/* Direction: 描红作业本的教务处 — 封面青绿、朱砂点选、毛边纸表 */
:root {
  --paper: #f3dba8;
  --sheet: #fff8e6;
  --ink: #1c120c;
  --cinnabar: #c81d25;
  --cloth: #1e4d45;
  --line: #d9b57a;
  --muted: #6d5340;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "YouYuan", "幼圆", "Microsoft YaHei", sans-serif;
  background: linear-gradient(#f6e3b4, var(--paper));
  color: var(--ink);
}
[x-cloak] { display: none !important; }
.login {
  max-width: 360px; margin: 12vh auto; background: var(--sheet);
  padding: 32px; border: 1px solid var(--ink); border-left: 6px solid var(--cinnabar);
}
.login input, .login button { width: 100%; margin: 8px 0; padding: 12px; font-size: 16px; border: 1px solid var(--line); background: #fffdf6; }
.login button { background: var(--cinnabar); color: #fff8e6; border-color: var(--cinnabar); font-weight: 700; }
.err { color: var(--cinnabar); }
.hint { color: var(--muted); font-size: 13px; }
.shell { display: grid; grid-template-columns: 200px 1fr; min-height: 100vh; }
aside {
  background: var(--cloth); color: #e7f2ee; padding: 16px 12px;
  display: flex; flex-direction: column; gap: 6px;
}
.logo { font-weight: 800; padding: 8px 10px 16px; letter-spacing: .16em; }
aside button, aside a {
  display: block; text-align: left; background: transparent; color: #d7e8e2; border: 0;
  padding: 10px 12px; text-decoration: none; font-size: 15px; cursor: pointer;
}
aside button.on, aside button:hover, aside a:hover { background: rgba(255,248,230,.12); color: #fff; box-shadow: inset 3px 0 0 var(--cinnabar); }
aside .out { margin-top: auto; color: #f6c2b8; }
main { padding: 24px 28px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.cards div { background: var(--sheet); border: 1px solid var(--line); padding: 16px; }
.cards b { font-size: 28px; display: block; color: var(--cinnabar); }
.cards span { color: var(--muted); }
.grade-table { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.grade-table button { background: var(--sheet); border: 1px solid var(--line); padding: 12px; cursor: pointer; }
.grade-table b { display: block; font-size: 22px; color: var(--cinnabar); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 12px 0; }
.chips button { border: 1px solid var(--line); background: var(--sheet); padding: 6px 12px; }
.chips button.on { background: var(--cinnabar); color: #fff8e6; border-color: var(--cinnabar); }
table { width: 100%; border-collapse: collapse; background: var(--sheet); }
th, td { padding: 10px 12px; border-bottom: 1px solid var(--line); text-align: left; }
.hanzi-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.hz { background: var(--sheet); border: 1px solid var(--line); padding: 8px 10px; min-width: 64px; text-align: center; }
.hz b { display: block; font-size: 28px; font-family: "KaiTi", "STKaiti", serif; }
.hz i { font-style: normal; color: var(--cinnabar); font-size: 12px; }
.pending button { margin: 4px 2px 0; }
.panel { background: var(--sheet); padding: 16px; border: 1px solid var(--line); margin: 12px 0; max-width: 560px; }
.panel input, .panel select, .panel button { width: 100%; margin: 6px 0; padding: 10px; border: 1px solid var(--line); }
.panel button { background: var(--cinnabar); color: #fff8e6; border-color: var(--cinnabar); font-weight: 700; }
.panel.inline { display: grid; grid-template-columns: 80px 1fr 90px 1fr auto; gap: 8px; max-width: none; align-items: center; }
.panel.inline input, .panel.inline select, .panel.inline button { width: auto; margin: 0; }
.row { display: flex; align-items: center; gap: 8px; }
.pager { display: flex; align-items: center; gap: 12px; margin: 16px 0 8px; flex-wrap: wrap; }
.pager button { border: 1px solid var(--line); background: var(--sheet); padding: 8px 14px; cursor: pointer; }
.pager button:disabled { opacity: .45; cursor: default; }
.pager span { color: var(--muted); }
@media (max-width: 800px) {
  .shell { grid-template-columns: 1fr; }
  .cards, .grade-table { grid-template-columns: 1fr 1fr; }
}