:root {
  color-scheme: light;
  --bg: hsl(228 45% 98%);
  --surface: rgba(255, 255, 255, 0.92);
  --surface-strong: #ffffff;
  --text: hsl(222 24% 15%);
  --muted: hsl(223.6 4.5% 47.6%);
  --border: hsl(220 32% 92%);
  --primary: hsl(211.4 85.2% 47.8%);
  --primary-soft: rgba(18, 117, 226, 0.12);
  --danger: hsl(2 77% 57%);
  --success: hsl(148 61% 38%);
  --warning: hsl(31 98% 45%);
  --shadow: 0 20px 60px rgba(38, 65, 118, 0.08);
  --shadow-soft: 0 12px 30px rgba(38, 65, 118, 0.06);
  --radius-lg: 14px;
  --radius-md: 8px;
  --radius-sm: 6px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  background:
    radial-gradient(circle at top left, rgba(18, 117, 226, 0.14), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 100%);
  color: var(--text);
  font-family: "Public Sans", sans-serif;
}

body {
  line-height: 1.55;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

.mono {
  font-family: "JetBrains Mono", monospace;
}

.page-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}

.sidebar {
  position: sticky;
  top: 0;
  align-self: start;
  min-height: 100vh;
  padding: 28px 20px 20px;
  border-right: 1px solid rgba(18, 32, 56, 0.06);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(18px);
}

.brand {
  margin-bottom: 28px;
}

.brand h1 {
  margin: 0;
  font-size: 24px;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.brand p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-button {
  appearance: none;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  text-align: left;
  transition:
    background-color 0.2s ease-out,
    border-color 0.2s ease-out,
    transform 0.2s ease-out;
}

.nav-button:hover,
.nav-button.active {
  background: var(--primary-soft);
  border-color: rgba(18, 117, 226, 0.18);
  transform: translateY(-1px);
}

.sidebar-footer {
  margin-top: 28px;
  font-size: 12px;
  color: var(--muted);
}

.content {
  padding: 28px 30px 80px;
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.toolbar h2 {
  margin: 0;
  font-size: 28px;
  letter-spacing: -0.02em;
}

.toolbar p {
  margin: 6px 0 0;
  color: var(--muted);
}

.stack {
  display: grid;
  gap: 18px;
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 22px;
}

.panel h3 {
  margin: 0 0 6px;
  font-size: 18px;
  letter-spacing: -0.01em;
}

.panel > p {
  margin: 0 0 16px;
  color: var(--muted);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 16px;
}

.field {
  display: grid;
  gap: 8px;
}

.field.full {
  grid-column: 1 / -1;
}

.field label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.94);
  color: var(--text);
  border-radius: var(--radius-md);
  padding: 12px 13px;
  min-height: 44px;
  transition:
    border-color 0.2s ease-out,
    box-shadow 0.2s ease-out,
    transform 0.2s ease-out;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.field textarea {
  min-height: 112px;
  resize: vertical;
}

.field input:focus-visible,
.field textarea:focus-visible,
.field select:focus-visible,
.action-button:focus-visible,
.nav-button:focus-visible {
  outline: none;
  border-color: rgba(18, 117, 226, 0.45);
  box-shadow:
    0 0 0 4px rgba(18, 117, 226, 0.14),
    inset 0 1px 0 rgba(255, 255, 255, 0.78);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  color: var(--text);
}

.checkbox-row input {
  width: 18px;
  height: 18px;
}

.actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 18px;
}

.action-button {
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  padding: 11px 16px;
  min-height: 42px;
  transition:
    transform 0.18s ease-out,
    border-color 0.18s ease-out,
    background-color 0.18s ease-out,
    color 0.18s ease-out;
}

.action-button.primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 10px 24px rgba(18, 117, 226, 0.2);
}

.action-button.secondary {
  background: #fff;
  border-color: var(--border);
  color: var(--text);
}

.action-button.ghost {
  background: transparent;
  border-color: transparent;
  color: var(--muted);
}

.action-button.danger {
  background: rgba(210, 57, 57, 0.1);
  color: var(--danger);
  border-color: rgba(210, 57, 57, 0.18);
}

.action-button:hover {
  transform: translateY(-1px);
}

.metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 16px;
  background: rgba(255, 255, 255, 0.78);
}

.metric strong {
  display: block;
  font-size: 26px;
  line-height: 1;
  letter-spacing: -0.03em;
}

.metric span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 900px;
  background: rgba(255, 255, 255, 0.82);
}

th,
td {
  padding: 12px 14px;
  text-align: left;
  border-bottom: 1px solid rgba(17, 31, 52, 0.06);
  vertical-align: top;
}

th {
  font-size: 12px;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
}

td {
  font-size: 14px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  background: rgba(18, 117, 226, 0.1);
  color: var(--primary);
}

.pill.success {
  background: rgba(33, 148, 91, 0.12);
  color: var(--success);
}

.pill.warning {
  background: rgba(232, 133, 24, 0.12);
  color: var(--warning);
}

.pill.danger {
  background: rgba(210, 57, 57, 0.12);
  color: var(--danger);
}

.code-block {
  border: 1px solid var(--border);
  background: #f8fbff;
  border-radius: var(--radius-md);
  padding: 14px;
  font-family: "JetBrains Mono", monospace;
  font-size: 12px;
  white-space: pre-wrap;
  word-break: break-word;
}

.note {
  color: var(--muted);
  font-size: 13px;
}

.login-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.login-panel {
  width: min(440px, 100%);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px;
}

.login-panel h1 {
  margin: 0;
  font-size: 32px;
  line-height: 1.02;
  letter-spacing: -0.03em;
}

.login-panel p {
  margin: 10px 0 20px;
  color: var(--muted);
}

.status-line {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.runtime-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(320px, 0.9fr);
  gap: 18px;
}

.empty-state {
  padding: 20px 0;
  color: var(--muted);
}

.banner {
  margin: 0 0 18px;
  padding: 12px 14px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  font-size: 14px;
}

.banner.success {
  background: rgba(33, 148, 91, 0.08);
  color: var(--success);
  border-color: rgba(33, 148, 91, 0.16);
}

.banner.error {
  background: rgba(210, 57, 57, 0.08);
  color: var(--danger);
  border-color: rgba(210, 57, 57, 0.16);
}

@media (max-width: 1180px) {
  .page-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    min-height: auto;
    border-right: none;
    border-bottom: 1px solid rgba(18, 32, 56, 0.06);
  }

  .content {
    padding: 22px 18px 50px;
  }

  .runtime-grid,
  .metrics,
  .form-grid {
    grid-template-columns: 1fr;
  }
}