.utilities-page {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 64px;
}

.utilities-intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}

.utilities-intro h1,
.panel-heading h2,
.sound-heading h2,
.laps-heading h3 {
  margin: 0;
  color: var(--jade-dark);
}

.utilities-intro h1 {
  margin-top: 4px;
  font: 700 2rem/1.2 "KaiTi", "STKaiti", serif;
}

.utilities-intro p:not(.utilities-kicker) {
  margin: 8px 0 0;
  color: #63786f;
}

.utilities-kicker {
  margin: 0;
  color: var(--jade);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.beijing-clock {
  min-width: 230px;
  padding: 14px 18px;
  border: 1px solid #cce1d4;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.88);
  text-align: right;
  box-shadow: 0 10px 28px rgba(37, 91, 67, 0.08);
}

.beijing-clock span,
.beijing-clock small {
  display: block;
  color: #667b72;
  font-size: 0.76rem;
}

.beijing-clock strong {
  display: block;
  margin: 4px 0 2px;
  color: #163f31;
  font: 800 1.55rem/1.1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
}

.keep-open-note,
.storage-notice {
  margin: 0 0 18px;
  padding: 12px 15px;
  border: 1px solid #d8e7dc;
  border-radius: 13px;
  color: #526a60;
  background: #f7fbf8;
  font-size: 0.84rem;
  line-height: 1.65;
}

.storage-notice {
  border-color: #efd9aa;
  color: #855c18;
  background: #fffaf0;
}

.utilities-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 24px;
  align-items: start;
}

.utilities-main,
.utilities-sidebar {
  min-width: 0;
}

.utilities-sidebar {
  position: sticky;
  top: 24px;
  display: grid;
  gap: 16px;
  max-height: calc(100vh - 48px);
  overflow-y: auto;
  scrollbar-width: thin;
}

.tool-panel,
.tool-switcher,
.sound-card {
  border: 1px solid #cfe2d6;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 14px 36px rgba(36, 92, 66, 0.08);
}

.tool-panel {
  min-height: 530px;
  padding: 28px;
}

.panel-heading,
.sound-heading,
.laps-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.panel-heading h2 {
  margin-top: 4px;
  font-size: 1.55rem;
}

.panel-tag,
.sound-heading span {
  flex: 0 0 auto;
  padding: 6px 10px;
  border-radius: 999px;
  color: #396d56;
  background: #edf7f0;
  font-size: 0.74rem;
  font-weight: 800;
}

.panel-copy {
  margin: 12px 0 24px;
  color: #63786f;
  line-height: 1.7;
}

.time-fields {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.alarm-time-row {
  display: flex;
  align-items: flex-end;
  gap: 12px;
  min-width: 0;
}

.alarm-time-row .time-fields {
  flex: 1 1 auto;
  min-width: 0;
}

.time-fields label {
  flex: 0 1 150px;
  min-width: 0;
}

.time-fields label span {
  display: block;
  margin: 0 0 7px;
  color: #50675d;
  font-size: 0.8rem;
  font-weight: 800;
}

.time-fields input {
  width: 100%;
  min-width: 0;
  height: 62px;
  padding: 8px 12px;
  border: 1px solid #bcd7c6;
  border-radius: 13px;
  color: #173d30;
  background: #fbfefc;
  font: 800 1.65rem/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  text-align: center;
}

.time-fields input:disabled {
  color: #879a91;
  background: #f0f4f1;
}

.time-fields input:focus-visible,
.alarm-note input:focus-visible,
.quick-times button:focus-visible,
.alarm-shortcuts button:focus-visible,
.button:focus-visible,
.tool-switcher a:focus-visible,
.sound-toggle input:focus-visible {
  outline: 3px solid rgba(35, 107, 80, 0.35);
  outline-offset: 2px;
}

.time-separator {
  padding-bottom: 14px;
  color: #4b7662;
  font: 800 1.45rem/1 ui-monospace, monospace;
}

.tool-actions,
.sound-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

.button,
.quick-times button,
.alarm-shortcuts button {
  min-height: 44px;
  border: 1px solid #bcd7c6;
  border-radius: 11px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.button {
  padding: 10px 18px;
}

