@import url("https://fonts.googleapis.com/css2?family=Inter:wght@500;600;700;800&family=Noto+Sans+SC:wght@400;500;600;700&display=swap");

:root {
  --c-primary: #8fd3f8;
  --c-primary-dark: #2f82b7;
  --c-primary-light: #eaf7ff;
  --c-accent: #ec7184;
  --c-accent-light: #ffe7eb;
  --c-accent-bg: #fff4f5;
  --c-bg: #f0f5f8;
  --c-bg-page: #f4f7fa;
  --c-card: #fff;
  --c-border: #dce6ed;
  --c-border-light: #e6edf2;
  --c-border-lighter: #edf2f5;
  --c-text: #142238;
  --c-text-regular: #526277;
  --c-text-secondary: #7f8da0;
  --c-text-placeholder: #aeb9c4;
  --c-success: #49af79;
  --c-success-light: #dff5e9;
  --c-success-bg: #edf9f3;
  --c-warning: #e99a43;
  --c-warning-light: #ffedd9;
  --c-warning-bg: #fff7ee;
  --c-danger: #e76c79;
  --c-danger-light: #ffe0e3;
  --c-danger-bg: #fff0f1;
  --c-primary-text: #123652;
  --radius-xs: 9px;
  --radius-sm: 12px;
  --radius: 18px;
  --radius-lg: 24px;
  --shadow-sm: 0 7px 22px rgba(30, 65, 93, .055);
  --shadow: 0 16px 42px rgba(30, 65, 93, .085);
  --shadow-md: 0 24px 70px rgba(26, 58, 84, .13);
  --font-family: "Noto Sans SC", "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
  background:
    radial-gradient(circle at 92% 8%, rgba(143, 211, 248, .2), transparent 25rem),
    var(--c-bg-page);
  font-size: 15px;
}

.container { max-width: 1180px; padding: 0 32px 72px; }
.header {
  display: flex;
  align-items: center;
  gap: 13px;
  text-align: left;
  padding: 30px 0 26px;
}
.brand-chip {
  width: 46px; height: 46px; border-radius: 15px;
  display: grid; place-items: center;
  background: linear-gradient(140deg, #83c9f0, #d9f1ff);
  box-shadow: 0 9px 24px rgba(54, 143, 196, .2);
  font: 800 22px/1 Inter; color: #174564;
}
.ui-vector-icon {
  width: 1.15em;
  height: 1.15em;
  display: inline-block;
  object-fit: contain;
  vertical-align: -0.16em;
  color: inherit;
}
.role-icon .ui-vector-icon { width: 30px; height: 30px; }
.back-link .ui-vector-icon, .btn .ui-vector-icon { width: 16px; height: 16px; }
.header h1 { font: 800 18px/1.2 Inter; letter-spacing: -.25px; }
.header .sub { font: 700 9px/1.4 Inter; letter-spacing: 1.35px; margin-top: 4px; color: #7790a2; }

.role-cards {
  max-width: none; min-height: 660px;
  grid-template-columns: 1.15fr .85fr; gap: 20px; align-items: stretch;
}
.role-card {
  text-align: left; padding: 42px; border: 0; border-radius: 28px;
  display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 520px; box-shadow: var(--shadow); overflow: hidden; position: relative;
}
.role-card:first-child { background: #fff; }
.role-card:last-child { background: linear-gradient(145deg, #bfe8ff, #eef9ff); }
.role-card::before {
  content: ""; position: absolute; width: 280px; height: 280px; border-radius: 50%;
  right: -70px; top: -70px; border: 48px solid rgba(143, 211, 248, .18);
}
.role-card:last-child::before { border-color: rgba(255,255,255,.52); }
.role-card .role-icon {
  position: absolute; left: 42px; top: 42px; width: 64px; height: 64px;
  display: grid; place-items: center; border-radius: 20px; color: var(--c-primary-dark);
  background: var(--c-primary-light);
}
.role-card .label { font-size: 30px; letter-spacing: -.6px; }
.role-card .role-hint { font-size: 14px; margin-top: 9px; }
.role-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.back-link { margin-bottom: 18px; padding: 8px 12px; border-radius: 10px; }
.back-link:hover { background: white; }
.tabs {
  width: fit-content; min-width: 420px; background: #e9eff4; border: 0;
  padding: 5px; border-radius: 14px; margin-bottom: 24px;
}
.tab { padding: 10px 25px; border-radius: 10px; }
.tab.active { color: var(--c-text); }
.card {
  padding: 28px; border: 1px solid rgba(220,230,237,.86);
  border-radius: 22px; box-shadow: var(--shadow-sm); margin-bottom: 18px;
}
.card h2 { font-size: 18px; margin-bottom: 20px; letter-spacing: -.2px; }
.import-tabs { width: fit-content; min-width: 300px; border-radius: 12px; padding: 4px; }
.import-tab { padding: 9px 20px; }
.textarea { min-height: 120px; padding: 15px 16px; border-radius: 12px; line-height: 1.75; background: #fbfcfd; }
.select, .count-input { border-radius: 11px; min-height: 44px; }

