/* ============================================================
   茂林镇小学成绩分析平台 · 界面样式
   基调：松墨绿 + 米白（与门户/班务视觉同源），独立域名自成一套
   ============================================================ */

:root {
  --pine-900: #274505;
  --pine-800: #33590b;
  --pine-700: #416d11;
  --pine-100: #e8efdc;
  --pine-050: #f2f7ea;
  --clay-800: #8a5a08;
  --clay-100: #fbf0d9;
  --cream: #f6f3ea;
  --paper: #fffdf8;
  --paper-2: #faf7ef;
  --text: #1e2419;
  --muted: #6b6a5e;
  --line: #e3ded0;
  --line-soft: #efeade;
  --ok: #1f6b34;
  --ok-bg: #e6f4e9;
  --warn: #8a5205;
  --warn-bg: #fbf0d9;
  --danger: #a8231c;
  --danger-bg: #fbe9e7;
  --info: #1d5f8f;
  --info-bg: #e7f1f8;
  --shadow: 0 1px 2px rgba(39, 69, 5, .05), 0 8px 24px rgba(39, 69, 5, .06);
  --shadow-lg: 0 12px 40px rgba(39, 69, 5, .14);
  --r-sm: 8px;
  --r-md: 12px;
  --r-lg: 18px;
  --side-w: 232px;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: var(--fs-md, 14px);
  line-height: var(--lh-base, 1.5);
  color: var(--text);
  background: var(--cream);
  -webkit-font-smoothing: antialiased;
}

a { color: var(--pine-800); text-decoration: none; }
a:hover { text-decoration: underline; }

button, input, select, textarea { font: inherit; color: inherit; }

/* ---------------- 登录 / 加入 ---------------- */

.auth-page {
  min-height: 100%;
  display: grid;
  grid-template-columns: 1fr;
  place-items: center;
  padding: 32px 20px 48px;
  background:
    radial-gradient(900px 460px at 82% -10%, #e7efda 0%, rgba(231, 239, 218, 0) 62%),
    radial-gradient(700px 420px at 6% 108%, #f0e7d2 0%, rgba(240, 231, 210, 0) 60%),
    var(--cream);
}

.auth-wrap { width: 100%; max-width: 420px; }

.auth-brand { text-align: center; margin-bottom: 22px; }
.auth-brand .seal {
  width: 54px; height: 54px; margin: 0 auto 12px;
  border-radius: 14px;
  background: var(--pine-900);
  color: #f4f1e5;
  display: grid; place-items: center;
  font-size: 22px; font-weight: 800; letter-spacing: 2px;
}
.auth-brand h1 {
  margin: 0 0 6px;
  font-size: var(--fs-4xl, 22px);
  font-weight: 800;
  letter-spacing: .5px;
  color: var(--pine-900);
}
.auth-brand p { margin: 0; color: var(--muted); font-size: var(--fs-sm, 13px); }

.auth-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow);
  padding: 26px 24px 22px;
}

.auth-foot { margin-top: 16px; text-align: center; color: var(--muted); font-size: var(--fs-sm, 13px); }

/* ---------------- 表单 ---------------- */

.field { margin-bottom: 14px; }
.field > label {
  display: block;
  margin-bottom: 6px;
  font-size: var(--fs-sm, 13px);
  font-weight: 600;
  color: #3d4534;
}
.field .tip { margin-top: 6px; font-size: var(--fs-xs, 12px); color: var(--muted); }

input[type="text"], input[type="password"], input[type="tel"], input[type="search"], select, textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 12px;
  background: #fff;
  border: 1px solid #cfc9b8;
  border-radius: var(--r-sm);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
textarea { min-height: 120px; resize: vertical; font-family: var(--mono); font-size: var(--fs-sm, 13px); line-height: 1.6; }
input:focus, select:focus, textarea:focus {
  border-color: var(--pine-700);
  box-shadow: 0 0 0 3px rgba(65, 109, 17, .16);
}
input::placeholder, textarea::placeholder { color: #9a9789; }
input:disabled, select:disabled, textarea:disabled { background: var(--paper-2); color: var(--muted); }

.check { display: flex; align-items: center; gap: 8px; font-size: var(--fs-sm, 13px); color: #3d4534; }
.check input { width: 16px; height: 16px; accent-color: var(--pine-700); }

/* ---------------- 按钮 ---------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-height: 36px;
  padding: 6px 14px;
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: var(--fs-sm, 13px);
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, transform .1s;
  white-space: nowrap;
}
.btn:hover { background: var(--paper-2); border-color: #d3ccba; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .55; cursor: not-allowed; transform: none; }
.btn.primary { background: var(--pine-800); border-color: var(--pine-800); color: #fff; }
.btn.primary:hover { background: var(--pine-900); border-color: var(--pine-900); }
.btn.danger { color: var(--danger); border-color: #e7c3bf; background: #fff; }
.btn.danger:hover { background: var(--danger-bg); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--pine-800); }
.btn.ghost:hover { background: var(--pine-050); }
.btn.sm { min-height: 30px; padding: 3px 10px; font-size: var(--fs-xs, 12px); }
.btn.block { width: 100%; min-height: 42px; }

