/* 子由教育信息管理系统 · 视觉令牌取自线上系统（暖橙 #ff7e3d / 底色 #fff7f0 / 边框 #efe8e1） */
:root {
  --primary: #ff7e3d;
  --primary-hover: #f56b25;
  --primary-soft: #ffedd5;
  --bg: #fff7f0;
  --card: #ffffff;
  --fg: #312b26;
  --fg-2: #39332d;
  --muted: #f6efea;
  --muted-fg: #7c726a;
  --border: #efe8e1;
  --secondary: #faf2eb;
  --success: #2ac6b6;
  --danger: #ff5c5c;
  --warning: #fcbb00;
  --radius: 16px;
  --radius-sm: 8px;
  --shadow: 0 4px 16px rgba(255, 85, 0, .08), 0 2px 6px -2px rgba(255, 85, 0, .05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; }
h1, h2, h3, h4 { margin: 0; font-weight: 600; color: var(--fg); }

/* ---------- 登录页 ---------- */
.login-body {
  background:
    radial-gradient(58% 52% at 8% 4%, #ffe3c2 0%, rgba(255, 227, 194, 0) 68%),
    radial-gradient(52% 46% at 52% -6%, #fff4d6 0%, rgba(255, 244, 214, 0) 62%),
    radial-gradient(60% 58% at 96% 100%, #d7f0eb 0%, rgba(215, 240, 235, 0) 70%),
    radial-gradient(46% 40% at 2% 98%, #ffe4ea 0%, rgba(255, 228, 234, 0) 70%),
    var(--bg);
}
.login-wrap {
  min-height: 100vh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  padding: 48px 20px 40px;
}

/* 呼吸式 LOGO */
.logo-breathe { position: relative; width: 156px; height: 156px; display: grid; place-items: center; }
.logo-halo {
  position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 126, 61, .30) 0%, rgba(255, 126, 61, .11) 48%, rgba(255, 126, 61, 0) 72%);
  animation: halo-breathe 4.2s ease-in-out infinite;
}
.logo-plate {
  position: relative; width: 140px; height: 140px; border-radius: 50%; background: #fff;
  display: grid; place-items: center;
  box-shadow: 0 6px 20px rgba(255, 102, 0, .10);
  animation: plate-breathe 4.2s ease-in-out infinite;
}
.logo-plate img { width: 100px; height: auto; display: block; }
@keyframes halo-breathe {
  0%, 100% { transform: scale(.88); opacity: .45; }
  50%      { transform: scale(1.10); opacity: 1; }
}
@keyframes plate-breathe {
  0%, 100% { transform: scale(1);     box-shadow: 0 6px 20px rgba(255, 102, 0, .08); }
  50%      { transform: scale(1.035); box-shadow: 0 10px 28px rgba(255, 102, 0, .16); }
}
@media (prefers-reduced-motion: reduce) {
  .logo-halo, .logo-plate { animation: none; }
}

.login-system { font-size: 22px; font-weight: 600; letter-spacing: 2px; margin: 22px 0 0; }
.login-note { margin: 8px 0 0; font-size: 13px; color: var(--muted-fg); letter-spacing: 1px; }
.login-card {
  width: 100%; max-width: 372px;
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: 0 10px 30px rgba(255, 110, 40, .10), 0 2px 8px rgba(49, 43, 38, .04);
  padding: 26px 26px 24px;
  margin-top: 28px;
}
.login-card .field { margin-bottom: 14px; }
.login-card .field input {
  height: 46px; padding: 0 16px; font-size: 15px;
  border-radius: 12px; background: var(--secondary); border-color: var(--border);
}
.login-card .field input:focus { background: #fff; }
.login-card .btn-primary { margin-top: 6px; height: 46px; font-size: 15px; letter-spacing: 2px; border-radius: 12px; }
.login-tip { margin-top: 18px; font-size: 12.5px; color: var(--muted-fg); }
.login-foot { margin-top: 26px; font-size: 12px; color: #b3a89f; }
.login-icp { margin-top: 6px; font-size: 11.5px; color: #b3a89f; }
.login-icp a { color: #b3a89f; }
.login-icp a:hover { color: var(--primary); text-decoration: underline; }