.button:disabled {
  opacity: 0.48;
  cursor: not-allowed;
}

.button-primary {
  color: #fff;
  border-color: var(--jade-dark);
  background: var(--jade-dark);
}

.button-primary:hover:not(:disabled) {
  background: #174d3a;
}

.button-secondary {
  color: var(--jade-dark);
  background: #edf7f0;
}

.button-secondary:hover:not(:disabled),
.button-quiet:hover:not(:disabled),
.quick-times button:hover:not(:disabled),
.alarm-shortcuts button:hover:not(:disabled) {
  border-color: var(--jade);
  background: #e3f2e8;
}

.button-quiet {
  color: #516a60;
  background: #fff;
}

.button-alert {
  color: #fff;
  border-color: #a1473d;
  background: #a1473d;
}

.tool-state {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid #d7e7dc;
  border-radius: 15px;
  background: #f7fbf8;
}

.tool-state[data-state="ringing"],
.tool-state[data-state="finished"] {
  border-color: #d58f82;
  background: #fff2ef;
}

.tool-state > span {
  display: block;
  color: #6d8178;
  font-size: 0.76rem;
  font-weight: 800;
}

.tool-state strong {
  display: block;
  margin-top: 6px;
  color: #1f5f47;
  font-size: 1.2rem;
}

.tool-state[data-state="ringing"] strong,
.tool-state[data-state="finished"] strong {
  color: #91382f;
}

.tool-state p,
.form-message {
  margin: 7px 0 0;
  color: #647970;
  line-height: 1.55;
}

.form-message {
  min-height: 1.55em;
  font-size: 0.84rem;
}

.form-message.is-error {
  color: #a13e33;
  font-weight: 700;
}

.alarm-shortcuts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.alarm-shortcuts button {
  min-height: 40px;
  padding: 7px 13px;
  color: #356b53;
  background: #f6fbf7;
  font-size: 0.8rem;
}

.alarm-note {
  display: block;
  flex: 0 1 150px;
  width: 150px;
  min-width: 140px;
  margin: 0;
}

.alarm-note span {
  display: block;
  margin-bottom: 7px;
  color: #50675d;
  font-size: 0.8rem;
  font-weight: 800;
}

.alarm-note input {
  width: 100%;
  height: 62px;
  padding: 10px 13px;
  border: 1px solid #bcd7c6;
  border-radius: 11px;
  color: #173d30;
  background: #fbfefc;
  font: inherit;
}

.alarm-time-row input[type="number"] {
  appearance: textfield;
}

.alarm-time-row input[type="number"]::-webkit-inner-spin-button,
.alarm-time-row input[type="number"]::-webkit-outer-spin-button {
  margin: 0;
  appearance: none;
}

.alarm-list-wrap {
  min-width: 0;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid #e1ebe4;
}

.alarm-list {
  display: grid;
  gap: 9px;
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.alarm-item {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(100px, 140px) minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border: 1px solid #d6e6db;
  border-radius: 12px;
  background: #f7fbf8;
}

.alarm-item[data-state="ringing"] {
  border-color: #d58f82;
  background: #fff2ef;
}

.alarm-item time {
  color: #174c38;
  font: 800 1rem ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
}

.alarm-item-copy {
  min-width: 0;
}

.alarm-item-copy strong,
.alarm-item-copy small {
  display: block;
  overflow-wrap: anywhere;
}

.alarm-item-copy strong {
  color: #254f3e;
}

.alarm-item-copy small {
  margin-top: 3px;
  color: #71857c;
  font-size: 0.74rem;
}

.alarm-item button {
  min-height: 44px;
  padding: 7px 11px;
  border: 1px solid #bdd7c6;
  border-radius: 9px;
  color: #356b53;
  background: #fff;
  font: inherit;
  font-size: 0.78rem;
  font-weight: 800;
  cursor: pointer;
}

#alarm-status,
#alarm-detail,
#alarm-message {
  min-width: 0;
  overflow-wrap: anywhere;
}

.alarm-empty {
  padding: 20px;
  border: 1px dashed #c9dfd1;
  border-radius: 12px;
  color: #71857c;
  text-align: center;
}

.large-time {
  margin: 28px 0 8px;
  color: #173f31;
  font: 800 clamp(2.4rem, 7vw, 4.9rem)/1 ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.04em;
  text-align: center;
  overflow-wrap: anywhere;
}

