:root {
  --green: #1e7a4c;
  --green-dark: #145c39;
  --green-soft: #eaf4ec;
  --green-line: #cfe4d5;
  --ink: #1a1a1a;
  --muted: #666;
  --paper: #f7f3ec;
  --yellow: #ffc531;
  --dark: #161616;
  --border: #e3e3e3;
  --card: #fff;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  color: var(--ink);
  background: #f4f8f5;
  line-height: 1.6;
}
a { color: var(--green); }
h1 { font-size: 22px; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 24px 0 8px; }
h3 { font-size: 16px; margin: 16px 0 6px; }
p { margin: 6px 0; }
.muted { color: var(--muted); font-size: 14px; }
.small { font-size: 13px; color: var(--muted); }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px; flex-shrink: 0;
  background: #fff; border-right: 1px solid var(--border);
  padding: 20px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { font-size: 20px; font-weight: 900; color: var(--green-dark); }
.brand small { display: block; font-size: 12px; font-weight: 400; color: var(--muted); letter-spacing: 2px; }
.nav-group { margin-top: 22px; font-size: 12px; color: var(--muted); letter-spacing: 2px; }
.nav-group + a, .nav a { display: block; padding: 8px 10px; border-radius: 8px; color: #333; text-decoration: none; font-size: 15px; }
.nav a:hover { background: var(--green-soft); }
.nav a.active { background: var(--green-soft); color: var(--green-dark); font-weight: 700; }
.main { flex: 1; padding: 28px 32px; max-width: 1080px; }
.page-head { margin-bottom: 18px; }
.badge {
  display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 999px;
  background: var(--green-soft); color: var(--green-dark); border: 1px solid var(--green-line);
  margin-right: 6px; vertical-align: middle;
}
.badge.warn { background: #fff7e0; color: #8a6d00; border-color: #f0d98c; }
.badge.free { background: #e7f6ec; color: var(--green-dark); border-color: var(--green-line); }
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px 20px; margin: 14px 0;
}
.toolbar { display: flex; flex-wrap: wrap; gap: 10px; margin: 14px 0; align-items: center; }
.toolbar input[type="search"], .toolbar select, .field input, .field textarea, .field select {
  font-family: inherit; font-size: 15px; padding: 9px 12px;
  border: 1px solid var(--border); border-radius: 8px; background: #fff;
}
.toolbar input[type="search"] { flex: 1; min-width: 200px; }
.chip {
  border: 1px solid var(--border); background: #fff; border-radius: 999px;
  padding: 6px 14px; font-size: 14px; cursor: pointer; font-family: inherit;
}
.chip.active { background: var(--green); color: #fff; border-color: var(--green); }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: 13px; }
.num { font-weight: 800; color: var(--green-dark); }
.btn {
  font-family: inherit; font-size: 15px; padding: 10px 18px; border-radius: 8px;
  border: none; background: var(--green); color: #fff; cursor: pointer;
}
.btn:hover { background: var(--green-dark); }
.btn.secondary { background: #fff; color: var(--green-dark); border: 1px solid var(--green); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.field { margin: 12px 0; }
.field label { display: block; font-weight: 700; margin-bottom: 6px; font-size: 14px; }
.field textarea, .field input { width: 100%; }
.field textarea { min-height: 180px; line-height: 1.7; resize: vertical; }
.steps { counter-reset: s; padding-left: 0; list-style: none; }
.steps li { counter-increment: s; padding: 10px 0 10px 44px; position: relative; border-bottom: 1px solid var(--border); }
.steps li::before {
  content: counter(s, decimal-leading-zero);
  position: absolute; left: 0; top: 10px;
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--green-soft); color: var(--green-dark);
  display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 13px;
}
.status { font-size: 14px; }
.status b { color: var(--green-dark); }
.notice {
  background: #fff7e0; border: 1px solid #f0d98c; border-radius: 8px;
  padding: 10px 14px; font-size: 14px; margin: 12px 0;
}
.sticker-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 18px; margin-top: 16px; }
.sticker-card { background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px; }
.sticker-card canvas { width: 100%; height: auto; display: block; border-radius: 6px; aspect-ratio: 3 / 4; }
.sticker-card .cap { font-size: 13px; color: var(--muted); margin: 8px 0 6px; }
.sticker-card .btn { padding: 6px 12px; font-size: 13px; }
.empty { color: var(--muted); padding: 24px 0; }
footer.app-foot { margin-top: 40px; padding-top: 16px; border-top: 1px solid var(--border); font-size: 13px; color: var(--muted); }
@media (max-width: 760px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; padding: 14px; }
  .nav a { display: inline-block; margin: 2px 4px 2px 0; }
  .main { padding: 18px 16px; }
}