/* ---------- 表单元素 ---------- */
label.field-label, .field-label { display: block; font-size: 13px; color: var(--fg-2); margin-bottom: 6px; }
input[type=text], input:not([type]), input[type=password], input[type=number], input[type=date], input[type=tel],
input[type=month], select, textarea {
  width: 100%; height: 40px; padding: 0 12px;
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  background: #fff; color: var(--fg); font-size: 14px; font-family: var(--font);
  outline: none; transition: border-color .15s, box-shadow .15s;
}
textarea { height: auto; padding: 10px 12px; resize: vertical; }
input:focus, select:focus, textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(255, 126, 61, .14);
}
select { appearance: none; background-image: linear-gradient(45deg, transparent 50%, #b7ada4 50%), linear-gradient(135deg, #b7ada4 50%, transparent 50%); background-position: calc(100% - 18px) 18px, calc(100% - 13px) 18px; background-size: 5px 5px; background-repeat: no-repeat; padding-right: 32px; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  height: 38px; padding: 0 18px; border-radius: var(--radius-sm); border: 1px solid transparent;
  font-size: 14px; font-family: var(--font); cursor: pointer; transition: all .15s; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-ghost { background: #fff; color: var(--fg-2); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-sm { height: 30px; padding: 0 12px; font-size: 12.5px; border-radius: 6px; }
.btn-link { background: none; border: 0; color: var(--primary); cursor: pointer; font-size: 13px; padding: 0; }
.btn-link.danger { color: var(--danger); }
.w-full { width: 100%; }

/* ---------- 主框架 ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex: 0 0 232px; background: var(--card); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 20px 14px; position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; }
.brand img { width: 38px; height: 38px; object-fit: contain; }
.brand-text b { display: block; font-size: 15px; letter-spacing: 1px; }
.brand-text span { font-size: 11.5px; color: var(--muted-fg); letter-spacing: .5px; }
.nav { display: flex; flex-direction: column; gap: 4px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 10px; color: var(--fg-2); font-size: 14px;
}
.nav a:hover { background: var(--secondary); }
.nav a.active { background: var(--secondary); color: #f50; font-weight: 600; }
.nav .dot { width: 6px; height: 6px; border-radius: 50%; background: #d8cec5; flex: 0 0 6px; }
.nav a.active .dot { background: var(--primary); }
.sidebar-foot { margin-top: auto; padding: 12px 8px 0; font-size: 11.5px; color: #a79f97; }

.main { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
  height: 60px; display: flex; align-items: center; justify-content: space-between;
  padding: 0 24px; background: rgba(255, 247, 240, .85); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
}
.topbar h1 { font-size: 17px; }
.user-chip { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted-fg); }
.avatar { width: 30px; height: 30px; border-radius: 50%; background: var(--primary-soft); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 13px; font-weight: 600; }
.content { padding: 22px 24px 44px; }
.module-tabs { display: flex; flex-wrap: wrap; gap: 8px; padding: 14px 24px 0; }
.module-tabs a { padding: 7px 14px; border-radius: 999px; background: #fff; border: 1px solid var(--border); font-size: 13px; color: var(--fg-2); }
.module-tabs a:hover { border-color: var(--primary); color: var(--primary); }
.module-tabs a.on { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ---------- 卡片 / 统计 ---------- */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; }
.card + .card { margin-top: 18px; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; gap: 12px; flex-wrap: wrap; }
.card-head h2 { font-size: 15px; }
.card-head .hint { font-size: 12.5px; color: var(--muted-fg); }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.kpis.kpis-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.kpi { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.kpi .label { font-size: 13px; color: var(--muted-fg); }
.kpi .value { font-size: 28px; font-weight: 700; color: var(--primary); line-height: 1.3; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi .unit { font-size: 13px; color: var(--muted-fg); margin-left: 4px; font-weight: 400; }
.kpi.alt .value { color: var(--success); }
.kpi.warn .value { color: var(--danger); }

