/* 스톱워치·타이머 전용 스타일 */

nav { max-width: 720px; }
main { max-width: 720px; }

.subtitle {
  color: var(--text-sub);
  margin-bottom: 1.25rem;
}

/* 모드 탭 */
.mode-tabs {
  display: flex;
  gap: 0.4rem;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}

.mode-tab {
  flex: 1;
  min-width: 120px;
  padding: 0.65rem 1rem;
  font-size: 0.9rem;
  font-weight: 600;
  background: var(--surface);
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

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

.mode-tab.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

/* 스테이지 */
.stage {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1.5rem 1.5rem 1.25rem;
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.1rem;
  --phase-color: var(--primary);
}

.stage[data-mode="stopwatch"] {
  --phase-color: #6366f1;
  background: linear-gradient(135deg, var(--surface) 70%, rgba(99, 102, 241, 0.08));
}

.stage[data-mode="timer"] {
  --phase-color: #f97316;
  background: linear-gradient(135deg, var(--surface) 70%, rgba(249, 115, 22, 0.08));
}

.phase-row {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.phase-label {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--phase-color);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0.3rem 0.8rem;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--phase-color);
  border-radius: 999px;
}

@media (prefers-color-scheme: dark) {
  .phase-label {
    background: rgba(0, 0, 0, 0.25);
  }
}

.mute-btn {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.4rem 0.55rem;
  cursor: pointer;
  font-size: 1rem;
  transition: all 0.15s;
}

.mute-btn:hover {
  border-color: var(--phase-color);
}

/* 시간 표시 */
.display {
  width: 100%;
  text-align: center;
  padding: 1rem 0;
}

.time-num {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 4rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* 타이머 입력 */
.timer-input {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  align-items: center;
}

.ti-row {
  display: flex;
  align-items: flex-end;
  gap: 0.4rem;
}

.ti-field {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  align-items: center;
}

.ti-field label {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ti-field input {
  width: 70px;
  padding: 0.55rem 0.6rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.15rem;
  font-weight: 700;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: var(--bg);
  color: var(--text);
  outline: none;
  text-align: center;
  box-sizing: border-box;
}

.ti-field input:focus {
  border-color: var(--phase-color);
  box-shadow: 0 0 0 3px rgba(249, 115, 22, 0.15);
}

.ti-colon {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--text-sub);
  padding-bottom: 0.5rem;
}

.presets {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
  justify-content: center;
}

.preset {
  padding: 0.35rem 0.7rem;
  font-size: 0.78rem;
  font-weight: 600;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

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

/* 컨트롤 */
.controls {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center;
}

.ctrl-btn {
  padding: 0.6rem 1.1rem;
  font-size: 0.88rem;
  font-weight: 600;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}

.ctrl-btn:hover:not(:disabled) {
  border-color: var(--phase-color);
  color: var(--phase-color);
}

.ctrl-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.ctrl-btn.primary {
  background: var(--phase-color);
  color: #fff;
  border-color: var(--phase-color);
}

.ctrl-btn.primary:hover {
  filter: brightness(1.08);
  color: #fff;
}

/* 랩 기록 */
.laps-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1.5rem;
}

.laps-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.laps-title {
  margin: 0;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-sub);
}

.clear-btn {
  padding: 0.3rem 0.7rem;
  font-size: 0.75rem;
  font-weight: 600;
  background: var(--bg);
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}

.clear-btn:hover {
  border-color: var(--error, #dc2626);
  color: var(--error, #dc2626);
}

.laps-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 320px;
  overflow-y: auto;
}

.laps-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.7rem;
  align-items: center;
  padding: 0.4rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.lap-no {
  font-weight: 700;
  color: var(--phase-color);
  min-width: 50px;
}

.lap-delta {
  color: var(--text-sub);
  text-align: right;
}

.lap-total {
  font-weight: 600;
  color: var(--text);
  text-align: right;
}

@media (max-width: 600px) {
  .stage { padding: 1.2rem 1rem; }
  .time-num { font-size: 3rem; }
  .ctrl-btn { padding: 0.55rem 0.85rem; font-size: 0.8rem; }
  .ti-field input { width: 60px; font-size: 1rem; }
}