:root {
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", sans-serif;
  color: #182033;
  background: #f3f5f8;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  --ink: #182033;
  --muted: #6d7689;
  --indigo: #233876;
  --indigo-deep: #152550;
  --teal: #087f73;
  --amber: #c78724;
  --paper: #ffffff;
  --line: #dfe4eb;
  --soft: #f3f5f8;
  --el-color-primary: #233876;
  --el-color-success: #087f73;
  --el-border-radius-base: 7px;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; }
button, input, textarea, select { font: inherit; }
button { cursor: pointer; }
#app { min-height: 100vh; }

.shell { min-height: 100vh; display: grid; grid-template-columns: 256px 1fr; transition: grid-template-columns .2s ease; }
.shell.is-collapsed { grid-template-columns: 72px 1fr; }
.sidebar {
  position: fixed; inset: 0 auto 0 0; width: 256px; z-index: 20; overflow: hidden;
  display: flex; flex-direction: column; color: #eef2ff;
  background:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px),
    var(--indigo-deep);
  background-size: 26px 26px;
  transition: width .2s ease, transform .25s ease;
}
.is-collapsed .sidebar { width: 72px; }
.brand { height: 86px; padding: 0 24px; display: flex; align-items: center; gap: 13px; border-bottom: 1px solid rgba(255,255,255,.1); white-space: nowrap; }
.is-collapsed .brand { padding: 0 17px; }
.brand strong { display: block; font-family: "STZhongsong", "Songti SC", serif; font-size: 21px; letter-spacing: .12em; color: white; }
.brand small { display: block; margin-top: 3px; font: 9px/1.2 Consolas, monospace; letter-spacing: .16em; color: #9faad1; }
.brand-mark { flex: 0 0 auto; width: 31px; height: 31px; display: grid; grid-template-columns: repeat(3,1fr); gap: 3px; }
.brand-mark span { border: 1px solid #9eabd8; }
.brand-mark span:nth-child(2), .brand-mark span:nth-child(5), .brand-mark span:nth-child(8) { background: #3ec1ae; border-color: #3ec1ae; }
.brand-mark.large { width: 42px; height: 42px; gap: 4px; }
.term-stamp { margin: 24px 20px 11px; padding: 13px 15px; border-left: 2px solid #d89b42; background: rgba(255,255,255,.06); }
.term-stamp span { display: block; font-size: 11px; color: #aab3d4; }
.term-stamp b { display: block; margin-top: 5px; font-size: 13px; font-weight: 500; color: white; }
.nav-menu.el-menu { border: none; background: transparent; padding: 8px 10px; }
.nav-menu .el-menu-item { height: 48px; margin: 4px 0; border-radius: 7px; color: #bbc4e2; }
.nav-menu .el-menu-item:hover { color: white; background: rgba(255,255,255,.07); }
.nav-menu .el-menu-item.is-active { color: white; background: #2d478d; box-shadow: inset 3px 0 #46c6b5; }
.nav-menu .el-icon { font-size: 18px; }
.phase-note { margin: auto 20px 24px; padding-top: 17px; border-top: 1px solid rgba(255,255,255,.12); }
.phase-note span { color: #45c6b5; font-size: 11px; font-weight: 700; letter-spacing: .06em; }
.phase-note p { margin: 7px 0 0; color: #9faad0; font-size: 12px; line-height: 1.6; }

.main-area { grid-column: 2; min-width: 0; }
.topbar { height: 86px; padding: 0 32px; display: flex; align-items: center; gap: 20px; background: rgba(255,255,255,.96); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; backdrop-filter: blur(10px); }
.menu-toggle { width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 7px; color: var(--indigo); background: white; }
.page-heading span { display: block; color: #9aa1af; font-size: 10px; letter-spacing: .14em; text-transform: uppercase; }
.page-heading h1 { margin: 3px 0 0; font-size: 20px; font-weight: 650; letter-spacing: .04em; }
.user-block { margin-left: auto; display: flex; align-items: center; gap: 11px; }
.avatar { width: 38px; height: 38px; display: grid; place-items: center; border-radius: 50%; color: white; background: var(--teal); font-weight: 700; }
.user-copy b, .user-copy span { display: block; }
.user-copy b { font-size: 13px; }
.user-copy span { margin-top: 3px; color: var(--muted); font-size: 11px; }
.content { padding: 28px 32px 48px; max-width: 1540px; margin: 0 auto; }
.mobile-only { display: none; }

.section-kicker { color: var(--teal); font: 700 10px/1.2 Consolas, monospace; letter-spacing: .16em; }
.term-hero { min-height: 178px; padding: 32px 36px; display: flex; align-items: end; color: white; background: linear-gradient(118deg, #233876, #192d67 65%, #116d70); position: relative; overflow: hidden; }
