/* Voice calls (voice-call.js): the call screen with its orb, the 📞 button
   in the chat header and the Calls panel. */

/* ---------- Chat header button ---------- */
.chati-call-header-btn {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: inherit;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}

.chati-call-header-btn:hover {
  background: rgba(167, 139, 250, 0.16);
  transform: translateY(-1px);
}

.chati-call-header-btn[hidden] {
  display: none;
}

.chati-call-header-btn svg,
.chati-calls svg,
.chati-call svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Call screen ---------- */
.chati-call {
  --level: 0;
  position: fixed;
  inset: 0;
  z-index: 100001;
  display: grid;
  grid-template-rows: auto 1fr auto auto auto;
  justify-items: center;
  padding: max(22px, env(safe-area-inset-top)) 20px max(28px, env(safe-area-inset-bottom));
  color: #f5f3ff;
  background: #07060d;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity 0.3s ease, transform 0.3s ease;
  overflow: hidden;
}

.chati-call.is-open {
  opacity: 1;
  transform: none;
}

.chati-call.is-closing {
  opacity: 0;
  transform: scale(0.98);
}

.chati-call-bg {
  position: absolute;
  inset: -40px;
  background-size: cover;
  background-position: center;
  filter: blur(38px) saturate(1.25) brightness(0.55);
  transform: scale(1.1);
}

.chati-call-shade {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(99, 102, 241, 0.18), transparent 55%),
    linear-gradient(180deg, rgba(7, 6, 13, 0.55), rgba(7, 6, 13, 0.85));
}

.chati-call > :not(.chati-call-bg):not(.chati-call-shade) {
  position: relative;
}

.chati-call-top {
  display: flex;
  align-items: center;
  gap: 12px;
  align-self: start;
}

.chati-call-top strong {
  display: block;
  font-size: 1.05rem;
  letter-spacing: 0.01em;
}

.chati-call-timer {
  display: block;
  font-variant-numeric: tabular-nums;
  color: rgba(245, 243, 255, 0.6);
  font-size: 0.82rem;
}

.chati-call-avatar,
.chati-calls-avatar {
  width: 42px;
  height: 42px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, #a78bfa, #6366f1);
  font-weight: 700;
  color: #fff;
}

.chati-call-avatar img,
.chati-calls-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* The orb: soft light, not a cut-out circle. Its edge fades into the
   backdrop (a feathered mask), colored clouds drift inside, and its shape
   slowly breathes. It follows the mic while listening and the voice while
   the character speaks (--level, set by voice-call.js). */
.chati-call-orb-wrap {
  align-self: center;
  width: min(70vw, 340px);
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  border: 0;
  padding: 0;
  background: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

.chati-call-orb {
  --c1: #c4b5fd;
  --c2: #7c3aed;
  --c3: #67e8f9;
  --c4: #f472b6;
  position: relative;
  width: 100%;
  height: 100%;
  isolation: isolate;
  transform: scale(calc(0.9 + var(--level) * 0.2));
  transition: transform 0.1s linear;
}

/* Halo around the light. */
.chati-call-orb::before {
  content: "";
  position: absolute;
  inset: -18%;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--c2) 55%, transparent) 0%, transparent 62%);
  filter: blur(30px);
  opacity: calc(0.55 + var(--level) * 0.45);
  transition: opacity 0.15s linear;
}

/* The body: a glowing core whose edge dissolves. */
.chati-call-orb::after {
  content: "";
  position: absolute;
  inset: 8%;
  border-radius: 50%;
  background: radial-gradient(circle at 40% 36%, color-mix(in srgb, var(--c1) 70%, #ffffff) 0%, var(--c1) 12%, var(--c2) 46%, color-mix(in srgb, var(--c2) 55%, transparent) 62%, transparent 76%);
  filter: blur(7px);
  opacity: 0.92;
  animation: chati-orb-morph 7s ease-in-out infinite;
}

.chati-call-orb i {
  position: absolute;
  inset: 14%;
  border-radius: 42% 58% 55% 45% / 48% 42% 58% 52%;
  mix-blend-mode: screen;
  filter: blur(20px);
  opacity: 0.95;
  z-index: 1;
  will-change: transform;
  animation: chati-orb-drift 9s ease-in-out infinite;
}

.chati-call-orb i:nth-child(1) {
  background: radial-gradient(circle at 30% 35%, var(--c3), transparent 60%);
}

.chati-call-orb i:nth-child(2) {
  background: radial-gradient(circle at 70% 62%, var(--c4), transparent 60%);
  animation-duration: 11s;
  animation-direction: reverse;
}

.chati-call-orb i:nth-child(3) {
  background: radial-gradient(circle at 50% 78%, var(--c1), transparent 62%);
  animation-duration: 13s;
  animation-delay: -4s;
}

@keyframes chati-orb-drift {
  0% { transform: rotate(0deg) translate(0, 0) scale(1); }
  33% { transform: rotate(120deg) translate(4%, -3%) scale(1.06); }
  66% { transform: rotate(240deg) translate(-4%, 3%) scale(0.96); }
  100% { transform: rotate(360deg) translate(0, 0) scale(1); }
}

@keyframes chati-orb-morph {
  0%, 100% { border-radius: 50% 50% 50% 50% / 50% 50% 50% 50%; transform: scale(1); }
  25% { border-radius: 54% 46% 52% 48% / 47% 55% 45% 53%; transform: scale(1.02); }
  50% { border-radius: 47% 53% 46% 54% / 54% 47% 53% 46%; transform: scale(0.98); }
  75% { border-radius: 52% 48% 55% 45% / 46% 52% 48% 54%; transform: scale(1.01); }
}

@keyframes chati-orb-breathe {
  0%, 100% { transform: scale(0.92); }
  50% { transform: scale(1); }
}

