:root {
  --color-background: #0F172A;
  --color-card: #1B2336;
  --color-muted: #272F42;
  --color-border: #475569;
  --color-foreground: #F8FAFC;
  --color-muted-foreground: #94A3B8;
  --color-accent: #22C55E;
  --color-accent-dim: #22C55E33;
  --color-destructive: #EF4444;
  --color-destructive-dim: #EF444433;
  --color-primary: #334155;

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;

  --font-ui: "Fira Sans", system-ui, sans-serif;
  --font-data: "Fira Code", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-background);
  color: var(--color-foreground);
  font-family: var(--font-ui);
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

button { font-family: inherit; }

/* Login gates */
.login-gate {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background);
  z-index: 10;
  padding: var(--space-4);
}
.login-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-6) var(--space-5);
  text-align: center;
  max-width: 340px;
  width: 100%;
}
.login-title { font-size: 20px; font-weight: 700; margin-bottom: var(--space-2); }
.login-sub { font-size: 14px; color: var(--color-muted-foreground); margin-bottom: var(--space-5); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  height: 44px;
  padding: 0 var(--space-5);
  border-radius: 10px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 150ms, border-color 150ms;
}
.btn-primary { background: var(--color-accent); color: #06210F; }
.btn-primary:hover { background: #1ea34b; }
.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-foreground); }
.btn-outline:hover { border-color: var(--color-accent); }
.btn-block { width: 100%; }

/* App shell */
#app { min-height: 100vh; padding-bottom: var(--space-6); }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  background: var(--color-background);
  z-index: 5;
}
.brand { font-size: 17px; font-weight: 700; letter-spacing: 0.2px; }

.icon-btn {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-muted-foreground);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.icon-btn:hover { color: var(--color-foreground); border-color: var(--color-accent); }

.content {
  max-width: 720px;
  margin: 0 auto;
  padding: var(--space-4);
}

.hint {
  color: var(--color-muted-foreground);
  font-size: 14px;
  text-align: center;
  padding: var(--space-5) 0;
}

/* Day filter chips */
.filter-row {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
.chip {
  height: 34px;
  padding: 0 var(--space-4);
  border-radius: 17px;
  border: 1px solid var(--color-border);
  background: var(--color-card);
  color: var(--color-muted-foreground);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  min-width: 44px;
}
.chip.active { background: var(--color-accent-dim); border-color: var(--color-accent); color: var(--color-accent); }

/* Leaderboard */
.leaderboard-list { display: flex; flex-direction: column; gap: var(--space-2); }

.lb-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  text-align: left;
  width: 100%;
}
.lb-row:hover { border-color: var(--color-accent); }

.lb-rank {
  font-family: var(--font-data);
  font-size: 13px;
  color: var(--color-muted-foreground);
  width: 22px;
  flex-shrink: 0;
}
.lb-main { flex: 1; min-width: 0; }
.lb-id {
  display: flex;
  align-items: center;
  min-width: 0;
}
.lb-id-text {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}
.lb-sub {
  font-size: 12px;
  color: var(--color-muted-foreground);
  font-family: var(--font-data);
  margin-top: 2px;
}
.lb-badge {
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-muted-foreground);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 1px 5px;
  margin-left: var(--space-2);
  flex-shrink: 0;
}
.lb-counts {
  display: flex;
  gap: var(--space-3);
  flex-shrink: 0;
  font-family: var(--font-data);
  font-size: 13px;
}
.lb-count-viewed { color: var(--color-muted-foreground); }
.lb-count-contacted { color: var(--color-accent); }
.lb-count-issue { color: var(--color-destructive); }
.lb-count-visits { color: var(--color-foreground); }
.lb-total {
  font-family: var(--font-data);
  font-size: 18px;
  font-weight: 600;
  width: 40px;
  text-align: right;
  flex-shrink: 0;
}

/* Worker detail */
.quiet-link {
  background: none;
  border: none;
  color: var(--color-muted-foreground);
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
  padding: var(--space-2) 0;
  margin-bottom: var(--space-3);
}
.quiet-link:hover { color: var(--color-foreground); }

.worker-head { display: flex; align-items: center; gap: var(--space-2); margin-bottom: var(--space-4); flex-wrap: wrap; }
.worker-id { font-size: 20px; font-weight: 700; word-break: break-all; }
.worker-badge {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-muted-foreground);
  border: 1px solid var(--color-border);
  border-radius: 4px;
  padding: 2px 6px;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}
@media (min-width: 480px) {
  .stat-grid { grid-template-columns: repeat(4, 1fr); }
}
.stat-tile {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: var(--space-3);
}
.stat-value { font-family: var(--font-data); font-size: 22px; font-weight: 600; }
.stat-label { font-size: 11px; color: var(--color-muted-foreground); margin-top: 2px; }

.card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  padding: var(--space-4);
  margin-bottom: var(--space-3);
}
.card-title { font-size: 13px; font-weight: 700; color: var(--color-muted-foreground); text-transform: uppercase; letter-spacing: 0.4px; margin-bottom: var(--space-3); }

/* Daily bar chart, hand-rolled, no chart lib needed for ~30 bars */
.daily-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 100px;
}
.daily-bar-wrap { flex: 1; display: flex; flex-direction: column; align-items: center; height: 100%; justify-content: flex-end; min-width: 0; }
.daily-bar {
  width: 100%;
  max-width: 18px;
  background: var(--color-accent);
  border-radius: 2px 2px 0 0;
  min-height: 2px;
}
.daily-bar.zero { background: var(--color-muted); }

/* Hour heat strip */
.hour-strip { display: grid; grid-template-columns: repeat(24, 1fr); gap: 2px; }
.hour-cell { aspect-ratio: 1; border-radius: 2px; background: var(--color-muted); }

/* Activity timeline */
.activity-list { display: flex; flex-direction: column; gap: var(--space-2); }
.activity-row {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-muted);
}
.activity-row:last-child { border-bottom: none; }
.activity-main { flex: 1; min-width: 0; }
.activity-biz { font-size: 14px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.activity-meta { font-size: 12px; color: var(--color-muted-foreground); margin-top: 2px; }
.activity-time { font-family: var(--font-data); font-size: 12px; color: var(--color-muted-foreground); flex-shrink: 0; white-space: nowrap; }

.event-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  border-radius: 4px;
  padding: 1px 5px;
  margin-right: var(--space-1);
}
.event-viewed { color: var(--color-muted-foreground); border: 1px solid var(--color-border); }
.event-contacted { color: var(--color-accent); border: 1px solid var(--color-accent); }
.event-skipped { color: var(--color-muted-foreground); border: 1px solid var(--color-border); }
.event-contact_issue_reported { color: var(--color-destructive); border: 1px solid var(--color-destructive); }
.event-call_started, .event-call_cancelled, .event-outcome_undone { color: var(--color-muted-foreground); border: 1px solid var(--color-border); }