.tool-shell {
  padding: clamp(16px, 3vw, 30px);
  display: grid;
  gap: 22px;
}

.display-wrap {
  border-radius: calc(var(--radius) + 8px);
  background: linear-gradient(180deg, var(--surface-2), var(--surface));
  border: 1px solid var(--border);
  padding: clamp(18px, 5vw, 42px);
  text-align: center;
}

.time-display {
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  letter-spacing: -0.045em;
  font-size: clamp(4rem, 19vw, 12rem);
  line-height: .9;
}

.tool-status {
  margin-top: 14px;
  color: var(--muted);
  font-weight: 800;
}

.tool-status.done {
  color: var(--success);
}

.inputs-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.controls-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.preset-btn {
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 999px;
  font-weight: 800;
}

.preset-btn:hover {
  border-color: var(--primary);
}

.settings-grid {
  display: grid;
  grid-template-columns: 1.1fr .8fr .8fr;
  gap: 12px;
  align-items: end;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
  min-height: 54px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: 16px;
  padding: 12px 14px;
  font-weight: 800;
}

.checkbox-row input { width: 18px; height: 18px; }

.alert-box {
  display: none;
  border: 1px solid color-mix(in srgb, var(--success), transparent 60%);
  background: color-mix(in srgb, var(--success), transparent 88%);
  color: var(--text);
  border-radius: 18px;
  padding: 16px;
  font-weight: 850;
  text-align: center;
}

.alert-box.show { display: block; }

@media (max-width: 760px) {
  .inputs-row, .settings-grid { grid-template-columns: 1fr; }
  .controls-row { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .controls-row .primary { grid-column: span 2; }
}

@media (max-width: 420px) {
  .controls-row { grid-template-columns: 1fr; }
  .controls-row .primary { grid-column: auto; }
  .time-display { font-size: clamp(3.25rem, 25vw, 7rem); }
}


.time-display[aria-live] {
  contain: content;
}

@media (max-width: 620px) {
  .tool-shell {
    padding: 12px;
    gap: 14px;
  }

  .display-wrap {
    padding: 20px 12px;
  }

  .presets {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .preset-btn {
    border-radius: 14px;
    min-height: 46px;
  }

  .inputs-row {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
  }

  .input-group label {
    font-size: .82rem;
  }

  .input-group input {
    min-height: 50px;
    padding: 10px;
    text-align: center;
  }
}

@media (max-width: 380px) {
  .inputs-row {
    grid-template-columns: 1fr;
  }
}


/* v4 tool polish */
.tool-card { overflow: hidden; }
.tool-topline {
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  color:var(--muted);
  font-weight:800;
  font-size:.92rem;
}
.tool-chip {
  border:1px solid var(--border);
  background:var(--surface-2);
  border-radius:999px;
  padding:7px 10px;
  color:var(--muted);
}
.alarm-current-time {
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  letter-spacing: -0.025em;
  font-size: clamp(1.5rem, 5vw, 3rem);
  margin-bottom: 8px;
}
.alarm-target {
  margin-top: 10px;
  color: var(--muted);
  font-weight: 850;
}
.alert-box.danger { border-color: color-mix(in srgb, var(--danger), transparent 55%); background: var(--danger-bg); }
@media (max-width:620px){
  .tool-topline{display:grid;justify-items:start}
  .settings-grid .btn{width:100%}
}


/* v7 cycles and interval tools */
.cycle-panel,
.interval-panel {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 22px;
  padding: clamp(14px, 3vw, 22px);
  display: grid;
  gap: 14px;
}
.cycle-head,
.interval-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}
.phase-pill {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 900;
  background: var(--surface);
}
.cycle-grid,
.interval-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}
.cycle-actions,
.interval-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.interval-display {
  font-variant-numeric: tabular-nums;
  font-weight: 900;
  letter-spacing: -0.05em;
  font-size: clamp(3rem, 13vw, 8rem);
  line-height: 1;
  text-align: center;
}
.interval-meta {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  color: var(--muted);
  font-weight: 850;
}
@media (max-width: 620px) {
  .cycle-grid,
  .interval-grid { grid-template-columns: 1fr; }
  .cycle-actions .btn,
  .interval-actions .btn { width: 100%; }
}


