/* Palette follows www.weili.space so the page feels like part of the site. */
:root {
  --paper: #f6f0e6;
  --surface: #fffdf9;
  --surface-2: #f1e9dc;
  --ink: #132238;
  --ink-soft: #2d3a4c;
  --muted: #5f6b7a;
  --line: rgba(19, 34, 56, 0.13);
  --gold: #8a6420;
  --gold-bg: #b48a3a;
  --gold-soft: rgba(180, 138, 58, 0.14);
  --red: #b42318;
  --orange: #a6520b;
  --green: #2f6b45;
  --rank-a: #a12d2d;
  --rank-b: #8a5a12;
  --rank-c: #2f5d7c;
  --shadow: 0 6px 24px rgba(37, 28, 15, 0.035);
  --motion-fast: 180ms;
  --font: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  color-scheme: light;
}

[data-theme="dark"] {
  --paper: #11181f;
  --surface: #161f28;
  --surface-2: #1d2833;
  --ink: #eef2f6;
  --ink-soft: #c7d0da;
  --muted: #9aa7b6;
  --line: rgba(238, 242, 246, 0.14);
  --gold: #e0bd78;
  --gold-bg: #b48a3a;
  --gold-soft: rgba(216, 178, 102, 0.16);
  --red: #f0877c;
  --orange: #f1a660;
  --green: #84c79b;
  --rank-a: #f08f8f;
  --rank-b: #e7b766;
  --rank-c: #8cc0e4;
  --shadow: 0 6px 24px rgba(0, 0, 0, 0.12);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-padding-top: 80px; background: var(--paper); }
[hidden] { display: none !important; }
::selection { background: var(--gold-soft); color: var(--ink); }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  background: radial-gradient(circle at 8% 4%, var(--gold-soft), transparent 28rem);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gold); text-underline-offset: 2px; }
a:hover { color: var(--ink); }
button, input, select { font: inherit; color: inherit; }
a, button, input, select { -webkit-tap-highlight-color: transparent; transition: color var(--motion-fast) ease, background-color var(--motion-fast) ease, border-color var(--motion-fast) ease; }
.theme-changing, .theme-changing body, .theme-changing .site-header, .theme-changing .panel, .theme-changing .tool { transition: color 240ms ease, background-color 240ms ease; }

:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; border-radius: 4px; }

.wrap { width: min(1280px, 100% - 64px); margin-inline: auto; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: 12px; top: -48px; z-index: 20;
  padding: 8px 14px; background: var(--ink); color: var(--paper); border-radius: 8px;
}
.skip-link:focus { top: 12px; }

/* ---------- Header ---------- */

.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--paper) 86%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.brand { font-weight: 800; font-size: 1.05rem; color: var(--ink); text-decoration: none; letter-spacing: 0.02em; }
.brand span { color: var(--gold); }
.header-actions { display: flex; align-items: center; gap: 18px; }
.header-actions a { color: var(--ink-soft); text-decoration: none; font-size: 0.9rem; }
.header-actions a:hover { color: var(--gold); }

.icon-btn {
  display: grid; place-items: center; width: 40px; height: 40px;
  border: 1px solid var(--line); border-radius: 50%; background: var(--surface); cursor: pointer;
}
.icon-btn:hover { border-color: var(--gold-bg); color: var(--gold); }
.icon-btn svg { transition: transform var(--motion-fast) ease; }
.icon-btn:is(:hover,:focus-visible) svg { transform: rotate(12deg); }
.icon-btn svg { width: 17px; height: 17px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; }
.icon-btn .icon-moon { fill: currentColor; stroke: none; }
.icon-btn .icon-sun { display: none; }
[data-theme="dark"] .icon-btn .icon-sun { display: block; }
[data-theme="dark"] .icon-btn .icon-moon { display: none; }

/* ---------- Hero ---------- */

.hero { padding: 52px 0 32px; }
.hero h1 { margin: 0 0 16px; font-size: clamp(1.5rem, 3vw, 2rem); line-height: 1.5; letter-spacing: -.035em; font-weight: 650; text-wrap: balance; }
.hero-sub { margin: 0 0 14px; max-width: 780px; color: var(--ink-soft); font-size: .9rem; line-height: 1.8; }
.byline { margin: 0; color: var(--muted); font-size: .78rem; }
.byline a { color: inherit; text-decoration: none; }
.byline a:hover { color: var(--gold); }

