* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #1a1b2e 0%, #14152a 100%);
  color: #f2f2f7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  display: flex;
  justify-content: center;
}

.app {
  width: 100%;
  max-width: 480px;
  /* The iOS status bar is translucent in standalone mode, so the top inset
     keeps the header out from under the clock and notch. */
  padding-top: max(24px, env(safe-area-inset-top));
  padding-right: max(16px, env(safe-area-inset-right));
  padding-bottom: max(48px, env(safe-area-inset-bottom));
  padding-left: max(16px, env(safe-area-inset-left));
}

.app-header {
  text-align: center;
  margin-bottom: 24px;
}

.app-header h1 {
  margin: 0;
  font-size: 28px;
  letter-spacing: 0.5px;
}

.subtitle {
  margin: 4px 0 0;
  color: #a0a3c0;
  font-size: 14px;
}

.mic-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: 24px 0 32px;
}

.mic-btn {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, #6c5ce7, #4834d4);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 0 4px 20px rgba(108, 92, 231, 0.5);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.mic-btn:active {
  transform: scale(0.95);
}

.mic-btn.recording {
  background: linear-gradient(135deg, #ff6b6b, #e84118);
  box-shadow: 0 0 0 8px rgba(232, 65, 24, 0.2);
  animation: pulse 1.4s infinite;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(232, 65, 24, 0.4); }
  70% { box-shadow: 0 0 0 16px rgba(232, 65, 24, 0); }
  100% { box-shadow: 0 0 0 0 rgba(232, 65, 24, 0); }
}

.mic-status {
  margin-top: 12px;
  font-size: 14px;
  color: #a0a3c0;
  text-align: center;
}

.card {
  background: #22243c;
  border-radius: 16px;
  padding: 16px 18px;
  margin-bottom: 14px;
  border: 1px solid #33355a;
}

.card-label {
  font-size: 13px;
  font-weight: 600;
  color: #a0a3c0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.text-content {
  margin: 8px 0 0;
  font-size: 17px;
  line-height: 1.5;
  word-break: break-word;
}

.text-content.placeholder {
  color: #6b6e8f;
  font-style: italic;
  font-size: 15px;
}

/* --- source card: language switch + editable text --- */

.lang-switch {
  display: flex;
  gap: 4px;
  background: #1b1d33;
  border-radius: 10px;
  padding: 3px;
  margin-bottom: 12px;
}

.lang-btn {
  flex: 1;
  border: none;
  background: transparent;
  color: #a0a3c0;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  padding: 7px 4px;
  border-radius: 8px;
  cursor: pointer;
  white-space: nowrap;
}

.lang-btn.active {
  background: #6c5ce7;
  color: #fff;
}

.source-input {
  display: block;
  width: 100%;
  margin: 0;
  background: transparent;
  border: none;
  border-bottom: 1px dashed #3d3f66;
  color: inherit;
  font: inherit;
  font-size: 17px;
  line-height: 1.5;
  padding: 0 0 8px;
  resize: none;
  overflow: hidden;
  -webkit-appearance: none;
  border-radius: 0;
}

.source-input:focus {
  outline: none;
  border-bottom-color: #6c5ce7;
}

.source-input::placeholder {
  color: #6b6e8f;
  font-style: italic;
  font-size: 15px;
}

.source-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 10px;
}

.source-hint {
  font-size: 12px;
  color: #6b6e8f;
}

.retranslate-btn {
  border: 1px solid #4b4e7a;
  background: #2b2d4d;
  color: #f2f2f7;
  font-family: inherit;
  font-size: 13px;
  font-weight: 600;
  padding: 7px 14px;
  border-radius: 8px;
  cursor: pointer;
  flex-shrink: 0;
}

.retranslate-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.retranslate-btn:not(:disabled):active {
  transform: scale(0.96);
}

.speak-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: #33355a;
  color: #f2f2f7;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.speak-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.speak-btn:not(:disabled):active {
  transform: scale(0.9);
}

/* Synthesis takes a moment, so the button shows it is working. */
.speak-btn.loading {
  pointer-events: none;
}

.speak-btn.loading svg {
  display: none;
}

.speak-btn.loading::after {
  content: "";
  width: 16px;
  height: 16px;
  border: 2px solid #6b6e8f;
  border-top-color: #f2f2f7;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

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

.error-msg {
  text-align: center;
  color: #ff7675;
  font-size: 14px;
  margin-top: 16px;
}