.term-hero::after { content: ""; position: absolute; right: -40px; top: -110px; width: 360px; height: 360px; border: 54px solid rgba(255,255,255,.055); border-radius: 50%; }
.term-hero h2 { margin: 12px 0 7px; font-family: "STZhongsong", "Songti SC", serif; font-size: clamp(25px, 3vw, 38px); letter-spacing: .05em; }
.term-hero p { margin: 0; color: #c8d1ed; font-size: 13px; }
.term-hero button { position: relative; z-index: 1; margin-left: auto; width: 226px; padding: 15px 17px; display: flex; justify-content: space-between; border: 1px solid rgba(255,255,255,.35); color: white; background: rgba(255,255,255,.08); }
.term-hero button:hover { background: rgba(255,255,255,.15); }
.metric-grid { margin-top: 18px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.metric-card { min-height: 108px; padding: 22px; display: flex; align-items: center; gap: 17px; border: 1px solid var(--line); background: white; }
.metric-card .el-icon { width: 41px; height: 41px; border-radius: 50%; color: var(--indigo); background: #edf0f8; font-size: 19px; }
.metric-card span { display: block; color: var(--muted); font-size: 12px; }
.metric-card strong { display: block; margin-top: 5px; font: 700 27px/1 Consolas, monospace; color: var(--ink); }
.metric-card small { margin-left: 4px; color: var(--muted); font: 400 11px/1 sans-serif; }
.dashboard-grid { margin-top: 18px; display: grid; grid-template-columns: 1.35fr 1fr; gap: 18px; }
.work-card { min-height: 270px; padding: 28px; border: 1px solid var(--line); background: white; }
.card-heading { display: flex; justify-content: space-between; align-items: flex-start; }
.work-card h3 { margin: 8px 0 0; font-size: 18px; }
.status-chip { padding: 5px 9px; border-radius: 20px; color: var(--teal); background: #e8f5f2; font-size: 11px; }
.foundation-list { margin-top: 24px; }
.foundation-list > div { display: grid; grid-template-columns: 82px 1fr auto; gap: 14px; align-items: center; padding: 14px 0; border-top: 1px solid #eaedf1; }
.foundation-list span { color: var(--muted); font-size: 12px; }
.foundation-list b { font-size: 13px; font-weight: 550; }
.foundation-list i { font-size: 11px; font-style: normal; color: var(--teal); }
.phase-card { background: #fbfaf6; border-color: #e9e2d2; }
.phase-card p { max-width: 420px; margin: 16px 0 31px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.phase-line { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 2px solid #ded8c9; }
.phase-line span { position: relative; padding-top: 14px; color: #9b9588; font-size: 11px; }
.phase-line span::before { content: ""; position: absolute; top: -5px; left: 0; width: 8px; height: 8px; border-radius: 50%; background: #c7c0b0; }
.phase-line span.active { color: var(--amber); font-weight: 700; }
.phase-line span.active::before { background: var(--amber); box-shadow: 0 0 0 4px #f5ead6; }

.page-stack { display: grid; gap: 18px; }
.page-stack > * { min-width: 0; }
.page-intro { min-height: 106px; padding: 8px 4px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.page-intro h2 { margin: 7px 0 7px; font-family: "STZhongsong", "Songti SC", serif; font-size: 27px; }
.page-intro p { margin: 0; color: var(--muted); font-size: 13px; }
.data-card { border: 1px solid var(--line); background: white; overflow: hidden; }
.data-tabs { display: grid; grid-template-columns: repeat(7, minmax(105px, 1fr)); border-bottom: 1px solid var(--line); overflow-x: auto; }
.data-tabs button { min-width: 110px; padding: 16px 15px 14px; text-align: left; border: none; border-right: 1px solid #eaedf1; border-bottom: 3px solid transparent; color: var(--ink); background: #fafbfc; }
.data-tabs button:hover { background: white; }
.data-tabs button.active { border-bottom-color: var(--teal); background: white; }
.data-tabs b, .data-tabs span { display: block; }
.data-tabs b { font-size: 13px; }
.data-tabs span { margin-top: 4px; color: #9299a7; font-size: 10px; white-space: nowrap; }
.table-toolbar { min-height: 69px; padding: 14px 18px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); }
.table-toolbar .el-input { width: min(340px, 60vw); }
.table-toolbar > span { margin-left: auto; color: var(--muted); font-size: 11px; }
.data-table { min-height: 360px; }
.el-table th.el-table__cell { color: #596274; background: #fafbfc; font-size: 12px; font-weight: 650; }
.el-table .cell { font-size: 12px; }
.table-status { display: inline-flex; align-items: center; gap: 6px; font-size: 11px; color: var(--teal); }