/* ---------- Tabs ---------- */

.tabs { display: flex; gap: 8px; border-bottom: 1px solid var(--line); overflow-x: auto; scroll-margin-top: 80px; }
.tab {
  position: relative; padding: 14px 20px; border: 0;
  background: none; color: var(--muted); font-weight: 600; cursor: pointer; white-space: nowrap;
}
.tab::after { content: ""; position: absolute; inset: auto 12px 0; height: 2px; background: var(--gold-bg); transform: scaleX(0); transition: transform 240ms cubic-bezier(.22,1,.36,1); }
.tab:hover { color: var(--ink); }
.tab[aria-selected="true"] { color: var(--gold); }
.tab[aria-selected="true"]::after { transform: scaleX(1); }
.tab:focus-visible { outline-offset: -4px; }

/* ---------- Panel ---------- */

.panel {
  margin-top: 22px; padding: 24px; min-width: 0;
  background: var(--surface); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow);
}

.toolbar { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.search { position: relative; flex: 1 1 320px; min-width: 0; max-width: 580px; }
.search svg {
  position: absolute; left: 12px; top: 50%; width: 17px; height: 17px; transform: translateY(-50%);
  fill: none; stroke: var(--muted); stroke-width: 2; stroke-linecap: round;
}
.search input {
  width: 100%; min-height: 44px; padding: 10px 12px 10px 38px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--paper);
}
.search input:focus { outline: none; border-color: var(--gold-bg); box-shadow: 0 0 0 3px var(--gold-soft); }
.toolbar-actions { display: flex; flex-wrap: wrap; gap: 8px; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 8px 13px;
  border: 1px solid var(--line); border-radius: 9px; background: var(--surface);
  font-size: .82rem; font-weight: 600; cursor: pointer;
}
.btn:hover { border-color: var(--gold-bg); }
.btn:disabled { opacity: 0.6; cursor: progress; }
.btn-accent { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-accent:hover { background: var(--ink-soft); }
.spinner {
  display: none; width: 13px; height: 13px; border: 2px solid currentColor; border-right-color: transparent;
  border-radius: 50%; animation: spin 0.8s linear infinite;
}
.btn.is-loading .spinner { display: inline-block; }
@keyframes spin { to { transform: rotate(360deg); } }

.filter-panel { margin-top: 20px; border-block: 1px solid var(--line); }
.filter-panel summary { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 48px; padding-block: 10px; font-size: .82rem; font-weight: 600; color: var(--ink-soft); cursor: pointer; list-style: none; }
.filter-panel summary::-webkit-details-marker { display: none; }
#filter-count { margin-left: 10px; font-size: .75rem; font-weight: 400; color: var(--muted); }
.filter-chevron { color: var(--gold); transition: transform var(--motion-fast) ease; }
.filter-panel[open] .filter-chevron { transform: rotate(180deg); }
.filters {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px;
  padding: 0 0 18px;
}
.filters label { display: grid; gap: 6px; min-width: 0; font-size: .76rem; font-weight: 500; color: var(--muted); }
.filters select {
  width: 100%; min-width: 0; min-height: 40px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface);
  color: var(--ink); font-size: .85rem;
}
.filters .check { display: flex; align-items: center; gap: 8px; align-self: end; padding-bottom: 8px; color: var(--ink-soft); font-size: 0.88rem; }
.filters .check input { width: 16px; height: 16px; accent-color: var(--gold-bg); }
.active-filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; }
.filter-chip { display: inline-flex; align-items: center; gap: 10px; min-width: 0; max-width: 100%; min-height: 32px; border: 1px solid var(--line); border-radius: 7px; padding: 5px 10px; background: var(--gold-soft); color: var(--gold); font-size: .76rem; cursor: pointer; }
.filter-chip > span:first-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.filter-chip > span:last-child { flex-shrink: 0; font-size: 1rem; }
.filter-chip:hover { border-color: var(--gold-bg); }
.mobile-sort { display: none; }

.data-status {
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: 4px 16px;
  margin: 18px 2px 12px; font-size: .76rem; color: var(--muted);
}
.data-status p { margin: 0; }
#result-count { color: var(--ink-soft); font-weight: 600; font-variant-numeric: tabular-nums; }

