:root {
  --green: #1F6F55;
  --green-dark: #0F3E2F;
  --green-soft: #2E8B6E;
  --mint: #E8F5EE;
  --mint-2: #EDF6F0;
  --cream: #F1E7C6;
  --cream-2: #FFF6DF;
  --ink: #14231D;
  --ink-2: #52665C;
  --ink-3: #5E7268;
  --line: #D9E7DD;
  --card: #FFFFFF;
  --page: #F3F8F4;
  --danger: #B23A2A;
  --danger-soft: #FBEDEA;
  --amber: #8A6A2F;
  --amber-soft: #FBF4E2;
  --shadow: 0 10px 30px rgba(20, 53, 41, .07);
  --radius: 16px;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --green: #8AD6A6;
    --green-dark: #0B1F17;
    --green-soft: #6FC39C;
    --mint: #1E382D;
    --mint-2: #15231C;
    --cream: #F1E7C6;
    --cream-2: #FFF6DF;
    --ink: #EAF3EC;
    --ink-2: #B4C7BA;
    --ink-3: #8FA397;
    --line: #2A3E33;
    --card: #15231C;
    --page: #0C1511;
    --danger: #FF8A73;
    --danger-soft: #3A1E19;
    --amber: #E8C77A;
    --amber-soft: #33290F;
    --shadow: 0 10px 30px rgba(0, 0, 0, .35);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: 14px/1.6 -apple-system, BlinkMacSystemFont, "HarmonyOS Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
a { color: var(--green); }
code {
  background: var(--mint);
  color: var(--green);
  padding: 1px 5px;
  border-radius: 5px;
  font-size: 12px;
}

/* ==================== 登录 ==================== */
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(900px 500px at 12% 0%, rgba(31, 111, 85, .16), transparent 60%),
    radial-gradient(700px 500px at 100% 100%, rgba(241, 231, 198, .5), transparent 55%),
    var(--mint-2);
}
.login-card {
  width: 100%;
  max-width: 410px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 36px 32px 26px;
  text-align: center;
}
.brand-mark { display: flex; justify-content: center; }
.login-card h1 { margin: 14px 0 4px; font-size: 25px; letter-spacing: .5px; }
.login-sub { margin: 0 0 24px; font-size: 11px; letter-spacing: 2px; color: var(--green); }
.login-card form { text-align: left; display: grid; gap: 14px; }
.login-card label { display: grid; gap: 6px; font-size: 12px; color: var(--ink-2); }
.login-card input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0 13px;
  color: var(--ink);
  background: var(--page);
  outline: none;
}
.login-card input:focus { border-color: var(--green); box-shadow: 0 0 0 3px rgba(31, 111, 85, .12); }
.login-error { min-height: 18px; color: var(--danger); font-size: 12px; }
.login-foot { margin: 20px 0 0; font-size: 11px; color: var(--ink-3); line-height: 1.7; }

/* ==================== 布局 ==================== */
.app { min-height: 100vh; display: flex; }
.sidebar {
  width: 218px;
  flex: 0 0 218px;
  background: var(--green-dark);
  color: var(--cream-2);
  padding: 22px 14px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.side-brand { display: flex; align-items: center; gap: 10px; padding: 3px 8px 22px; }
.side-mark {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: var(--green);
  color: var(--cream);
  font-size: 20px;
}
.side-brand strong { display: block; font-size: 14px; }
.side-brand small { display: block; font-size: 9px; letter-spacing: 1.5px; opacity: .62; }
#nav { display: grid; gap: 4px; }
.nav-item {
  display: flex; align-items: center; justify-content: space-between;
  width: 100%; border: 0; background: transparent;
  color: rgba(255, 246, 223, .72);
  padding: 10px 12px; border-radius: 11px; text-align: left;
}
.nav-item span { font-size: 14px; }
.nav-item em { font-style: normal; font-size: 9px; opacity: .55; letter-spacing: .6px; }
.nav-item:hover { background: rgba(255, 255, 255, .07); color: var(--cream-2); }
.nav-item.active { background: var(--green); color: var(--cream-2); }
.side-foot { margin-top: auto; padding: 14px 8px 4px; border-top: 1px solid rgba(255,255,255,.12); display: grid; gap: 10px; }
.side-foot .link-btn { text-align: left; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 84px; flex: 0 0 84px;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--page) 82%, transparent);
  backdrop-filter: blur(12px);
  position: sticky; top: 0; z-index: 5;
}
.topbar h2 { margin: 0; font-size: 21px; }
.topbar p { margin: 3px 0 0; color: var(--ink-3); font-size: 12px; }
.topbar-right { display: flex; align-items: center; gap: 10px; }
.admin-name { color: var(--ink-2); font-size: 12px; }
.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--green); color: var(--cream-2); font-size: 13px;
}
.content { padding: 24px 28px 40px; }

/* ==================== 通用 ==================== */
.btn {
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink);
  border-radius: 10px;
  padding: 8px 13px;
  font-size: 13px;
}
.btn:hover { border-color: var(--green); }
.btn-primary { background: var(--green); border-color: var(--green); color: var(--cream-2); }
.btn-primary:hover { filter: brightness(.96); }
.btn-danger { background: var(--danger-soft); border-color: transparent; color: var(--danger); }
.btn-ghost { background: transparent; }
.btn-block { width: 100%; height: 44px; border-radius: 12px; font-size: 14px; }
.btn-sm { padding: 5px 9px; font-size: 12px; border-radius: 8px; }
.link-btn { background: none; border: 0; padding: 0; color: rgba(255,246,223,.72); font-size: 12px; }
.link-btn:hover { color: var(--cream-2); }
.icon-btn { background: none; border: 0; color: var(--ink-2); font-size: 24px; line-height: 1; padding: 2px 8px; }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 2px 8px; border-radius: 999px;
  font-size: 11px; white-space: nowrap;
}
.badge-mint { background: var(--mint); color: var(--green); }
.badge-green { background: var(--green); color: var(--cream-2); }
.badge-amber { background: var(--amber-soft); color: var(--amber); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-muted { background: var(--page); color: var(--ink-3); border: 1px solid var(--line); }

