/* ── CRONÔMETRO OVERLAY ────────────────────────────────────────── */

#timer-fab {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 900;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  border: none;
  cursor: pointer;
  font-size: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 18px rgba(0,0,0,.45);
  transition: transform .15s, background .15s;
}
#timer-fab:hover { transform: scale(1.08); background: var(--blue-deep); }
#timer-fab.running { background: var(--blue-deep); }
#timer-fab.paused  { background: var(--blue-soft); }

/* ── Overlay ── */
#timer-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10,11,13,.96);
  backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s;
}
#timer-overlay.open {
  opacity: 1;
  pointer-events: all;
}

/* ── Fechar ── */
#timer-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--muted, #666);
  font-size: 28px;
  cursor: pointer;
  line-height: 1;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color .15s;
}
#timer-close:hover { color: #fff; }

/* ── Display ── */
#timer-display {
  font-size: clamp(72px, 15vw, 140px);
  font-family: 'Geist Mono', 'JetBrains Mono', 'Courier New', monospace;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 12px;
  transition: color .3s;
}
#timer-display.running { color: var(--blue); }
#timer-display.paused  { color: #d4872a; }

#timer-label {
  font-size: 13px;
  font-family: 'Geist Mono', 'JetBrains Mono', monospace;
  color: var(--muted, #555);
  letter-spacing: .08em;
  text-transform: uppercase;
  margin-bottom: 48px;
  min-height: 18px;
}

/* ── Botões principais ── */
.timer-controls {
  display: flex;
  gap: 16px;
  align-items: center;
  margin-bottom: 36px;
}

.timer-btn {
  border: none;
  border-radius: 12px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 32px;
  transition: transform .12s, opacity .15s;
  letter-spacing: .02em;
}
.timer-btn:active { transform: scale(.96); }
.timer-btn:disabled { opacity: .3; cursor: default; }

.timer-btn-start  { background: var(--blue); color: #fff; }
.timer-btn-start:hover { background: var(--blue-deep); }
.timer-btn-pause  { background: var(--blue-soft); color: #fff; }
.timer-btn-pause:hover { background: var(--blue); }
.timer-btn-resume { background: var(--blue); color: #fff; }
.timer-btn-resume:hover { background: var(--blue-deep); }
.timer-btn-stop   { background: transparent; color: var(--muted,#888); border: 1px solid var(--line,#2a2c30); }
.timer-btn-stop:hover { color: #e55; border-color: #e55; }

/* ── Salvar sessão ── */
#timer-save-area {
  display: none;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  animation: timerFadeIn .25s ease;
}
#timer-save-area.visible { display: flex; }

#timer-save-time {
  font-size: 13px;
  color: var(--muted, #666);
  font-family: 'Geist Mono', 'JetBrains Mono', monospace;
}

.timer-btn-save {
  background: var(--blue);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 13px 36px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .12s, background .15s;
}
.timer-btn-save:hover { background: var(--blue-deep); }
.timer-btn-save:hover { background: var(--blue-deep); }
.timer-btn-save:active { transform: scale(.97); }

.timer-btn-discard {
  background: none;
  border: none;
  color: var(--muted, #555);
  font-size: 12px;
  cursor: pointer;
  padding: 4px 8px;
  font-family: 'Geist Mono', 'JetBrains Mono', monospace;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.timer-btn-discard:hover { color: #e55; }

@keyframes timerFadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

@media (max-width: 720px) {
  #timer-fab {
    right: auto;
    left: 24px;
  }
}