:root {
  --bg: #0a0a0f;
  --bg-card: #12121a;
  --bg-elevated: #1a1a24;
  --border: rgba(255, 255, 255, 0.08);
  --text: #f0f0f5;
  --text-muted: #9a9aab;
  --accent: #a78bfa;
  --accent-2: #ec4899;
  --danger: #f87171;
  --success: #34d399;
  --warn: #fbbf24;
  --radius: 12px;
  --font: "Noto Sans Thai", system-ui, sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 40% at 50% -10%, rgba(167, 139, 250, 0.12), transparent);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 999px;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border: none;
  transition: 0.15s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
}
.btn-primary:hover { opacity: 0.9; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); background: var(--bg-elevated); }
.btn-sm { padding: 4px 10px; font-size: 0.75rem; }
.btn-danger { color: var(--danger); border-color: rgba(248, 113, 113, 0.3); }

/* Login */
.login-view {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 36px;
  width: 100%;
  max-width: 380px;
  text-align: center;
}
.login-logo { font-size: 2.5rem; margin-bottom: 8px; }
.login-card h1 { font-size: 1.4rem; margin-bottom: 4px; }
.login-sub { color: var(--text-muted); font-size: 0.85rem; margin-bottom: 28px; }
.login-card label {
  display: block;
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}
.login-card input {
  width: 100%;
  margin-top: 6px;
  padding: 10px 14px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-card .btn-primary { width: 100%; justify-content: center; margin-top: 8px; }
.login-error { color: var(--danger); font-size: 0.85rem; margin-top: 12px; }
.back-link { display: inline-block; margin-top: 20px; font-size: 0.85rem; color: var(--text-muted); }

/* Dashboard */
.admin-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(10, 10, 15, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.admin-header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo { font-weight: 700; color: var(--text); text-decoration: none; }
.header-right { display: flex; gap: 8px; }

.stats-row {
  max-width: 1200px;
  margin: 24px auto 0;
  padding: 0 20px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
}
.stat-val { font-size: 1.5rem; font-weight: 700; }
.stat-lbl { font-size: 0.75rem; color: var(--text-muted); margin-top: 2px; }

.toolbar {
  max-width: 1200px;
  margin: 20px auto 12px;
  padding: 0 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.toolbar input[type="search"],
.toolbar select {
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
}
.toolbar input[type="search"] { flex: 1; min-width: 180px; }
.toolbar input:focus, .toolbar select:focus { border-color: var(--accent); }

.table-wrap {
  max-width: 1200px;
  margin: 0 auto 40px;
  padding: 0 20px;
  overflow-x: auto;
}
.admin-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.85rem;
}
.admin-table th {
  text-align: left;
  padding: 12px 14px;
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
.admin-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: rgba(167, 139, 250, 0.04); }
.loading-cell { text-align: center; color: var(--text-muted); padding: 32px !important; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 500;
}
.badge-ok { background: rgba(52, 211, 153, 0.15); color: var(--success); }
.badge-hide { background: rgba(251, 191, 36, 0.15); color: var(--warn); }
.badge-del { background: rgba(248, 113, 113, 0.15); color: var(--danger); }
.badge-ver { background: rgba(29, 155, 240, 0.15); color: #1d9bf0; }

.row-actions { display: flex; flex-wrap: wrap; gap: 4px; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal[hidden] { display: none; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
}
.modal-panel {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 28px;
  width: 100%;
  max-width: 560px;
  max-height: 90vh;
  overflow-y: auto;
}
.modal-panel h2 { margin-bottom: 20px; font-size: 1.2rem; }
.import-panel { max-width: 680px; }
.modal-help { color: var(--text-muted); font-size: 0.82rem; line-height: 1.6; margin: -8px 0 16px; }
.import-panel > input[type="file"] { width: 100%; padding: 10px; background: var(--bg-elevated); border: 1px dashed var(--border); border-radius: 8px; color: var(--text-muted); margin-bottom: 12px; }
.import-label { display: flex; flex-direction: column; gap: 6px; color: var(--text-muted); font-size: 0.8rem; }
.import-label textarea { width: 100%; resize: vertical; }
.import-preview { margin-top: 14px; padding: 12px 14px; border: 1px solid rgba(52, 211, 153, 0.35); background: rgba(52, 211, 153, 0.07); border-radius: 10px; font-size: 0.82rem; line-height: 1.6; }
.import-preview ul { margin: 8px 0 0 18px; color: var(--text-muted); }
.import-preview small { color: var(--text-muted); }
.import-warn { display: block; color: var(--warn); margin-top: 4px; }

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.form-grid label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
  color: var(--text-muted);
}
.form-grid label.full { grid-column: 1 / -1; }
.form-grid label.checkbox-label {
  flex-direction: row;
  align-items: center;
  gap: 8px;
  padding-top: 24px;
}
.form-grid input,
.form-grid textarea {
  padding: 8px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  outline: none;
}
.form-grid input:focus,
.form-grid textarea:focus { border-color: var(--accent); }
.form-error { color: var(--danger); font-size: 0.85rem; margin-top: 12px; }
.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  padding: 12px 20px;
  border-radius: 999px;
  font-size: 0.85rem;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
}
.toast[hidden] { display: none; }
.toast.ok { border-color: rgba(52, 211, 153, 0.4); }
.toast.err { border-color: rgba(248, 113, 113, 0.4); }

@media (max-width: 700px) {
  .stats-row { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid label.checkbox-label { padding-top: 8px; }
}

.stats-row { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); }
.top-clicked {
  max-width: 1200px;
  margin: 12px auto 0;
  padding: 0 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
}
.top-clicked strong { color: var(--text); }