:root {
  --bg: #F6EFE6;
  --bg-card: #FFFFFF;
  --text: #2B2622;
  --text-muted: #6E6459;
  --line: #E4D9C8;

  --calm: #3E7C74;      /* escuchando al paciente */
  --calm-soft: #DCEBE8;
  --warm: #C96A3E;      /* el agente habla */
  --warm-soft: #F6E1D3;
  --danger: #B33F32;
  --danger-soft: #F5DCD6;
  --neutral: #8A8074;

  --state-color: var(--neutral);
  --state-soft: #EFE7DA;

  --radius-lg: 28px;
  --radius-full: 999px;
  font-size: 18px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  min-height: 100dvh;
  display: flex;
  justify-content: center;
}

.screen {
  width: 100%;
  max-width: 480px;
  min-height: 100dvh;
  padding: max(28px, env(safe-area-inset-top)) 24px calc(28px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 28px;
}

.header {
  width: 100%;
}

.eyebrow {
  margin: 0 0 6px;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--calm);
}

h1 {
  margin: 0 0 10px;
  font-size: clamp(1.6rem, 5vw, 2rem);
  line-height: 1.2;
  font-weight: 700;
  color: var(--text);
}

.subtitle {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.5;
}

/* ---------- stage ---------- */

.stage {
  flex: 1;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 22px;
}

.orb-wrap {
  position: relative;
  width: 220px;
  height: 220px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.ring {
  position: absolute;
  border-radius: 50%;
  border: 2px solid var(--state-color);
  opacity: 0.35;
  transition: border-color 0.4s ease, opacity 0.4s ease;
}

.ring-outer {
  width: 220px;
  height: 220px;
}

.ring-mid {
  width: 180px;
  height: 180px;
  opacity: 0.55;
}

body[data-call-active="true"] .ring-outer {
  animation: pulse-ring 2.4s ease-out infinite;
}

body[data-call-active="true"] .ring-mid {
  animation: pulse-ring 2.4s ease-out 0.3s infinite;
}

@keyframes pulse-ring {
  0%   { transform: scale(0.82); opacity: 0.5; }
  70%  { transform: scale(1.08); opacity: 0; }
  100% { transform: scale(1.08); opacity: 0; }
}

@media (prefers-reduced-motion: reduce) {
  body[data-call-active="true"] .ring-outer,
  body[data-call-active="true"] .ring-mid {
    animation: none;
  }
}

.orb {
  position: relative;
  width: 148px;
  height: 148px;
  border-radius: 50%;
  border: none;
  background: var(--state-soft);
  color: var(--state-color);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background 0.4s ease, color 0.4s ease, transform 0.15s ease;
  box-shadow: 0 8px 24px -8px rgba(43, 38, 34, 0.25);
}

.orb:active {
  transform: scale(0.97);
}

.orb:focus-visible {
  outline: 3px solid var(--state-color);
  outline-offset: 4px;
}

.orb-icon {
  width: 56px;
  height: 56px;
  transition: opacity 0.2s ease;
}

.orb-icon-hidden {
  display: none;
}

.orb-icon-spin {
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* waveform */

.waveform {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6px;
  height: 36px;
  opacity: 0;
  transition: opacity 0.3s ease;
}

body[data-call-active="true"] .waveform {
  opacity: 1;
}

.waveform span {
  display: block;
  width: 5px;
  min-height: 6px;
  border-radius: 3px;
  background: var(--state-color);
  transform: scaleY(0.2);
  transform-origin: bottom;
  transition: transform 0.12s ease, background-color 0.4s ease;
}

/* status */

.status-text {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text);
  min-height: 1.5em;
}

.status-icon {
  font-size: 1.2em;
}

.status-detail {
  margin: -8px 0 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  min-height: 1.2em;
}

/* ---------- controls ---------- */

.controls {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.btn {
  width: 100%;
  padding: 18px 20px;
  border-radius: var(--radius-full);
  border: none;
  font-size: 1.1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: background 0.2s ease, transform 0.1s ease, opacity 0.2s ease;
  min-height: 56px;
}

.btn:active {
  transform: scale(0.98);
}

.btn-primary {
  background: var(--calm);
  color: #FFFFFF;
}

.btn-primary:disabled {
  opacity: 0.6;
  cursor: default;
}

.btn-end {
  background: var(--danger);
  color: #FFFFFF;
}

.btn-icon {
  width: 22px;
  height: 22px;
}

.is-hidden {
  display: none !important;
}

.footnote {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.4;
}

/* ---------- state → color mapping ---------- */

body[data-state="idle"]        { --state-color: var(--neutral); --state-soft: #EFE7DA; }
body[data-state="permission"]  { --state-color: var(--calm);    --state-soft: var(--calm-soft); }
body[data-state="connecting"]  { --state-color: var(--calm);    --state-soft: var(--calm-soft); }
body[data-state="listening"]   { --state-color: var(--calm);    --state-soft: var(--calm-soft); }
body[data-state="speaking"]    { --state-color: var(--warm);    --state-soft: var(--warm-soft); }
body[data-state="ended"]       { --state-color: var(--neutral); --state-soft: #EFE7DA; }
body[data-state="error"]       { --state-color: var(--danger);  --state-soft: var(--danger-soft); }

/* small screens: keep everything comfortably tappable */
@media (max-width: 360px) {
  .orb-wrap { width: 190px; height: 190px; }
  .ring-outer { width: 190px; height: 190px; }
  .ring-mid { width: 156px; height: 156px; }
  .orb { width: 128px; height: 128px; }
}