/* ---------- 表格 ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; background: #fff; }
thead th {
  background: var(--secondary); color: var(--fg-2); font-weight: 600; font-size: 13px;
  text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
tbody td { padding: 11px 14px; border-bottom: 1px solid var(--border); font-size: 13.5px; vertical-align: middle; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:hover { background: #fffbf7; }
.num { font-variant-numeric: tabular-nums; }
.empty { padding: 28px 0; text-align: center; color: #b3a89f; font-size: 13px; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; line-height: 1.7; }
.badge.ok { background: rgba(42, 198, 182, .12); color: #17998c; }
.badge.warn { background: rgba(252, 187, 0, .16); color: #9a7400; }
.badge.bad { background: rgba(255, 92, 92, .12); color: #d63c3c; }
.badge.info { background: var(--primary-soft); color: #d9611f; }

/* ---------- 表单排版 ---------- */
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px 16px; align-items: end; }
.form-grid > div, .form-grid > label { min-width: 0; }
.form-grid .span2 { grid-column: span 2; }
.form-grid.form-grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.form-grid.form-grid-3 .span3 { grid-column: 1 / -1; }
.form-grid.form-grid-3 .span2 { grid-column: span 2; }
.form-actions { display: flex; gap: 10px; grid-column: 1 / -1; }
.toolbar { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 14px; }
.toolbar form { display: flex; gap: 8px; align-items: center; }
.toolbar input[type=month], .toolbar input[type=text] { width: auto; }
.toolbar select { width: auto; min-width: 120px; }
.inline-form { display: inline; }

/* ---------- 提示 ---------- */
.flash { background: var(--primary-soft); color: #b9500f; border: 1px solid #ffd7b8; padding: 10px 14px; border-radius: 10px; margin-bottom: 14px; font-size: 13px; }
.section-title { font-size: 13px; color: var(--muted-fg); margin: 18px 0 8px; }

/* ---------- 家长端 ---------- */
.mobile-wrap { max-width: 720px; margin: 0 auto; padding: 18px 16px 40px; }

/* ---------- 学员详情 ---------- */
.student-hero { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.student-avatar-lg {
  width: 64px; height: 64px; border-radius: 50%; flex: 0 0 64px;
  display: grid; place-items: center; background: var(--primary-soft);
  color: var(--primary); font-size: 26px; font-weight: 700;
}
.student-link { color: var(--fg); }
.student-link:hover { color: var(--primary); }
.student-hero-main { flex: 1; min-width: 200px; }
.student-name-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.student-name-line h2 { font-size: 22px; line-height: 1.3; }
.student-sub { margin-top: 6px; font-size: 13px; color: var(--muted-fg); }
.student-sub .sep { color: #c9bbb0; margin: 0 6px; }
.student-actions { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.detail-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; margin-top: 20px; }
.record-summary { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 12px; margin-bottom: 14px; }
.detail-item { background: var(--secondary); border: 1px solid var(--border); border-radius: 12px; padding: 11px 14px; min-width: 0; }
.detail-item .label { font-size: 12px; color: var(--muted-fg); line-height: 1.5; }
.detail-item .value { margin-top: 3px; font-size: 14px; font-weight: 600; color: var(--fg); word-break: break-word; }
.detail-item .value .sub { display: block; margin-top: 2px; font-size: 12px; font-weight: 400; color: var(--muted-fg); }
.student-note { margin-top: 14px; padding: 11px 14px; border-radius: 12px; background: var(--primary-soft); color: #8a4a1e; font-size: 13px; line-height: 1.7; }
.student-note > span { font-weight: 600; margin-right: 10px; }
.account-line { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 13.5px; color: var(--fg-2); }
.account-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--primary); flex: 0 0 8px; }
.transfer-form { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; max-width: 520px; }
.transfer-form select { flex: 1; min-width: 180px; }
.mobile-only { display: none; }

