:root {
  --bg: #f4f5f6; --surface: #ffffff; --soft: #f0f2f3; --text: #1c2024; --muted: #5d636a; --faint: #9aa0a6;
  --line: #e1e4e8; --line-strong: #c9ced4;
  --accent: #0f6e56; --accent-soft: #e1f5ee; --warn: #8a5300; --warn-soft: #fdf0d5;
  --danger: #a3261d; --danger-soft: #fbe9e7; --radius: 10px;
  --c-calls: #888780; --c-connects: #1d9e75; --c-appts: #d85a30;
  --n-calls-bg: #e1f5ee; --n-calls-fg: #085041; --n-ans-bg: #9fe1cb; --n-ans-fg: #04342c;
  --n-conn-bg: #1d9e75; --n-conn-fg: #ffffff; --n-mach-bg: #d3d1c7; --n-mach-fg: #2c2c2a;
  --n-aband-bg: #f5c4b3; --n-aband-fg: #712b13; --n-not-bg: #eceae3; --n-not-fg: #444441;
  --b-none: #b4b2a9; --b-qual: #5dcaa5; --b-dq: #f0997b; --b-appt: #0f6e56;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a; --surface: #1d2125; --soft: #252a2f; --text: #e8eaed; --muted: #a2a9b1; --faint: #6f767e;
    --line: #2e343a; --line-strong: #434a52;
    --accent: #5dcaa5; --accent-soft: #12332a; --warn: #f0c36b; --warn-soft: #3a2c0c;
    --danger: #f19a92; --danger-soft: #3d1613;
    --n-calls-bg: #12332a; --n-calls-fg: #9fe1cb; --n-ans-bg: #0f6e56; --n-ans-fg: #e1f5ee;
    --n-conn-bg: #1d9e75; --n-conn-fg: #04231b; --n-mach-bg: #4a4944; --n-mach-fg: #eceae3;
    --n-aband-bg: #7a3a24; --n-aband-fg: #fbe3d9; --n-not-bg: #33363a; --n-not-fg: #d5d8dc;
    --b-none: #6b6a64; --b-appt: #9fe1cb;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
h1 { font-size: 20px; font-weight: 600; margin: 0 0 4px; }
h2 { font-size: 15px; font-weight: 600; margin: 0 0 12px; }
.muted { color: var(--muted); }
.faint { color: var(--faint); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; min-width: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 10px 16px; flex-wrap: wrap; margin-bottom: 10px; }
.card-head h2 { margin: 0; }

/* sign-in */
.signin { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.signin .card { width: 100%; max-width: 360px; display: grid; gap: 8px; padding: 24px; }
.signin p { margin: 0 0 8px; }
.signin label { font-size: 13px; color: var(--muted); margin-top: 6px; }
input[type=text], input[type=password], input[type=date], select {
  padding: 8px 10px; font: inherit; color: var(--text); background: var(--surface);
  border: 1px solid var(--line-strong); border-radius: 8px;
}
.signin input { width: 100%; background: var(--bg); padding: 10px 12px; }
input:focus-visible, button:focus-visible, select:focus-visible, a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.signin button[type=submit] {
  margin-top: 14px; padding: 10px 14px; font: inherit; font-weight: 600; cursor: pointer;
  color: #fff; background: #0f6e56; border: 0; border-radius: 8px;
}
.signin button[type=submit]:hover { background: #0c5b47; }
button.link { margin: 0; padding: 4px 6px; border: 0; background: none; color: var(--muted); font: inherit; text-decoration: underline; cursor: pointer; border-radius: 6px; }
button.link:hover { color: var(--text); }
.error, .notice { padding: 8px 12px; border-radius: 8px; font-size: 14px; }
.error { background: var(--danger-soft); color: var(--danger); }
.notice { background: var(--warn-soft); color: var(--warn); }

/* header */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 10px 16px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--surface);
}
.brand { font-weight: 600; font-size: 16px; }
.brand .muted { font-weight: 400; }
.right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.badge { display: inline-flex; align-items: center; gap: 7px; padding: 4px 11px; border-radius: 999px; font-size: 13px; white-space: nowrap; }
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: currentColor; }
.badge-ok { background: var(--accent-soft); color: var(--accent); }
.badge-stale { background: var(--warn-soft); color: var(--warn); }
.badge-wait { background: var(--soft); color: var(--muted); }
.picker { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.custom { display: inline-flex; align-items: center; gap: 6px; flex-wrap: wrap; }
.custom[hidden] { display: none; }
.btn { padding: 8px 12px; font: inherit; cursor: pointer; color: var(--text); background: var(--soft); border: 1px solid var(--line-strong); border-radius: 8px; }
.btn:hover { background: var(--line); }

.tabs { display: flex; gap: 2px; padding: 0 20px; background: var(--surface); border-bottom: 1px solid var(--line); overflow-x: auto; }
.tab { padding: 9px 14px; color: var(--muted); text-decoration: none; border-bottom: 2px solid transparent; white-space: nowrap; }
.tab:hover { color: var(--text); }
.tab-on { color: var(--text); font-weight: 600; border-bottom-color: var(--accent); }

.page { max-width: 1400px; margin: 0 auto; padding: 14px 24px 40px; display: grid; gap: 12px; }
.period { margin: 0; font-size: 13px; }
body.loading .value, body.loading .hl-name { opacity: 0.55; }