/* v8 date countdown, legal and monetization-ready blocks */
.countdown-date-grid {
  display: grid;
  grid-template-columns: 1.1fr .8fr 1fr;
  gap: 12px;
}
.countdown-display {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin-top: 12px;
}
.countdown-unit {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 18px;
  padding: 14px 10px;
  text-align: center;
}
.countdown-unit strong {
  display: block;
  font-variant-numeric: tabular-nums;
  font-size: clamp(2rem, 8vw, 5.5rem);
  letter-spacing: -0.06em;
  line-height: .95;
}
.countdown-unit span {
  display: block;
  color: var(--muted);
  font-weight: 850;
  margin-top: 6px;
}
.countdown-share-row,
.legal-summary,
.monetization-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}
.legal-summary span,
.monetization-note span {
  border: 1px solid var(--border);
  background: var(--surface-2);
  border-radius: 999px;
  padding: 8px 12px;
  font-weight: 800;
  color: var(--muted);
}
.ad-slot {
  border: 1px dashed var(--border);
  border-radius: 18px;
  min-height: 90px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: color-mix(in srgb, var(--surface-2), transparent 35%);
  font-weight: 800;
  text-align: center;
  padding: 14px;
}
@media (max-width: 760px) {
  .countdown-date-grid { grid-template-columns: 1fr; }
  .countdown-display { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 380px) {
  .countdown-display { grid-template-columns: 1fr; }
}


.custom-preview {
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 800;
  text-align: center;
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface-muted);
}
.pomodoro-presets {
  margin-bottom: 1rem;
}


/* v17: leitura melhor dos números e controle global de alarme */
.time-display,
.alarm-current-time {
  letter-spacing: -0.045em;
}

.cronobell-sound-alert {
  position: fixed;
  left: 50%;
  bottom: max(18px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 9999;
  width: min(92vw, 560px);
  border: 1px solid color-mix(in srgb, var(--danger), transparent 45%);
  background: var(--surface);
  color: var(--text);
  border-radius: 22px;
  box-shadow: 0 18px 60px rgba(15, 23, 42, .28);
  padding: 16px;
  display: grid;
  gap: 12px;
}

.cronobell-sound-alert[hidden] { display: none !important; }

.cronobell-sound-alert__label {
  color: var(--danger);
  font-size: .84rem;
  font-weight: 950;
  letter-spacing: .08em;
  text-transform: uppercase;
}

.cronobell-sound-alert__title {
  font-size: clamp(1.15rem, 4vw, 1.55rem);
  font-weight: 950;
  line-height: 1.15;
}

.cronobell-sound-alert__message {
  color: var(--muted);
  font-weight: 750;
  line-height: 1.45;
}

.cronobell-sound-alert__actions {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.cronobell-stop-sound {
  min-height: 54px;
  font-size: 1rem;
  border-color: color-mix(in srgb, var(--danger), transparent 35%);
  background: var(--danger);
  color: white;
}

.cronobell-sound-alert__hint {
  align-self: center;
  color: var(--muted);
  font-weight: 800;
  white-space: nowrap;
}

body.cronobell-sound-playing .display-wrap {
  outline: 3px solid color-mix(in srgb, var(--danger), transparent 35%);
  outline-offset: 3px;
}

@media (max-width: 520px) {
  .time-display { letter-spacing: -0.035em; }
  .cronobell-sound-alert {
    left: 10px;
    right: 10px;
    bottom: max(10px, env(safe-area-inset-bottom));
    width: auto;
    transform: none;
    border-radius: 18px;
  }
  .cronobell-sound-alert__actions { grid-template-columns: 1fr; }
  .cronobell-sound-alert__hint { white-space: normal; }
}

/* v18: displays grandes cabendo melhor em telas estreitas */
.time-display,
.interval-display,
.alarm-current-time {
  max-width: 100%;
  white-space: nowrap;
}

.time-display {
  letter-spacing: -0.026em;
}

@media (max-width: 620px) {
  .tool-shell {
    padding-left: 10px;
    padding-right: 10px;
  }

  .display-wrap {
    padding-left: 10px;
    padding-right: 10px;
  }

  .time-display {
    font-size: clamp(2.75rem, 17.5vw, 4.85rem);
    letter-spacing: -0.018em;
    line-height: .95;
  }

  .interval-display {
    font-size: clamp(2.7rem, 16.5vw, 4.6rem);
    letter-spacing: -0.018em;
  }
}

@media (max-width: 380px) {
  .time-display {
    font-size: clamp(2.45rem, 16.2vw, 4.1rem);
    letter-spacing: -0.012em;
  }

  .display-wrap {
    padding-left: 8px;
    padding-right: 8px;
  }
}