/* ---------- Table ---------- */

.table-wrap { position: relative; overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
.data-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
.data-table th, .data-table td { padding: 14px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
.data-table thead th {
  position: sticky; top: 0; z-index: 1;
  background: var(--surface-2); color: var(--ink-soft); font-size: 0.8rem; font-weight: 700; white-space: nowrap;
}
.data-table tbody tr:last-child td { border-bottom: 0; }
.data-table tbody td { transition: background-color var(--motion-fast) ease; }
.data-table tbody tr:focus-within td { background: var(--gold-soft); }
@media (hover: hover) and (pointer: fine) { .data-table tbody tr:hover td { background: var(--gold-soft); } }
.sort-btn {
  display: inline-flex; align-items: center; gap: 4px; padding: 0; border: 0; background: none;
  font: inherit; color: inherit; cursor: pointer;
}
.sort-btn::after { content: "↕"; opacity: 0.4; font-size: 0.85em; }
th[aria-sort="ascending"] .sort-btn::after { content: "↑"; opacity: 1; color: var(--gold); }
th[aria-sort="descending"] .sort-btn::after { content: "↓"; opacity: 1; color: var(--gold); }

.cell-title { font-weight: 700; white-space: nowrap; }
.cell-title a { color: var(--ink); text-decoration: none; }
.cell-title a:hover { color: var(--gold); text-decoration: underline; }
.cell-full { min-width: 260px; color: var(--ink-soft); }
.cell-field { min-width: 112px; }
.cell-value { min-width: 0; }
.cell-sub { display: block; margin-top: 2px; color: var(--muted); font-size: 0.8rem; }
.cell-nowrap { white-space: nowrap; }
.mono { font-family: var(--mono); font-size: 0.82rem; }
.muted { color: var(--muted); }

.rank {
  display: inline-block; min-width: 26px; padding: 1px 7px; border-radius: 6px;
  font-size: 0.78rem; font-weight: 800; text-align: center; border: 1px solid currentColor;
}
.rank-A { color: var(--rank-a); }
.rank-B { color: var(--rank-b); }
.rank-C { color: var(--rank-c); }
.rank-N { color: var(--muted); font-weight: 600; }

.tag {
  display: inline-block; margin: 0 4px 2px 0; padding: 1px 7px; border-radius: 6px;
  background: var(--surface-2); font-size: 0.78rem; font-weight: 600; white-space: nowrap;
}
.tag-top { background: var(--gold-soft); color: var(--gold); }
.tag-warn { background: color-mix(in srgb, var(--red) 14%, transparent); color: var(--red); }

.deadline { white-space: nowrap; font-variant-numeric: tabular-nums; }
.deadline time { font-weight: 700; }
.deadline .cell-sub { max-width: 34ch; white-space: normal; }
.countdown { display: block; font-size: 0.8rem; font-weight: 600; }
.status-urgent .countdown, .status-urgent time { color: var(--red); }
.status-warning .countdown { color: var(--orange); }
.status-normal .countdown { color: var(--green); }
.status-passed time { color: var(--muted); text-decoration: line-through; font-weight: 500; }
.status-passed .countdown { color: var(--muted); }

.row-btn {
  min-height: 32px; padding: 4px 10px; border: 1px solid var(--line); border-radius: 7px; background: none;
  font-size: 0.78rem; cursor: pointer; white-space: nowrap;
}
.row-btn:hover { border-color: var(--gold-bg); color: var(--gold); }
.row-actions { display: flex; flex-wrap: wrap; gap: 6px; min-width: 72px; }
.favorite-btn[aria-pressed="true"] { border-color: var(--gold-bg); background: var(--gold-soft); color: var(--gold); }
.favorites-option { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-top: 16px; font-size: .8rem; color: var(--ink-soft); cursor: pointer; }
.favorites-option input { width: 16px; height: 16px; accent-color: var(--gold-bg); }
.favorites-option small { color: var(--muted); margin-left: auto; font-size: .72rem; }
#favorites-count { font-variant-numeric: tabular-nums; color: var(--gold); }

.empty, .loading { margin: 0; padding: 40px 16px; text-align: center; color: var(--muted); }
.empty p { margin: 0 0 16px; }

.pagination { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; margin-top: 16px; }
.pagination button {
  min-width: 36px; padding: 5px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--surface); cursor: pointer; font-variant-numeric: tabular-nums;
}
.pagination button[aria-current="page"] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.pagination button:disabled { opacity: 0.4; cursor: default; }
.pagination .gap { padding: 5px 2px; color: var(--muted); }

