:root {
  --ink: #0b0a0e;
  --ink-2: #141218;
  --ink-3: #1d1a22;
  --line: rgb(255 255 255 / 9%);
  --text: #f7f2ea;
  --muted: #a8a1af;
  --flame: #ff7a1a;
  --grad: linear-gradient(120deg, #ffc54d, #ff7a1a 45%, #ff3b2f);
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 15px;
  line-height: 1.45;
  color: var(--text);
  background: var(--ink);
  -webkit-font-smoothing: antialiased;
}

* { box-sizing: border-box; }
body { margin: 0; min-height: 100vh; }
em { font-family: ui-serif, "New York", Georgia, serif; font-weight: 500; background: var(--grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
a { color: inherit; }
:focus-visible { outline: 2px solid #ffc54d; outline-offset: 2px; }
.muted { margin: 0; color: var(--muted); }
.small { font-size: 13px; }
.error { margin: 0; color: #ff8a66; }
[hidden] { display: none !important; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
}
.btn-sm { min-height: 34px; padding: 0 14px; font-size: 13px; }
.btn-ghost { background: rgb(255 255 255 / 5%); }
.btn-google { margin-top: 26px; background: #fff; color: #1f1f1f; border-color: #fff; }
.btn-google svg { width: 20px; height: 20px; }

/* Login */
.login { display: grid; place-items: center; padding: 24px; background: radial-gradient(600px circle at 70% 10%, rgb(255 90 30 / 20%), transparent 60%), var(--ink); }
.login-card { width: min(400px, 100%); padding: 40px 32px; border: 1px solid var(--line); border-radius: 28px; background: var(--ink-2); text-align: center; }
.login-card img { margin: 0 auto 14px; }
.login-card h1 { margin: 0 0 6px; font-size: 30px; letter-spacing: -0.03em; }
.notice { margin: 18px 0 0; padding: 10px 14px; border-radius: 12px; background: rgb(255 74 28 / 14%); color: #ffb199; font-size: 14px; }

/* App shell */
.top {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 22px;
  padding: 12px 24px;
  border-bottom: 1px solid var(--line);
  background: rgb(11 10 14 / 92%);
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 17px; font-weight: 800; text-decoration: none; }
.tabs { display: flex; gap: 4px; padding: 4px; border: 1px solid var(--line); border-radius: 999px; }
.tab { padding: 7px 14px; border: 0; border-radius: 999px; background: none; color: var(--muted); font: inherit; font-weight: 700; cursor: pointer; }
.tab[aria-pressed="true"] { background: #fff1de; color: var(--ink); }
.who { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-left: auto; }
.email { color: var(--muted); font-size: 13px; }
select { padding: 6px 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--ink-3); color: var(--text); font: inherit; }
.range { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; }

main { max-width: 1320px; margin: 0 auto; padding: 22px 24px 60px; }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 14px; }
.kpi { padding: 16px 18px; border: 1px solid var(--line); border-radius: 18px; background: var(--ink-2); }
.kpi-label { margin: 0; color: var(--muted); font-size: 13px; font-weight: 600; }
.kpi-value { margin: 4px 0 2px; font-size: 30px; font-weight: 800; letter-spacing: -0.03em; }
.kpi-change { margin: 0; color: var(--muted); font-size: 12px; }
.kpi-change.up { color: #34c759; }
.kpi-change.down { color: #ff8a66; }

.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 400px), 1fr)); gap: 14px; }
.card { min-width: 0; padding: 18px 18px 16px; border: 1px solid var(--line); border-radius: 20px; background: var(--ink-2); }
.card.wide { grid-column: 1 / -1; }
.card h2 { margin: 0 0 12px; font-size: 15px; font-weight: 750; }
.tile-text { margin: 0; white-space: pre-wrap; color: var(--muted); }
.big-number { margin: 0; font-size: 34px; font-weight: 800; letter-spacing: -0.03em; }

.chart { display: block; max-width: 100%; height: auto; }
.grid-line { stroke: rgb(255 255 255 / 7%); }
.axis { fill: var(--muted); font-size: 11px; }
.legend { display: flex; flex-wrap: wrap; gap: 6px 16px; margin-top: 8px; font-size: 12px; color: var(--muted); }
.legend span::before { content: ""; display: inline-block; width: 9px; height: 9px; margin-right: 6px; border-radius: 3px; background: var(--c); }

.bars { display: grid; gap: 8px; margin: 0; padding: 0; list-style: none; }
.bars li { display: grid; grid-template-columns: minmax(90px, 34%) 1fr auto; align-items: center; gap: 10px; font-size: 13px; }
.bar-label { overflow: hidden; color: var(--text); text-overflow: ellipsis; white-space: nowrap; }
.bar { height: 10px; border-radius: 999px; background: linear-gradient(to right, var(--c) var(--w), rgb(255 255 255 / 6%) var(--w)); }
.bar-value { color: var(--muted); font-variant-numeric: tabular-nums; white-space: nowrap; }

.dash-bar { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 14px; }
.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 7px 8px; border-bottom: 1px solid var(--line); text-align: left; white-space: nowrap; }
th { color: var(--muted); font-weight: 600; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
.retention td.num { background: rgb(255 122 26 / calc(var(--a, 0) * 0.85)); }

@media (max-width: 720px) {
  .top { padding: 10px 14px; }
  main { padding: 14px 14px 40px; }
  .who { margin-left: 0; }
}