.table-status::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.table-status.off { color: #a0a6b1; }
.role-tag { margin: 2px 4px 2px 0; }
.role-editor-summary {
  display: flex; align-items: baseline; justify-content: space-between; gap: 16px;
  margin: -4px 0 20px; padding: 14px 16px;
  border-left: 3px solid var(--teal); background: #f5f7fb;
}
.role-editor-summary strong { color: var(--ink); font-size: 17px; }
.role-editor-summary span { color: var(--muted); font-size: 13px; }
.entity-form .el-select, .entity-form .el-date-editor { width: 100%; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-grid.compact { align-items: center; }
.form-grid.three { grid-template-columns: repeat(3, 1fr); }

.registry-switch { display: grid; grid-template-columns: 1fr 1fr 180px; min-height: 112px; border: 1px solid var(--line); background: white; }
.registry-switch button { padding: 22px 26px; display: grid; gap: 4px; text-align: left; border: none; border-right: 1px solid var(--line); border-bottom: 3px solid transparent; background: white; }
.registry-switch button:hover { background: #fafbfc; }
.registry-switch button.active { border-bottom-color: var(--teal); background: #f7fbfa; }
.registry-switch button > span { color: #9ba3b1; font: 700 9px/1.2 Consolas, monospace; letter-spacing: .13em; }
.registry-switch button > b { font-family: "STZhongsong", "Songti SC", serif; font-size: 19px; }
.registry-switch button > small { color: var(--muted); font-size: 11px; }
.registry-total { padding: 20px; display: grid; place-content: center; text-align: center; background: var(--indigo-deep); color: white; }
.registry-total span, .registry-total small { color: #aeb8d6; font-size: 10px; }
.registry-total strong { margin: 3px 0; font: 700 30px/1 Consolas, monospace; color: #59d3c1; }
.filter-bar { min-height: 72px; padding: 14px 18px; display: flex; flex-wrap: wrap; align-items: center; gap: 10px; border-bottom: 1px solid var(--line); background: #fbfcfd; }
.filter-bar > .el-input { width: 280px; }
.filter-bar > .el-select { width: 150px; }
.registry-number, .course-code { color: var(--indigo); font: 700 12px/1.2 Consolas, monospace; letter-spacing: .03em; }
.record-name, .course-name { display: grid; gap: 3px; }
.record-name b, .course-name b { color: var(--ink); font-size: 13px; }
.record-name span, .course-name span { color: #9299a7; font-size: 10px; }
.pagination-bar { min-height: 62px; padding: 12px 18px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); }
.pagination-bar > span { color: var(--muted); font-size: 11px; }
.course-ledger { min-height: 92px; display: flex; align-items: stretch; color: white; background: linear-gradient(105deg, #1a2d61, #263f80); overflow: hidden; position: relative; }
.course-ledger::after { content: "CATALOGUE"; position: absolute; right: 22px; top: 8px; color: rgba(255,255,255,.045); font: 700 44px/1 Consolas, monospace; letter-spacing: .08em; }
.ledger-label { width: 220px; padding: 18px 26px; display: flex; align-items: baseline; gap: 7px; border-right: 1px solid rgba(255,255,255,.12); position: relative; z-index: 1; }
.ledger-label span { align-self: flex-start; color: #aeb8d6; font-size: 11px; }
.ledger-label b { margin-left: auto; font: 700 31px/1 Consolas, monospace; color: #58d0bf; }
.ledger-label small { color: #c4cce3; font-size: 10px; }
.ledger-rule { display: flex; align-items: center; gap: 0; position: relative; z-index: 1; }
.ledger-rule span { padding: 8px 28px; border-right: 1px solid rgba(255,255,255,.12); color: #d2d8e9; font-size: 11px; letter-spacing: .08em; }

.curriculum-filter { padding: 14px 18px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; border: 1px solid var(--line); background: white; }
.curriculum-filter > .el-input { width: 260px; }
.curriculum-filter > .el-select { width: 170px; }
.curriculum-workspace { min-height: 620px; display: grid; grid-template-columns: 285px minmax(0, 1fr); border: 1px solid var(--line); background: white; }
.plan-list { min-width: 0; display: flex; flex-direction: column; border-right: 1px solid var(--line); background: #fafbfc; }
.plan-list > button { position: relative; padding: 19px 20px; display: grid; gap: 6px; text-align: left; border: none; border-bottom: 1px solid var(--line); background: transparent; }
.plan-list > button:hover { background: white; }
.plan-list > button.active { padding-left: 17px; border-left: 3px solid var(--teal); background: white; }
