/* 沿用一道的取向：暖棕、宋体、沉静。深色模式跟随系统。 */
:root {
  --bg: #faf8f4; --fg: #2e2a25; --dim: #8a8177; --line: #e3ddd3;
  --accent: #7a5c3e; --card: #fff; --warn: #a33;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1f1c19; --fg: #e8e2d8; --dim: #9a9188; --line: #3a352f;
    --accent: #c9a87c; --card: #262220; --warn: #d98b8b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: "Songti SC", "SimSun", "STSong", Georgia, serif;
  font-size: 16px; line-height: 1.75;
}
main { max-width: 46rem; margin: 0 auto; padding: 1.6rem 1.1rem 4rem; }

h1 { font-size: 1.6rem; margin: .2rem 0 .3rem; color: var(--accent); letter-spacing: .1em; }
.lead { margin: 0 0 1.6rem; color: var(--dim); font-size: .95rem; }

.fld { margin-bottom: 1.5rem; }
.k { display: block; font-size: .82rem; color: var(--dim); margin-bottom: .35rem; letter-spacing: .05em; }
input[type=text], input[type=search] {
  width: 100%; padding: .5rem .7rem; font: inherit; font-size: .95rem;
  color: var(--fg); background: var(--card);
  border: 1px solid var(--line); border-radius: 3px;
}
input:focus { outline: none; border-color: var(--accent); }
.opts { display: flex; flex-wrap: wrap; gap: .5rem 1.1rem; margin-top: .4rem; }
.opts label { font-size: .93rem; cursor: pointer; }
.hint { margin: .4rem 0 0; font-size: .8rem; color: var(--dim); line-height: 1.6; }

.chips { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .6rem; max-height: 13rem; overflow-y: auto; }
.chip {
  font: inherit; font-size: .85rem; padding: .2rem .55rem; cursor: pointer;
  color: var(--fg); background: var(--card);
  border: 1px solid var(--line); border-radius: 999px;
}
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent); border-color: var(--accent); color: #faf8f4; }
.chip.on .dim { color: #f0e6d8; }
.dim { color: var(--dim); font-size: .85em; }

.grp { font-size: 1rem; color: var(--accent); margin: 2.2rem 0 .2rem;
       border-top: 1px solid var(--line); padding-top: 1rem; }
.grp .cnt { float: right; font-size: .78rem; color: var(--dim); font-weight: normal; }
.grphint { margin: 0 0 .8rem; font-size: .82rem; color: var(--dim); }
.hd { font-size: .88rem; color: var(--dim); margin: 1.4rem 0 .5rem; font-weight: normal; }

.cand { padding: .7rem 0; border-bottom: 1px solid var(--line); }
.cand .nm { font-size: 1.15rem; }
.cand .alt { font-size: .82rem; color: var(--dim); margin-top: .1rem; }
.cand .pl { margin-top: .25rem; font-size: .97rem; letter-spacing: .01em; }
.cand .gl { margin-top: .15rem; font-size: .85rem; color: var(--dim); }
.cand .note { margin-top: .2rem; font-size: .8rem; color: var(--dim); }
.cand .warn { margin-top: .2rem; font-size: .82rem; color: var(--warn); }
.cand .src { margin-top: .2rem; font-size: .75rem; color: var(--dim); }

.rest > summary { cursor: pointer; color: var(--dim); font-size: .9rem;
                  margin-top: 2.2rem; border-top: 1px solid var(--line); padding-top: 1rem; }
.err { color: var(--warn); border-left: 3px solid var(--warn); padding: .6rem .9rem; }

