/* 工具页 */
[hidden] {
  display: none !important;
}

.tool-page {
  padding-bottom: 88px;
}

.tool-intro {
  padding: clamp(42px, 9vh, 88px) 0 8px;
}

.tool-intro h1 {
  margin-bottom: 18px;
  font-size: clamp(30px, 5vw, 46px);
}

.tool-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}

.tool-jump a {
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--muted);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.tool-jump a:hover {
  color: var(--fg);
  border-color: var(--fg);
}

.tool {
  padding-top: 60px;
  scroll-margin-top: 20px;
}

.tool + .tool {
  margin-top: 64px;
  border-top: 1px solid var(--line);
}

.tool-head {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.tool-no {
  padding-top: 7px;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.tool-head h2 {
  margin: 0 0 5px;
  font-size: 20px;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.tool-head p {
  margin: 0;
  font-size: 13px;
  color: var(--muted);
}

.panel {
  border: 1px solid var(--line);
  border-radius: 14px;
  background: var(--card);
}

/* 牛马时钟 */
.clock-panel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 20px 32px;
  align-items: center;
  padding: 28px;
}

.clock-main {
  min-width: 0;
}

.clock-status {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 12px;
  color: var(--muted);
}

.clock-status .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--muted);
}

.clock-panel.is-running .clock-status .dot {
  background: var(--fg);
  animation: clock-pulse 1.8s ease-in-out infinite;
}

@keyframes clock-pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.25;
  }
}

.clock-time {
  font-size: clamp(42px, 8vw, 68px);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.035em;
  font-variant-numeric: tabular-nums;
}

.clock-money {
  margin-top: 12px;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.2;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.clock-money .cur {
  margin-right: 3px;
  font-size: 0.55em;
  vertical-align: 0.18em;
}

.clock-money strong {
  font-weight: 500;
  color: var(--fg);
}

.clock-hint {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.clock-side {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 132px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 42px;
  padding: 0 18px;
  border: 1px solid transparent;
  border-radius: 999px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 13px;
  line-height: 1;
  text-align: center;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease,
    border-color 0.15s ease, opacity 0.15s ease;
}

.btn-primary {
  border-color: var(--fg);
  background: var(--fg);
  color: var(--bg);
}

.btn-primary:hover {
  opacity: 0.82;
}

.btn-ghost {
  border-color: var(--line);
}

.btn-ghost:hover {
  border-color: var(--fg);
}

.btn:disabled {
  opacity: 0.32;
  cursor: not-allowed;
}

.btn-primary:disabled:hover {
  opacity: 0.32;
}

.link-btn {
  align-self: center;
  padding: 4px 6px;
  border: 0;
  background: none;
  color: var(--muted);
  font: inherit;
  font-size: 11px;
  text-decoration: underline;
  text-underline-offset: 3px;
  cursor: pointer;
}

.link-btn:hover {
  color: var(--fg);
}

.link-btn:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.clock-settings {
  margin-top: 14px;
  padding: 22px 24px;
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.field {
  display: block;
  font-size: 12px;
  color: var(--muted);
}

.field input {
  display: block;
  width: 100%;
  margin-top: 7px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 15px;
  transition: border-color 0.15s ease;
}

.field input:focus {
  outline: none;
  border-color: var(--fg);
}

.field input::placeholder {
  color: var(--muted);
  opacity: 0.8;
}

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

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

.rate-line {
  margin: 16px 0 0;
  font-size: 12px;
  color: var(--muted);
}

/* 滴滴挪车 */
.car-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 248px;
  gap: 16px;
  align-items: stretch;
}

.car-form {
  padding: 24px;
}

.car-form > .field {
  margin-bottom: 8px;
}

.switch-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.car-form > .switch-row:first-of-type {
  margin-top: 14px;
}

.switch-label {
  font-size: 14px;
}

.switch-label small {
  display: block;
  margin-top: 2px;
  font-size: 11px;
  line-height: 1.6;
  color: var(--muted);
}

.switch {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  width: 38px;
  height: 22px;
}

.switch input {
  position: absolute;
  z-index: 1;
  width: 100%;
  height: 100%;
  margin: 0;
  opacity: 0;
  cursor: pointer;
}

.switch .track {
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: var(--line);
  transition: background 0.18s ease;
}

.switch .track::after {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--bg);
  transition: transform 0.18s ease;
}

.switch input:checked + .track {
  background: var(--fg);
}

.switch input:checked + .track::after {
  transform: translateX(16px);
}

.switch input:focus-visible + .track {
  outline: 2px solid var(--fg);
  outline-offset: 2px;
}

.time-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 4px 0 16px;
  border-top: 1px solid var(--line);
}

.time-row[hidden] {
  display: none;
}

.time-row label {
  flex: 1;
  min-width: 0;
  font-size: 11px;
  color: var(--muted);
}

.time-row input {
  display: block;
  width: 100%;
  margin-top: 6px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 13px;
}

.time-row input:focus {
  outline: none;
  border-color: var(--fg);
}

.time-row .dash {
  padding-top: 25px;
  font-size: 12px;
  color: var(--muted);
}

.car-form > .btn {
  width: 100%;
  margin-top: 18px;
}

.form-error {
  min-height: 17px;
  margin: 8px 0 0;
  font-size: 12px;
  color: #b3261e;
}

.privacy {
  margin: 10px 0 0;
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
}

.car-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 280px;
  padding: 24px;
  border: 1px dashed var(--line);
  border-radius: 14px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.9;
  text-align: center;
}

.car-placeholder[hidden] {
  display: none;
}

.car-result {
  padding: 20px;
  text-align: center;
}

.car-result[hidden] {
  display: none;
}

.qr-wrap {
  display: inline-flex;
  padding: 10px;
  border-radius: 10px;
  background: #fff;
}

#carQr {
  display: block;
  width: 200px;
  height: 200px;
  image-rendering: pixelated;
}

.qr-caption {
  margin: 12px 0 0;
  font-size: 12px;
  color: var(--muted);
}

.qr-actions {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.qr-actions .btn {
  width: 100%;
}

.qr-note {
  margin: 12px 0 0;
  font-size: 11px;
  line-height: 1.7;
  color: var(--muted);
}

.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: 720px) {
  .tool-page {
    padding-bottom: 64px;
  }

  .tool {
    padding-top: 46px;
  }

  .tool + .tool {
    margin-top: 50px;
  }

  .tool-head {
    gap: 12px;
  }

  .clock-panel {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .clock-side {
    flex-direction: row;
    min-width: 0;
  }

  .clock-side .btn {
    flex: 1;
  }

  .clock-side .link-btn {
    flex: 0 0 auto;
    padding: 0 6px;
  }

  .clock-settings {
    padding: 20px;
  }

  .settings-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .car-grid {
    grid-template-columns: 1fr;
  }

  .car-form {
    padding: 20px;
  }

  .car-placeholder {
    min-height: 150px;
  }

  .car-result {
    padding: 18px;
  }
}

@media (prefers-color-scheme: dark) {
  .form-error {
    color: #ff7b72;
  }
}

@media (prefers-reduced-motion: reduce) {
  .clock-panel.is-running .clock-status .dot {
    animation: none;
  }
}