:root {
  --bg: #f4f5f7;
  --surface: #ffffff;
  --surface-2: #f8f9fb;
  --border: #e3e6eb;
  --text: #15181e;
  --text-2: #5b6370;
  --text-3: #8a919c;
  --accent: #16a34a;
  --accent-hover: #15803d;
  --danger: #dc2626;
  --danger-hover: #b91c1c;
  --ok: #16a34a;
  --ok-bg: #e9f7ee;
  --warn: #b45309;
  --warn-bg: #fdf3e2;
  --bad: #dc2626;
  --bad-bg: #fdecec;
  --info: #2563eb;
  --info-bg: #eaf1fe;
  --meter: #16a34a;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 1px 3px rgba(16, 24, 40, .06);
  --radius: 14px;
  --mono: ui-monospace, "Cascadia Mono", Consolas, monospace;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1115;
    --surface: #171a20;
    --surface-2: #1d2128;
    --border: #2a2f38;
    --text: #e8eaee;
    --text-2: #a3aab5;
    --text-3: #6f7782;
    --accent: #22c55e;
    --accent-hover: #16a34a;
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --ok: #4ade80;
    --ok-bg: #12261a;
    --warn: #fbbf24;
    --warn-bg: #2a2110;
    --bad: #f87171;
    --bad-bg: #2c1515;
    --info: #60a5fa;
    --info-bg: #13203a;
    --meter: #22c55e;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

[hidden] { display: none !important; }

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

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 24px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; }

/* Company logo. The source SVG is white-on-transparent, so it is used as a mask and
   painted with the text colour: dark on the light theme, light on the dark one. */
.company-logo {
  flex: none;
  width: 116px;
  height: 23px; /* keeps the logo's 144:28 aspect */
  background-color: var(--text);
  -webkit-mask: url("../img/globalyo-logo.svg") no-repeat center / contain;
  mask: url("../img/globalyo-logo.svg") no-repeat center / contain;
}
.brand-divider { width: 1px; height: 24px; background: var(--border); margin: 0 4px; }
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--accent);
}
.brand-mark svg { width: 18px; height: 18px; fill: #fff; }
.brand-name { font-weight: 700; font-size: 17px; letter-spacing: -.01em; }
.brand-sub { color: var(--text-3); font-size: 13px; }
.topbar-right { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.account { color: var(--text-2); font-size: 13px; }
.account strong { color: var(--text); font-weight: 600; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
  background: var(--surface-2);
  border: 1px solid var(--border);
  white-space: nowrap;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--text-3); }
.badge[data-tone="ok"] .dot { background: var(--ok); }
.badge[data-tone="warn"] .dot { background: var(--warn); animation: pulse 1.2s infinite; }
.badge[data-tone="bad"] .dot { background: var(--bad); }
.badge[data-tone="pending"] .dot { animation: pulse 1.2s infinite; }

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

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  grid-template-areas: "dialer checks" "log log";
  gap: 20px;
  max-width: 1080px;
  margin: 24px auto;
  padding: 0 24px;
}
.dialer { grid-area: dialer; }
.checks { grid-area: checks; }
.log { grid-area: log; }

@media (max-width: 820px) {
  .layout { grid-template-columns: minmax(0, 1fr); grid-template-areas: "dialer" "checks" "log"; padding: 0 16px; margin: 16px auto; gap: 16px; }
  .topbar { padding: 12px 16px; }
  .brand-sub { display: none; }
  .company-logo { width: 93px; height: 18px; }
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 22px;
  min-width: 0;
}
.card-title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-3);
}

/* ---- number field ----------------------------------------------------------------------- */

.field-label { display: block; font-size: 13px; font-weight: 500; color: var(--text-2); margin-bottom: 6px; }
.number-field { position: relative; }
#number {
  width: 100%;
  font: 600 26px/1.2 var(--mono);
  letter-spacing: .02em;
  padding: 12px 44px 12px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#number::placeholder { color: var(--text-3); font-weight: 400; }
#number:focus { border-color: var(--info); box-shadow: 0 0 0 3px color-mix(in srgb, var(--info) 18%, transparent); }
#number[aria-invalid="true"] { border-color: var(--bad); }
#number[data-valid="true"] { border-color: var(--ok); }
#number:disabled { opacity: .7; }

