:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --panel: #ffffff;
  --line: #dce3ec;
  --text: #17202a;
  --muted: #657286;
  --brand: #0f766e;
  --brand-dark: #115e59;
  --danger: #b42318;
  --warning: #9a5b00;
  --soft: #edf7f5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: var(--brand-dark);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  min-height: 100vh;
}

.topbar {
  align-items: center;
  background: var(--panel);
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 20px;
  justify-content: space-between;
  padding: 14px 28px;
}

.brand {
  color: var(--text);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.nav {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.nav a,
.nav button {
  background: transparent;
  border: 0;
  color: var(--muted);
  cursor: pointer;
  font: inherit;
  padding: 6px 0;
}

.nav a.active,
.nav a:hover,
.nav button:hover {
  color: var(--brand-dark);
}

.container {
  margin: 0 auto;
  max-width: 1180px;
  padding: 28px;
}

.auth-wrap {
  align-items: center;
  display: grid;
  min-height: 100vh;
  padding: 24px;
}

.auth-panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  margin: 0 auto;
  max-width: 420px;
  padding: 28px;
  width: 100%;
}

.page-head {
  align-items: flex-start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
  margin-bottom: 22px;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  margin: 0;
}

h1 {
  font-size: 28px;
}

h2 {
  font-size: 20px;
}

h3 {
  font-size: 16px;
}

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

.grid {
  display: grid;
  gap: 16px;
}

.grid.cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid.cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card,
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.card {
  padding: 18px;
}

.panel {
  overflow: hidden;
}

.panel-head,
.panel-row {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
  padding: 16px 18px;
}

.panel-head {
  background: #fbfcfe;
  border-bottom: 1px solid var(--line);
}

.panel-row + .panel-row {
  border-top: 1px solid var(--line);
}

.stack {
  display: grid;
  gap: 14px;
}

.form {
  display: grid;
  gap: 14px;
}

.field {
  display: grid;
  gap: 6px;
}

label {
  color: #354255;
  font-size: 14px;
  font-weight: 650;
}

input,
select,
textarea {
  background: #fff;
  border: 1px solid #cdd7e3;
  border-radius: 6px;
  color: var(--text);
  font: inherit;
  min-height: 42px;
  padding: 9px 11px;
  width: 100%;
}

textarea {
  min-height: 118px;
  resize: vertical;
}

.btn {
  align-items: center;
  background: var(--brand);
  border: 1px solid var(--brand);
  border-radius: 6px;
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  font: inherit;
  font-weight: 700;
  gap: 8px;
  justify-content: center;
  min-height: 40px;
  padding: 8px 13px;
  text-decoration: none;
}

.btn:hover {
  background: var(--brand-dark);
  color: #fff;
  text-decoration: none;
}

.btn.secondary {
  background: #fff;
  border-color: #cdd7e3;
  color: #263549;
}

.btn.secondary:hover {
  background: #f8fafc;
}

.btn.danger {
  background: #fff;
  border-color: #f3b7b2;
  color: var(--danger);
}

.btn.danger:hover {
  background: #fff5f4;
}

.actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  background: var(--soft);
  border: 1px solid #b9e1da;
  border-radius: 999px;
  color: var(--brand-dark);
  display: inline-flex;
  font-size: 12px;
  font-weight: 800;
  padding: 4px 8px;
}

.badge.off {
  background: #fff7ed;
  border-color: #fed7aa;
  color: var(--warning);
}

.flash {
  border-radius: 8px;
  margin-bottom: 16px;
  padding: 12px 14px;
}

.flash.ok {
  background: #ecfdf3;
  border: 1px solid #abe8c4;
  color: #05603a;
}

.flash.error {
  background: #fff1f0;
  border: 1px solid #ffb4ad;
  color: var(--danger);
}

.empty {
  color: var(--muted);
  padding: 24px;
  text-align: center;
}

.table {
  border-collapse: collapse;
  width: 100%;
}

.table th,
.table td {
  border-bottom: 1px solid var(--line);
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
}

.table th {
  background: #fbfcfe;
  color: #435068;
  font-size: 13px;
}

.table tr:last-child td {
  border-bottom: 0;
}

.rich-text {
  line-height: 1.65;
  white-space: pre-wrap;
}

@media (max-width: 760px) {
  .topbar,
  .page-head,
  .panel-head,
  .panel-row {
    align-items: stretch;
    flex-direction: column;
  }

  .container {
    padding: 20px;
  }

  .grid.cols-2,
  .grid.cols-3 {
    grid-template-columns: 1fr;
  }

  .table {
    display: block;
    overflow-x: auto;
  }
}