/* ── AMBIENT GLOW ── */
.tts-ambient {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  pointer-events: none; z-index: 0; overflow: hidden;
}
.tts-ambient::before {
  content: '';
  position: absolute; top: -20%; left: -5%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(0,238,252,0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: ttsDrift1 18s ease-in-out infinite alternate;
}
.tts-ambient::after {
  content: '';
  position: absolute; bottom: -20%; right: -5%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(255,0,127,0.04) 0%, transparent 70%);
  border-radius: 50%;
  animation: ttsDrift2 22s ease-in-out infinite alternate;
}
@keyframes ttsDrift1 { from { transform: translate(0,0); } to { transform: translate(60px,40px); } }
@keyframes ttsDrift2 { from { transform: translate(0,0); } to { transform: translate(-50px,-60px); } }

/* ── BODY & WRAPPER ── */
body {
  font-family: 'Space Grotesk', sans-serif;
  padding-top: 72px;
  min-height: 100vh;
}

.tts-wrap {
  width: 90%;
  max-width: 760px;
  margin: 2rem auto 4rem;
  position: relative;
  z-index: 1;
}

/* ── PAGE TITLE ── */
.page-title {
  font-family: 'Space Grotesk', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: -0.03em;
  color: var(--on-surface, #f8f5fd);
  margin: 0 0 0.4rem;
}

.gradient-text {
  background: linear-gradient(90deg, #00eefc, #0088aa);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: drop-shadow(0 0 20px rgba(0,238,252,0.3));
}

.tts-description {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(248,245,253,0.4);
  margin: 0 0 1.75rem;
}

/* ── CARD ── */
.tts-card {
  background: rgba(37,37,44,0.5);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

/* ── OPTIONS ROW ── */
.tts-options-row {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.tts-option-group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  flex: 1;
  min-width: 160px;
}

.tts-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: rgba(248,245,253,0.4);
}

.tts-select {
  padding: 0.55rem 0.75rem;
  background: rgba(14,14,19,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 0.5rem;
  color: var(--on-surface, #f8f5fd);
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  outline: none;
  transition: border-color 0.2s;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(248,245,253,0.3)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  padding-right: 2rem;
}
.tts-select:focus { border-color: rgba(0,238,252,0.4); }
.tts-select option { background: #1a1a22; color: #f8f5fd; }

/* ── TEXTAREA ── */
.tts-textarea-wrap {
  position: relative;
}

#tts-input {
  width: 100%;
  min-height: 200px;
  padding: 0.75rem 0.9rem;
  padding-bottom: 2rem;
  border: 1px solid rgba(255,255,255,0.07);
  border-radius: 0.6rem;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.88rem;
  line-height: 1.65;
  resize: vertical;
  box-sizing: border-box;
  background: rgba(14,14,19,0.6);
  color: var(--on-surface, #f8f5fd);
  outline: none;
  transition: border-color 0.2s;
}
#tts-input:focus { border-color: rgba(0,238,252,0.4); }
#tts-input::placeholder { color: rgba(248,245,253,0.2); }

.tts-char-count {
  position: absolute;
  bottom: 0.5rem;
  right: 0.75rem;
  font-size: 0.68rem;
  font-weight: 600;
  color: rgba(248,245,253,0.3);
  pointer-events: none;
}

.tts-char-count.near-limit { color: rgba(251,191,36,0.7); }
.tts-char-count.at-limit { color: rgba(255,80,80,0.8); }

/* ── CONVERT BUTTON ── */
#tts-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.65rem 1.5rem;
  background: linear-gradient(135deg, #00eefc, #0099aa);
  border: none;
  border-radius: 9999px;
  color: #0a0a10;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.2s, opacity 0.2s;
  box-shadow: 0 0 20px rgba(0,238,252,0.3);
}
#tts-btn .material-symbols-outlined { font-size: 1rem; }
#tts-btn:hover:not(:disabled) { transform: scale(1.02); box-shadow: 0 0 30px rgba(0,238,252,0.5); }
#tts-btn:active:not(:disabled) { transform: scale(0.98); }
#tts-btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── OUTPUT ── */
.tts-output-wrap {
  margin-top: 1.25rem;
  background: rgba(0,238,252,0.04);
  border: 1px solid rgba(0,238,252,0.12);
  border-radius: 1rem;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.tts-output-label {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: rgba(0,238,252,0.5);
}

/* Custom player */
.tts-player-ui {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  background: rgba(14,14,19,0.6);
  border: 1px solid rgba(0,238,252,0.15);
  border-radius: 0.75rem;
  padding: 0.85rem 1rem;
}

.tts-play-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  background: #00eefc;
  border: none;
  border-radius: 50%;
  color: #0a0a10;
  cursor: pointer;
  flex-shrink: 0;
  transition: transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 0 14px rgba(0,238,252,0.35);
}
.tts-play-btn:hover { transform: scale(1.08); box-shadow: 0 0 24px rgba(0,238,252,0.55); }
.tts-play-btn .material-symbols-outlined { font-size: 1.3rem; }

.tts-player-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.tts-progress-wrap {
  position: relative;
  height: 4px;
  background: rgba(255,255,255,0.08);
  border-radius: 99px;
  cursor: pointer;
}
.tts-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #00eefc, #0099aa);
  border-radius: 99px;
  width: 0%;
  pointer-events: none;
  transition: width 0.1s linear;
}
.tts-progress-thumb {
  position: absolute;
  top: 50%;
  width: 12px;
  height: 12px;
  background: #00eefc;
  border-radius: 50%;
  transform: translate(-50%, -50%) scale(0);
  transition: transform 0.15s;
  pointer-events: none;
  box-shadow: 0 0 6px rgba(0,238,252,0.7);
}
.tts-progress-wrap:hover .tts-progress-thumb { transform: translate(-50%, -50%) scale(1); }
.tts-progress-wrap:hover .tts-progress-fill { background: linear-gradient(90deg, #67f8ff, #00eefc); }

.tts-time-row {
  display: flex;
  justify-content: space-between;
}
.tts-time {
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(248,245,253,0.35);
}

/* Action buttons row */
.tts-action-btns {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.tts-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  background: rgba(0,238,252,0.08);
  border: 1px solid rgba(0,238,252,0.2);
  border-radius: 9999px;
  color: #00eefc;
  font-family: 'Space Grotesk', sans-serif;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s, transform 0.15s;
}
.tts-action-btn:hover { background: rgba(0,238,252,0.16); transform: translateY(-1px); }
.tts-action-btn .material-symbols-outlined { font-size: 0.95rem; }

.tts-share-btn {
  background: rgba(37,211,102,0.08);
  border-color: rgba(37,211,102,0.25);
  color: #25d366;
}
.tts-share-btn:hover { background: rgba(37,211,102,0.16); }
.tts-share-btn svg { flex-shrink: 0; }

/* ── ERROR ── */
.tts-error {
  margin-top: 1rem;
  padding: 0.85rem 1rem;
  background: rgba(255,80,80,0.08);
  border: 1px solid rgba(255,80,80,0.2);
  border-radius: 0.6rem;
  color: rgba(255,120,120,0.9);
  font-size: 0.85rem;
  line-height: 1.5;
}

/* ── LOADING SPINNER ── */
.tts-spinner {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border: 2px solid rgba(10,10,16,0.3);
  border-top-color: #0a0a10;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  flex-shrink: 0;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  .tts-options-row {
    flex-direction: column;
  }
  .tts-option-group {
    min-width: unset;
  }
  #tts-btn {
    align-self: stretch;
    justify-content: center;
  }
  .tts-download-btn {
    align-self: stretch;
    justify-content: center;
  }
}