.chati-call[data-state="connecting"] .chati-call-orb,
.chati-call[data-state="thinking"] .chati-call-orb {
  animation: chati-orb-breathe 1.8s ease-in-out infinite;
}

.chati-call[data-state="thinking"] .chati-call-orb i {
  animation-duration: 3.5s;
}

/* Listening: cool and clear. */
.chati-call[data-state="listening"] .chati-call-orb {
  --c1: #a5f3fc;
  --c2: #6366f1;
  --c3: #67e8f9;
  --c4: #a78bfa;
}

/* Speaking: warm violet and pink. */
.chati-call[data-state="speaking"] .chati-call-orb {
  --c1: #f5d0fe;
  --c2: #a855f7;
  --c3: #f0abfc;
  --c4: #fb7185;
}

.chati-call[data-state="error"] .chati-call-orb {
  filter: grayscale(0.6) brightness(0.8);
}

.chati-call-status {
  margin: 18px 0 6px;
  min-height: 1.3em;
  font-size: 1rem;
  font-weight: 600;
  color: rgba(245, 243, 255, 0.85);
}

.chati-call-caption {
  margin: 0 0 22px;
  max-width: min(560px, 92vw);
  min-height: 3em;
  text-align: center;
  font-size: 1.02rem;
  line-height: 1.5;
  color: rgba(245, 243, 255, 0.78);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.chati-call-caption[data-who="user"] {
  color: rgba(165, 243, 252, 0.85);
}

.chati-call-controls {
  display: flex;
  gap: 22px;
}

.chati-call-btn {
  width: 62px;
  height: 62px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: #fff;
  cursor: pointer;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: transform 0.18s ease, background 0.18s ease;
}

.chati-call-btn:hover {
  transform: translateY(-2px);
}

.chati-call-btn svg {
  width: 24px;
  height: 24px;
}

.chati-call-btn.is-on {
  background: rgba(255, 255, 255, 0.9);
  color: #111;
}

.chati-call-btn.is-end {
  background: #ef4444;
  border-color: transparent;
}

.chati-call-btn.is-end svg {
  fill: currentColor;
  stroke: none;
}

/* ---------- Calls panel ---------- */
.chati-calls {
  position: fixed;
  inset: 0;
  z-index: 100000;
  display: grid;
  place-items: center;
  padding: 16px;
  background: rgba(5, 5, 12, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.chati-calls[hidden] {
  display: none;
}

.chati-calls.is-open {
  opacity: 1;
}

.chati-calls-card {
  width: min(460px, 100%);
  max-height: min(680px, 92vh);
  display: flex;
  flex-direction: column;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 22px;
  background: #121019;
  color: #f4f3ff;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
  transform: translateY(10px);
  transition: transform 0.22s ease;
  overflow: hidden;
}

.chati-calls.is-open .chati-calls-card {
  transform: none;
}

.chati-calls-head {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 16px 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.chati-calls-head h2 {
  flex: 1;
  margin: 0;
  font-size: 1.1rem;
}

.chati-calls-icon {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.05);
  color: inherit;
  cursor: pointer;
}

.chati-calls-icon[hidden] {
  display: none;
}

.chati-calls-body {
  overflow-y: auto;
  padding: 8px;
}

.chati-calls-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.chati-calls-item {
  width: 100%;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  border: 0;
  border-radius: 14px;
  background: none;
  color: inherit;
  text-align: left;
  cursor: pointer;
  font: inherit;
}

.chati-calls-item:hover {
  background: rgba(255, 255, 255, 0.04);
}

.chati-calls-text {
  flex: 1;
  min-width: 0;
  display: grid;
  gap: 2px;
}

.chati-calls-text small {
  color: #a3a0b8;
}

.chati-calls-text em {
  font-style: normal;
  color: #c9c6dc;
  font-size: 0.88rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chati-calls-again {
  width: 38px;
  height: 38px;
  flex: none;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: rgba(34, 197, 94, 0.14);
  color: #4ade80;
}

.chati-calls-again:hover {
  background: rgba(34, 197, 94, 0.25);
}

.chati-calls-empty {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 40px 20px;
  text-align: center;
  color: #a3a0b8;
}

.chati-calls-empty svg {
  width: 34px;
  height: 34px;
  color: #a78bfa;
}

.chati-calls-empty p {
  margin: 6px 0 0;
  color: #f4f3ff;
  font-weight: 600;
}

.chati-calls-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 8px 12px;
  color: #a3a0b8;
}

.chati-calls-transcript {
  display: grid;
  gap: 8px;
  padding: 0 6px 12px;
}

.chati-calls-transcript p {
  margin: 0;
  max-width: 86%;
  padding: 9px 12px;
  border-radius: 14px;
  line-height: 1.45;
  font-size: 0.94rem;
}

.chati-calls-transcript p b {
  display: block;
  font-size: 0.75rem;
  color: #c4b5fd;
  margin-bottom: 2px;
}

.chati-calls-transcript .is-character {
  background: rgba(255, 255, 255, 0.06);
  justify-self: start;
}

.chati-calls-transcript .is-user {
  background: rgba(139, 92, 246, 0.22);
  justify-self: end;
}

.chati-calls-actions {
  position: sticky;
  bottom: 0;
  display: flex;
  gap: 10px;
  padding: 12px 6px 6px;
  background: linear-gradient(180deg, transparent, #121019 30%);
}

.chati-calls-primary {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px;
  border: 0;
  border-radius: 999px;
  background: #22c55e;
  color: #052e16;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.chati-calls-secondary {
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  background: none;
  color: #f4f3ff;
  font: inherit;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  .chati-call-orb i,
  .chati-call-orb {
    animation: none !important;
  }
}