.admin-body { background: var(--paper-dim); }
.admin-shell { display: flex; min-height: calc(100vh - 6px); }

.admin-sidebar {
  width: 250px; flex-shrink: 0;
  background: var(--ink); color: var(--paper);
  padding: 24px 18px;
}
.admin-brand { display: flex; gap: 10px; align-items: center; font-family: var(--font-display); font-size: 0.95rem; margin-bottom: 28px; }
.admin-brand small { font-family: var(--font-mono); font-size: 0.65rem; color: #B9B6A8; }
.admin-brand .brand__mark { background: var(--paper); color: var(--ink); width: 36px; height: 36px; border-radius: 50%; display:flex; align-items:center; justify-content:center; font-weight:700; flex-shrink:0; }

.admin-nav { display: flex; flex-direction: column; gap: 2px; }
.admin-nav a { color: var(--paper); text-decoration: none; padding: 10px 12px; border-radius: 6px; font-size: 0.93rem; }
.admin-nav a:hover, .admin-nav a.is-active { background: rgba(255,255,255,0.1); }
.admin-nav hr { border: none; border-top: 1px solid #3B3E33; margin: 12px 0; }

.admin-main { flex: 1; padding: 32px 40px; max-width: 1100px; }
.admin-topbar { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 20px; flex-wrap: wrap; gap: 8px;}
.admin-topbar h1 { margin: 0; font-size: 1.6rem; }

.admin-flash {
  background: #DCEBE2; border: 1px solid var(--malachite); color: var(--malachite-dk);
  padding: 12px 18px; border-radius: 6px; margin-bottom: 20px; font-size: 0.92rem;
}

.admin-card { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 24px; margin-bottom: 24px; }

.admin-table { width: 100%; border-collapse: collapse; background: var(--paper); border-radius: 8px; overflow: hidden; }
.admin-table th, .admin-table td { text-align: left; padding: 12px 14px; border-bottom: 1px solid var(--line); font-size: 0.92rem; vertical-align: top; }
.admin-table th { background: var(--paper-dim); font-family: var(--font-mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft); }
.admin-table tr:last-child td { border-bottom: none; }
.admin-table .actions { white-space: nowrap; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.form-group .hint { display:block; font-weight: 400; color: var(--ink-soft); font-size: 0.82rem; margin-top:4px; }
.form-control {
  width: 100%; font-family: var(--font-body); font-size: 0.96rem;
  padding: 10px 12px; border: 1px solid var(--line); border-radius: 6px; background: #fff; color: var(--ink);
}
textarea.form-control { min-height: 140px; font-family: var(--font-mono); font-size: 0.88rem; resize: vertical; }
select.form-control { cursor: pointer; }

.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 8px; }
.btn-sm { font-size: 0.85rem; padding: 8px 14px; }
.btn-danger { background: var(--cinnabar); color: #fff; }
.btn-danger:hover { background: var(--cinnabar-dk); }

.tag { display: inline-block; font-family: var(--font-mono); font-size: 0.72rem; padding: 3px 10px; border-radius: 999px; background: var(--paper-dim); border: 1px solid var(--line); }
.tag--bachelor { border-color: var(--azurite); color: var(--azurite-dk); }
.tag--master { border-color: var(--malachite); color: var(--malachite-dk); }
.tag--foreign, .tag--foreign_bachelor, .tag--foreign_master { border-color: var(--cinnabar); color: var(--cinnabar-dk); }
.tag--common { border-color: var(--ochre); color: var(--ochre-dk); }

.answer-row { display: grid; grid-template-columns: 2fr 1fr 1fr auto; gap: 10px; align-items: start; margin-bottom: 10px; padding-bottom: 10px; border-bottom: 1px dashed var(--line); }

.login-shell { display: flex; align-items: center; justify-content: center; min-height: 90vh; }
.login-card { background: var(--paper); border: 1px solid var(--line); border-top: 5px solid var(--ochre); border-radius: 8px; padding: 40px; width: 100%; max-width: 380px; }
.login-card h1 { font-size: 1.4rem; }
.error-box { background: #F3DEDB; border: 1px solid var(--cinnabar); color: var(--cinnabar-dk); padding: 10px 14px; border-radius: 6px; margin-bottom: 16px; font-size: 0.9rem; }

@media (max-width: 860px) {
  .admin-shell { flex-direction: column; }
  .admin-sidebar { width: auto; }
  .admin-main { padding: 24px 20px; }
  .answer-row { grid-template-columns: 1fr; }
}