:root {
  --bg: #f7f5f0;
  --paper: #fffdf8;
  --ink: #2c2416;
  --muted: #6b6358;
  --accent: #8b6914;
  --accent-light: #c4a35a;
  --border: #e0d8c8;
  --danger: #a94442;
  --ok: #3c763d;
  --font: "Noto Sans TC", "PingFang TC", "微軟正黑體", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.admin-page {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.55;
}

.admin-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 16px;
  background: var(--paper);
  border-bottom: 1px solid var(--border);
}

.admin-header__brand {
  font-weight: 800;
  color: var(--accent);
  text-decoration: none;
  font-size: 1.05rem;
}

.admin-nav-toggle {
  display: none;
  border: 1px solid var(--border);
  background: var(--paper);
  border-radius: 8px;
  padding: 8px 12px;
  cursor: pointer;
}

.admin-nav {
  margin: 12px 16px;
  padding: 10px 12px;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
  align-items: center;
}

.admin-nav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
  align-items: center;
  width: 100%;
}

.admin-nav__links--all {
  width: 100%;
}

.admin-nav__links--sub {
  margin-left: 0;
}

.admin-nav__link {
  display: inline-block;
  padding: 0.4rem 0.85rem;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
}

.admin-nav__link:hover {
  border-color: var(--accent-light);
}

.admin-nav__link--active {
  border-color: var(--accent);
  background: #faf6ee;
  color: var(--accent);
  font-weight: 700;
}

.admin-nav__link--extra {
  color: var(--muted);
}

.admin-nav__link--logout {
  margin-left: auto;
  border-color: #d8b4b4;
  color: var(--danger);
}

.admin-nav__user {
  display: inline-block;
  padding: 0.35rem 0.6rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.admin-main {
  max-width: min(1680px, 100%);
  margin: 0 auto;
  padding: 0 16px 40px;
}

.admin-main h1,
.admin-main h2 {
  margin: 0 0 16px;
  font-size: clamp(1.2rem, 2.5vw, 1.6rem);
  color: var(--accent);
}

.card {
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
  box-shadow: 0 1px 3px rgba(44, 36, 22, 0.06);
}

.card-header {
  font-weight: 700;
  margin-bottom: 0.75rem;
}

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}

.alert-success {
  background: #f4faf4;
  border: 1px solid #c8e6c9;
  color: var(--ok);
}

.alert-info {
  background: #eef6ff;
  border: 1px solid #cfe3ff;
  color: #1a4f8f;
}

.alert-danger {
  background: #fdf2f2;
  border: 1px solid #f0c2c2;
  color: var(--danger);
}

.form-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: var(--muted);
}

input[type="text"],
input[type="number"],
input[type="file"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-size: 1rem;
  background: #fff;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 0.95rem;
  cursor: pointer;
  text-decoration: none;
  text-align: center;
  background: #eee;
  color: var(--ink);
}

.btn-primary {
  background: var(--accent);
  color: #fff;
}

.btn-success {
  background: var(--ok);
  color: #fff;
}

.btn-outline {
  background: transparent;
  border-color: var(--border);
}

.btn-sm {
  padding: 0.35rem 0.7rem;
  font-size: 0.85rem;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  min-width: 720px;
}

table.data th,
table.data td {
  border: 1px solid var(--border);
  padding: 0.4rem 0.45rem;
  vertical-align: middle;
}

table.data th {
  background: #f0ebe4;
  white-space: nowrap;
}

table.data input,
table.data select {
  font-size: 0.85rem;
  padding: 0.25rem 0.35rem;
}

.admin-footer {
  text-align: center;
  padding: 1rem;
  font-size: 0.85rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
}

.text-end {
  text-align: right;
}

.text-muted {
  color: var(--muted);
}

.small {
  font-size: 0.85rem;
}

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

@media (max-width: 900px) {
  .admin-nav-toggle {
    display: inline-block;
  }

  .admin-nav {
    display: none;
    flex-direction: column;
    align-items: stretch;
  }

  .admin-nav.is-open {
    display: flex;
  }

  .admin-nav__links--sub {
    margin-left: 0;
    padding-top: 8px;
    border-top: 1px dashed var(--border);
  }
}