.plan-list > button span { padding-right: 55px; color: var(--muted); font-size: 10px; }
.plan-list > button b { font-size: 13px; line-height: 1.5; }
.plan-list > button small { color: #969eac; font-size: 10px; }
.plan-list > button i { position: absolute; right: 14px; top: 16px; padding: 3px 7px; border-radius: 10px; color: #777f8d; background: #eef0f3; font-size: 9px; font-style: normal; }
.plan-list > button i.published { color: var(--teal); background: #e5f4f1; }
.plan-list > button i.archived { color: #8d7760; background: #f2ece4; }
.plan-pagination { margin-top: auto; min-height: 58px; padding: 10px 14px; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); }
.plan-pagination > span { color: var(--muted); font-size: 10px; }
.plan-detail { min-width: 0; padding: 26px; }
.plan-detail-head { display: flex; justify-content: space-between; gap: 20px; padding-bottom: 21px; border-bottom: 1px solid var(--line); }
.plan-detail-head > div:first-child > span { color: var(--teal); font-size: 10px; letter-spacing: .08em; }
.plan-detail-head h3 { margin: 7px 0 5px; font-family: "STZhongsong", "Songti SC", serif; font-size: 23px; }
.plan-detail-head p { margin: 0; color: var(--muted); font-size: 11px; }
.plan-actions { display: flex; flex-wrap: wrap; align-content: flex-start; justify-content: flex-end; gap: 7px; }
.plan-actions .el-button + .el-button { margin-left: 0; }
.plan-metrics { margin: 18px 0; display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); }
.plan-metrics > div { padding: 15px 17px; border-right: 1px solid var(--line); }
.plan-metrics > div:last-child { border-right: none; }
.plan-metrics span, .plan-metrics b { display: block; }
.plan-metrics span { color: var(--muted); font-size: 10px; }
.plan-metrics b { margin-top: 6px; font: 700 18px/1.2 Consolas, monospace; }
.plan-metrics b.warning { color: #b36f12; }
.module-toolbar { margin: 25px 0 12px; display: flex; align-items: center; justify-content: space-between; }
.module-toolbar b, .module-toolbar span { display: block; }
.module-toolbar b { font-size: 15px; }
.module-toolbar span { margin-top: 4px; color: var(--muted); font-size: 10px; }
.curriculum-module { margin-top: 12px; border: 1px solid var(--line); }
.curriculum-module > header { min-height: 72px; padding: 13px 16px; display: flex; align-items: center; gap: 18px; background: #f8fafb; border-bottom: 1px solid var(--line); }
.curriculum-module > header > div:first-child { min-width: 160px; }
.curriculum-module > header span { color: var(--teal); font: 700 9px/1 Consolas, monospace; letter-spacing: .12em; }
.curriculum-module h4 { margin: 6px 0 0; font-size: 14px; }
.curriculum-module > header p { margin: 0 auto 0 0; color: var(--muted); font-size: 11px; }
.curriculum-module > header > div:last-child { display: flex; align-items: center; white-space: nowrap; }
.curriculum-course-table { min-height: 80px; }
.task-summary { min-height: 82px; padding: 15px 22px; display: flex; align-items: center; gap: 28px; color: white; background: linear-gradient(108deg, #17295a, #263f80); }
.task-summary > div { min-width: 170px; display: flex; align-items: baseline; gap: 8px; }
.task-summary span, .task-summary small { color: #b8c1de; font-size: 10px; }
.task-summary b { margin-left: auto; color: #58d1c0; font: 700 30px/1 Consolas, monospace; }
.task-summary p { margin: 0; padding-left: 28px; border-left: 1px solid rgba(255,255,255,.16); color: #d4daeb; font-size: 11px; letter-spacing: .03em; }
.muted-action { color: #9aa1ae; font-size: 11px; }
.schedule-toolbar { min-height: 86px; padding: 12px 16px; display: flex; align-items: stretch; gap: 14px; border: 1px solid var(--line); background: white; }
.schedule-toolbar > .el-select { width: 245px; align-self: center; }
.schedule-version-strip { min-width: 0; display: flex; align-items: stretch; gap: 8px; overflow-x: auto; }
.schedule-version-strip > button { min-width: 120px; padding: 10px 14px; display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; text-align: left; border: 1px solid var(--line); background: #fafbfc; }
.schedule-version-strip > button:hover { background: white; }
.schedule-version-strip > button.active { color: white; border-color: var(--indigo); background: var(--indigo); }
.schedule-version-strip b { font: 700 14px/1.2 Consolas, monospace; }
.schedule-version-strip span, .schedule-version-strip small { font-size: 9px; }
