/* ── Pomodoro Timer — tool-specific styles ─────────────────────────────────
   Global styles are inherited from /css/style.css.
   All colours reference CSS custom properties where possible.
   ────────────────────────────────────────────────────────────────────────── */

:root {
  --pom-focus:       #e74c3c;
  --pom-short-break: #2ecc71;
  --pom-long-break:  #3498db;
  --pom-ring-track:  color-mix(in srgb, var(--border-color) 80%, transparent);
  --pom-ring-color:  var(--pom-focus);
  --pom-circumference: 578; /* 2π × 92 */
}

/* ── Card ──────────────────────────────────────────────────────────────── */
.pomodoro-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border-color);
  border-radius: 20px;
  box-shadow: var(--shadow-sm);
  max-width: 480px;
  margin: 0 auto;
  padding: 1.5rem;
  display: grid;
  gap: 1.25rem;
}

/* mode accent on left border */
.pomodoro-card.mode-focus      { border-left: 4px solid var(--pom-focus); }
.pomodoro-card.mode-short-break { border-left: 4px solid var(--pom-short-break); }
.pomodoro-card.mode-long-break  { border-left: 4px solid var(--pom-long-break); }

/* ── Mode tabs ─────────────────────────────────────────────────────────── */
.pomodoro-mode-tabs {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.4rem;
  background: color-mix(in srgb, var(--bg-primary) 92%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 0.3rem;
}

.pomodoro-mode-tab {
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  font-size: 0.8125rem;
  padding: 0.65rem 0.5rem;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}

.pomodoro-mode-tab:hover {
  color: var(--text-primary);
}

.pomodoro-mode-tab:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.pomodoro-mode-tab.active {
  background: var(--accent);
  color: var(--color-on-accent);
}

/* Mode-specific active tab colors */
.mode-focus       .pomodoro-mode-tab.active { background: var(--pom-focus); }
.mode-short-break .pomodoro-mode-tab.active { background: var(--pom-short-break); }
.mode-long-break  .pomodoro-mode-tab.active { background: var(--pom-long-break); }

/* ── Progress ring ─────────────────────────────────────────────────────── */
.pomodoro-ring-container {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 240px;
}

.pomodoro-ring {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
}

.pomodoro-ring svg {
  width: min(72vw, 240px);
  height: min(72vw, 240px);
  transform: rotate(-90deg);
  overflow: visible;
}

.pomodoro-ring-track,
.pomodoro-ring-progress {
  fill: none;
  stroke-width: 10;
  stroke-linecap: round;
}

.pomodoro-ring-track {
  stroke: var(--pom-ring-track);
}

.pomodoro-ring-progress {
  stroke: var(--pom-ring-color);
  stroke-dasharray: 578;
  stroke-dashoffset: 0;
  transition: stroke-dashoffset 1s linear, stroke 300ms ease;
}

/* Ring color changes per mode */
.mode-focus       .pomodoro-ring-progress { stroke: var(--pom-focus); }
.mode-short-break .pomodoro-ring-progress { stroke: var(--pom-short-break); }
.mode-long-break  .pomodoro-ring-progress { stroke: var(--pom-long-break); }

.pomodoro-ring-content {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 0.35rem;
  justify-items: center;
  text-align: center;
}

.pomodoro-time-display {
  margin: 0;
  font-size: clamp(2.75rem, 10vw, 4rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.04em;
  font-variant-numeric: tabular-nums;
  color: var(--text-primary);
}

.pomodoro-mode-label {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Controls ──────────────────────────────────────────────────────────── */
.pomodoro-controls {
  display: flex;
  gap: 0.65rem;
  flex-wrap: wrap;
}

.pomodoro-controls .btn {
  flex: 1;
  min-width: 80px;
  min-height: 44px;
}

.pomodoro-btn-skip {
  flex: 0 0 auto;
  min-width: 70px !important;
}

/* ── Session dots ──────────────────────────────────────────────────────── */
.pomodoro-sessions {
  display: grid;
  gap: 0.5rem;
  justify-items: center;
}

.pomodoro-session-text {
  margin: 0;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pomodoro-session-dots {
  display: flex;
  gap: 0.5rem;
  align-items: center;
}

.pomodoro-session-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 2px solid var(--border-color);
  background: transparent;
  transition: background var(--transition), border-color var(--transition);
}

.pomodoro-session-dot.completed {
  background: var(--accent);
  border-color: var(--accent);
}

.mode-focus       .pomodoro-session-dot.completed { background: var(--pom-focus); border-color: var(--pom-focus); }
.mode-short-break .pomodoro-session-dot.completed { background: var(--pom-short-break); border-color: var(--pom-short-break); }
.mode-long-break  .pomodoro-session-dot.completed { background: var(--pom-long-break); border-color: var(--pom-long-break); }

.pomodoro-session-dot.active {
  border-color: var(--accent);
  animation: pom-pulse 1.4s ease-in-out infinite;
}

.mode-focus       .pomodoro-session-dot.active { border-color: var(--pom-focus); }
.mode-short-break .pomodoro-session-dot.active { border-color: var(--pom-short-break); }
.mode-long-break  .pomodoro-session-dot.active { border-color: var(--pom-long-break); }

@keyframes pom-pulse {
  0%, 100% { transform: scale(1);   opacity: 1; }
  50%       { transform: scale(1.3); opacity: 0.7; }
}

/* ── Settings toggle ───────────────────────────────────────────────────── */
.pomodoro-settings-toggle-row {
  display: flex;
  justify-content: center;
}

.pomodoro-settings-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.85rem;
  cursor: pointer;
  transition: border-color var(--transition), color var(--transition), box-shadow var(--transition);
  min-height: 44px;
}

.pomodoro-settings-toggle:hover {
  color: var(--text-primary);
  border-color: var(--accent);
}

.pomodoro-settings-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--focus-ring);
}

/* ── Settings panel ────────────────────────────────────────────────────── */
.pomodoro-settings {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.85rem;
  background: color-mix(in srgb, var(--bg-primary) 60%, transparent);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  padding: 1rem;
}

.pomodoro-settings[hidden] {
  display: none;
}

.pomodoro-setting-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.pomodoro-setting-row label {
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pomodoro-setting-row input[type="number"] {
  width: 72px;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-input, var(--bg-primary));
  color: var(--text-primary);
  font-size: 0.875rem;
  font-variant-numeric: tabular-nums;
  text-align: center;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.pomodoro-setting-row input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--focus-ring);
}

.pomodoro-setting-row--check {
  justify-content: flex-start;
}

.pomodoro-checkbox-label {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.pomodoro-checkbox-label input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

/* ── Keyboard hint ─────────────────────────────────────────────────────── */
.pomodoro-keyboard-hint {
  margin: 0;
  text-align: center;
  font-size: 0.8rem;
  color: var(--text-secondary);
  letter-spacing: 0.02em;
}

/* ── Responsive ────────────────────────────────────────────────────────── */
@media (max-width: 480px) {
  .pomodoro-card {
    padding: 1rem;
    gap: 1rem;
  }

  .pomodoro-ring svg {
    width: min(72vw, 200px);
    height: min(72vw, 200px);
  }

  .pomodoro-ring-container {
    min-height: 200px;
  }

  .pomodoro-mode-tab {
    font-size: 0.75rem;
    padding: 0.55rem 0.35rem;
  }

  .pomodoro-settings {
    grid-template-columns: 1fr;
  }

  .pomodoro-controls {
    gap: 0.5rem;
  }
}