:root {
  color-scheme: light;
  --bg: #f4f7fb;
  --surface: rgba(255, 255, 255, 0.96);
  --surface-muted: #f8fafc;
  --line: rgba(15, 23, 42, 0.08);
  --text: #0f172a;
  --text-soft: rgba(15, 23, 42, 0.62);
  --primary: #2563eb;
  --primary-soft: rgba(37, 99, 235, 0.08);
  --danger: #ef4444;
  --shadow: 0 20px 48px rgba(15, 23, 42, 0.08);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at top right, rgba(37, 99, 235, 0.10), transparent 28%),
    radial-gradient(circle at top left, rgba(245, 158, 11, 0.10), transparent 26%),
    var(--bg);
  color: var(--text);
}

button,
input,
select {
  font: inherit;
}

button {
  cursor: pointer;
  border: none;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  background: #fff;
  color: var(--text);
}

input:focus,
select:focus {
  outline: 2px solid rgba(37, 99, 235, 0.18);
  border-color: rgba(37, 99, 235, 0.38);
}

.page-shell {
  width: min(1200px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 4vw, 40px);
}

.subcopy {
  margin: 10px 0 0;
  max-width: 720px;
  color: var(--text-soft);
  line-height: 1.7;
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.layout,
.dashboard,
.section-stack,
.form-grid,
.list-stack {
  display: grid;
  gap: 20px;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}

.card,
.sub-card,
.metric-card,
.subtle-panel {
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  box-shadow: var(--shadow);
}

.card {
  padding: 24px;
}

.card--login {
  max-width: 560px;
}

.card--banner {
  padding-bottom: 20px;
}

.sub-card,
.metric-card,
.subtle-panel {
  padding: 18px;
}

.subtle-panel {
  background: linear-gradient(135deg, rgba(255,255,255,0.92), rgba(248,250,252,0.96));
  border: 1px dashed rgba(15, 23, 42, 0.12);
  box-shadow: none;
}

.card-head,
.sub-card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.sub-card__head {
  margin-bottom: 14px;
}

.card-title,
.empty-title,
.sub-card__title {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
}

.sub-card__title {
  font-size: 16px;
}

.card-desc,
.empty-desc,
.hint-text,
.operator-line,
.metric-desc,
.list-meta,
.list-empty,
.sub-card__desc {
  margin: 8px 0 0;
  color: var(--text-soft);
  line-height: 1.7;
}

.form-grid--compact {
  gap: 14px;
}

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

.field > span {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
}

.inline-form {
  display: flex;
  gap: 12px;
}

.inline-form--stack-mobile input,
.inline-form--stack-mobile select {
  min-width: 0;
}

.primary-btn,
.secondary-btn,
.ghost-btn,
.danger-btn,
.link-btn {
  min-height: 48px;
  padding: 0 18px;
  border-radius: 16px;
  font-weight: 700;
  transition: transform 0.18s ease, opacity 0.18s ease;
}

.primary-btn:hover,
.secondary-btn:hover,
.ghost-btn:hover,
.danger-btn:hover {
  transform: translateY(-1px);
}

.primary-btn:disabled,
.secondary-btn:disabled,
.ghost-btn:disabled,
.danger-btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
  transform: none;
}

.primary-btn {
  background: linear-gradient(135deg, #2563eb, #3b82f6);
  color: white;
}

.secondary-btn {
  background: var(--primary-soft);
  color: var(--primary);
}

.ghost-btn {
  background: rgba(15, 23, 42, 0.06);
  color: var(--text);
}

.danger-btn {
  background: linear-gradient(135deg, #ef4444, #f97316);
  color: white;
}

.metrics-grid,
.two-column-grid {
  display: grid;
  gap: 16px;
}

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

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

.metric-card {
  background: linear-gradient(135deg, rgba(255,255,255,0.98), rgba(248,250,252,0.96));
}

.metric-label {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-soft);
}

.metric-value {
  margin: 12px 0 0;
  font-size: 22px;
  font-weight: 800;
  line-height: 1.35;
}

.metric-value--mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 18px;
  word-break: break-all;
}

.preset-row,
.list-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.list-item {
  display: grid;
  gap: 8px;
  padding: 18px;
  border-radius: 18px;
  background: var(--surface-muted);
  border: 1px solid var(--line);
}

.list-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
}

.list-title {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
}

.mono-text {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}

.link-btn {
  min-height: auto;
  padding: 0;
  background: transparent;
  color: var(--primary);
}

.status-chip,
.count-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 36px;
  padding: 0 14px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 700;
}

.status-chip--idle {
  background: rgba(148, 163, 184, 0.16);
  color: #475569;
}

.status-chip--ok {
  background: rgba(22, 163, 74, 0.12);
  color: #16a34a;
}

.count-chip {
  background: rgba(15, 23, 42, 0.06);
  color: var(--text-soft);
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  transform: translateX(-50%);
  min-width: min(420px, calc(100vw - 32px));
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.92);
  color: #fff;
  text-align: center;
  box-shadow: 0 18px 38px rgba(15, 23, 42, 0.28);
}

@media (max-width: 980px) {
  .dashboard-grid,
  .metrics-grid,
  .two-column-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .topbar,
  .card-head,
  .sub-card__head,
  .list-head,
  .inline-form {
    flex-direction: column;
  }

  .page-shell {
    width: min(100vw - 24px, 960px);
    padding-top: 24px;
  }
}