.schedule-version-strip small { grid-column: 1 / -1; color: #9199a8; }
.schedule-version-strip > button.active small { color: #cbd3eb; }
.schedule-version-strip > span { align-self: center; color: var(--muted); font-size: 11px; }
.schedule-sheet { min-width: 0; border: 1px solid var(--line); background: white; }
.schedule-sheet-head { padding: 21px 22px; display: flex; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.schedule-sheet-head > div:first-child > span { color: var(--teal); font-size: 10px; letter-spacing: .07em; }
.schedule-sheet-head h3 { margin: 6px 0 5px; font-family: "STZhongsong", "Songti SC", serif; font-size: 21px; }
.schedule-sheet-head p { margin: 0; color: var(--muted); font-size: 10px; }
.schedule-search { padding: 12px 16px; display: flex; align-items: center; gap: 10px; background: #fafbfc; border-bottom: 1px solid var(--line); }
.schedule-search .el-input { width: 320px; }
.schedule-search > span { margin-left: auto; color: var(--muted); font-size: 10px; }
.timetable-scroll { width: 100%; overflow: auto; }
.timetable-grid { min-width: 1120px; display: grid; grid-template-columns: 72px repeat(7, minmax(145px, 1fr)); }
.timetable-corner, .timetable-day { min-height: 45px; display: grid; place-items: center; color: #555f72; background: #f4f6f9; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); font-size: 11px; font-weight: 650; }
.timetable-period { min-height: 88px; padding: 14px 8px; display: grid; align-content: start; justify-items: center; gap: 5px; color: var(--indigo); background: #fafbfc; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.timetable-period b { font: 700 17px/1 Consolas, monospace; }
.timetable-period span { color: var(--muted); font-size: 9px; }
.timetable-cell { min-width: 0; min-height: 88px; padding: 5px; display: grid; align-content: start; gap: 5px; position: relative; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: white; }
.timetable-cell.editable:hover { background: #f7fbfa; }
.cell-add { margin: auto; color: transparent; font-size: 9px; }
.timetable-cell.editable:hover .cell-add { color: #a0a8b4; }
.schedule-card { min-width: 0; padding: 8px 9px; display: grid; gap: 4px; position: relative; border-left: 3px solid #45bcae; color: #eaf2ff; background: linear-gradient(130deg, #263f80, #1a2e64); box-shadow: 0 4px 10px rgba(24,40,83,.12); cursor: pointer; }
.schedule-card.readonly { cursor: default; }
.schedule-card span { padding-right: 16px; color: #74d5c8; font: 700 8px/1.2 Consolas, monospace; letter-spacing: .04em; }
.schedule-card b { overflow: hidden; font-size: 11px; white-space: nowrap; text-overflow: ellipsis; }
.schedule-card small, .schedule-card i { overflow: hidden; color: #c6cfe6; font-size: 8px; font-style: normal; white-space: nowrap; text-overflow: ellipsis; }
.schedule-card > button { position: absolute; right: 4px; top: 3px; border: none; color: #b9c4df; background: transparent; font-size: 14px; }
.schedule-card > button:hover { color: white; }

.selection-page { min-width: 0; }
.selection-round-strip {
  min-height: 104px; padding: 10px; display: flex; gap: 9px; overflow-x: auto;
  border: 1px solid var(--line); background: white;
}
.selection-round-strip > button {
  flex: 0 0 285px; min-height: 82px; padding: 13px 15px; display: grid;
  grid-template-columns: 1fr auto; gap: 5px 12px; text-align: left;
  border: 1px solid var(--line); border-left: 3px solid #bdc3ce;
  color: var(--ink); background: #fafbfc;
}
.selection-round-strip > button:hover { background: white; }
.selection-round-strip > button.active {
  border-color: var(--indigo); border-left-color: #48c8b7;
  color: white; background: linear-gradient(115deg, #1b3067, #294584);
}
.selection-round-strip span, .selection-round-strip small {
  overflow: hidden; color: #868f9e; font-size: 9px; white-space: nowrap; text-overflow: ellipsis;
}
.selection-round-strip b {
  grid-column: 1 / -1; overflow: hidden; font-family: "STZhongsong", "Songti SC", serif;
  font-size: 14px; white-space: nowrap; text-overflow: ellipsis;
}
.selection-round-strip i {
  align-self: start; padding: 3px 7px; border-radius: 10px;
  color: #6d7583; background: #edf0f3; font-size: 9px; font-style: normal;
}
.selection-round-strip i.open { color: var(--teal); background: #e5f4f1; }
.selection-round-strip > button.active span,
.selection-round-strip > button.active small { color: #c6d0e8; }
.selection-round-strip > button.active i { color: white; background: rgba(255,255,255,.14); }
