/* Palette tokens (from the validated data-viz reference palette). Light + dark. */
:root {
  --page: #f9f9f7;
  --surface: #fcfcfb;
  --surface-2: #f3f2ee;
  --text: #0b0b0b;
  --text-2: #52514e;
  --muted: #898781;
  --grid: #e1e0d9;
  --axis: #c3c2b7;
  --border: rgba(11, 11, 11, 0.1);

  --accent: #2a78d6;
  --accent-weak: #cde2fb;

  --series-1: #2a78d6;
  --series-2: #1baf7a;

  --good: #0ca30c;
  --warning: #fab219;
  --serious: #ec835a;
  --critical: #d03b3b;

  --shadow: 0 1px 2px rgba(11, 11, 11, 0.06), 0 4px 12px rgba(11, 11, 11, 0.04);
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --page: #0d0d0d;
    --surface: #1a1a19;
    --surface-2: #232322;
    --text: #ffffff;
    --text-2: #c3c2b7;
    --muted: #898781;
    --grid: #2c2c2a;
    --axis: #383835;
    --border: rgba(255, 255, 255, 0.1);

    --accent: #3987e5;
    --accent-weak: #184f95;

    --series-1: #3987e5;
    --series-2: #199e70;

    --good: #0ca30c;
    --warning: #fab219;
    --serious: #ec835a;
    --critical: #d03b3b;

    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 4px 14px rgba(0, 0, 0, 0.3);
  }
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--page);
  color: var(--text);
  font-family: var(--font);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); }

button {
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 7px 14px;
  border-radius: 8px;
  transition: background 0.12s ease, border-color 0.12s ease;
}
button:hover { background: var(--surface-2); }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
button.primary:hover { filter: brightness(1.05); }

input, select {
  font-family: inherit;
  font-size: 13px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  outline: none;
}
input:focus, select:focus { border-color: var(--accent); }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
}
.login-card h1 {
  margin: 0 0 4px;
  font-size: 20px;
}
.login-card .sub {
  margin: 0 0 22px;
  color: var(--text-2);
  font-size: 13px;
}
.field { margin-bottom: 14px; }
.field label {
  display: block;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--text-2);
}
.field input { width: 100%; }
.login-card button { width: 100%; margin-top: 6px; }
.error {
  color: var(--critical);
  font-size: 13px;
  min-height: 18px;
  margin-top: 10px;
}

/* ---------- App shell ---------- */
.topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar .brand { font-weight: 650; font-size: 16px; }
.topbar .brand span { color: var(--muted); font-weight: 400; margin-left: 8px; font-size: 13px; }
.topbar .spacer { flex: 1; }
.topbar .user { color: var(--text-2); font-size: 13px; }

/* ---------- Nav ---------- */
.nav { display: flex; gap: 2px; margin-left: 12px; }
.nav a {
  text-decoration: none;
  color: var(--text-2);
  font-weight: 550;
  font-size: 13px;
  padding: 7px 12px;
  border-radius: 8px;
}
.nav a:hover { background: var(--surface-2); }
.nav a.active { background: var(--accent-weak); color: var(--accent); }

/* ---------- Page head ---------- */
.page-head { display: flex; align-items: baseline; gap: 12px; margin-bottom: 14px; }
.page-head h1 { margin: 0; font-size: 20px; }
.page-sub { color: var(--muted); font-size: 13px; }

.container { padding: 22px 24px 60px; max-width: 1280px; margin: 0 auto; }

/* ---------- DSN panel ---------- */
.dsn-panel {
  position: relative;
  overflow: hidden;
  background: color-mix(in srgb, var(--accent) 5%, var(--surface));
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 20px;
  margin-bottom: 18px;
}
.dsn-panel::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
}
.dsn-info { display: flex; flex-direction: column; gap: 3px; margin-bottom: 12px; }
.dsn-label {
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.dsn-hint { margin: 0; color: var(--text-2); font-size: 13px; }
.dsn-row { display: flex; align-items: stretch; gap: 10px; }
.dsn-value {
  flex: 1;
  min-width: 0;
  display: flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px 14px;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 13px;
  overflow-x: auto;
  white-space: nowrap;
  user-select: all;
}
.dsn-row button { white-space: nowrap; padding-left: 18px; padding-right: 18px; }
.dsn-row button.copied {
  background: var(--good);
  border-color: var(--good);
  color: #fff;
}

/* ---------- Stat cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
  position: relative;
  overflow: hidden;
}
.card .label { color: var(--text-2); font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
.card .value { font-size: 30px; font-weight: 650; margin-top: 6px; }
.card::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 4px;
  background: var(--accent);
}
.card.errors::before { background: var(--serious); }
.card.crashes::before { background: var(--critical); }
.card.sessions::before { background: var(--good); }

