/* ---------- tokens ---------- */
:root {
  --bg-light: #f4f6fb;
  --bg-dark: #0a0e17;
  --surface-light: #ffffff;
  --surface-dark: #111827;
  --surface-2-light: #f1f4f9;
  --surface-2-dark: #1a2232;
  --border-light: #e3e7ef;
  --border-dark: #243045;
  --text-light: #0f172a;
  --text-dark: #e6eaf2;
  --muted-light: #5f6b80;
  --muted-dark: #94a1b8;
  --primary-light: #4338ca;
  --primary-dark: #8b93ff;
  --primary-ink-light: #ffffff;
  --primary-ink-dark: #0b1020;
  --ai-light: #7c3aed;
  --ai-dark: #b18cff;
  --ai-soft-light: #f3edff;
  --ai-soft-dark: #2a1f47;
  --success-light: #15803d;
  --success-dark: #34d399;
  --warning-light: #b45309;
  --warning-dark: #fbbf24;
  --danger-light: #dc2626;
  --danger-dark: #f87171;
  --gold-soft-light: #fff7e0;
  --gold-soft-dark: #3a2e0f;

  --bg: var(--bg-light);
  --surface: var(--surface-light);
  --surface-2: var(--surface-2-light);
  --border: var(--border-light);
  --text: var(--text-light);
  --muted: var(--muted-light);
  --primary: var(--primary-light);
  --primary-ink: var(--primary-ink-light);
  --ai: var(--ai-light);
  --ai-soft: var(--ai-soft-light);
  --success: var(--success-light);
  --warning: var(--warning-light);
  --danger: var(--danger-light);
  --gold-soft: var(--gold-soft-light);
  --shadow: 0 1px 2px rgb(15 23 42 / 0.06), 0 8px 24px rgb(15 23 42 / 0.06);

  color-scheme: light dark;
  accent-color: var(--primary);
  --radius: 14px;
  --font: Inter, 'Noto Sans Bengali', system-ui, -apple-system, 'Segoe UI', 'Nirmala UI', sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--bg-dark);
    --surface: var(--surface-dark);
    --surface-2: var(--surface-2-dark);
    --border: var(--border-dark);
    --text: var(--text-dark);
    --muted: var(--muted-dark);
    --primary: var(--primary-dark);
    --primary-ink: var(--primary-ink-dark);
    --ai: var(--ai-dark);
    --ai-soft: var(--ai-soft-dark);
    --success: var(--success-dark);
    --warning: var(--warning-dark);
    --danger: var(--danger-dark);
    --gold-soft: var(--gold-soft-dark);
    --shadow: 0 1px 2px rgb(0 0 0 / 0.4), 0 8px 24px rgb(0 0 0 / 0.3);
  }
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
}

h1,
h2 {
  margin: 0;
  line-height: 1.25;
}

svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
  flex: none;
}

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font: 600 14px/1 var(--font);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover {
  border-color: var(--muted);
}
.btn:active {
  transform: translateY(1px);
}
.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}
.btn:focus-visible,
.chip:focus-visible,
.keypad button:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 45%, transparent);
  outline-offset: 2px;
}
.btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: var(--primary-ink);
}
.btn.ai {
  background: var(--ai);
  border-color: var(--ai);
  color: #fff;
}
.btn.success {
  background: var(--success);
  border-color: var(--success);
  color: #fff;
}
.btn.danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.btn.ghost {
  background: transparent;
}
.btn.danger.ghost {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 40%, transparent);
}
.btn.small {
  min-height: 34px;
  padding: 0 12px;
  font-size: 13px;
}
.btn.block {
  width: 100%;
}
.btn[aria-pressed='true'] {
  background: var(--warning);
  border-color: var(--warning);
  color: #111;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 34px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--muted);
  font: 600 13px/1 var(--font);
  cursor: pointer;
}
.chip[aria-pressed='true'],
.chip.on {
  color: var(--primary);
  border-color: color-mix(in srgb, var(--primary) 50%, transparent);
  background: color-mix(in srgb, var(--primary) 10%, var(--surface));
}
.chip.bad {
  color: var(--danger);
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
}
.meter {
  width: 28px;
  height: 6px;
  border-radius: 3px;
  background: var(--surface-2);
  overflow: hidden;
}
.meter span {
  display: block;
  height: 100%;
  width: 0;
  background: var(--success);
  transition: width 0.1s linear;
}

/* ---------- login ---------- */
.login {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px 16px;
}
.login-card {
  width: min(400px, 100%);
  display: grid;
  gap: 12px;
  padding: 28px;
  border-radius: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.login-card h1 {
  font-size: 22px;
  margin: 8px 0 4px;
}
.login-card label {
  font-weight: 600;
  font-size: 13px;
  color: var(--muted);
}
.password-row {
  display: flex;
  gap: 8px;
}
input[type='password'],
input[type='text'],
input[type='tel'] {
  flex: 1;
  min-width: 0;
  height: 44px;
  padding: 0 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: 500 15px var(--font);
}
input:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--primary) 40%, transparent);
  outline-offset: 1px;
}
.form-error {
  min-height: 1.2em;
  margin: 0;
  color: var(--danger);
  font-size: 14px;
}