.selection-window {
  min-height: 142px; display: grid; grid-template-columns: 105px minmax(300px, 1fr) auto;
  align-items: stretch; color: white;
  background:
    linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px),
    linear-gradient(112deg, #162858, #243d7d 70%, #176b70);
  background-size: 28px 28px, 28px 28px, auto;
  overflow: hidden;
}
.window-seal {
  padding: 20px 12px; display: grid; place-content: center; justify-items: center; gap: 9px;
  border-right: 1px solid rgba(255,255,255,.13); color: #57d4c2;
}
.window-seal .el-icon { font-size: 26px; }
.window-seal span { font-size: 10px; font-weight: 700; letter-spacing: .08em; }
.window-copy { padding: 24px 27px; align-self: center; min-width: 0; }
.window-copy > span { color: #5ed4c4; font: 700 9px/1 Consolas, monospace; letter-spacing: .15em; }
.window-copy h3 {
  margin: 9px 0 8px; overflow: hidden; font-family: "STZhongsong", "Songti SC", serif;
  font-size: 22px; font-weight: 500; letter-spacing: .03em; white-space: nowrap; text-overflow: ellipsis;
}
.window-copy p { margin: 0; color: #c4cee8; font-size: 10px; }
.window-copy em {
  margin-left: 13px; padding-left: 13px; border-left: 1px solid rgba(255,255,255,.2);
  color: #edcf9a; font-style: normal;
}
.credit-meter {
  width: 310px; padding: 22px 28px; align-self: center;
  border-left: 1px solid rgba(255,255,255,.13);
}
.credit-meter > div:first-child { display: flex; align-items: baseline; gap: 7px; }
.credit-meter span, .credit-meter small { color: #c2cce5; font-size: 10px; }
.credit-meter b { margin-left: auto; color: #5bd4c3; font: 700 34px/1 Consolas, monospace; }
.credit-track { height: 5px; margin-top: 12px; overflow: hidden; background: rgba(255,255,255,.15); }
.credit-track i { height: 100%; display: block; background: linear-gradient(90deg, #49c9b7, #e3ad54); }
.credit-meter p { margin: 9px 0 0; color: #aeb9d8; font-size: 9px; }
.round-actions {
  width: 285px; padding: 23px; display: flex; flex-wrap: wrap; align-content: center;
  justify-content: flex-end; gap: 8px; border-left: 1px solid rgba(255,255,255,.13);
}
.round-actions .el-button + .el-button { margin-left: 0; }
.selection-ledger-head {
  min-height: 95px; padding: 18px 21px; display: flex; align-items: center;
  justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line);
}
.selection-ledger-head span { color: var(--teal); font: 700 9px/1 Consolas, monospace; letter-spacing: .14em; }
.selection-ledger-head h3 { margin: 7px 0 4px; font-family: "STZhongsong", "Songti SC", serif; font-size: 19px; }
.selection-ledger-head p { margin: 0; color: var(--muted); font-size: 10px; }
.capacity-number { color: var(--indigo); font: 700 13px/1 Consolas, monospace; }
.offering-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 15px; }
.offering-ticket {
  min-width: 0; min-height: 250px; display: flex; flex-direction: column;
  border: 1px solid var(--line); background: white; box-shadow: 0 6px 18px rgba(24,36,68,.045);
}
.offering-ticket > header {
  min-height: 99px; padding: 19px 20px; display: flex; justify-content: space-between;
  gap: 16px; border-bottom: 1px dashed #d7dce4; position: relative;
}
.offering-ticket > header::before,
.offering-ticket > header::after {
  content: ""; position: absolute; bottom: -7px; width: 12px; height: 12px;
  border-radius: 50%; background: var(--soft);
}
.offering-ticket > header::before { left: -7px; }
.offering-ticket > header::after { right: -7px; }
.offering-ticket header span { color: var(--teal); font: 700 9px/1 Consolas, monospace; letter-spacing: .08em; }
.offering-ticket h3 {
  margin: 8px 0 6px; font-family: "STZhongsong", "Songti SC", serif;
  font-size: 20px; font-weight: 600;
}
.offering-ticket header p { margin: 0; color: var(--muted); font-size: 11px; }
.selected-mark {
  flex: 0 0 auto; height: fit-content; padding: 5px 9px; display: flex; align-items: center; gap: 4px;
  border-radius: 13px; color: var(--teal); background: #e8f5f2; font-size: 10px; font-style: normal;
}
.ticket-schedules { min-height: 85px; padding: 14px 20px; display: grid; align-content: center; gap: 8px; }
.ticket-schedules > div { display: flex; align-items: flex-start; gap: 7px; color: #4e596d; font-size: 10px; line-height: 1.5; }
.ticket-schedules .el-icon { flex: 0 0 auto; margin-top: 1px; color: var(--indigo); }
.schedule-missing { color: #a36d22; font-size: 10px; }
.offering-ticket > footer {
