:root {
  --bg: #f5f5f7;
  --elevated: #ffffff;
  --fill: #e8e8ed;
  --label: #1d1d1f;
  --secondary: #6e6e73;
  --tertiary: #86868b;
  --separator: rgba(0, 0, 0, 0.08);
  --blue: #0071e3;
  --link: #0066cc;
  --red: #ff3b30;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
  --pad: 18px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000;
    --elevated: #1c1c1e;
    --fill: #2c2c2e;
    --label: #f5f5f7;
    --secondary: #a1a1a6;
    --tertiary: #6e6e73;
    --separator: rgba(255, 255, 255, 0.12);
    --blue: #0a84ff;
    --link: #2997ff;
    --red: #ff453a;
    --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.45;
  letter-spacing: -0.016em;
  color: var(--label);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  padding-bottom: calc(24px + var(--safe-b));
}

/* Critical: author `display` must not override HTML hidden attribute */
[hidden],
.hidden {
  display: none !important;
}

.view { max-width: 960px; margin: 0 auto; padding: calc(16px + var(--safe-t)) var(--pad) 32px; }

.login-view:not([hidden]) {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px var(--pad);
  max-width: none;
}

.login-card {
  width: min(100%, 380px);
  background: var(--elevated);
  border-radius: 20px;
  padding: 28px 22px;
  box-shadow: var(--shadow);
  text-align: center;
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--blue);
}

h1 {
  margin: 0 0 8px;
  font-size: 28px;
  letter-spacing: -0.025em;
  font-weight: 700;
}

.sub { margin: 0 0 20px; color: var(--secondary); font-size: 15px; }

.field {
  display: block;
  text-align: left;
  margin-bottom: 14px;
}
.field span {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--secondary);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  border: none;
  background: var(--fill);
  color: var(--label);
  border-radius: 12px;
  padding: 12px 14px;
  font: inherit;
  font-size: 16px;
  outline: none;
}
.field input:focus { box-shadow: 0 0 0 3px color-mix(in srgb, var(--blue) 35%, transparent); }

.btn {
  appearance: none;
  border: none;
  background: var(--fill);
  color: var(--label);
  font: inherit;
  font-weight: 500;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 980px;
  cursor: pointer;
  min-height: 40px;
}
.btn-primary {
  background: var(--blue);
  color: #fff;
  width: 100%;
  margin-top: 4px;
}
.btn:active { opacity: 0.88; transform: scale(0.98); }

.error {
  color: var(--red);
  font-size: 13px;
  margin: 0 0 10px;
  min-height: 1.2em;
}
.error:not([hidden]) {
  display: block !important;
}

.top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 8px;
}
.top h1 { font-size: 32px; margin: 0; }
.top-actions { display: flex; gap: 8px; flex-shrink: 0; }

.status {
  color: var(--tertiary);
  font-size: 12px;
  margin: 0 0 16px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}
@media (min-width: 720px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}

.kpi {
  background: var(--elevated);
  border-radius: 16px;
  padding: 14px 14px 12px;
  box-shadow: var(--shadow);
}
.kpi-label { font-size: 12px; color: var(--secondary); font-weight: 600; }
.kpi-value {
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.panel {
  background: var(--elevated);
  border-radius: 18px;
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: var(--shadow);
}
.panel h2 {
  margin: 0 0 12px;
  font-size: 17px;
  font-weight: 600;
}
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}
.panel-head h2 { margin: 0; }
.subh {
  margin: 12px 0 8px;
  font-size: 12px;
  font-weight: 600;
  color: var(--tertiary);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}
.hint { font-size: 12px; color: var(--tertiary); }

.select {
  border: none;
  background: var(--fill);
  color: var(--label);
  border-radius: 980px;
  padding: 6px 12px;
  font: inherit;
  font-size: 13px;
}

.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  font-variant-numeric: tabular-nums;
}
th, td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid var(--separator);
  vertical-align: top;
}
th {
  color: var(--secondary);
  font-weight: 600;
  font-size: 11px;
}
tr:last-child td { border-bottom: none; }
td.path, td.mono { font-family: var(--mono); font-size: 12px; word-break: break-all; }

.chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 120px;
  padding-top: 8px;
}
.chart .bar {
  flex: 1;
  min-width: 0;
  background: var(--blue);
  border-radius: 3px 3px 0 0;
  opacity: 0.85;
  position: relative;
}
.chart .bar:hover { opacity: 1; }
.chart .bar[data-tip]:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: calc(100% + 6px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--label);
  color: var(--bg);
  font-size: 10px;
  padding: 3px 6px;
  border-radius: 6px;
  white-space: nowrap;
  z-index: 2;
}

.bars { display: flex; flex-direction: column; gap: 8px; }
.bar-row { display: grid; grid-template-columns: 72px 1fr 40px; gap: 8px; align-items: center; font-size: 12px; }
.bar-row .track {
  height: 8px;
  background: var(--fill);
  border-radius: 100px;
  overflow: hidden;
}
.bar-row .fill {
  height: 100%;
  background: var(--blue);
  border-radius: 100px;
}
.bar-row .n { text-align: right; font-variant-numeric: tabular-nums; color: var(--secondary); }

.two-col {
  display: grid;
  gap: 12px;
}
@media (min-width: 800px) {
  .two-col { grid-template-columns: 1fr 1fr; }
}

.foot {
  margin-top: 8px;
  text-align: center;
  font-size: 11px;
  color: var(--tertiary);
}
.linkish {
  appearance: none;
  border: none;
  background: none;
  color: var(--link);
  font: inherit;
  font-size: inherit;
  cursor: pointer;
  padding: 0;
  text-decoration: underline;
}

.empty { color: var(--tertiary); font-size: 13px; padding: 8px 0; }