/* ---------- top bar ---------- */
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 16px;
  white-space: nowrap;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--primary), var(--ai));
  color: #fff;
  font-weight: 800;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 24px;
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.line-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  min-width: 0;
}
.line-status .line-text {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--warning);
  flex: none;
}
.line-status.ok .dot {
  background: var(--success);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--success) 20%, transparent);
}
.line-status.bad .dot {
  background: var(--danger);
}
.topbar-actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}
.name-field input {
  height: 34px;
  width: 140px;
  font-size: 13px;
}
.banner {
  padding: 8px 24px;
  background: var(--warning);
  color: #111;
  font-weight: 600;
  font-size: 14px;
}

/* ---------- layout ---------- */
.layout {
  display: grid;
  grid-template-columns: minmax(300px, 360px) minmax(0, 1fr);
  gap: 20px;
  padding: 20px 24px;
  max-width: 1400px;
  margin: 0 auto;
  align-items: start;
}
.col-left {
  display: grid;
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 18px;
}
.card h2 {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin-bottom: 12px;
}
.hint {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
}

/* ---------- dialer ---------- */
.dialer {
  display: grid;
  gap: 12px;
}
.dial-input {
  height: 52px !important;
  font-size: 24px !important;
  font-weight: 600 !important;
  letter-spacing: 0.04em;
  text-align: center;
}
.keypad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.keypad button {
  height: 46px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font: 600 18px var(--font);
  cursor: pointer;
}
.keypad button:active {
  background: var(--border);
}
.dial-actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

/* ---------- segmented controls ---------- */
.segmented {
  border: 0;
  padding: 0;
  margin: 0 0 14px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}
.segmented legend {
  padding: 0;
  color: var(--text);
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 600;
}
.segmented label {
  position: relative;
}
.segmented input {
  position: absolute;
  opacity: 0;
  inset: 0;
}
.segmented label > span {
  display: grid;
  place-items: center;
  height: 38px;
  border-radius: 9px;
  border: 1px solid var(--border);
  background: var(--surface-2);
  font-size: 13px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}
.segmented input:checked + span {
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  border-color: var(--primary);
  color: var(--primary);
}
.segmented input:focus-visible + span {
  outline: 3px solid color-mix(in srgb, var(--primary) 40%, transparent);
}
.segmented input:disabled + span {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ---------- history ---------- */
.history {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 4px;
  max-height: 340px;
  overflow: auto;
}
.history button {
  width: 100%;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 8px 10px;
  border-radius: 10px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
}
.history button:hover {
  background: var(--surface-2);
}
.history .dir {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 13px;
}
.history .num {
  font-weight: 600;
}
.history .sub {
  display: block;
  font-size: 12px;
  color: var(--muted);
}
.history .tag {
  font-size: 11px;
  font-weight: 700;
  padding: 3px 7px;
  border-radius: 6px;
  background: var(--gold-soft);
  color: var(--warning);
}
.history .empty {
  color: var(--muted);
  font-size: 14px;
  padding: 6px 2px;
}

/* ---------- live call panel ---------- */
.call-panel {
  min-height: 620px;
  display: flex;
  flex-direction: column;
  padding: 0;
  overflow: hidden;
}
.call-empty {
  flex: 1;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 8px;
  text-align: center;
  padding: 40px;
  color: var(--muted);
}
.call-empty h2 {
  font-size: 20px;
  color: var(--text);
  text-transform: none;
  letter-spacing: 0;
}
.call-empty p {
  margin: 0;
  max-width: 380px;
}
.pulse-ring {
  display: grid;
  place-items: center;
  color: var(--primary);
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: color-mix(in srgb, var(--primary) 14%, transparent);
  border: 2px solid color-mix(in srgb, var(--primary) 40%, transparent);
  margin-bottom: 8px;
}
.call-live {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
}
.call-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  border-bottom: 1px solid var(--border);
}
.call-dir {
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
/* .call-head prefix: must beat the generic `.card h2` section-label style */
.call-head .call-number {
  margin: 2px 0 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: none;
  color: var(--text);
}
.call-state {
  margin: 2px 0 0;
  color: var(--muted);
  font-weight: 500;
}
.call-meta {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}
.timer {
  font: 700 22px/1.2 var(--font);
  font-variant-numeric: tabular-nums;
}
.badge {
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
  background: var(--surface-2);
  color: var(--muted);
}
.badge.ai {
  background: var(--ai-soft);
  color: var(--ai);
}
.badge.human {
  background: color-mix(in srgb, var(--primary) 12%, var(--surface));
  color: var(--primary);
}
.badge.ring {
  background: var(--gold-soft);
  color: var(--warning);
}
.media-dot {
  width: 10px;
  height: 10px;
  margin-top: 8px;
  border-radius: 50%;
  background: var(--border);
}
.media-dot.live {
  background: var(--success);
  animation: blink 1.6s ease-in-out infinite;
}

