:root {
  --paper: #edf0f5;
  --card: #f8f9fc;
  --ink: #1f2a5a;
  --ink-soft: #4a5480;
  --seal: #c3312a;
  --ginger: #d99a1e;
  --jade: #2d8a7e;
  --line: #cfd5e4;
  --serif: "STKaiti", "KaiTi", "Kaiti SC", "BiauKai", "Songti SC", "SimSun", serif;
  --sans: -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #161a2c;
    --card: #1e2338;
    --ink: #e4e7f3;
    --ink-soft: #a9b0cc;
    --seal: #e8574d;
    --ginger: #f0b640;
    --jade: #4fb7a9;
    --line: #313957;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.75 var(--sans);
}
a { color: inherit; }
:focus-visible { outline: 3px solid var(--ginger); outline-offset: 3px; }

.masthead, main, .foot { max-width: 960px; margin: 0 auto; padding: 0 20px; }
.masthead { padding-top: 56px; padding-bottom: 24px; }
.site-name {
  text-wrap: balance;
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  line-height: 1.05;
  margin: 0;
  letter-spacing: .08em;
}
.lede { max-width: 32em; color: var(--ink-soft); margin: 14px 0 0; font-size: 1.05rem; }

h2 { font-family: var(--serif); font-weight: 400; font-size: 1.75rem; margin: 0 0 8px; }
h3 { font-size: 1.05rem; margin: 0 0 4px; }

.today {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 40px;
  align-items: center;
  padding: 24px 0 56px;
}
.frame {
  position: relative;
  background: var(--card);
  padding: 18px;
  border: 1px solid var(--line);
  transform: rotate(-1.2deg);
}
#art { display: block; width: 100%; height: auto; aspect-ratio: 1; }
.seal {
  position: absolute;
  right: -10px; bottom: -12px;
  width: 58px; height: 58px;
  display: grid; place-items: center;
  background: var(--seal);
  color: #fff;
  font-family: var(--serif);
  font-size: 1.5rem;
  border-radius: 6px;
  transform: rotate(6deg);
  box-shadow: inset 0 0 0 3px rgba(255,255,255,.55);
}
.poem {
  font-family: var(--serif);
  font-size: clamp(1.4rem, 4vw, 1.9rem);
  line-height: 1.6;
  margin: 12px 0 22px;
  min-height: 3.2em;
}
.actions { display: flex; flex-wrap: wrap; gap: 12px; }
button {
  font: inherit;
  cursor: pointer;
  border: 2px solid var(--ink);
  background: var(--ink);
  color: var(--paper);
  padding: 8px 20px;
  border-radius: 999px;
  transition: transform .15s ease;
}
button:hover { transform: translateY(-2px); }
button:active { transform: translateY(1px); }
button.ghost { background: transparent; color: var(--ink); }
.hint { color: var(--ink-soft); font-size: .9rem; margin-top: 18px; }

.month { padding: 32px 0 48px; border-top: 1px dashed var(--line); }
.sub { color: var(--ink-soft); margin: 0 0 18px; }
.grid {
  list-style: none; margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(10, minmax(0, 1fr));
  gap: 8px;
}
.grid button {
  padding: 0; border: 2px solid transparent; border-radius: 4px;
  background: var(--card); width: 100%; display: block; position: relative;
}
.grid button[aria-pressed="true"] { border-color: var(--seal); }
.grid canvas { display: block; width: 100%; height: auto; aspect-ratio: 1; border-radius: 2px; }
.grid .d {
  position: absolute; left: 3px; top: 1px;
  font-size: .7rem; color: var(--ink); line-height: 1.4;
  background: var(--card); padding: 0 3px; border-radius: 3px;
}

.notes {
  padding: 32px 0 56px;
  border-top: 1px dashed var(--line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 28px;
}
.notes h2 { grid-column: 1 / -1; }
.notes p { margin: 0; color: var(--ink-soft); }
.notes h3 { border-left: 4px solid var(--jade); padding-left: 10px; }

.foot { border-top: 1px solid var(--line); padding-top: 20px; padding-bottom: 36px; color: var(--ink-soft); font-size: .9rem; }
.foot p { margin: 4px 0; }

@media (max-width: 760px) {
  .today { grid-template-columns: 1fr; gap: 28px; }
  .grid { grid-template-columns: repeat(6, minmax(0, 1fr)); }
  .notes { grid-template-columns: 1fr; }
  .masthead { padding-top: 36px; }
}
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}