:root {
  --bg: #f4f6fa;
  --surface: #ffffff;
  --surface-2: #f0f2f7;
  --text: #172033;
  --muted: #5f6b80;
  --border: #dde2eb;
  --primary: #2563eb;
  --primary-text: #ffffff;
  --danger: #dc2626;
  --success: #16a34a;
  --warn-bg: #fff7e0;
  --warn-text: #7a5300;
  --radius: 10px;
  --shadow: 0 1px 2px rgb(16 24 40 / 6%), 0 1px 3px rgb(16 24 40 / 8%);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f141c;
    --surface: #171e29;
    --surface-2: #1f2835;
    --text: #e6eaf2;
    --muted: #94a0b4;
    --border: #2b3544;
    --primary: #4f8cff;
    --danger: #f05252;
    --success: #22c55e;
    --warn-bg: #3a2f12;
    --warn-text: #f5d58a;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

h1 { font-size: 24px; margin: 0 0 4px; }
h2 { font-size: 15px; margin: 0 0 12px; }
code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }
.muted { color: var(--muted); }
.small { font-size: 12.5px; }

label { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; font-weight: 500; }
label.check { flex-direction: row; align-items: center; gap: 8px; font-weight: 400; }

input, select, textarea {
  font: inherit;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--primary); outline-offset: -1px; }
textarea { resize: vertical; }
input.narrow { width: 90px; }

.btn {
  font: inherit;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}
.btn:hover:not(:disabled) { background: var(--surface-2); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--primary); border-color: var(--primary); color: var(--primary-text); }
.btn.primary:hover:not(:disabled) { filter: brightness(1.08); background: var(--primary); }
.btn.danger { background: var(--danger); border-color: var(--danger); color: #fff; }
.btn.danger:hover:not(:disabled) { filter: brightness(1.08); background: var(--danger); }
.btn.success { background: var(--success); border-color: var(--success); color: #fff; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn.selected { outline: 2px solid var(--primary); outline-offset: 1px; }
label.btn { flex-direction: row; margin: 0; font-weight: 600; }

.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.row.center { justify-content: center; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 16px;
}
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 12px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }

/* Login */
.login-view { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: min(380px, 100%); display: flex; flex-direction: column; }
.form-error { color: var(--danger); min-height: 1em; margin: 8px 0 0; }

/* Top bar */
.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 5;
  flex-wrap: wrap;
}
.brand { font-weight: 800; font-size: 17px; }
.tabs { display: flex; gap: 2px; flex: 1; overflow-x: auto; }
.tabs button {
  font: inherit; font-weight: 600; color: var(--muted);
  background: none; border: 0; padding: 8px 12px; border-radius: 8px; cursor: pointer;
  white-space: nowrap; flex-shrink: 0;
}
.tabs button.active { color: var(--text); background: var(--surface-2); }
.topbar-right { display: flex; align-items: center; gap: 6px; }
.pill {
  font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 999px;
  background: var(--surface-2); color: var(--muted);
}
.pill.ok { background: color-mix(in srgb, var(--success) 18%, transparent); color: var(--success); }
.pill.bad { background: color-mix(in srgb, var(--danger) 18%, transparent); color: var(--danger); }
.pill.busy { background: color-mix(in srgb, var(--primary) 18%, transparent); color: var(--primary); }

.banner { background: var(--warn-bg); color: var(--warn-text); padding: 10px 20px; border-bottom: 1px solid var(--border); }

main { padding: 20px; max-width: 1400px; margin: 0 auto; }

/* Dialer */
.dialer-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 16px; align-items: start; }
.split { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 16px; align-items: start; }

.lead-name { font-size: 19px; font-weight: 700; }
.lead-company { color: var(--muted); margin-bottom: 8px; }
.lead-phone { font-size: 17px; font-variant-numeric: tabular-nums; margin-bottom: 8px; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: 3px 12px; font-size: 13px; margin-bottom: 10px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; overflow-wrap: anywhere; }
.notes-history { white-space: pre-wrap; font-size: 12.5px; background: var(--surface-2); padding: 8px; border-radius: 8px; max-height: 140px; overflow: auto; margin-bottom: 10px; }