  margin-top: auto; min-height: 65px; padding: 13px 20px; display: flex; align-items: center;
  gap: 18px; background: #fafbfc; border-top: 1px solid #edf0f4;
}
.seat-meter { flex: 1; min-width: 0; }
.seat-meter > span { display: block; margin-bottom: 7px; color: var(--muted); font-size: 9px; }
.seat-meter > div { height: 4px; overflow: hidden; background: #e2e6ec; }
.seat-meter i { height: 100%; display: block; background: var(--teal); }
.roster-summary {
  margin: 0 0 18px; padding: 16px; display: flex; align-items: center; gap: 14px;
  color: white; background: linear-gradient(115deg, #1b3067, #294584);
}
.roster-summary > .el-icon { font-size: 28px; color: #5bd4c3; }
.roster-summary span, .roster-summary b, .roster-summary small { display: block; }
.roster-summary span { color: #59d2c1; font: 700 9px Consolas, monospace; }
.roster-summary b { margin-top: 5px; font-size: 14px; }
.roster-summary small { margin-top: 4px; color: #bec8e2; font-size: 10px; }

.login-page { min-height: 100vh; display: grid; grid-template-columns: minmax(440px, 1.2fr) minmax(420px, .8fr); background: white; }
.login-story { min-height: 100vh; padding: 54px clamp(45px, 6vw, 90px); display: flex; flex-direction: column; color: white; background: linear-gradient(142deg, #13224d, #243a77 62%, #176b71); overflow: hidden; position: relative; }
.login-story::before { content: ""; position: absolute; inset: 0; opacity: .28; background-image: linear-gradient(rgba(255,255,255,.06) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.06) 1px, transparent 1px); background-size: 46px 46px; }
.story-brand, .story-copy, .schedule-signature, .story-foot { position: relative; z-index: 1; }
.story-brand { display: flex; align-items: center; gap: 16px; }
.story-brand strong { display: block; font-family: "STZhongsong", "Songti SC", serif; font-size: 25px; letter-spacing: .15em; }
.story-brand small { display: block; margin-top: 5px; color: #b7c1e2; font: 9px Consolas, monospace; letter-spacing: .17em; }
.story-copy { margin: auto 0 35px; }
.eyebrow { color: #5bd2c1; font-size: 11px; font-weight: 700; letter-spacing: .18em; }
.story-copy h1 { margin: 17px 0 20px; font-family: "STZhongsong", "Songti SC", serif; font-size: clamp(34px, 4vw, 55px); line-height: 1.34; font-weight: 500; letter-spacing: .03em; }
.story-copy p { max-width: 600px; margin: 0; color: #c4cce5; font-size: 14px; line-height: 1.8; }
.schedule-signature { width: min(600px, 90%); display: grid; grid-template-columns: repeat(5, 1fr); border-top: 1px solid rgba(255,255,255,.18); border-left: 1px solid rgba(255,255,255,.18); }
.schedule-signature div { aspect-ratio: 2.05; border-right: 1px solid rgba(255,255,255,.18); border-bottom: 1px solid rgba(255,255,255,.18); }
.schedule-signature div.active { display: grid; place-items: center; color: white; background: rgba(50,193,173,.52); font-size: 10px; }
.story-foot { margin: 20px 0 0; color: #9da9cc; font-size: 11px; letter-spacing: .08em; }
.login-panel { display: grid; place-items: center; padding: 45px; }
.login-form { width: min(390px, 100%); }
.form-intro { margin-bottom: 36px; }
.form-intro span { color: var(--teal); font-size: 12px; font-weight: 700; }
.form-intro h2 { margin: 8px 0 8px; font-family: "STZhongsong", "Songti SC", serif; font-size: 29px; }
.form-intro p { margin: 0; color: var(--muted); font-size: 13px; }
.login-form label { display: block; margin-bottom: 20px; }
.login-form label > span { display: block; margin-bottom: 8px; color: #525b6d; font-size: 12px; font-weight: 650; }
.login-submit { width: 100%; margin-top: 6px; height: 46px; }
.dev-hint { margin-top: 24px; padding: 13px 15px; display: flex; justify-content: space-between; color: #767e8d; background: #f5f7fa; font-size: 11px; }

@media (max-width: 1100px) {
  .metric-grid { grid-template-columns: repeat(2, 1fr); }
  .dashboard-grid { grid-template-columns: 1fr; }
  .login-page { grid-template-columns: 1fr 430px; }
  .login-story { padding-inline: 42px; }
}

@media (max-width: 980px) {
  .shell, .shell.is-collapsed { display: block; }
  .sidebar, .is-collapsed .sidebar { width: 256px; transform: translateX(-100%); }
  .sidebar.is-mobile-open { transform: translateX(0); }
  .main-area { width: 100%; }
  .mobile-mask { position: fixed; inset: 0; z-index: 15; background: rgba(13,24,48,.45); }
  .desktop-only { display: none; }
  .mobile-only { display: inline-grid; place-items: center; }
