line-height: 1.7;
}

@media (max-width: 720px) {
  .admin-header,
  .panel-head {
    align-items: flex-start;
    flex-direction: column;
  }

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