/* tiles */
.tiles { display: grid; gap: 10px; }
.tiles-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.tiles-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.tile .label { font-size: 13px; color: var(--muted); }
.tile .value { font-size: 28px; font-weight: 600; line-height: 1.2; font-variant-numeric: tabular-nums; }
.tile .value-sm { font-size: 22px; }
.tile .sub { font-size: 12px; color: var(--faint); }
.hl { background: var(--accent-soft); color: var(--accent); border-radius: var(--radius); padding: 12px 14px; min-width: 0; }
.hl-label { font-size: 12px; }
.hl-name { font-size: 17px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.hl-detail { font-size: 13px; }
.hl-others { font-size: 12px; margin-top: 3px; opacity: 0.9; }
.hl-empty { background: var(--soft); color: var(--muted); }

/* layout rows */
.grid { display: grid; gap: 12px; }
.grid-chart { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }
.grid-agents { grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); }

/* chart */
.chart { position: relative; width: 100%; }
.chart svg { display: block; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .axis { font-size: 11px; fill: var(--muted); }
.chart .axis-r { fill: var(--c-appts); }
.chart .cursor { stroke: var(--line-strong); stroke-width: 1; stroke-dasharray: 3 3; }
.tip { position: absolute; pointer-events: none; background: var(--surface); border: 1px solid var(--line-strong); border-radius: 8px; padding: 6px 9px; font-size: 12px; line-height: 1.5; white-space: nowrap; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.tip .dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 6px; }
.note { margin: 6px 0 0; font-size: 12px; color: var(--faint); }
.toggles { display: flex; gap: 6px; flex-wrap: wrap; }
.toggle { display: inline-flex; align-items: center; gap: 6px; padding: 4px 10px; font: inherit; font-size: 13px; cursor: pointer; color: var(--text); background: var(--soft); border: 1px solid var(--line-strong); border-radius: 999px; }
.toggle[aria-pressed="false"] { background: transparent; color: var(--faint); border-color: var(--line); }
.toggle[aria-pressed="false"] .key { opacity: 0.35; }
.key { display: inline-block; width: 16px; border-top: 2px solid; }
.key-calls { border-color: var(--c-calls); }
.key-connects { border-color: var(--c-connects); border-top-style: dashed; }
.key-appts { border-color: var(--c-appts); border-top-style: dotted; }

/* call breakdown */
.tree { display: grid; gap: 6px; font-size: 13px; }
.branch { display: grid; gap: 6px; margin-left: 14px; padding-left: 12px; border-left: 2px solid var(--line-strong); }
.node { display: flex; justify-content: space-between; gap: 10px; padding: 7px 11px; border-radius: 6px; font-variant-numeric: tabular-nums; }
.n-calls { background: var(--n-calls-bg); color: var(--n-calls-fg); }
.n-answered { background: var(--n-ans-bg); color: var(--n-ans-fg); }
.n-connects { background: var(--n-conn-bg); color: var(--n-conn-fg); }
.n-machines { background: var(--n-mach-bg); color: var(--n-mach-fg); }
.n-abandoned { background: var(--n-aband-bg); color: var(--n-aband-fg); }
.n-not { background: var(--n-not-bg); color: var(--n-not-fg); }
.chain { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line); font-size: 13px; }
.chip { background: var(--soft); border-radius: 6px; padding: 4px 9px; }
.arrow { color: var(--faint); }

/* tables */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: 13px; font-variant-numeric: tabular-nums; }
table.data th { font-weight: 400; color: var(--muted); text-align: right; padding: 4px 8px 6px; white-space: nowrap; }
table.data td { text-align: right; padding: 7px 8px; border-top: 1px solid var(--line); white-space: nowrap; }
table.data th:first-child, table.data td:first-child { text-align: left; padding-left: 0; }
table.data tfoot td { font-weight: 600; border-top: 1px solid var(--line-strong); }
.empty { color: var(--faint); text-align: center !important; padding: 18px 0 !important; }

/* outcome bars */
.bars { display: grid; gap: 7px; font-size: 13px; }
.bar-row { display: grid; grid-template-columns: minmax(84px, 120px) minmax(0, 1fr) auto; gap: 10px; align-items: center; }
.bar-label { color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { display: block; height: 14px; }
.bar { display: block; height: 14px; border-radius: 3px; min-width: 3px; }
.bar-none { background: var(--b-none); } .bar-qual { background: var(--b-qual); }
.bar-dq { background: var(--b-dq); } .bar-appt { background: var(--b-appt); }
.bar-value { text-align: right; font-variant-numeric: tabular-nums; white-space: nowrap; }
.legend { display: flex; flex-wrap: wrap; gap: 4px 14px; margin-top: 12px; font-size: 12px; color: var(--muted); }
.legend-inline { margin-top: 0; }
.sw { display: inline-block; width: 10px; height: 10px; border-radius: 2px; margin-right: 5px; vertical-align: -1px; }
.sw-none { background: var(--b-none); } .sw-qual { background: var(--b-qual); }
.sw-dq { background: var(--b-dq); } .sw-appt { background: var(--b-appt); }
.sw-good { background: rgba(29,158,117,0.35); } .sw-bad { background: rgba(216,90,48,0.35); }

@media (max-width: 1000px) {
  .tiles-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid-chart, .grid-agents { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .page { padding: 12px 12px 32px; }
  .topbar { padding: 10px 12px; }
  .tabs { padding: 0 8px; }
  .tiles-6 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tiles-3 { grid-template-columns: minmax(0, 1fr); }
  .tile .value { font-size: 24px; }
}