/* ====== 引入设计系统（tokens → toolkit，全站统一） ====== */
@import url('../../ds/v1/toolkit.css');

/* ====== timestamp 工具特有样式（仅保留特有规则） ====== */
"Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}

}

* { box-sizing: border-box; }

html[data-theme="dark"] {
}

html[data-theme="light"] {
}

body {
  margin: 0;
  font-family: var(--ds-font);
  background: var(--ds-bg);
  color: var(--ds-text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.lang-zh { display: none; }
html[lang^="zh"] .lang-en { display: none; }
html[lang^="zh"] .lang-zh { display: inline; }


.ds-header__inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.ds-header__brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ds-text); font-weight: 700; }
.ds-header__logo { font-size: 22px; }
.ds-header__title { font-size: 18px; }
.ds-header__actions { display: flex; gap: 8px; }


.ds-hero__title { font-size: clamp(26px, 5vw, 36px); margin: 0 0 10px; letter-spacing: -0.02em; }
.ds-hero__sub { color: var(--ds-text-soft); margin: 0 auto; max-width: 560px; }

.ds-panel__title { font-size: 18px; margin: 0 0 18px; }

.ds-actions { display: flex; gap: 10px; margin-top: 18px; flex-wrap: wrap; }
.ds-btn--primary:hover { background: var(--ds-accent-hover); }
.ds-btn--secondary:hover:not([hidden]) { border-color: var(--ds-accent); }
.ds-btn--ghost:hover { color: var(--ds-text); border-color: var(--ds-accent); }
.ds-btn:active { transform: translateY(1px) scale(0.98); }
.ds-btn--primary:active { background: #1d4ed8; }
.ds-btn:focus-visible { outline: 2px solid var(--ds-accent); outline-offset: 2px; }
.ds-field__input:focus-visible, .ds-field__select:focus-visible, .ds-tz__remove:focus-visible { outline: 2px solid var(--ds-accent); outline-offset: 1px; }
.ds-tz:focus-visible { outline: 2px solid var(--ds-accent); outline-offset: 2px; }
@media (prefers-reduced-motion: reduce) {
}
.ds-btn:disabled { opacity: 0.5; cursor: not-allowed; }

.ds-field__label { display: block; font-size: 14px; font-weight: 500; color: var(--ds-text-soft); margin-bottom: 6px; }
.ds-field__input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-sm); background: var(--ds-bg); color: var(--ds-text);
  font-size: 15px; font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.ds-field__input:focus { outline: none; border-color: var(--ds-accent); box-shadow: 0 0 0 3px var(--ds-bg-soft); }
.ds-field__hint { display: block; margin-top: 6px; font-size: 12px; color: var(--ds-text-soft); }
.ds-field__row { display: flex; gap: 8px; align-items: stretch; }
.ds-field__row .ds-field__input { flex: 1; min-width: 0; }
.ds-field__select {
  padding: 10px 12px; border: 1px solid var(--ds-border); border-radius: var(--ds-radius-sm);
  background: var(--ds-bg); color: var(--ds-text); font-size: 15px; cursor: pointer; white-space: nowrap;
}
.ds-field__select:focus { outline: none; border-color: var(--ds-accent); box-shadow: 0 0 0 3px var(--ds-bg-soft); }

@media (min-width: 480px) { .ds-grid--2\@md, .ds-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 768px) { .ds-grid--3\@lg, .ds-grid--4\@lg, .ds-grid { grid-template-columns: repeat(4, 1fr); } }

.ds-card:hover { border-color: var(--ds-accent); }

.ds-result__header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.ds-result__label { font-size: 12px; font-weight: 500; color: var(--ds-text-soft); text-transform: uppercase; letter-spacing: 0.5px; }
.ds-result__value { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 15px; color: var(--ds-text); word-break: break-all; line-height: 1.5; min-height: 22px; }

.ds-divider { border: none; border-top: 1px solid var(--ds-border); }

.ds-result__copy { opacity: 0.6; transition: opacity 0.15s; }
.ds-result:hover .ds-result__copy { opacity: 1; }

