/* ===========================================================================
   Editor de timeline full screen
   =========================================================================== */

.tl-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--bg);
  display: flex;
  flex-direction: column;
}

/* ---------- Topo / transport ---------- */
.tl-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px 16px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
  flex-wrap: wrap;
}
.tl-transport { display: flex; align-items: center; gap: 12px; }
.tl-icon-btn {
  border: 1px solid var(--border); background: var(--card2); color: var(--text);
  border-radius: 999px; width: 44px; height: 44px; font-size: 16px; cursor: pointer;
}
.tl-icon-btn:hover { background: #2a3741; }
.tl-clock { font-family: var(--mono); font-size: 20px; font-weight: 700; }
.tl-sep, .tl-dur { font-family: var(--mono); font-size: 16px; color: var(--muted); }

.tl-controls { display: flex; align-items: center; gap: 10px 14px; flex-wrap: wrap; }
.tl-ctl {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted);
}
.tl-ctl select, .tl-ctl input[type=range] { accent-color: var(--green); }
.tl-ctl select {
  background: var(--card2); color: var(--text); border: 1px solid var(--border);
  border-radius: 6px; padding: 5px 8px;
  font-size: 16px; /* evita zoom do iOS */
}
.tl-btn {
  border: 1px solid var(--border); background: var(--card2); color: var(--text);
  border-radius: 8px; padding: 9px 14px; font-size: 13px; cursor: pointer;
  min-height: 44px;
}
.tl-btn:hover { background: #2a3741; }
.tl-btn-close { border-color: var(--red); color: var(--red); }
.tl-btn-close:hover { background: var(--bad-bg); }
.tl-btn-del { border-color: var(--red); color: var(--red); }
.tl-btn-del:hover { background: var(--bad-bg); }

/* ---------- Área da timeline ---------- */
.tl-scroll {
  flex: 1;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 0;
  background: var(--bg);
}
.tl-track {
  position: relative;
  height: 100%;
  min-height: 260px;
}

/* Waveform de fundo (canvas) */
.tl-wave {
  position: absolute;
  top: 46px; left: 0;
  height: calc(100% - 46px);
  display: block;
}

/* Régua de tempo no topo */
.tl-ruler {
  position: absolute;
  top: 0; left: 0;
  height: 46px;
  border-bottom: 1px solid var(--border);
}
.tl-tick {
  position: absolute; top: 0; height: 46px;
  border-left: 1px solid var(--border);
  font-family: var(--mono); font-size: 10px; color: var(--muted);
  padding: 4px 0 0 4px;
}
.tl-tick.minor { border-left-color: rgba(45,55,66,.5); height: 10px; top: 36px; }

/* Playhead */
.tl-playhead {
  position: absolute; top: 0; width: 2px; height: 100%;
  background: var(--amber); pointer-events: none; z-index: 5;
}
.tl-playhead::before {
  content: ''; position: absolute; top: 0; left: -5px;
  border: 6px solid transparent; border-top-color: var(--amber);
}

/* Blocos de frase */
.tl-blocks { position: absolute; top: 46px; left: 0; height: calc(100% - 46px); width: 100%; }
.tl-block {
  position: absolute;
  top: 18px;
  height: calc(100% - 52px);
  background: rgba(46,204,113,.18);
  border: 1px solid var(--green);
  border-radius: 7px;
  cursor: grab;
  overflow: hidden;
  display: flex;
  align-items: flex-start;
  min-width: 6px;
}
.tl-block:active { cursor: grabbing; }
.tl-block.sel { background: rgba(52,152,219,.28); border-color: var(--blue); z-index: 3; }
.tl-block.no-time { background: rgba(243,156,18,.15); border-style: dashed; border-color: var(--amber); }
.tl-block-label {
  padding: 5px 8px; font-size: 12px; color: var(--text);
  white-space: nowrap; pointer-events: none; text-overflow: ellipsis; overflow: hidden;
}
.tl-block-num {
  font-family: var(--mono); font-size: 10px; color: var(--muted);
  padding: 2px 5px;
}
/* Alças de redimensionamento nas bordas */
.tl-handle {
  position: absolute; top: 0; width: 9px; height: 100%; cursor: ew-resize; z-index: 2;
}
.tl-handle.left { left: -1px; }
.tl-handle.right { right: -1px; }
.tl-handle::after {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 3px; height: 40%; border-radius: 2px; background: currentColor; opacity: .5;
}
.tl-block.sel .tl-handle { color: var(--blue); }
.tl-block .tl-handle { color: var(--green); }

/* ---------- Rodapé / edição ---------- */
.tl-foot {
  border-top: 1px solid var(--border);
  background: var(--card);
  padding: 12px;
}
.tl-foot-empty { color: var(--muted); font-size: 14px; }
.tl-foot-row { display: flex; flex-wrap: wrap; align-items: center; gap: 8px 10px; margin-bottom: 10px; }
.tl-foot-row:last-of-type { margin-bottom: 0; }
.tl-badge {
  font-family: var(--mono); background: var(--blue); color: #0f1419;
  border-radius: 6px; padding: 4px 9px; font-weight: 700; font-size: 13px;
}
.tl-input {
  flex: 1 1 100%; min-width: 0; border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 10px; font-size: 16px; background: var(--card2); color: var(--text);
}
.tl-input:focus { outline: none; border-color: var(--green); }
.tl-time {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; text-transform: uppercase; letter-spacing: .5px; color: var(--muted);
}
.tl-time input {
  width: 90px; border: 1px solid var(--border); border-radius: 8px;
  padding: 8px; font-family: var(--mono); font-size: 16px; background: var(--card2); color: var(--text);
}
.tl-hint { font-size: 12px; color: var(--muted); margin-top: 6px; }

/* ==========================================================================
   Breakpoints (mobile-first)
   ========================================================================== */
@media (min-width: 768px) {
  .tl-top { padding: 12px 18px; }
  .tl-clock { font-size: 24px; }
  .tl-foot { padding: 14px 18px; }
  .tl-foot-row { flex-wrap: nowrap; }
  .tl-input { flex: 1 1 auto; font-size: 14px; }
  .tl-time input { font-size: 13px; }
  .tl-ctl select { font-size: 13px; }
  .tl-btn { min-height: 0; }
}