/* ---------- 响应式 ---------- */
@media (max-width: 900px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex: none; height: auto; position: relative; padding: 12px 12px 6px; border-right: 0; border-bottom: 1px solid var(--border); }
  .brand { padding-bottom: 10px; }
  .nav { flex-direction: row; flex-wrap: wrap; overflow-x: visible; gap: 6px; padding-bottom: 6px; }
  .nav a { white-space: nowrap; padding: 8px 12px; background: #fff; border: 1px solid var(--border); }
  .module-tabs { padding: 10px 14px 0; }
  .sidebar-foot { display: none; }
  .content { padding: 16px 14px 40px; }
  .topbar { padding: 0 14px; height: 54px; }
  .kpis { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .kpis.kpis-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
  .form-grid .span2 { grid-column: span 2; }
  .form-grid.form-grid-3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .form-grid.form-grid-3 .span3 { grid-column: 1 / -1; }
  .detail-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .kpi .value { font-size: 24px; }
  .mobile-only { display: inline; }
  th, td { white-space: nowrap; }
  .table-wrap { -webkit-overflow-scrolling: touch; }
}
@media (max-width: 480px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .kpis.kpis-3 { grid-template-columns: 1fr 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .form-grid .span2 { grid-column: span 1; }
  .form-grid.form-grid-3 { grid-template-columns: 1fr; }
  .form-grid.form-grid-3 .span3, .form-grid.form-grid-3 .span2 { grid-column: span 1; }
  .detail-grid { grid-template-columns: 1fr; }
  .student-actions { width: 100%; }
  .login-card { padding: 22px 18px; }
}

/* ---------- 推荐方案 ---------- */
.form-grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--fg-2); }
.form-grid label input, .form-grid label textarea { margin: 0; }
.form-grid .field-help { font-size: 12px; color: var(--muted-fg); line-height: 1.5; margin-top: -2px; }
.form-grid .code-input { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; line-height: 1.7; }
.plan-rate-line { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-top: 8px; font-size: 13px; color: var(--fg-2); }
.plan-rate-line span b { color: var(--fg); }
.plan-list-actions { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.plan-state { white-space: nowrap; }
.plan-cur { border: 1px dashed var(--border); border-radius: 12px; padding: 16px 18px; background: var(--secondary); }
.plan-name { font-size: 15px; font-weight: 600; display: flex; align-items: center; gap: 10px; }
.plan-meta { margin-top: 8px; font-size: 13px; color: var(--fg-2); }
.plan-desc { margin-top: 6px; font-size: 13px; color: var(--muted-fg); }
.plan-tiers { margin: 10px 0 0; font-size: 12.5px; color: var(--fg-2); background: #fff; border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; white-space: pre-wrap; font-family: var(--font); }
.code-box { font-size: 22px; font-weight: 700; letter-spacing: 3px; color: var(--primary); background: var(--primary-soft); border-radius: 12px; padding: 14px 18px; display: inline-block; }
.checkin-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.checkin-cell { border: 1px solid var(--border); border-radius: 12px; padding: 12px 14px; background: var(--secondary); display: flex; flex-direction: column; gap: 6px; align-items: flex-start; }
.ci-name { font-size: 14px; font-weight: 600; }
.ci-bal { font-size: 12.5px; color: var(--muted-fg); }

/* 导航分组标题 */
.nav-group{display:block;font-size:11px;letter-spacing:.08em;color:#b8aba0;padding:14px 22px 6px;text-transform:uppercase}
.badge{white-space:nowrap}

/* 今日待办 */
.todo-list{display:flex;flex-direction:column;gap:8px}
.todo-item{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:10px;background:#faf9f6;border:1px solid var(--border);color:inherit;text-decoration:none;transition:background .18s}
.todo-item:hover{background:#f4f1ea}
.todo-dot{width:8px;height:8px;border-radius:50%;background:#c9a227;flex:none}
.todo-item.bad .todo-dot{background:#ff5c5c}
.todo-item.warn .todo-dot{background:#fcbb00}
.todo-item.info .todo-dot{background:#2ac6b6}
.todo-go{margin-left:auto;color:#b26a2c;font-size:13px;white-space:nowrap}
.pager{display:flex;align-items:center;gap:10px;margin-top:14px;justify-content:flex-end}