.btn-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* ---------------- 应用骨架 ---------------- */

.app { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--side-w);
  flex: 0 0 var(--side-w);
  background: var(--pine-900);
  color: #eef1e4;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.side-brand { padding: 22px 20px 16px; border-bottom: 1px solid rgba(255, 255, 255, .1); }
.side-brand .t { font-size: var(--fs-lg, 15px); font-weight: 800; letter-spacing: .5px; }
.side-brand .s { margin-top: 4px; font-size: var(--fs-xs, 12px); color: #b9c6a3; }
.side-role {
  margin: 14px 16px 8px;
  padding: 7px 10px;
  border-radius: var(--r-sm);
  background: rgba(255, 255, 255, .08);
  font-size: var(--fs-xs, 12px);
  color: #dfe7cd;
  line-height: 1.4;
}
.side-role .term { margin-top: 2px; color: #aebd96; font-size: var(--fs-2xs, 11px); }
.nav { flex: 1; overflow-y: auto; padding: 6px 10px 16px; }
.nav-group { margin-top: 12px; padding: 0 10px 6px; font-size: var(--fs-2xs, 11px); letter-spacing: 1px; color: #a8b891; }
.nav a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 9px 12px;
  margin-bottom: 2px;
  border-radius: var(--r-sm);
  color: #e3e9d5;
  font-size: var(--fs-sm, 13px);
  text-decoration: none;
  transition: background .15s;
}
.nav a:hover { background: rgba(255, 255, 255, .08); text-decoration: none; }
.nav a.active { background: #f4f1e5; color: var(--pine-900); font-weight: 700; }
.side-foot { padding: 14px 16px 18px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: var(--fs-xs, 12px); color: #b9c6a3; }
.side-foot .who { color: #eef1e4; font-weight: 600; margin-bottom: 8px; }
.side-foot .btn { background: rgba(255, 255, 255, .1); border-color: rgba(255, 255, 255, .18); color: #eef1e4; }
.side-foot .btn:hover { background: rgba(255, 255, 255, .18); }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 28px;
  background: rgba(246, 243, 234, .92);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(8px);
}
.topbar h2 { margin: 0; font-size: var(--fs-3xl, 20px); font-weight: 800; color: var(--pine-900); }
.topbar .sub { margin-top: 2px; font-size: var(--fs-xs, 12px); color: var(--muted); }
.topbar .right { display: flex; align-items: center; gap: 10px; font-size: var(--fs-sm, 13px); color: var(--muted); }

.content { padding: 22px 28px 48px; max-width: 1280px; width: 100%; }

/* ---------------- 卡片 / 统计 ---------------- */

.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  box-shadow: var(--shadow);
  padding: 18px 18px 16px;
  margin-bottom: 18px;
}
.card-h { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 14px; flex-wrap: wrap; }
.card-h h3 { margin: 0; font-size: var(--fs-xl, 16px); font-weight: 800; color: var(--pine-900); }
.card-h .desc { font-size: var(--fs-xs, 12px); color: var(--muted); font-weight: 400; margin-top: 3px; }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.stat .k { font-size: var(--fs-xs, 12px); color: var(--muted); }
.stat .v { margin-top: 6px; font-size: var(--fs-6xl, 32px); font-weight: 800; line-height: 1.1; color: var(--pine-900); font-variant-numeric: tabular-nums; }
.stat .v small { font-size: var(--fs-sm, 13px); font-weight: 600; color: var(--muted); margin-left: 3px; }
.stat .n { margin-top: 6px; font-size: var(--fs-xs, 12px); color: var(--muted); }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; align-items: start; }

/* ---------------- 表格 ---------------- */

.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--r-sm); background: #fff; }
.table-wrap table { min-width: 560px; }
table { width: 100%; border-collapse: collapse; font-size: var(--fs-sm, 13px); }
th, td { padding: 9px 12px; text-align: left; border-bottom: 1px solid var(--line-soft); vertical-align: middle; }
th {
  background: var(--paper-2);
  font-weight: 700;
  color: #4a5340;
  font-size: var(--fs-xs, 12px);
  white-space: nowrap;
  position: sticky;
  top: 0;
}
tbody tr:hover { background: #fbfaf4; }
tbody tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.actions { white-space: nowrap; }
td .sub { display: block; color: var(--muted); font-size: var(--fs-xs, 12px); margin-top: 2px; }

.empty { padding: 34px 16px; text-align: center; color: var(--muted); font-size: var(--fs-sm, 13px); }

