:root {
  --primary: #9B59B6;
  --primary-strong: #8E44AD;
  --bg: #f7f5fb;
  --panel: #ffffff;
  --text: #1A1A2E;
  --muted: #6B7280;
  --border: #e5e7eb;
  --danger: #dc2626;
  --warning: #d97706;
  --success: #16a34a;
  --shadow: 0 18px 40px rgba(0,0,0,0.08);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Manrope','Helvetica Neue','Helvetica','sans-serif';
  color: var(--text);
  background: linear-gradient(180deg, #f9f7fc 0%, #f4f1f9 100%);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
button, input, textarea, select {
  font: inherit;
}
.layout {
  min-height: 100vh;
}
.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 28px;
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(249,247,252,0.82);
  border-bottom: 1px solid rgba(229,231,235,0.8);
}
.brand {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.brand strong { font-size: 18px; }
.brand span { color: var(--muted); font-size: 13px; }
.shell {
  width: min(1380px, calc(100% - 32px));
  margin: 24px auto 40px;
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 20px;
}
.sidebar, .panel, .metric-card, .empty-state, .login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
}
.sidebar {
  padding: 18px;
  position: sticky;
  top: 92px;
  height: fit-content;
}
.sidebar h2 {
  margin: 0 0 6px;
  font-size: 18px;
}
.sidebar p { margin: 0 0 16px; color: var(--muted); font-size: 14px; line-height: 1.45; }
.nav-list {
  display: grid;
  gap: 8px;
}
.nav-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 12px 14px;
  background: #faf9fc;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 14px;
  cursor: pointer;
  transition: 140ms ease;
}
.nav-btn.active {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  border-color: transparent;
  box-shadow: 0 14px 30px rgba(155,89,182,0.22);
}
.content {
  display: grid;
  gap: 20px;
}
.panel {
  padding: 20px;
}
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 18px;
}
.section-head h1, .section-head h2 {
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.section-head p {
  margin: 0;
  color: var(--muted);
  line-height: 1.5;
}
.metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}
.metric-card {
  padding: 18px;
}
.metric-card h3 {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
}
.metric-card .value {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.03em;
}
.metric-card .meta {
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}
.grid-two {
  display: grid;
  grid-template-columns: 1.2fr .8fr;
  gap: 16px;
}
.table-wrap {
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 16px;
}
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
th, td {
  text-align: left;
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px;
  vertical-align: top;
}
th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  background: #fbfbfd;
}
.controls, .toolbar, .form-grid {
  display: grid;
  gap: 12px;
}
.toolbar {
  grid-template-columns: 1fr auto auto;
  margin-bottom: 16px;
}
.form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
input, textarea, select {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff;
  color: var(--text);
  outline: none;
  transition: border-color 140ms ease, box-shadow 140ms ease;
}
textarea { min-height: 120px; resize: vertical; }
input:focus, textarea:focus, select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(155,89,182,0.12);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 14px;
  padding: 11px 16px;
  background: #f3eff8;
  color: var(--text);
  font-weight: 700;
  cursor: pointer;
  text-decoration: none;
  transition: transform 120ms ease, box-shadow 120ms ease, opacity 120ms ease;
}
.btn:hover { transform: translateY(-1px); }
.btn.primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-strong));
  color: #fff;
  box-shadow: 0 14px 30px rgba(155,89,182,0.22);
}
.btn.outline {
  background: #fff;
  border-color: var(--border);
}
.btn.danger {
  background: rgba(220,38,38,0.1);
  color: var(--danger);
  border-color: rgba(220,38,38,0.15);
}
.btn.warning {
  background: rgba(217,119,6,0.1);
  color: var(--warning);
  border-color: rgba(217,119,6,0.16);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}
.badge.purple { background: #f4e9fb; color: var(--primary-strong); }
.badge.green { background: rgba(22,163,74,0.12); color: var(--success); }
.badge.orange { background: rgba(217,119,6,0.12); color: var(--warning); }
.badge.red { background: rgba(220,38,38,0.12); color: var(--danger); }
.badge.gray { background: #f3f4f6; color: #4b5563; }
.card-list {
  display: grid;
  gap: 12px;
}
.user-card, .feed-item {
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  background: #fff;
}
.user-card h3, .feed-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
}
.muted { color: var(--muted); }
.row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.hidden { display: none !important; }
.empty-state {
  padding: 26px;
  text-align: center;
  color: var(--muted);
}
.notice {
  border-radius: 14px;
  padding: 12px 14px;
  font-size: 14px;
  display: none;
}
.notice.show { display: block; }
.notice.error { background: rgba(220,38,38,0.1); color: var(--danger); }
.notice.success { background: rgba(22,163,74,0.1); color: var(--success); }
.kv {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 8px 12px;
  font-size: 14px;
}
.kv strong { color: #111827; }
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: min(520px, 100%);
  padding: 28px;
}
.login-card h1 { margin: 0 0 10px; letter-spacing: -0.02em; }
.login-card p { margin: 0 0 18px; color: var(--muted); line-height: 1.5; }
.helper-links {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-top: 16px;
  font-size: 14px;
  color: var(--muted);
}
.admin-modal {
  position: fixed;
  inset: 0;
  z-index: 60;
}
.admin-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(17,24,39,0.52);
}
.admin-modal__panel {
  position: relative;
  width: min(680px, calc(100% - 24px));
  max-height: calc(100vh - 24px);
  overflow: auto;
  margin: 12px auto;
  padding: 18px;
  border-radius: 18px;
  background: #fff;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.check-list {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 10px;
  background: #fff;
  max-height: 260px;
  overflow: auto;
  display: grid;
  gap: 8px;
}
.check-list .row {
  justify-content: flex-start;
}
.achievement-group {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: #faf9fc;
}
.achievement-group summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
}
.achievement-group summary::-webkit-details-marker {
  display: none;
}
.achievement-group summary::after {
  content: "+";
  color: var(--muted);
  font-weight: 800;
}
.achievement-group__title {
  font-weight: 800;
}
.achievement-group[open] summary {
  border-bottom: 1px solid var(--border);
}
.achievement-group[open] summary::after {
  content: "-";
}
.achievement-group__items {
  display: grid;
  gap: 8px;
  padding: 10px 12px 12px;
}
@media (max-width: 1080px) {
  .shell { grid-template-columns: 1fr; }
  .sidebar { position: static; }
  .grid-two, .form-grid.two, .toolbar { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .topbar { padding: 16px; }
  .shell { width: min(100% - 18px, 100%); margin: 16px auto 32px; }
  .panel, .sidebar { padding: 16px; border-radius: 18px; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .kv { grid-template-columns: 1fr; }
}