.transfer-card {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  margin: 14px 22px 0;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--gold-soft);
  border: 1px solid color-mix(in srgb, var(--warning) 35%, transparent);
}
.transfer-icon {
  font-size: 20px;
  color: var(--warning);
}
.transfer-title {
  margin: 0;
  font-weight: 700;
}
.transfer-summary {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.transcript {
  flex: 1;
  list-style: none;
  margin: 0;
  padding: 18px 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  overflow-y: auto;
  min-height: 260px;
  max-height: calc(100dvh - 330px);
  font-family: 'Noto Sans Bengali', var(--font);
  font-size: 16px;
}
.transcript.static {
  max-height: 60dvh;
  padding: 8px 0;
}
.turn {
  max-width: 78%;
  padding: 10px 14px;
  border-radius: 14px;
  background: var(--surface-2);
  overflow-wrap: anywhere;
}
.turn .who {
  display: block;
  font-family: var(--font);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  margin-bottom: 2px;
}
.turn.caller {
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}
.turn.ai {
  align-self: flex-end;
  background: var(--ai-soft);
  border-bottom-right-radius: 4px;
}
.turn.ai .who {
  color: var(--ai);
}
.turn.live .text::after {
  content: '▍';
  margin-left: 2px;
  color: var(--muted);
  animation: blink 1s steps(2) infinite;
}
.turn.system {
  align-self: center;
  max-width: 90%;
  padding: 4px 12px;
  border-radius: 999px;
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--muted);
  font-family: var(--font);
  font-size: 13px;
}
.transcript-empty {
  margin: auto;
  color: var(--muted);
  font-family: var(--font);
  font-size: 14px;
}

.call-controls {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.spacer {
  flex: 1;
}

/* ---------- logs ---------- */
.logs {
  max-width: 1352px;
  margin: 0 24px 24px;
  padding: 0;
}
@media (min-width: 1400px) {
  .logs {
    margin: 0 auto 24px;
  }
}
.logs summary {
  padding: 12px 18px;
  cursor: pointer;
  font-weight: 600;
  color: var(--muted);
}
.log-list {
  list-style: none;
  margin: 0;
  padding: 0 18px 14px;
  max-height: 240px;
  overflow: auto;
  font: 12px/1.6 ui-monospace, 'Cascadia Code', Consolas, monospace;
}
.log-list .debug {
  color: var(--muted);
}
.log-list .warn {
  color: var(--warning);
}
.log-list .error {
  color: var(--danger);
}

/* ---------- dialogs ---------- */
dialog {
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 24px 64px rgb(0 0 0 / 0.35);
  padding: 26px;
}
dialog::backdrop {
  background: rgb(10 14 23 / 0.55);
  backdrop-filter: blur(3px);
}
.ring-dialog {
  width: min(440px, calc(100vw - 32px));
  text-align: center;
}
.ring-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 12px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  background: color-mix(in srgb, var(--success) 15%, transparent);
  color: var(--success);
  animation: ring 1.2s ease-in-out infinite;
}
.ring-icon svg {
  width: 28px;
  height: 28px;
}
.ring-icon.star {
  background: var(--gold-soft);
  color: var(--warning);
  font-size: 28px;
}
.ring-number {
  font-size: 22px;
  font-weight: 700;
  margin: 4px 0;
}
.dialog-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 18px;
}
.transfer-facts {
  text-align: left;
  margin: 14px 0 0;
  display: grid;
  gap: 8px;
}
.transfer-facts div {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 8px;
}
.transfer-facts dt {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
}
.transfer-facts dd {
  margin: 0;
  font-weight: 500;
}
.detail-dialog {
  width: min(680px, calc(100vw - 32px));
}
.detail-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  translate: -50% 0;
  max-width: min(520px, calc(100vw - 32px));
  padding: 12px 18px;
  border-radius: 12px;
  background: var(--text);
  color: var(--bg);
  font-weight: 600;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s;
  z-index: 50;
}
.toast.show {
  opacity: 1;
}
.toast.error {
  background: var(--danger);
  color: #fff;
}

@keyframes blink {
  50% {
    opacity: 0.35;
  }
}
@keyframes ring {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
}

/* ---------- small screens ---------- */
@media (max-width: 900px) {
  .layout {
    grid-template-columns: 1fr;
    padding: 16px;
    gap: 16px;
  }
  .call-panel {
    order: -1;
    min-height: 0;
  }
  .call-empty {
    padding: 28px 16px;
  }
  .transcript {
    max-height: 50dvh;
  }
  .topbar {
    flex-wrap: wrap;
    padding: 10px 16px;
    gap: 10px;
  }
  .topbar-actions {
    margin-left: 0;
    width: 100%;
    flex-wrap: wrap;
  }
  .name-field input {
    width: 120px;
  }
  .logs {
    margin: 0 16px 16px;
  }
  .turn {
    max-width: 90%;
  }
}
.pulse-ring svg {
  width: 28px;
  height: 28px;
}
.badge.q-good {
  background: color-mix(in srgb, var(--success) 15%, var(--surface));
  color: var(--success);
}
.badge.q-fair {
  background: var(--gold-soft);
  color: var(--warning);
}
.badge.q-poor {
  background: color-mix(in srgb, var(--danger) 15%, var(--surface));
  color: var(--danger);
}