:root {
  --bg: #f4f6fc;
  --surface: #ffffff;
  --p1: #1e0f4a;
  --p3: #5b3bb8;
  --p4: #7c5ce0;
  --muted: #64748b;
  --ok: #059669;
  --danger: #b91c1c;
  --r: 16px;
  --font: "Sora", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font);
  color: var(--p1);
  background:
    radial-gradient(ellipse 80% 50% at 10% 0%, rgba(124,92,224,0.12), transparent 50%),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(244,114,182,0.08), transparent 50%),
    var(--bg);
}

#app { min-height: 100vh; }

.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 20px;
}

.login-panel {
  width: min(400px, 100%);
  text-align: center;
  animation: rise 0.45s ease;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.brand-zh {
  font-size: clamp(2rem, 5vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  background: linear-gradient(120deg, var(--p1), var(--p3), var(--p4));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  margin: 0;
}

.brand-en {
  margin: 6px 0 4px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--p4);
}

.brand-sub {
  margin: 0 0 22px;
  font-size: 13px;
  color: var(--muted);
}

.login-form {
  background: rgba(255,255,255,0.92);
  border: 1px solid rgba(91,59,184,0.12);
  border-radius: 20px;
  padding: 22px;
  text-align: left;
  box-shadow: 0 18px 48px rgba(30,15,74,0.08);
}

.field { margin-bottom: 14px; }
.field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  margin-bottom: 6px;
}
.field input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid rgba(91,59,184,0.16);
  font: inherit;
  font-size: 14px;
  background: #fff;
}
.field input:focus {
  outline: 2px solid rgba(91,59,184,0.35);
  outline-offset: 1px;
}

.err {
  color: var(--danger);
  font-size: 13px;
  margin: 0 0 10px;
  min-height: 1.2em;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  border-radius: 999px;
  padding: 12px 20px;
  transition: transform 0.15s, background 0.15s, opacity 0.15s;
}
.btn:disabled { opacity: 0.65; cursor: not-allowed; }
.btn-primary {
  background: linear-gradient(135deg, var(--p3), var(--p4));
  color: #fff;
  width: 100%;
}
.btn-primary:hover:not(:disabled) { transform: translateY(-1px); }
.btn-ghost {
  background: rgba(91,59,184,0.08);
  color: var(--p3);
}
.btn-sm { padding: 8px 14px; font-size: 12px; }

.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 22px;
  background: rgba(255,255,255,0.88);
  border-bottom: 1px solid rgba(91,59,184,0.1);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.topbar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
}
.mark {
  width: 32px; height: 32px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--p3), var(--p4));
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 800;
}
.topbar-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}
.seg {
  display: inline-flex;
  background: rgba(91,59,184,0.06);
  border-radius: 999px;
  padding: 3px;
}
.seg button {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 999px;
  cursor: pointer;
}
.seg button.on {
  background: #fff;
  color: var(--p3);
  box-shadow: 0 2px 10px rgba(91,59,184,0.12);
}
.nav-link {
  border: none;
  background: transparent;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  color: var(--p2, #352078);
  cursor: pointer;
  padding: 6px 10px;
}
.nav-link.on { color: var(--p3); }

.main {
  width: min(1100px, 100%);
  margin: 0 auto;
  padding: 22px 18px 40px;
}

.kpi-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin-bottom: 18px;
}
.kpi {
  background: var(--surface);
  border: 1px solid rgba(91,59,184,0.1);
  border-radius: var(--r);
  padding: 16px 18px;
}
.kpi .lbl { font-size: 12px; color: var(--muted); font-weight: 600; }
.kpi .num { font-size: 28px; font-weight: 800; letter-spacing: -0.03em; margin-top: 4px; }

.grid-2 {
  display: grid;
  grid-template-columns: 1.3fr 0.9fr;
  gap: 14px;
  margin-bottom: 14px;
}
.panel {
  background: var(--surface);
  border: 1px solid rgba(91,59,184,0.1);
  border-radius: var(--r);
  padding: 16px 18px;
}
.panel h3 {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
}
.empty {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
  padding: 18px 0;
}

.chart {
  width: 100%;
  height: 220px;
  display: block;
}

.funnel-step {
  display: grid;
  grid-template-columns: 88px 1fr 52px;
  gap: 10px;
  align-items: center;
  margin-bottom: 10px;
  font-size: 13px;
}
.funnel-bar {
  height: 10px;
  border-radius: 999px;
  background: rgba(91,59,184,0.1);
  overflow: hidden;
}
.funnel-bar > i {
  display: block;
  height: 100%;
  background: linear-gradient(90deg, var(--p3), var(--p4));
  border-radius: 999px;
}

.bar-row {
  display: grid;
  grid-template-columns: 110px 1fr 40px;
  gap: 8px;
  align-items: center;
  font-size: 12px;
  margin-bottom: 8px;
}
.bar-row .track {
  height: 8px;
  border-radius: 999px;
  background: rgba(91,59,184,0.08);
  overflow: hidden;
}
.bar-row .track > i {
  display: block;
  height: 100%;
  background: var(--p4);
}

table.events {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}
table.events th, table.events td {
  text-align: left;
  padding: 8px 6px;
  border-bottom: 1px solid rgba(91,59,184,0.08);
}
table.events th { color: var(--muted); font-weight: 600; }

.settings-form .row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
  font-size: 13px;
}
.settings-form input[type="text"],
.settings-form input[type="time"],
.settings-form textarea {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid rgba(91,59,184,0.16);
  font: inherit;
}
.settings-form textarea { min-height: 72px; resize: vertical; }
.settings-actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 16px; }
.hint { font-size: 12px; color: var(--muted); }

.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  background: var(--p1);
  color: #fff;
  padding: 10px 16px;
  border-radius: 999px;
  font-size: 13px;
  z-index: 50;
}

@media (max-width: 900px) {
  .kpi-row { grid-template-columns: 1fr 1fr; }
  .grid-2 { grid-template-columns: 1fr; }
  .settings-form .row { grid-template-columns: 1fr; }
}