  .topbar { height: 72px; padding: 0 16px; }
  .user-copy { display: none; }
  .content { padding: 18px 14px 35px; }
  .term-hero { min-height: 220px; padding: 25px; flex-direction: column; align-items: flex-start; justify-content: flex-end; }
  .term-hero button { margin: 22px 0 0; width: 100%; }
  .metric-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .metric-card { padding: 15px; min-height: 90px; }
  .metric-card .el-icon { display: none; }
  .dashboard-grid { gap: 10px; }
  .work-card { padding: 21px; }
  .foundation-list > div { grid-template-columns: 72px 1fr; }
  .foundation-list i { display: none; }
  .page-intro { align-items: flex-end; }
  .page-intro p { display: none; }
  .registry-switch { grid-template-columns: 1fr 1fr; }
  .registry-switch button { padding: 17px; }
  .registry-total { grid-column: 1 / -1; display: flex; align-items: center; gap: 8px; min-height: 54px; }
  .registry-total strong { margin-left: auto; font-size: 22px; }
  .filter-bar > .el-input { width: 100%; }
  .filter-bar > .el-select { flex: 1 1 140px; width: auto; }
  .course-ledger { min-height: auto; display: block; }
  .ledger-label { width: 100%; }
  .ledger-rule { overflow-x: auto; }
  .ledger-rule span { padding: 12px 20px; white-space: nowrap; }
  .data-card { overflow: hidden; }
  .curriculum-filter > .el-input { width: 100%; }
  .curriculum-filter > .el-select { flex: 1 1 140px; width: auto; }
  .curriculum-workspace { display: block; }
  .plan-list { max-height: 310px; overflow-y: auto; border-right: none; border-bottom: 1px solid var(--line); }
  .plan-pagination { position: sticky; bottom: 0; background: #fafbfc; }
  .plan-detail { padding: 18px 14px; }
  .plan-detail-head { display: block; }
  .plan-actions { margin-top: 16px; justify-content: flex-start; }
  .plan-metrics { grid-template-columns: 1fr 1fr; }
  .plan-metrics > div:nth-child(2) { border-right: none; }
  .plan-metrics > div:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .curriculum-module > header { align-items: flex-start; flex-wrap: wrap; }
  .curriculum-module > header p { order: 3; width: 100%; }
  .task-summary { align-items: flex-start; flex-direction: column; gap: 12px; }
  .task-summary > div { width: 100%; }
  .task-summary p { padding: 12px 0 0; border-left: none; border-top: 1px solid rgba(255,255,255,.16); line-height: 1.6; }
  .schedule-toolbar { display: block; }
  .schedule-toolbar > .el-select { width: 100%; }
  .schedule-version-strip { margin-top: 10px; }
  .schedule-sheet-head { display: block; }
  .schedule-sheet-head .plan-actions { margin-top: 15px; }
  .schedule-search { flex-wrap: wrap; }
  .schedule-search .el-input { width: 100%; }
  .schedule-search > span { width: 100%; margin-left: 0; }
  .selection-window { grid-template-columns: 82px 1fr; }
  .credit-meter, .round-actions {
    grid-column: 1 / -1; width: auto; border-top: 1px solid rgba(255,255,255,.13);
    border-left: none;
  }
  .round-actions { justify-content: flex-start; }
  .offering-grid { grid-template-columns: 1fr; }
  .role-editor-summary { align-items: flex-start; flex-direction: column; gap: 4px; }
  .form-grid, .form-grid.three { grid-template-columns: 1fr; gap: 0; }
  .el-dialog { width: calc(100vw - 24px) !important; }
  .login-page { display: block; min-height: 100vh; background: #f4f6f9; }
  .login-story { min-height: 310px; padding: 30px 25px; }
  .story-copy { margin: auto 0 0; }
  .story-copy h1 { font-size: 30px; margin-bottom: 0; }
  .story-copy p, .schedule-signature, .story-foot { display: none; }
  .login-panel { padding: 32px 22px; background: white; }
}

@media (max-width: 600px) {
  .selection-round-strip > button { flex-basis: 240px; }
  .selection-window { display: block; }
  .window-seal { min-height: 54px; padding: 10px; display: flex; border-right: none; border-bottom: 1px solid rgba(255,255,255,.13); }
  .window-seal .el-icon { font-size: 18px; }
  .window-copy { padding: 20px 18px; }
  .window-copy h3 { white-space: normal; }
  .window-copy em { display: block; margin: 7px 0 0; padding: 0; border: none; }
  .credit-meter, .round-actions { padding: 18px; }
  .selection-ledger-head { align-items: flex-start; flex-direction: column; }
  .offering-ticket > footer { align-items: stretch; flex-direction: column; }
  .offering-ticket > footer .el-button { width: 100%; }
  .el-drawer { width: 100% !important; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}