* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

.timer-update-container {
  background-color: #f5f5f5;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
}

.page-header {
  background-color: #ffffff;
  padding: 16px;
  border-bottom: 1px solid #e0e0e0;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.04);
}

.back-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  width: auto;
  min-height: 44px;
  padding: 0 16px;
  border-radius: 999px;
  border: 2px solid #f44336;
  background-color: transparent;
  color: #f44336;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 8px;
}

.back-button:hover {
  background-color: rgba(244, 67, 54, 0.10);
}

.page-header h1 {
  font-size: 28px;
  font-weight: 400;
  color: #212121;
  letter-spacing: -0.5px;
}

.page-header p {
  font-size: 13px;
  color: #757575;
  margin-top: 4px;
}

.form-shell {
  max-width: 860px;
  margin: 0 auto;
  padding: 16px;
}

.state-card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  color: #212121;
}

.state-card.error {
  color: #c62828;
}

.timer-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.field-card {
  background-color: #ffffff;
  border-radius: 12px;
  padding: 14px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.field-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 10px;
}

.field-label {
  font-size: 14px;
  font-weight: 600;
  color: #212121;
}

.field-caption {
  font-size: 12px;
  color: #757575;
}

.field-card input[type="text"] {
  width: 100%;
  border: 1px solid #e0e0e0;
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 15px;
  color: #212121;
  background-color: #fff;
}

.field-error {
  margin-top: 6px;
  color: #d32f2f;
  font-size: 12px;
  line-height: 1.4;
}

.title-input--error {
  border-color: #d32f2f !important;
  box-shadow: 0 0 0 2px rgba(211, 47, 47, 0.12) !important;
}

.field-card input[type="text"]:focus,
.title-input:focus,
.title-input:focus-visible {
  outline: none;
  border-color: #f44336;
  box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.12);
}

.title-input:hover {
  border-color: #f44336;
}

.tomato-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.tomato-stage {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.tomato-display {
  width: 92px;
  height: 92px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  background: radial-gradient(circle at 30% 30%, #ff6b6b 0%, #f44336 65%, #d32f2f 100%);
  color: #ffffff;
  box-shadow: 0 8px 18px rgba(244, 67, 54, 0.22);
}

.tomato-display strong {
  font-size: 24px;
  line-height: 1;
}

.tomato-emoji {
  font-size: 18px;
  line-height: 1;
}

.slider-card .slider-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
}

.value-pill {
  width: 78px;
  height: 78px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  text-align: center;
  background: linear-gradient(145deg, #f44336, #ff7043);
  color: #ffffff;
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 6px 14px rgba(244, 67, 54, 0.25);
  flex-shrink: 0;
  border: 1px solid rgba(255, 255, 255, 0.35);
}

.value-pill small {
  display: block;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  opacity: 0.9;
}

.slider-card input[type="range"] {
  flex: 1;
  accent-color: #f44336;
}

.slider-card input[type="range"]::-webkit-slider-thumb {
  background: #f44336;
}

.slider-card input[type="range"]::-moz-range-thumb {
  background: #f44336;
}

.range-note {
  margin-top: 8px;
  color: #757575;
  font-size: 12px;
}

.save-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  min-height: 44px;
  border: 2px solid #4caf50;
  border-radius: 999px;
  background-color: transparent;
  color: #4caf50;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}

.save-button:hover {
  background-color: rgba(76, 175, 80, 0.10);
}

@media (max-width: 600px) {
  .page-header {
    padding: 12px;
  }

  .page-header h1 {
    font-size: 24px;
  }

  .form-shell {
    padding: 12px;
  }

  .slider-card .slider-wrap {
    flex-direction: column;
    align-items: stretch;
  }

  .value-pill {
    width: 68px;
    height: 68px;
    margin: 0 auto;
  }
}