.admin-layout {
  display: grid;
  grid-template-columns: 236px 1fr;
  min-height: calc(100vh - 64px);
}
.admin-nav {
  border-right: 1px solid var(--line);
  background: rgba(10, 18, 32, 0.35);
  padding: 16px 10px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  position: sticky;
  top: 64px;
  height: calc(100vh - 64px);
  overflow-y: auto;
}
.admin-nav a {
  display: flex;
  gap: 11px;
  align-items: center;
  padding: 10px 14px;
  border-radius: 12px;
  color: var(--fg-2);
  text-decoration: none;
  font-weight: 500;
}
.admin-nav a .ic {
  width: 19px;
  height: 19px;
  color: var(--muted);
}
.admin-nav a:hover {
  background: var(--tint-2);
  color: var(--fg);
}
.admin-nav a.active {
  background: var(--cadet);
  color: var(--navy);
  font-weight: 700;
}
.admin-nav a.active .ic {
  color: var(--navy);
}
.admin-main {
  padding: 26px;
  min-width: 0;
  max-width: 1240px;
  width: 100%;
}

@media (max-width: 860px) {
  .admin-layout {
    grid-template-columns: 1fr;
  }
  .admin-nav {
    position: sticky;
    top: 64px;
    z-index: 15;
    height: auto;
    flex-direction: row;
    overflow-x: auto;
    border-right: 0;
    border-bottom: 1px solid var(--line);
    background: rgba(19, 33, 60, 0.9);
    backdrop-filter: blur(10px);
    padding: 8px;
  }
  .admin-nav a {
    white-space: nowrap;
    padding: 8px 12px;
  }
  .admin-main {
    padding: 16px;
  }
  .hide-mobile {
    display: none !important;
  }
}

.page-head {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}
.page-head h1 {
  margin: 0;
  flex: 1;
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  white-space: nowrap;
}

/* ── Stat tiles ──────────────────────────────────────────────────── */

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}
.stat {
  background: linear-gradient(180deg, rgba(251, 246, 240, 0.085), rgba(251, 246, 240, 0.03));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}
.stat .label {
  color: var(--muted);
  font-size: 0.9rem;
}
.stat .value {
  font-family: var(--font-display);
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1.15;
}
.stat .sub {
  color: var(--muted);
  font-size: 0.82rem;
}
.stat.hero {
  background: var(--cadet);
  border-color: transparent;
  color: var(--navy);
}
.stat.hero .label,
.stat.hero .sub {
  color: rgba(19, 33, 60, 0.72);
}
.stat.hero .value {
  font-size: 3.3rem;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 16px;
}
.two-col > .card + .card {
  margin-top: 0;
}
@media (max-width: 1000px) {
  .two-col {
    grid-template-columns: 1fr;
  }
}

/* ── Charts (single series, one hue) ─────────────────────────────── */

.hbar-list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.hbar {
  display: grid;
  grid-template-columns: minmax(90px, 34%) 1fr 48px;
  gap: 10px;
  align-items: center;
  font-size: 0.9rem;
  padding: 3px 4px;
  border-radius: 8px;
}
.hbar:hover {
  background: var(--tint-1);
}
.hbar .lbl {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--fg-2);
}
.hbar .track {
  height: 18px;
  border-left: 1px solid var(--line);
  display: flex;
  align-items: center;
}
.hbar .fill {
  height: 16px;
  background: var(--cadet);
  border-radius: 0 4px 4px 0;
  min-width: 2px;
}
.hbar.inactive .fill {
  background: var(--cool);
  opacity: 0.6;
}
.hbar .val {
  text-align: right;
  font-variant-numeric: tabular-nums;
}

.columns {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 170px;
  border-bottom: 1px solid var(--line);
  padding-top: 8px;
}
.columns .col {
  flex: 1;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  position: relative;
}
.columns .col .bar {
  width: 100%;
  max-width: 24px;
  background: var(--cadet);
  border-radius: 4px 4px 0 0;
  min-height: 1px;
}
.columns .col:hover .bar {
  filter: brightness(1.15);
}
.columns .col .tip {
  display: none;
  position: absolute;
  bottom: calc(100% + 4px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--offwhite);
  color: var(--navy);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 8px;
  white-space: nowrap;
  z-index: 2;
  pointer-events: none;
}
.columns .col:hover .tip {
  display: block;
}
.columns-axis {
  display: flex;
  gap: 2px;
  font-size: 0.72rem;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}
.columns-axis span {
  flex: 1;
  text-align: center;
}

.meter-row {
  margin-bottom: 14px;
}
.meter-row .meter-head {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  font-size: 0.92rem;
  margin-bottom: 5px;
}
.meter {
  height: 8px;
  border-radius: 999px;
  background: var(--tint-2);
  overflow: hidden;
}
.meter > span {
  display: block;
  height: 100%;
  background: var(--cadet);
  border-radius: 999px;
}

/* ── Toolbar / tables ────────────────────────────────────────────── */

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 14px;
}
.toolbar input[type='search'] {
  flex: 1;
  min-width: 220px;
}
.toolbar select {
  width: auto;
}
.pager {
  display: flex;
  gap: 8px;
  align-items: center;
  justify-content: flex-end;
  margin-top: 14px;
  flex-wrap: wrap;
}
.mini-bar {
  width: 72px;
  height: 6px;
  border-radius: 999px;
  background: var(--tint-2);
  overflow: hidden;
  display: inline-block;
  vertical-align: middle;
  margin-left: 8px;
}
.mini-bar > span {
  display: block;
  height: 100%;
  background: var(--cadet);
}
.code-text {
  color: var(--cadet);
}

.edit-table td {
  padding: 7px 9px;
}
.edit-table input[type='text'],
.edit-table input[type='number'] {
  min-height: 40px;
  padding: 6px 11px;
}
.edit-table .w-no {
  width: 90px;
}
.edit-table .w-num {
  width: 120px;
}

.import-result {
  margin-top: 14px;
}
.import-result .result-box {
  border-radius: 16px;
  border: 1px solid var(--cadet);
  background: var(--accent-fill);
  padding: 16px 18px;
}
.import-result ul {
  margin: 8px 0 0;
  padding-left: 20px;
  max-height: 200px;
  overflow-y: auto;
}

.danger-zone {
  border-color: var(--bad-line);
}
.danger-zone h2 {
  color: var(--bad);
}

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0 14px;
}
@media (max-width: 600px) {
  .detail-grid {
    grid-template-columns: 1fr;
  }
}
.detail-section {
  margin-top: 24px;
}
.detail-section h4 {
  margin: 0 0 10px;
  font-size: 1.02rem;
}
.qr-preview,
.staff-link img {
  width: 148px;
  height: 148px;
  border-radius: 16px;
  padding: 8px;
  background: #fff;
}

.staff-link {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

.notice-bar {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  background: var(--warn-soft);
  color: var(--warn);
  border-bottom: 1px solid var(--warn-line);
  padding: 10px 18px;
  font-weight: 600;
  font-size: 0.92rem;
}
.notice-bar .ic {
  margin-top: 0.2em;
}