#shuoming { margin-top: 3.5rem; border-top: 1px solid var(--line); padding-top: 1.5rem; }
#shuoming h2 { font-size: 1.05rem; color: var(--accent); }
#shuoming h3 { font-size: .95rem; margin: 1.5rem 0 .3rem; }
#shuoming p { font-size: .92rem; }
#shuoming .eg { padding: .4rem .8rem; background: var(--card);
                border-left: 2px solid var(--accent); border-radius: 2px; }
#shuoming i { font-style: italic; }
.draft { color: var(--warn); font-size: .85rem !important; }

footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid var(--line);
         font-size: .78rem; color: var(--dim); text-align: center; }

/* ── 登录页 ──────────────────────────────────────────────
   作者要「好看一点、现代一点点」。分寸：留白、圆角、柔和的阴影和过渡，
   但**不往冷色和科技感走**——底色仍是暖的，标题仍是宋体。 */
.login-page {
  min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(120% 90% at 50% -10%, #fffdf9 0%, transparent 60%),
    linear-gradient(#f7f3ec, #efe8dd);
}
@media (prefers-color-scheme: dark) {
  .login-page {
    background:
      radial-gradient(120% 90% at 50% -10%, #2a2521 0%, transparent 60%),
      linear-gradient(#1f1c19, #17150f);
  }
}

.login { width: 100%; max-width: 22.5rem; margin: 0; }

.login .card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 3rem 2.2rem 2.4rem;
  text-align: center;
  box-shadow: 0 1px 2px rgba(60, 45, 30, .04), 0 12px 40px -12px rgba(60, 45, 30, .16);
}
@media (prefers-color-scheme: dark) {
  .login .card { box-shadow: 0 12px 40px -12px rgba(0, 0, 0, .55); }
}

.login h1 {
  margin: 0;
  font-size: 2.4rem; font-weight: normal; color: var(--accent);
  /* 字距拉开更沉静；末字右边会多出一个字距，用 padding-left 补回来才居中 */
  letter-spacing: .38em; padding-left: .38em;
}
.login .rule {
  width: 2.2rem; height: 1px; margin: 1.1rem auto .9rem;
  background: linear-gradient(90deg, transparent, var(--accent), transparent);
  opacity: .5;
}
.login .sub {
  margin: 0 0 2rem; font-size: .82rem; color: var(--dim);
  letter-spacing: .16em; padding-left: .16em;
}

.login input {
  width: 100%; height: 3rem; padding: 0 1rem; margin-bottom: .8rem;
  font: inherit; font-size: 1rem; text-align: center; letter-spacing: .1em;
  color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 10px;
  transition: border-color .18s ease, box-shadow .18s ease, background .18s ease;
}
.login input::placeholder { color: var(--dim); letter-spacing: .16em; }
.login input:focus {
  outline: none; border-color: var(--accent); background: var(--card);
  box-shadow: 0 0 0 3px rgba(122, 92, 62, .13);
}
@media (prefers-color-scheme: dark) {
  .login input:focus { box-shadow: 0 0 0 3px rgba(201, 168, 124, .16); }
}

.login button {
  width: 100%; height: 3rem;
  font: inherit; font-size: 1rem; letter-spacing: .1em; cursor: pointer;
  color: #fbf8f3; background: var(--accent);
  border: 0; border-radius: 10px;
  transition: filter .18s ease, transform .12s ease, box-shadow .18s ease;
}
.login button:hover { filter: brightness(1.08); box-shadow: 0 6px 18px -8px rgba(122, 92, 62, .6); }
.login button:active { transform: translateY(1px); }
@media (prefers-color-scheme: dark) { .login button { color: #221e1a; } }

.login .bad {
  margin: 1rem 0 0; color: var(--warn); font-size: .85rem; letter-spacing: .05em;
}

/* 口令错了轻轻晃一下——比多一行红字更容易被看见 */
.login .card.shake { animation: shake .32s ease; }
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}
@media (prefers-reduced-motion: reduce) {
  .login .card.shake { animation: none; }
  .login input, .login button { transition: none; }
}

@media (max-width: 380px) {
  .login .card { padding: 2.4rem 1.5rem 2rem; }
  .login h1 { font-size: 2rem; }
}