/* Voice page — orb stage + transcript log + push-to-talk composer.
   Tokens come from app.css; this file only adds page-specific layout
   and the orb visual states. */

#voice-main {
  display: grid;
  grid-template-rows: 1fr auto;
  gap: 12px;
  overflow: hidden;
}

.voice-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 26px;
  padding: 32px 20px;
  text-align: center;
}

.orb {
  position: relative;
  width: clamp(160px, 38vw, 220px);
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
}
.orb-core {
  width: 55%;
  aspect-ratio: 1 / 1;
  border-radius: 999px;
  background: radial-gradient(
    circle at 32% 28%,
    color-mix(in oklab, var(--accent) 70%, white) 0%,
    var(--accent) 38%,
    var(--accent-dim) 72%,
    color-mix(in oklab, var(--accent-dim) 30%, black) 100%
  );
  box-shadow:
    0 0 60px var(--accent-glow),
    0 0 120px var(--accent-glow),
    inset 0 0 30px rgba(255, 255, 255, 0.18);
  transition: transform 0.25s var(--ease-out), filter 0.25s var(--ease-out);
}
.orb-ring {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  animation: orbit 8s linear infinite;
}
@keyframes orbit {
  from { transform: rotate(0deg) scale(1); }
  50%  { transform: rotate(180deg) scale(1.05); }
  to   { transform: rotate(360deg) scale(1); }
}

body[data-vstate="listening"] .orb-core {
  filter: hue-rotate(60deg) brightness(1.15);
  animation: pulse-listen 1.2s var(--ease-out) infinite;
}
@keyframes pulse-listen {
  0%, 100% { transform: scale(1); }
  50%      { transform: scale(1.08); }
}

body[data-vstate="thinking"] .orb-core {
  filter: hue-rotate(-30deg) brightness(0.92);
  animation: pulse-think 0.7s var(--ease-out) infinite alternate;
}
@keyframes pulse-think {
  to { transform: scale(0.94); filter: hue-rotate(-30deg) brightness(1.1); }
}

body[data-vstate="speaking"] .orb-core {
  animation: pulse-speak 0.45s var(--ease-out) infinite alternate;
}
@keyframes pulse-speak {
  to { transform: scale(1.05); filter: brightness(1.4); }
}

body[data-vstate="interrupted"] .orb-core {
  filter: saturate(0.3);
  transform: scale(0.92);
}

.state-label {
  font-family: var(--sans);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--fg-faint);
  font-weight: 600;
}
body[data-vstate="listening"] .state-label { color: var(--user); }
body[data-vstate="thinking"] .state-label { color: var(--accent); }
body[data-vstate="speaking"] .state-label { color: var(--ok); }
body[data-vstate="interrupted"] .state-label { color: var(--error); }

.transcript {
  min-height: 28px;
  max-width: 640px;
  font-family: var(--sans);
  color: var(--fg-dim);
  font-size: 17px;
  font-style: italic;
  line-height: 1.5;
  padding: 0 16px;
}
.transcript:empty::before {
  content: "…";
  color: var(--fg-faint);
}

.log {
  overflow-y: auto;
  padding: 0 clamp(14px, 5vw, 60px) 12px;
  border-top: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}
.log .msg { max-width: 760px; margin: 14px auto; }

.composer {
  max-width: 760px;
  margin: 0 auto;
  padding: 12px clamp(14px, 5vw, 60px) max(14px, var(--safe-bottom));
  display: flex;
  gap: 10px;
  justify-content: center;
  flex-wrap: wrap;
}
.composer button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-dim));
  color: #fff;
  border: 0;
  border-radius: 999px;
  padding: 13px 26px;
  font-weight: 600;
  font-size: 15px;
  cursor: pointer;
  font-family: var(--sans);
  min-height: 46px;
  box-shadow: var(--shadow-2);
  transition: filter 0.15s var(--ease-out),
              transform 0.12s var(--ease-spring);
}
.composer button.primary:hover { filter: brightness(1.08); }
.composer button.primary:active { transform: scale(0.96); }
.composer button.primary[data-active="1"] {
  background: linear-gradient(135deg, var(--error), color-mix(in oklab, var(--error) 70%, black));
  animation: pulse-active 1s var(--ease-out) infinite;
}
@keyframes pulse-active {
  0%, 100% { box-shadow: var(--shadow-2); }
  50% { box-shadow: var(--shadow-2), 0 0 0 6px color-mix(in oklab, var(--error) 30%, transparent); }
}
.composer button:not(.primary) {
  background: var(--bg-glass);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--fg-dim);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 12px 22px;
  cursor: pointer;
  font-family: var(--sans);
  font-size: 14px;
  min-height: 46px;
  transition: color 0.15s var(--ease-out),
              border-color 0.15s var(--ease-out),
              transform 0.12s var(--ease-out);
}
.composer button:not(.primary):hover {
  color: var(--accent);
  border-color: var(--border-strong);
}
.composer button:not(.primary):active { transform: scale(0.96); }
.composer button:not(.primary):disabled { opacity: 0.4; cursor: not-allowed; }

.navlink {
  color: var(--fg-dim);
  text-decoration: none;
  font-family: var(--mono);
  font-size: 12px;
}
.navlink:hover { color: var(--accent); }

@media (max-width: 640px) {
  .voice-stage { padding: 20px 14px; gap: 18px; }
  .transcript { font-size: 15px; }
  .composer { padding: 10px 14px max(12px, var(--safe-bottom)); }
  .composer button.primary { padding: 12px 22px; font-size: 14px; }
}