:root {
  --bg: #f6f7f9;
  --surface: #ffffff;
  --text: #1c2530;
  --muted: #5f6b7a;
  --border: #e3e7ec;
  --accent: #0d6e5f;
  --accent-soft: #e2f2ee;
  --danger: #b3372f;
  --danger-soft: #fdeceb;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1a2029;
    --text: #e6eaf0;
    --muted: #97a3b3;
    --border: #2a3341;
    --accent: #4cc2ad;
    --accent-soft: #16302b;
    --danger: #e5756d;
    --danger-soft: #3a201e;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---- top bar ---- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 1rem;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--text);
}
.brand span { color: var(--accent); }
.brand:hover { text-decoration: none; }

.topbar nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}
.topbar nav a { color: var(--muted); font-weight: 500; }
.topbar nav a:hover { color: var(--accent); text-decoration: none; }

.linklike {
  background: none;
  border: none;
  padding: 0;
  font: inherit;
  font-weight: 500;
  color: var(--muted);
  cursor: pointer;
}
.linklike:hover { color: var(--danger); }

/* ---- layout ---- */

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.5rem 1rem 4rem;
}

.page-title {
  margin: 0.5rem 0 0;
  font-size: 1.7rem;
  letter-spacing: -0.02em;
}

.muted { color: var(--muted); margin-top: 0.25rem; }

/* ---- report list ---- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.card {
  display: block;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  color: var(--text);
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  text-decoration: none;
  border-color: var(--accent);
  transform: translateY(-2px);
}

.card-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem;
}

.card h2 {
  margin: 0.35rem 0 0.6rem;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
}

.period {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--accent);
  background: var(--accent-soft);
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
}
.period.monday { color: #7c4a03; background: #fdf0dd; }
@media (prefers-color-scheme: dark) {
  .period.monday { color: #eab308; background: #332a10; }
}

.count { font-size: 0.85rem; color: var(--muted); white-space: nowrap; }

.tags { display: flex; flex-wrap: wrap; gap: 0.3rem; }

.tag {
  font-size: 0.72rem;
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 0.05rem 0.45rem;
  border-radius: 999px;
  white-space: nowrap;
}

/* ---- report view ---- */

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin: 1rem 0;
  font-size: 0.9rem;
}
.pager a { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.report {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.5rem 1.75rem;
  box-shadow: var(--shadow);
  overflow-wrap: break-word;
}

.report h1 {
  font-size: 1.45rem;
  line-height: 1.3;
  letter-spacing: -0.02em;
  margin: 0 0 0.5rem;
}

.report h2 {
  font-size: 1.15rem;
  margin: 2rem 0 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 2px solid var(--accent);
  letter-spacing: -0.01em;
}

.report h1 + p em, .report > p:first-of-type em { color: var(--muted); }

.report ul { padding-left: 1.2rem; margin: 0.5rem 0 1rem; }
.report li { margin: 0.45rem 0; }
.report li strong:first-child { color: var(--accent); font-variant-numeric: tabular-nums; }

/* ---- login ---- */

.auth-wrap {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 2rem;
  box-shadow: var(--shadow);
  text-align: center;
}

.auth-logo { font-size: 2.5rem; }

.auth-card h1 { margin: 0.25rem 0 0; font-size: 1.35rem; letter-spacing: -0.02em; }
.auth-card .muted { margin: 0.25rem 0 1.25rem; }

.auth-card form { text-align: left; }

.auth-card label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin: 0.9rem 0 0.3rem;
}

.auth-card input {
  width: 100%;
  padding: 0.6rem 0.75rem;
  font-size: 1rem;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.auth-card input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.auth-card button[type="submit"] {
  width: 100%;
  margin-top: 1.4rem;
  padding: 0.65rem;
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  cursor: pointer;
}
.auth-card button[type="submit"]:hover { filter: brightness(1.08); }

.error {
  background: var(--danger-soft);
  color: var(--danger);
  border-radius: 8px;
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
  margin-bottom: 0.5rem;
}

/* ---- mobile ---- */

@media (max-width: 600px) {
  .container { padding: 1rem 0.75rem 3rem; }
  .grid { grid-template-columns: 1fr; }
  .report { padding: 1.1rem 1rem; border-radius: 10px; }
  .report h1 { font-size: 1.25rem; }
  .pager { font-size: 0.82rem; }
  .pager a:nth-child(2) { display: none; }
}

/* --- agent fleet: badges, filter chips, compare view --- */
.agent-badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: #fff;
  background: var(--muted);
  border-radius: 999px;
  padding: 0.1rem 0.5rem;
  vertical-align: middle;
}

.chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0.75rem 0 1.25rem; }
.chip {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.7rem;
  background: var(--surface);
}
.chip:hover { color: var(--accent); border-color: var(--accent); text-decoration: none; }
.chip.active { color: #fff; background: var(--accent); border-color: var(--accent); }
button.chip { font-family: inherit; cursor: pointer; }
.chips[hidden] { display: none; }
.chips .filter-note { align-self: center; font-size: 0.8rem; color: var(--muted); }

.card-wrap { display: flex; flex-direction: column; }
.card-wrap .card { flex: 1; }
.compare-link {
  align-self: flex-end;
  font-size: 0.78rem;
  color: var(--muted);
  margin-top: 0.35rem;
}

.other-agents {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin: 0 0 1rem;
  font-size: 0.85rem;
}

/* Compare: stacked on phones, side by side once there's room. */
.cmp-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.cmp-col {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  padding: 0.5rem 1rem 1rem;
  min-width: 0;
}
.cmp-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.5rem;
  margin-bottom: 0.5rem;
}
.cmp-head h2 { margin: 0; font-size: 1.05rem; }
.cmp-col .report h1 { font-size: 1rem; }
.cmp-col .report h2 { font-size: 0.92rem; }
.cmp-col .report { font-size: 0.92rem; }

@media (min-width: 900px) {
  .cmp-grid { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); align-items: start; }
}