/* ---------- Panels / charts ---------- */
.panels {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 14px;
  margin-bottom: 18px;
}
.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px 18px;
}
.panel h2 { margin: 0 0 14px; font-size: 13px; color: var(--text-2); font-weight: 600; }

/* Bar chart (events per day) */
.barchart { width: 100%; height: 200px; display: block; }
.barchart .bar { fill: var(--accent); transition: opacity 0.1s ease; }
.barchart .bar:hover { opacity: 0.8; }
.barchart .axis-label { fill: var(--muted); font-size: 10px; }
.barchart .baseline { stroke: var(--axis); stroke-width: 1; }

/* Level breakdown (horizontal bars) */
.breakdown { display: flex; flex-direction: column; gap: 10px; }
.breakdown .row { display: grid; grid-template-columns: 120px 1fr auto; align-items: center; gap: 10px; }
.breakdown .track { background: var(--surface-2); border-radius: 6px; height: 10px; overflow: hidden; }
.breakdown .fill { height: 100%; border-radius: 6px; background: var(--lvl, var(--accent)); }
.breakdown .count { color: var(--text-2); font-variant-numeric: tabular-nums; min-width: 34px; text-align: right; }
.breakdown .hb-key { font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Line chart */
.linechart { width: 100%; height: 240px; display: block; }
.linechart .grid { stroke: var(--grid); stroke-width: 1; }
.linechart .axis { stroke: var(--axis); stroke-width: 1; }
.linechart .axis-label { fill: var(--muted); font-size: 10px; }
.linechart .crosshair { stroke: var(--axis); stroke-width: 1; stroke-dasharray: 3 3; }
.chart-hoverwrap { position: relative; }
.chart-hoverwrap .tooltip {
  position: absolute;
  top: 6px;
  pointer-events: none;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 8px 10px;
  font-size: 12px;
  min-width: 150px;
  z-index: 5;
}
.tooltip .tt-date { color: var(--muted); margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 6px; }

/* Legend */
.legend { display: flex; gap: 16px; margin-bottom: 8px; }
.legend-item { display: flex; align-items: center; gap: 6px; color: var(--text-2); font-size: 12px; }
.dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; flex: none; }

/* Range selector */
.range { display: flex; gap: 4px; }
.range-btn { padding: 6px 12px; }
.range-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Analytics tiles */
.cards.tiles { grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); }
.panel.wide { margin-bottom: 18px; }

/* ---------- Level badges ---------- */
.badge {
  display: inline-block;
  padding: 1px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--lvl, var(--muted));
  border: 1px solid var(--lvl, var(--muted));
  background: color-mix(in srgb, var(--lvl, var(--muted)) 12%, transparent);
  white-space: nowrap;
}
.lvl-fatal { --lvl: var(--critical); }
.lvl-error { --lvl: var(--serious); }
.lvl-warning { --lvl: var(--warning); }
.lvl-info { --lvl: var(--accent); }
.lvl-debug, .lvl-default { --lvl: var(--muted); }

.tag {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  color: #fff;
}
.tag.crash { background: var(--critical); }
.tag.error { background: var(--serious); }

/* ---------- Tabs & toolbar ---------- */
.tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.tab {
  border: none;
  background: transparent;
  color: var(--text-2);
  padding: 8px 14px;
  border-radius: 8px;
  font-weight: 550;
}
.tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); border: 1px solid var(--border); }

.toolbar { display: flex; gap: 10px; margin-bottom: 12px; flex-wrap: wrap; }
.toolbar .search { flex: 1; min-width: 200px; }

/* ---------- Table ---------- */
.table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow-x: auto;
}
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 11px 14px;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  position: sticky;
  top: 0;
  background: var(--surface);
}
tbody td { padding: 10px 14px; border-bottom: 1px solid var(--grid); vertical-align: top; }
tbody tr:last-child td { border-bottom: none; }
tbody tr.clickable { cursor: pointer; }
tbody tr.clickable:hover { background: var(--surface-2); }
td.msg { max-width: 460px; }
td.msg .text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
td.time, td.num { font-variant-numeric: tabular-nums; white-space: nowrap; color: var(--text-2); }
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; font-size: 12px; }

.empty { padding: 40px; text-align: center; color: var(--muted); }

/* ---------- Modal ---------- */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: 40px 20px;
  z-index: 50;
  overflow-y: auto;
}
.modal-backdrop.open { display: flex; }
.modal {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  width: 100%;
  max-width: 760px;
}
.modal header {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.modal header h3 { margin: 0; font-size: 15px; flex: 1; }
.modal .body { padding: 18px 20px; }
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; margin-bottom: 16px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; word-break: break-word; }
pre.stack {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  overflow-x: auto;
  font-family: ui-monospace, "Cascadia Code", Consolas, monospace;
  font-size: 12px;
  line-height: 1.6;
  white-space: pre;
  margin: 0;
}

@media (max-width: 900px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .panels { grid-template-columns: 1fr; }
}