.btn {
  border-radius: 11px; padding: 10px 19px; font-weight: 600;
  letter-spacing: -.1px;
}
.btn-primary {
  background: #173149; color: #fff; border-color: #173149;
  box-shadow: 0 8px 18px rgba(23,49,73,.15);
}
.btn-primary:hover { background: #234660; border-color: #234660; }
.btn-outline { background: #fff; }
.btn-danger { background: var(--c-danger-bg); color: var(--c-danger); border-color: var(--c-danger-light); }

.word-table th { padding: 13px 12px; font-size: 10px; text-transform: uppercase; letter-spacing: .7px; }
.word-table td { padding: 13px 12px; }
.source-badge {
  display: inline-flex; max-width: 170px; padding: 5px 8px; border-radius: 8px;
  background: #edf6fb; color: #39779b; font-size: 10px; font-weight: 600;
  line-height: 1.35;
}
.smart-table-wrap, .word-select-list { border-radius: 14px; }
.test-item { padding: 20px; border-radius: 17px; }
.test-item .title { font-size: 16px; }
.mode-badge { border-radius: 999px; padding: 4px 9px; }

.progress-wrap { max-width: 760px; margin: 34px auto 26px; }
.progress-bar { height: 8px; }
.q-counter { font: 700 11px Inter; letter-spacing: 1px; text-transform: uppercase; }
#view-testing > .card { max-width: 760px; margin: 0 auto; padding: 42px; }
.q-word { font: 800 44px/1.2 Inter; padding: 34px 0 28px; }
.q-word.small { font: 700 28px/1.35 var(--font-family); }
.option-grid { gap: 11px; }
.option-btn {
  padding: 16px 18px; border-radius: 13px; border-width: 1px;
  font-weight: 500;
}
.option-btn:hover { transform: translateY(-1px); }
.speak-btn { width: 60px; height: 60px; background: var(--c-primary-light); border: 0; }
.dict-input { border-radius: 12px; padding: 14px 18px; font-size: 21px; }

.result-hero .big { font: 800 66px/1 Inter; color: #2f82b7; }
.wrong-item { border-radius: 14px; padding: 17px 18px; }
.modal-overlay { backdrop-filter: blur(5px); }
.modal-card { border: 0; border-radius: 24px; padding: 30px; box-shadow: var(--shadow-md); }
.pin-digit { border-radius: 13px; background: #f7fafc; }