/* ---------- Time zone tool ---------- */

.tool { margin: 28px 0; padding: 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); }
.tool-head h2 { margin: 0 0 4px; font-size: 1.1rem; }
.tool-head p { margin: 0 0 14px; color: var(--muted); font-size: 0.88rem; }
.tz-form { display: flex; flex-wrap: wrap; align-items: end; gap: 12px; }
.tz-form label { display: grid; gap: 4px; font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.tz-form input, .tz-form select {
  padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--paper); color: var(--ink);
}
.tz-result {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 8px;
  margin: 14px 0 0; padding: 0; list-style: none;
}
.tz-result li {
  display: flex; justify-content: space-between; gap: 8px; padding: 8px 12px;
  border: 1px solid var(--line); border-radius: 10px; font-size: 0.88rem;
}
.tz-result li.is-source { border-color: var(--gold-bg); background: var(--gold-soft); }
.tz-result strong { font-variant-numeric: tabular-nums; }

/* ---------- Footer & toast ---------- */

.site-footer { padding: 8px 0 32px; color: var(--muted); font-size: 0.82rem; }
.site-footer p { margin: 4px 0; }

.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 30; transform: translate(-50%, 20px);
  padding: 9px 16px; border-radius: 10px; background: var(--ink); color: var(--paper);
  width: max-content; max-width: calc(100% - 32px); font-size: .82rem; opacity: 0; pointer-events: none; transition: opacity .18s ease, transform .18s ease;
}
.toast.is-visible { opacity: 1; transform: translate(-50%, 0); }

/* ---------- Mobile: rows become cards ---------- */

@media (max-width: 760px) {
  .wrap { width: calc(100% - 28px); }
  .header-actions { gap: 12px; }
  .hero { padding: 30px 0 22px; }
  .hero h1 { font-size: clamp(1.35rem, 5.5vw, 1.7rem); line-height: 1.6; margin-bottom: 12px; }
  .hero-sub { font-size: .82rem; }
  .tabs { gap: 0; }
  .tab { padding: 12px 10px; font-size: .85rem; }
  .tab::after { inset-inline: 8px; }
  .panel { margin-top: 16px; padding: 14px; }
  .search { flex-basis: 100%; max-width: none; }
  .search input { font-size: 16px; }
  .toolbar-actions { width: 100%; gap: 6px; }
  .toolbar-actions .btn { flex: 1; padding-inline: 8px; font-size: .75rem; white-space: nowrap; }
  .btn, .row-btn, .filter-chip { min-height: 44px; }
  .filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .filters select { min-height: 44px; }
  .filters .check { grid-column: 1 / -1; min-height: 40px; padding: 0; }
  .data-status { display: grid; gap: 6px; margin-bottom: 12px; }
  .mobile-sort { display: flex; align-items: center; gap: 12px; margin-bottom: 14px; font-size: .78rem; color: var(--muted); }
  .mobile-sort select { min-width: 0; flex: 1; min-height: 44px; padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface); color: var(--ink); font-size: .82rem; }
  .table-wrap { border: 0; overflow: visible; }
  .data-table thead { display: none; }
  .data-table, .data-table tbody, .data-table tr, .data-table td { display: block; width: 100%; }
  .data-table tr { margin-bottom: 12px; padding: 14px; border: 1px solid var(--line); border-radius: 12px; }
  .data-table td { display: grid; grid-template-columns: 60px minmax(0, 1fr); gap: 8px; padding: 6px 0; border: 0; overflow-wrap: anywhere; }
  .data-table td::before { content: attr(data-label); color: var(--muted); font-size: 0.78rem; font-weight: 600; }
  .data-table tbody tr:is(:hover,:focus-within) td { background: none; }
  .cell-full { min-width: 0; }
  .cell-field { min-width: 0; }
  .cell-title { white-space: normal; }
  .data-table td:is(.cell-title,.cell-full) { display: block; }
  .data-table td.cell-title { font-size: 1rem; }
  .data-table td:is(.cell-title,.cell-full)::before { display: none; }
  .data-table td[data-label=""] { display: flex; justify-content: flex-end; border-top: 1px solid var(--line); padding-top: 12px; margin-top: 6px; }
  .deadline { white-space: normal; }
  .deadline time { display: block; }
  .rank { justify-self: start; }
  .tag { width: fit-content; max-width: 100%; }
  .tz-form { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); }
  .tz-form label { min-width: 0; }
  .tz-form input, .tz-form select { width: 100%; min-width: 0; min-height: 44px; }
  .tz-result { grid-template-columns: 1fr; }
  .tz-result li { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}