/* ---------------- 徽标 / 提示 ---------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: var(--r-pill, 999px);
  font-size: var(--fs-xs, 12px);
  font-weight: 600;
  background: var(--paper-2);
  color: var(--muted);
  border: 1px solid var(--line);
  white-space: nowrap;
}
.badge.ok { background: var(--ok-bg); color: var(--ok); border-color: #cfe6d4; }
.badge.warn { background: var(--warn-bg); color: var(--warn); border-color: #efdfbe; }
.badge.bad { background: var(--danger-bg); color: var(--danger); border-color: #efcecb; }
.badge.info { background: var(--info-bg); color: var(--info); border-color: #cfe1ee; }

.alert {
  padding: 10px 12px;
  border-radius: var(--r-sm);
  font-size: var(--fs-sm, 13px);
  border: 1px solid transparent;
  margin-bottom: 14px;
  display: none;
}
.alert.show { display: block; }
.alert.error { background: var(--danger-bg); color: var(--danger); border-color: #efcecb; }
.alert.ok { background: var(--ok-bg); color: var(--ok); border-color: #cfe6d4; }
.alert.info { background: var(--info-bg); color: var(--info); border-color: #cfe1ee; }

.hint { font-size: var(--fs-xs, 12px); color: var(--muted); line-height: 1.6; }
.mono { font-family: var(--mono); }
.nowrap { white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: var(--fs-xs, 12px); }

/* ---------------- 工具条 ---------------- */

.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 14px;
}
.toolbar .grow { flex: 1; }
.toolbar input[type="search"], .toolbar select { min-height: 34px; padding: 5px 10px; width: auto; min-width: 140px; }

.tabs { display: flex; gap: 6px; border-bottom: 1px solid var(--line); margin-bottom: 16px; flex-wrap: wrap; }
.tabs button {
  border: 0; background: transparent; padding: 9px 14px; cursor: pointer;
  font-size: var(--fs-sm, 13px); font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent; margin-bottom: -1px;
}
.tabs button.active { color: var(--pine-900); border-bottom-color: var(--pine-800); }

/* ---------------- 弹窗 / 吐司 ---------------- */

.modal-mask {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(27, 35, 18, .45);
  display: none; align-items: center; justify-content: center;
  padding: 20px;
}
.modal-mask.show { display: flex; }
.modal {
  width: 100%; max-width: 460px;
  background: var(--paper);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  padding: 22px;
  max-height: 86vh;
  overflow: auto;
}
.modal.wide { max-width: 720px; }
.modal h3 { margin: 0 0 6px; font-size: var(--fs-2xl, 18px); color: var(--pine-900); }
.modal .desc { margin: 0 0 14px; font-size: var(--fs-sm, 13px); color: var(--muted); }
.modal .foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 18px; }

.toast-host { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 200; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.toast {
  padding: 9px 16px;
  border-radius: var(--r-pill, 999px);
  background: #26301d;
  color: #f4f1e5;
  font-size: var(--fs-sm, 13px);
  box-shadow: var(--shadow-lg);
  animation: toast-in .2s ease-out;
}
.toast.error { background: var(--danger); }
@keyframes toast-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------------- 邀请码 / 结果块 ---------------- */

.code-box {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  padding: 12px 14px; border-radius: var(--r-sm);
  background: var(--pine-050); border: 1px dashed #c8d6b2;
}
.code-box .code { font-family: var(--mono); font-size: var(--fs-3xl, 20px); font-weight: 700; letter-spacing: 2px; color: var(--pine-900); }

.kv { display: grid; grid-template-columns: 96px 1fr; gap: 6px 12px; font-size: var(--fs-sm, 13px); }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }

/* ---------------- 手机 ---------------- */

@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex: none; height: auto; position: static; }
  .side-brand { padding: 14px 16px 10px; }
  .side-role { margin: 8px 12px; }
  .nav { display: flex; overflow-x: auto; padding: 4px 8px 10px; gap: 4px; }
  .nav-group { display: none; }
  .nav a { white-space: nowrap; margin: 0; padding: 7px 12px; background: rgba(255, 255, 255, .06); }
  .nav a.active { background: #f4f1e5; }
  .side-foot { display: none; }
  .topbar { position: static; padding: 12px 16px; }
  .topbar h2 { font-size: var(--fs-2xl, 18px); }
  .content { padding: 16px 14px 40px; }
  .grid-2 { grid-template-columns: 1fr; }
  .stat .v { font-size: var(--fs-5xl, 26px); }
}

@media (max-width: 620px) {
  .auth-page { padding: 20px 14px 40px; }
  .auth-card { padding: 20px 16px; }
  .card { padding: 14px; }
  .toolbar select, .toolbar input[type="search"] { flex: 1 1 132px; min-width: 132px; }
  .toolbar .grow { display: none; }
  .btn-row .btn { flex: 1; }
}