:root {
  --bg: #f4f3ff;
  --surface: rgba(255,255,255,0.82);
  --surface-strong: #ffffff;
  --text: #111827;
  --text-soft: #5b6475;
  --border: #ddd9f8;
  --accent: #7c3aed;
  --accent-strong: #5b21b6;
  --accent-soft: #f3e8ff;
  --shadow: 0 20px 60px rgba(18, 24, 40, 0.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(124, 58, 237, 0.16), transparent 26%),
    radial-gradient(circle at 85% 8%, rgba(59, 130, 246, 0.08), transparent 18%),
    var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.admin-shell {
  width: min(calc(100% - 1rem), 1240px);
  margin-inline: auto;
  padding: 1rem 0 3rem;
}
.admin-header,
.notice-card,
.toolbar-card,
.status-card,
.panel,
.summary-card {
  background: var(--surface);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 26px;
}
.admin-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem;
}
.admin-header h1 {
  margin: 0.45rem 0 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 0.95;
}
.admin-header p { color: var(--text-soft); max-width: 72ch; }
.admin-header__actions,
.toolbar-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: start;
}
.pill {
  display: inline-flex;
  min-height: 2rem;
  align-items: center;
  padding: 0 0.85rem;
  border-radius: 999px;
  background: var(--accent-soft);
  border: 1px solid #d8b4fe;
  color: var(--accent-strong);
  font-size: 0.82rem;
  font-weight: 700;
}
.notice-grid,
.summary-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.notice-card,
.summary-card,
.toolbar-card,
.status-card,
.panel { padding: 1.1rem; }
.notice-card p,
.summary-card p,
.status-card,
.panel__head p,
label span + input,
label span + textarea { color: var(--text-soft); }
.toolbar-card {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
}
.status-card { margin-top: 1rem; }
.button,
.file-label {
  min-height: 2.9rem;
  padding: 0 1rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface-strong);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.button--primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: white;
  border-color: transparent;
}
.button--ghost { background: rgba(255,255,255,0.55); }
.file-label input { display: none; }
.admin-form { display: grid; gap: 1rem; margin-top: 1rem; }
.panel__head h2 { margin: 0; font-size: 1.25rem; }
.field-grid,
.json-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}
.field-grid__full,
.json-grid label { grid-column: 1 / -1; }
label {
  display: grid;
  gap: 0.5rem;
}
label span {
  font-size: 0.9rem;
  font-weight: 700;
}
input,
textarea {
  width: 100%;
  border-radius: 18px;
  border: 1px solid var(--border);
  background: white;
  padding: 0.9rem 1rem;
  color: var(--text);
}
textarea {
  resize: vertical;
  min-height: 9rem;
  line-height: 1.55;
}
.summary-card strong {
  display: block;
  font-size: 1.7rem;
  line-height: 1;
}
.summary-card span { color: var(--text-soft); }
@media (max-width: 900px) {
  .admin-header,
  .toolbar-card,
  .notice-grid,
  .summary-grid,
  .field-grid,
  .json-grid {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
}