.countdown { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: 10px; padding: 10px; border-radius: 8px; background: color-mix(in srgb, var(--primary) 12%, transparent); font-weight: 600; }

.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.stat { background: var(--surface-2); border-radius: 8px; padding: 10px; }
.stat b { display: block; font-size: 20px; font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }

.call-card { text-align: center; }
.call-status { font-size: 18px; font-weight: 700; }
.call-timer { font-size: 34px; font-weight: 300; font-variant-numeric: tabular-nums; margin: 4px 0; }
.call-meta { min-height: 1.4em; margin-bottom: 12px; }
.manual { display: flex; gap: 8px; margin-bottom: 12px; }
.manual input { flex: 1; font-size: 16px; }
.keypad { display: grid; grid-template-columns: repeat(3, 64px); gap: 8px; justify-content: center; margin-bottom: 14px; }
.keypad button { font: inherit; font-size: 20px; height: 48px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface-2); color: var(--text); cursor: pointer; }
.keypad button:active { filter: brightness(.92); }

.dispo-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 6px; margin-bottom: 12px; }
.dispo-grid .btn { justify-content: flex-start; font-weight: 500; }
.script { white-space: pre-wrap; max-height: 360px; overflow: auto; }

/* Tables */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 12px; white-space: nowrap; }
td.num { font-variant-numeric: tabular-nums; white-space: nowrap; }
tr.clickable { cursor: pointer; }
tr.clickable:hover td { background: var(--surface-2); }
tr.selected td { background: color-mix(in srgb, var(--primary) 10%, transparent); }
audio { height: 32px; max-width: 220px; }
.tag { display: inline-block; padding: 1px 8px; border-radius: 999px; font-size: 11.5px; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.tag.good { color: var(--success); background: color-mix(in srgb, var(--success) 15%, transparent); }
.tag.bad { color: var(--danger); background: color-mix(in srgb, var(--danger) 15%, transparent); }
.tag.info { color: var(--primary); background: color-mix(in srgb, var(--primary) 15%, transparent); }

.campaign-item { border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 8px; cursor: pointer; }
.campaign-item:hover { background: var(--surface-2); }
.campaign-item.selected { border-color: var(--primary); }
.campaign-item .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }

fieldset.days { border: 1px solid var(--border); border-radius: 8px; margin: 0 0 10px; padding: 8px 10px; }
fieldset.days legend { font-weight: 500; padding: 0 4px; }
#campaign-days { display: flex; gap: 12px; flex-wrap: wrap; }
#campaign-days label { flex-direction: row; align-items: center; gap: 4px; margin: 0; font-weight: 400; }

.upload { display: flex; gap: 10px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.tips { padding-left: 18px; margin: 0; }
.tips li { margin-bottom: 8px; }

/* Incoming call */
.incoming {
  position: fixed; right: 20px; bottom: 20px; z-index: 20;
  width: min(320px, calc(100vw - 32px));
  background: var(--surface); border: 2px solid var(--success); border-radius: 14px;
  box-shadow: 0 10px 30px rgb(0 0 0 / 25%); padding: 16px; text-align: center;
}
.incoming-title { font-weight: 700; color: var(--success); }
.incoming-from { font-size: 20px; font-weight: 700; margin: 4px 0; }
.incoming .row { margin-top: 12px; }

dialog { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); color: var(--text); width: min(380px, calc(100vw - 32px)); }
dialog::backdrop { background: rgb(0 0 0 / 40%); }

#toasts { position: fixed; top: 64px; right: 16px; z-index: 30; display: flex; flex-direction: column; gap: 8px; width: min(380px, calc(100vw - 32px)); }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 8px; box-shadow: 0 6px 18px rgb(0 0 0 / 20%); }
.toast.error { background: var(--danger); color: #fff; }
.toast.success { background: var(--success); color: #fff; }

@media (max-width: 900px) {
  .dialer-grid, .split { grid-template-columns: 1fr; }
  main { padding: 16px; }
  .topbar { padding: 10px 16px; gap: 8px; }
  .topbar-right { margin-left: auto; }
  .tabs { order: 3; flex-basis: 100%; }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .grid2 { grid-template-columns: 1fr; }
}