#timezoneGrid { display: grid; gap: 12px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 480px) { #timezoneGrid { grid-template-columns: repeat(3, 1fr); } }
@media (min-width: 768px) { #timezoneGrid { grid-template-columns: repeat(4, 1fr); } }

.ds-tz { background: var(--ds-bg); border: 1px solid var(--ds-border); border-radius: var(--ds-radius-sm); padding: 14px; cursor: pointer; transition: border-color 0.15s; }
.ds-tz:hover { border-color: var(--ds-accent); }
.ds-tz__label { font-size: 12px; font-weight: 500; color: var(--ds-text-soft); margin-bottom: 6px; }
.ds-tz__value { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 14px; color: var(--ds-text); }

.ds-toast.is-show { opacity: 1; transform: translateX(-50%) translateY(0); }
html[data-theme="dark"] .ds-toast { background: rgba(255, 255, 255, 0.92); color: #111827; }

.ds-footer__inner { display: flex; flex-direction: column; align-items: center; gap: 8px; text-align: center; }
.ds-footer__contact { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; }
.ds-footer__contact a { color: var(--ds-text-soft); text-decoration: none; }
.ds-footer__contact a:hover { color: var(--ds-accent); }
.ds-footer__sep { color: var(--ds-text-soft); opacity: 0.5; }
.ds-footer__copyright { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; color: var(--ds-text-soft); font-size: 13px; }
.ds-footer__copyright a { color: var(--ds-text-soft); text-decoration: none; }
.ds-footer__copyright a:hover { color: var(--ds-accent); }
.ds-footer__filing { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 8px; font-size: 12px; color: var(--ds-text-soft); }
.ds-footer__filing a { color: var(--ds-text-soft); text-decoration: none; }
.ds-footer__filing a:hover { color: var(--ds-accent); }
.ds-footer__gongan { display: inline-flex; align-items: center; gap: 4px; }
.ds-footer__gongan img { width: 14px; height: 14px; vertical-align: middle; }

@media (max-width: 480px) {
  .ds-footer__inner { flex-direction: column; align-items: center; }
  .ds-footer__filing { flex-direction: column; gap: 4px; }
  .ds-hero__title { font-size: 24px; }
  .ds-actions { width: 100%; }
  .ds-actions .ds-btn { flex: 1 1 0; }
}

.ds-field__select--full { flex: 1; min-width: 0; }
.ds-field__input.is-error { border-color: #dc2626; box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.15); }
.ds-field__input.is-error:focus { border-color: #dc2626; }
.ds-field__hint.is-error-text { color: #dc2626; }
html[data-theme="dark"] .ds-field__input.is-error { border-color: #f87171; box-shadow: 0 0 0 3px rgba(248, 113, 113, 0.18); }
html[data-theme="dark"] .ds-field__input.is-error:focus { border-color: #f87171; }
html[data-theme="dark"] .ds-field__hint.is-error-text { color: #f87171; }

.ds-now { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; background: var(--ds-bg); border: 1px dashed var(--ds-border); border-radius: var(--ds-radius-sm); padding: 10px 16px; margin-bottom: 16px; }
.ds-now__label { font-size: 13px; font-weight: 500; color: var(--ds-text-soft); }
.ds-now__values { display: flex; gap: 16px; font-size: 13px; color: var(--ds-text-soft); }
.ds-now__item code { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--ds-accent); margin-left: 4px; }

.ds-relative { font-size: 12px; color: var(--ds-text-soft); margin-top: 6px; font-style: italic; }

.ds-tz { position: relative; }
.ds-tz__remove { position: absolute; top: 6px; right: 8px; border: none; background: transparent; color: var(--ds-text-soft); font-size: 16px; line-height: 1; cursor: pointer; padding: 2px 4px; border-radius: 4px; opacity: 0; transition: opacity 0.15s, color 0.15s; }
.ds-tz--extra:hover .ds-tz__remove { opacity: 1; }
.ds-tz--extra:focus-within .ds-tz__remove { opacity: 1; }
.ds-tz__remove:hover { color: #dc2626; }
@media (hover: none) {
  .ds-tz__remove { opacity: 0.5; }
}