.laps-wrap {
  margin-top: 22px;
  border-top: 1px solid #e1ebe4;
  padding-top: 18px;
}

.laps-heading h3 {
  font-size: 1rem;
}

.laps-heading span {
  color: #71857c;
  font-size: 0.78rem;
}

.lap-list {
  display: grid;
  gap: 8px;
  max-height: 290px;
  margin: 12px 0 0;
  padding: 0;
  overflow-y: auto;
  list-style: none;
  counter-reset: lap;
}

.lap-list li {
  counter-increment: lap;
  display: grid;
  grid-template-columns: 44px 1fr 1fr;
  gap: 10px;
  align-items: center;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 10px;
  background: #f5faf6;
  color: #547065;
  font-size: 0.82rem;
}

.lap-list li::before {
  content: counter(lap);
  font-weight: 900;
}

.lap-list time {
  min-width: 0;
  color: #1f5f47;
  font-family: ui-monospace, "SFMono-Regular", Consolas, monospace;
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.quick-times {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 7px;
  margin-top: 14px;
}

.quick-times > span {
  color: #687e74;
  font-size: 0.8rem;
  font-weight: 800;
}

.quick-times button {
  min-height: 40px;
  padding: 7px 11px;
  color: #356b53;
  background: #f6fbf7;
  font-size: 0.78rem;
}

.timer-progress {
  height: 8px;
  margin-top: 24px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8f0eb;
}

.timer-progress span {
  display: block;
  width: 100%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #66b88b, #236b50);
  transform-origin: left;
}

.tool-switcher {
  display: grid;
  gap: 7px;
  padding: 10px;
}

.tool-switcher a {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 11px;
  align-items: center;
  min-height: 64px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 13px;
  color: #355e4d;
  text-decoration: none;
}

.tool-switcher a:hover,
.tool-switcher a.is-active {
  border-color: #bddac8;
  background: #edf7f0;
}

.tool-switcher a.is-active {
  color: #174c38;
}

.tool-switcher strong,
.tool-switcher small {
  display: block;
}

.tool-switcher small {
  margin-top: 3px;
  color: #72867d;
  font-size: 0.72rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tool-symbol {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 12px;
  color: #236b50;
  background: #dff0e5;
  font: 800 1.1rem "KaiTi", serif;
}

.sound-card {
  padding: 18px;
}

.sound-heading h2 {
  font-size: 1rem;
}

.sound-heading span[data-state="ready"] {
  color: #236b50;
  background: #e0f2e6;
}

.sound-heading span[data-state="blocked"] {
  color: #934038;
  background: #fff0ed;
}

.sound-toggle {
  display: flex;
  align-items: center;
  gap: 9px;
  min-height: 44px;
  margin-top: 12px;
  color: #3f6152;
  font-size: 0.85rem;
  font-weight: 800;
  cursor: pointer;
}

.sound-toggle input {
  width: 19px;
  height: 19px;
  accent-color: var(--jade-dark);
}

.sound-controls {
  margin-top: 8px;
}

.sound-choice {
  display: grid;
  gap: 7px;
  color: #3f6152;
  font-size: 0.8rem;
  font-weight: 800;
}

.sound-choice-options {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.sound-choice-button {
  min-width: 0;
  min-height: 44px;
  padding: 8px 9px;
  border: 1px solid #c8dcd1;
  border-radius: 10px;
  color: #294c3c;
  background: #fbfdfb;
  font: inherit;
  line-height: 1.25;
  cursor: pointer;
}

.sound-choice-button[aria-pressed="true"] {
  border-color: #287354;
  color: #14583e;
  background: #dff0e5;
  box-shadow: inset 0 0 0 1px rgba(40, 115, 84, 0.14);
}

.sound-choice-button:focus-visible {
  outline: 3px solid rgba(47, 124, 91, 0.2);
  outline-offset: 2px;
  border-color: #4b9777;
}

.sound-choice-note {
  color: #71837a;
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1.45;
}

.sound-actions {
  display: block;
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid #dce8e1;
}

.sound-action-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.sound-actions .button {
  width: auto;
  min-height: 44px;
  flex: 0 0 auto;
  gap: 7px;
  padding-inline: 16px;
  font-size: 0.78rem;
}