.icon-btn {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 30px;
  height: 30px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--text-3);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
}
.icon-btn:hover { background: var(--border); color: var(--text); }

.field-hint { font-size: 13px; color: var(--text-2); margin-top: 6px; min-height: 19px; }
.field-hint[data-tone="ok"] { color: var(--ok); }
.field-hint[data-tone="bad"] { color: var(--bad); }
.field-hint button {
  margin-left: 6px;
  padding: 1px 8px;
  border: 1px solid currentColor;
  border-radius: 6px;
  background: transparent;
  color: var(--info);
  font: inherit;
  cursor: pointer;
}

/* ---- status ----------------------------------------------------------------------------- */

.status-panel {
  margin-top: 18px;
  padding: 16px;
  border-radius: 12px;
  background: var(--surface-2);
  border: 1px solid var(--border);
}
.status-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.status-title { font-size: 19px; font-weight: 650; }
.status-detail { color: var(--text-2); font-size: 14px; margin-top: 2px; }
.timer { font: 600 22px var(--mono); color: var(--ok); }

.status-panel[data-state="answered"] { background: var(--ok-bg); border-color: color-mix(in srgb, var(--ok) 35%, transparent); }
.status-panel[data-state="ended-bad"] { background: var(--bad-bg); border-color: color-mix(in srgb, var(--bad) 35%, transparent); }
.status-panel[data-state="ended-bad"] .status-title { color: var(--bad); }
.status-panel[data-state="busy"] .status-title::after {
  content: "";
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-left: 10px;
  border-radius: 50%;
  background: var(--info);
  vertical-align: middle;
  animation: pulse 1s infinite;
}

.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 6px;
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  font-size: 12px;
  color: var(--text-3);
}
.steps li { position: relative; padding-top: 10px; text-align: center; }
.steps li::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  border-radius: 2px;
  background: var(--border);
}
.steps li[data-done] { color: var(--text-2); }
.steps li[data-done]::before { background: var(--ok); }
.steps li[data-active] { color: var(--text); font-weight: 600; }
.steps li[data-active]::before { background: var(--info); animation: pulse 1s infinite; }
.steps li[data-failed] { color: var(--bad); font-weight: 600; }
.steps li[data-failed]::before { background: var(--bad); }

/* ---- meters ----------------------------------------------------------------------------- */

.meters { margin-top: 16px; display: grid; gap: 8px; }
.meter-row { display: grid; grid-template-columns: 56px 1fr auto; align-items: center; gap: 10px; }
.meter-label { font-size: 13px; color: var(--text-2); }
.meter { height: 8px; border-radius: 4px; background: var(--border); overflow: hidden; }
.meter-fill { height: 100%; width: 0; background: var(--meter); border-radius: 4px; transition: width 80ms linear; }
.net-stats { font: 12px var(--mono); color: var(--text-3); }

.tag { font-size: 12px; font-weight: 600; padding: 1px 8px; border-radius: 6px; }
.tag-warn { background: var(--warn-bg); color: var(--warn); }

/* ---- buttons ---------------------------------------------------------------------------- */

.actions { display: flex; gap: 10px; margin-top: 20px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 10px 18px;
  font: 600 15px/1.2 inherit;
  cursor: pointer;
  transition: background .15s, opacity .15s, transform .05s;
}
.btn:active:not(:disabled) { transform: translateY(1px); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn svg { width: 18px; height: 18px; fill: currentColor; }
.btn-call, .btn-hangup { flex: 1 1 200px; padding: 14px 18px; font-size: 16px; color: #fff; }
.btn-call { background: var(--accent); }
.btn-call:hover:not(:disabled) { background: var(--accent-hover); }
.btn-hangup { background: var(--danger); }
.btn-hangup:hover:not(:disabled) { background: var(--danger-hover); }
.btn-secondary { background: var(--surface-2); color: var(--text); border-color: var(--border); }
.btn-secondary:hover:not(:disabled) { background: var(--border); }
.btn-secondary[aria-pressed="true"] { background: var(--warn-bg); color: var(--warn); border-color: currentColor; }
.btn-small { padding: 5px 12px; font-size: 13px; border-radius: 8px; }
.check .btn-small { margin-top: 8px; background: var(--info); color: #fff; }

