/* Sitka Radio v1 — iPad-first radio chatbot styles.
   44px+ touch targets, safe-area aware, dark radio theme. */

.sitka-radio {
  position: fixed;
  right: max(12px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
  width: min(340px, calc(100vw - 24px));
  max-height: min(520px, calc(100dvh - 120px));
  display: flex;
  flex-direction: column;
  background: rgba(10, 14, 22, 0.94);
  border: 1px solid rgba(125, 249, 255, 0.25);
  border-radius: 14px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  color: #e8f4f8;
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Text', system-ui, sans-serif;
  font-size: 14px;
  z-index: 9000;
  overflow: hidden;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.sr-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  background: rgba(125, 249, 255, 0.08);
  border-bottom: 1px solid rgba(125, 249, 255, 0.15);
}

.sr-title {
  font-weight: 700;
  letter-spacing: 1px;
  font-size: 13px;
  color: #7df9ff;
}

.sr-header-btns {
  display: flex;
  gap: 4px;
}

.sr-icon-btn {
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: none;
  color: #e8f4f8;
  font-size: 18px;
  cursor: pointer;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sr-icon-btn:active {
  background: rgba(255, 255, 255, 0.1);
}

.sr-transcript {
  flex: 1;
  overflow-y: auto;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 120px;
  -webkit-overflow-scrolling: touch;
}

.sr-msg {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 8px 10px;
  border-radius: 10px;
  line-height: 1.4;
  animation: sr-fadein 0.25s ease-out;
}

@keyframes sr-fadein {
  from { opacity: 0; transform: translateY(4px); }
  to { opacity: 1; transform: none; }
}

.sr-user {
  background: rgba(125, 249, 255, 0.12);
  align-self: flex-end;
  max-width: 90%;
}

.sr-bot {
  background: rgba(255, 255, 255, 0.06);
  align-self: flex-start;
  max-width: 92%;
}

.sr-copilot {
  border-left: 3px solid #ffd166;
}

.sr-tower {
  border-left: 3px solid #7df9ff;
}

.sr-who {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  opacity: 0.7;
}

.sr-copilot .sr-who { color: #ffd166; }
.sr-tower .sr-who { color: #7df9ff; }
.sr-user .sr-who { color: #7df9ff; }

.sr-text-body {
  word-wrap: break-word;
}

.sr-pending {
  opacity: 0.6;
  font-style: italic;
}

.sr-static {
  animation: sr-shimmer 1.2s infinite;
}

@keyframes sr-shimmer {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

.sr-feedback {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-top: 4px;
}

.sr-thumb {
  min-width: 44px;
  min-height: 44px;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  font-size: 18px;
  cursor: pointer;
  opacity: 0.6;
  transition: opacity 0.15s, transform 0.15s;
}
.sr-thumb:active {
  transform: scale(0.92);
}
.sr-thumb.sr-voted {
  opacity: 1;
  border-color: #7df9ff;
  background: rgba(125, 249, 255, 0.15);
}

.sr-locked {
  font-size: 12px;
  opacity: 0.5;
  margin-left: auto;
}

.sr-controls {
  padding: 10px 12px;
  border-top: 1px solid rgba(125, 249, 255, 0.15);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sr-waveform {
  width: 100%;
  height: 36px;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.3);
}

.sr-ptt {
  min-height: 64px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(180deg, #e33, #b22);
  color: #fff;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: none;
}
.sr-ptt:active, .sr-ptt.sr-listening {
  background: linear-gradient(180deg, #f44, #c33);
  transform: scale(0.98);
}
.sr-ptt:disabled {
  background: #555;
  opacity: 0.5;
  cursor: not-allowed;
}

.sr-text {
  min-height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.06);
  color: #e8f4f8;
  padding: 0 12px;
  font-size: 15px;
  outline: none;
}
.sr-text:focus {
  border-color: #7df9ff;
}
.sr-text::placeholder {
  color: rgba(232, 244, 248, 0.4);
}

.sr-footnote {
  padding: 6px 12px 8px;
  font-size: 10px;
  opacity: 0.4;
  text-align: center;
}

/* Collapsed badge */
.sitka-radio-badge {
  position: fixed;
  right: max(12px, env(safe-area-inset-right));
  bottom: max(12px, env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: 1px solid rgba(125, 249, 255, 0.3);
  background: rgba(10, 14, 22, 0.94);
  font-size: 26px;
  cursor: pointer;
  z-index: 9000;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.4);
  display: flex;
  align-items: center;
  justify-content: center;
}
.sitka-radio-badge:active {
  transform: scale(0.94);
}

/* Hide when radio panel is open */
.sitka-radio-badge[hidden] {
  display: none;
}
.sitka-radio[hidden] {
  display: none;
}

/* Landscape / small height: shrink transcript */
@media (max-height: 500px) {
  .sitka-radio {
    max-height: calc(100dvh - 24px);
  }
  .sr-transcript {
    min-height: 80px;
  }
}