/* ==================== 卡片 / 统计 ==================== */
.stat-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; }
.stat-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 18px; box-shadow: var(--shadow);
}
.stat-label { color: var(--ink-3); font-size: 12px; }
.stat-value { margin-top: 6px; font-size: 27px; font-weight: 700; letter-spacing: -.4px; }
.stat-hint { margin-top: 2px; color: var(--ink-3); font-size: 11px; }

.panel {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  box-shadow: var(--shadow); margin-top: 18px; overflow: hidden;
}
.panel-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 12px;
  padding: 16px 18px; border-bottom: 1px solid var(--line);
}
.panel-title { margin: 0; font-size: 15px; }
.panel-sub { margin: 3px 0 0; color: var(--ink-3); font-size: 12px; }
.panel-body { padding: 18px; }
.panel-body.no-pad { padding: 0; }

/* ==================== 表格 ==================== */
.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { font-size: 11px; font-weight: 600; color: var(--ink-3); background: var(--mint-2); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td { font-size: 13px; }
.table-empty { padding: 40px 16px; text-align: center; color: var(--ink-3); }
.muted { color: var(--ink-3); }
.small { font-size: 11px; }
.nowrap { white-space: nowrap; }
.truncate { max-width: 420px; overflow: hidden; text-overflow: ellipsis; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.author { display: flex; align-items: center; gap: 9px; min-width: 140px; }
.avatar-sm {
  width: 28px; height: 28px; border-radius: 50%;
  display: grid; place-items: center; flex: 0 0 28px;
  background: var(--mint); color: var(--green); font-size: 11px; font-weight: 600;
}
.thumb { width: 54px; height: 40px; object-fit: cover; border-radius: 7px; border: 1px solid var(--line); display: block; }
.actions { display: flex; gap: 6px; flex-wrap: wrap; }
.tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 5px; }
.tag { font-size: 10px; color: var(--ink-3); background: var(--page); border: 1px solid var(--line); border-radius: 999px; padding: 1px 7px; }

/* ==================== 工具栏 / 分页 ==================== */
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; padding: 14px 18px; border-bottom: 1px solid var(--line); }
.toolbar .field { display: flex; align-items: center; gap: 6px; color: var(--ink-3); font-size: 12px; }
.input, .select {
  height: 34px; border: 1px solid var(--line); border-radius: 9px;
  background: var(--page); color: var(--ink); padding: 0 10px; outline: none;
}
.input:focus, .select:focus { border-color: var(--green); }
.input.wide { min-width: 220px; }
.pagination { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 18px; border-top: 1px solid var(--line); }
.page-info { color: var(--ink-3); font-size: 12px; }
.page-btns { display: flex; gap: 6px; }
.page-btns .btn:disabled { opacity: .4; cursor: not-allowed; }

/* ==================== 空状态 / toast / modal ==================== */
.empty { padding: 46px 10px; text-align: center; color: var(--ink-3); }
.empty strong { display: block; color: var(--ink); margin-bottom: 4px; }
.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  background: var(--green-dark); color: var(--cream-2);
  padding: 11px 18px; border-radius: 12px; font-size: 13px;
  box-shadow: var(--shadow); z-index: 40; max-width: min(90vw, 520px);
}
.toast.err { background: var(--danger); }
.modal { position: fixed; inset: 0; background: rgba(5, 15, 11, .52); display: grid; place-items: center; padding: 20px; z-index: 30; }
.modal-card { width: min(680px, 100%); max-height: 86vh; overflow: auto; background: var(--card); border-radius: 18px; border: 1px solid var(--line); box-shadow: var(--shadow); }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 18px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--card); }
.modal-head h3 { margin: 0; font-size: 16px; }
.modal-body { padding: 18px; }
.modal-body h4 { margin: 18px 0 8px; font-size: 13px; }
.modal-body p { margin: 0 0 10px; }
.modal-img { width: 100%; max-height: 420px; object-fit: contain; border-radius: 12px; background: var(--page); border: 1px solid var(--line); margin-top: 8px; }
.kv { display: grid; grid-template-columns: 92px 1fr; gap: 6px 12px; font-size: 13px; }
.kv dt { color: var(--ink-3); }
.kv dd { margin: 0; }

/* ==================== 响应式 ==================== */
@media (max-width: 1080px) {
  .stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 760px) {
  .app { display: block; }
  .sidebar { position: static; width: auto; height: auto; padding: 14px; }
  .side-brand { padding-bottom: 12px; }
  #nav { display: flex; overflow-x: auto; gap: 6px; padding-bottom: 4px; }
  .nav-item { width: auto; flex: 0 0 auto; }
  .nav-item em { display: none; }
  .side-foot { display: flex; justify-content: space-between; align-items: center; margin-top: 10px; padding-top: 10px; }
  .topbar { height: auto; flex-basis: auto; padding: 16px 18px; position: static; }
  .content { padding: 16px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .truncate { max-width: 240px; }
}