.block-reason { margin: 10px 0 0; font-size: 13px; color: var(--warn); min-height: 18px; }
.shortcuts { margin: 4px 0 0; font-size: 12px; color: var(--text-3); }
kbd {
  font: 11px var(--mono);
  padding: 1px 5px;
  border: 1px solid var(--border);
  border-bottom-width: 2px;
  border-radius: 4px;
  background: var(--surface-2);
}

/* ---- readiness checks ------------------------------------------------------------------- */

.check-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.check { display: flex; gap: 12px; padding: 10px 0; border-bottom: 1px solid var(--border); }
.check:last-child { border-bottom: 0; }
.check-icon {
  flex: none;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  margin-top: 1px;
  border-radius: 50%;
  font-size: 13px;
  font-weight: 700;
  background: var(--surface-2);
  color: var(--text-3);
  border: 1px solid var(--border);
}
.check[data-tone="ok"] .check-icon { background: var(--ok-bg); color: var(--ok); border-color: transparent; }
.check[data-tone="ok"] .check-icon::before { content: "✓"; }
.check[data-tone="warn"] .check-icon { background: var(--warn-bg); color: var(--warn); border-color: transparent; }
.check[data-tone="warn"] .check-icon::before { content: "!"; }
.check[data-tone="bad"] .check-icon { background: var(--bad-bg); color: var(--bad); border-color: transparent; }
.check[data-tone="bad"] .check-icon::before { content: "✕"; }
.check[data-tone="pending"] .check-icon::before { content: "…"; }
.check-title { font-weight: 600; font-size: 14px; }
.check-detail { font-size: 13px; color: var(--text-2); }
.check[data-tone="bad"] .check-detail { color: var(--bad); }

.mic-setup { margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--border); }
#micSelect {
  width: 100%;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-2);
  color: var(--text);
  font: inherit;
  font-size: 14px;
}
.mic-test { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 12px; margin-top: 12px; }

/* ---- log -------------------------------------------------------------------------------- */

.log-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.log-head .card-title { margin: 0; }
.log-tools { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.toggle { display: inline-flex; gap: 6px; align-items: center; font-size: 13px; color: var(--text-2); cursor: pointer; margin-right: 4px; }

.log-list {
  list-style: none;
  margin: 0;
  padding: 0;
  max-height: 300px;
  overflow: auto;
  font-size: 13px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface-2);
}
.log-list:empty::before { content: "No events yet."; display: block; padding: 14px; color: var(--text-3); }
.log-entry {
  display: grid;
  grid-template-columns: 74px 64px minmax(0, 1fr);
  gap: 10px;
  padding: 6px 12px;
  border-bottom: 1px solid var(--border);
}
.log-entry:last-child { border-bottom: 0; }
.log-time { font-family: var(--mono); color: var(--text-3); font-size: 12px; }
.log-source { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: .04em; color: var(--text-3); padding-top: 1px; }
.log-msg { overflow-wrap: anywhere; }
.log-entry[data-level="success"] .log-msg { color: var(--ok); }
.log-entry[data-level="warning"] .log-msg { color: var(--warn); }
.log-entry[data-level="error"] .log-msg { color: var(--bad); font-weight: 500; }
.log-entry[data-level="debug"] { display: none; }
.log-entry[data-level="debug"] .log-msg { font-family: var(--mono); font-size: 12px; color: var(--text-3); white-space: pre-wrap; }
.log-list[data-verbose] .log-entry[data-level="debug"] { display: grid; }

@media (max-width: 520px) {
  .log-entry { grid-template-columns: 64px minmax(0, 1fr); }
  .log-source { display: none; }
  #number { font-size: 22px; }
  .steps { font-size: 10px; }
}

@keyframes pulse { 50% { opacity: .35; } }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}