.sound-actions #test-sound {
  border-color: #287354;
  color: #ffffff;
  background: #287354;
}

.sound-actions #test-sound:hover:not(:disabled) {
  background: #1d6045;
}

.sound-actions #stop-sound {
  border-color: #c8d7cf;
  color: #53675d;
  background: #ffffff;
}

.sound-actions > p {
  margin: 12px 0 0;
  color: #6b7f76;
  font-size: 0.76rem;
  line-height: 1.55;
}

.utilities-footer {
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 0 0 30px;
  color: #72857c;
  font-size: 0.76rem;
  text-align: center;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 1100px) {
  .utilities-layout {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .utilities-sidebar {
    position: static;
    grid-row: 1;
    max-height: none;
    overflow: visible;
  }

  .tool-switcher {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .sound-card {
    display: grid;
    grid-template-columns: minmax(170px, 1fr) auto;
    gap: 12px 18px;
    align-items: center;
  }

  .sound-heading {
    grid-column: 1;
  }

  .sound-toggle {
    grid-column: 2;
    margin: 0;
  }

  .sound-controls {
    display: block;
    grid-column: 1 / -1;
    margin: 0;
  }

  .sound-actions {
    margin-top: 18px;
  }
}

@media (max-width: 720px) {
  .utilities-page {
    width: calc(100% - 24px);
    padding-top: 24px;
  }

  .utilities-intro {
    display: grid;
  }

  .utilities-intro h1 {
    font-size: 1.65rem;
  }

  .beijing-clock {
    min-width: 0;
    text-align: left;
  }

  .tool-panel {
    min-height: 0;
    padding: 20px 16px;
    border-radius: 17px;
  }

  .panel-heading {
    align-items: flex-start;
  }

  .tool-switcher {
    display: flex;
    gap: 7px;
    overflow-x: auto;
    scrollbar-width: none;
  }

  .tool-switcher::-webkit-scrollbar {
    display: none;
  }

  .tool-switcher a {
    flex: 1 0 152px;
  }

  .sound-card {
    display: block;
  }

  .sound-toggle {
    margin-top: 10px;
  }

  .sound-controls {
    display: block;
    margin-top: 7px;
  }

  .sound-actions {
    margin-top: 18px;
  }

  .time-fields {
    gap: 6px;
  }

  .alarm-time-row {
    gap: 8px;
  }

  .alarm-time-row .alarm-note {
    flex-basis: 100px;
    width: 100px;
    min-width: 90px;
  }

  .time-fields input {
    height: 56px;
    padding-inline: 5px;
    font-size: 1.35rem;
  }

  .alarm-time-row .alarm-note input {
    height: 56px;
    padding-inline: 8px;
  }

  .alarm-shortcuts button {
    flex: 1 1 40%;
  }

  .time-separator {
    padding-bottom: 13px;
  }

  .large-time {
    font-size: clamp(2.1rem, 12vw, 3.5rem);
  }

  .lap-list li {
    grid-template-columns: 32px minmax(0, 1fr);
  }

  .lap-list time {
    grid-column: 2;
  }

  .utilities-footer {
    width: calc(100% - 24px);
  }
}

@media (max-width: 360px) {
  .panel-tag {
    max-width: 112px;
    white-space: normal;
    text-align: center;
  }

  .tool-actions .button {
    flex: 1 1 120px;
    padding-inline: 12px;
  }

  .quick-times button {
    flex: 1 1 70px;
  }

  .alarm-time-row .alarm-note {
    flex-basis: 90px;
    width: 90px;
  }

  .alarm-time-row {
    flex-wrap: wrap;
    gap: 5px;
  }

  .alarm-time-row .time-fields {
    flex-basis: 100%;
    gap: 3px;
  }

  .alarm-time-row .time-fields input {
    padding-inline: 1px;
    font-size: 1.1rem;
  }

  .alarm-time-row .time-separator {
    font-size: 1.05rem;
  }

  .alarm-item {
    grid-template-columns: 1fr auto;
  }

  .alarm-item time {
    grid-column: 1;
  }

  .alarm-item-copy {
    grid-column: 1;
  }

  .alarm-item button {
    grid-column: 2;
    grid-row: 1 / span 2;
  }
}