/* Library center injected by library-center.js */
.library-center-card {
  background: #10253a; color: #fff; border: 0; padding: 0; overflow: hidden;
}
.library-hero { display: flex; justify-content: space-between; gap: 24px; padding: 30px; }
.library-kicker { font: 800 10px Inter; letter-spacing: 1.4px; color: #7ccbf6; }
.library-hero h2 { font-size: 24px; margin: 8px 0 8px; color: #fff; }
.library-hero p { color: #aebdca; font-size: 13px; margin: 0; max-width: 650px; }
.library-summary {
  flex-shrink: 0; display: flex; align-items: center; gap: 10px;
  background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.08);
  padding: 13px 16px; border-radius: 15px;
}
.library-summary strong, .library-summary small { display: block; }
.library-summary strong { font: 800 19px Inter; }.library-summary small { color: #aebdca; font-size: 10px; }
.library-filters {
  display: flex; gap: 8px; padding: 0 30px 18px; overflow-x: auto;
}
.library-filter {
  border: 1px solid rgba(255,255,255,.12); background: transparent; color: #aebdca;
  padding: 8px 13px; border-radius: 99px; cursor: pointer; white-space: nowrap;
}
.library-filter.active { background: #fff; color: #10253a; }
.library-grid {
  display: grid; grid-template-columns: repeat(3,1fr); gap: 12px;
  padding: 20px; background: #edf3f7;
}
.library-pack {
  background: white; color: var(--c-text); padding: 20px; border-radius: 17px;
  display: flex; flex-direction: column; min-height: 208px;
}
.library-pack-top { display: flex; align-items: center; justify-content: space-between; }
.library-pack-icon {
  width: 43px; height: 43px; display: grid; place-items: center;
  border-radius: 13px; background: var(--c-primary-light); font-size: 21px;
}
.library-pack-icon .ui-vector-icon { width: 23px; height: 23px; }
.library-pack-tag { padding: 4px 8px; border-radius: 99px; background: #edf8f3; color: #3d9669; font-size: 9px; font-weight: 700; }
.library-pack h3 { font-size: 15px; margin: 16px 0 6px; }
.library-pack p { color: var(--c-text-secondary); font-size: 11px; margin: 0; min-height: 34px; }
.library-pack-meta { font-size: 11px; margin: 14px 0; color: var(--c-text-regular); }
.library-pack .btn { margin-top: auto; width: 100%; }
#curriculum-library-slot { grid-column: 1 / -1; }
.curriculum-inline {
  background: #fff; color: var(--c-text); border-radius: 17px; overflow: hidden;
  box-shadow: inset 0 0 0 1px rgba(27, 49, 68, .04);
}
.curriculum-inline .curriculum-head { padding: 22px 24px 18px; }
.curriculum-inline .curriculum-head h3 { margin: 14px 0 5px; font-size: 18px; }
.curriculum-inline .curriculum-head p { min-height: 0; font-size: 11px; }
.curriculum-inline .catalog-toolbar { padding: 0 24px 18px; }
.curriculum-inline .book-meta { padding: 18px 24px 11px; }
.curriculum-inline .unit-check-list { padding: 0 24px 18px; }
.unit-check.ready-unit { cursor: pointer; background: #fff; }
.unit-check.ready-unit:hover { border-color: #7fbfa0; background: #f7fcf9; }
.unit-check.ready-unit em { color: #347e5a; background: #eaf7ef; }
.curriculum-actions {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 15px 24px; background: #f5f9fc; border-top: 1px solid var(--c-border-lighter);
  font-size: 11px;
}
.curriculum-actions label { display: flex; align-items: center; gap: 7px; cursor: pointer; }
.curriculum-actions input { width: 16px; height: 16px; }
.library-note {
  grid-column: 1/-1; border: 1px dashed #c7d6e0; background: rgba(255,255,255,.52);
  color: #6d7d8d; padding: 12px 15px; border-radius: 12px; font-size: 11px;
}
.curriculum-catalog-card { padding: 0; overflow: hidden; }
.curriculum-head {
  display: flex; justify-content: space-between; gap: 20px; align-items: flex-start;
  padding: 27px 29px 22px;
}
.curriculum-head h2 { margin: 7px 0 7px; font-size: 21px; }
.curriculum-head p { margin: 0; color: var(--c-text-secondary); font-size: 12px; }
.catalog-status {
  padding: 7px 10px; border-radius: 99px; background: #edf8f3; color: #3c8d65;
  font-size: 10px; font-weight: 700; white-space: nowrap;
}
.catalog-toolbar {
  display: flex; justify-content: space-between; gap: 16px; padding: 0 29px 20px;
  border-bottom: 1px solid var(--c-border-lighter);
}
.grade-tabs, .term-tabs { display: flex; gap: 6px; }
.grade-tab, .term-tab {
  border: 1px solid var(--c-border); background: #fff; padding: 8px 13px;
  border-radius: 9px; color: var(--c-text-secondary); cursor: pointer;
}
.grade-tab.active, .term-tab.active { background: #173149; color: #fff; border-color: #173149; }
.book-meta { display: flex; align-items: baseline; gap: 10px; padding: 20px 29px 12px; }
.book-meta strong { font-size: 16px; }.book-meta span { font-size: 11px; color: var(--c-text-secondary); }
.unit-check-list { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; padding: 0 29px 23px; }
.unit-check {
  border: 1px solid var(--c-border-light); border-radius: 12px; padding: 12px;
  display: flex; align-items: center; gap: 10px; color: var(--c-text);
}
.unit-check.pending { background: #fafcfd; }
.unit-check input { width: 16px; height: 16px; }
.unit-check span { min-width: 0; flex: 1; }
.unit-check strong, .unit-check small { display: block; }
.unit-check strong { font-size: 12px; }.unit-check small { margin-top: 3px; color: var(--c-text-secondary); font-size: 9px; }
.unit-check em { font-style: normal; font-size: 9px; color: #a17842; background: #fff5e8; padding: 4px 7px; border-radius: 99px; }
.catalog-source-note {
  background: #f5f9fc; color: #617488; padding: 14px 29px; font-size: 10px; line-height: 1.65;
}
.catalog-source-note strong { color: #3e556b; }

/* Search, filter, pagination and focused test composition */
.data-filter-bar {
  display: grid; grid-template-columns: minmax(180px, 1.45fr) repeat(4, minmax(120px, 1fr));
  gap: 8px; padding: 14px; margin: 4px 0 10px; border-radius: 14px;
  background: #f5f9fc; border: 1px solid var(--c-border-lighter);
}
.data-filter-bar input, .data-filter-bar select {
  width: 100%; min-width: 0; height: 38px; padding: 0 10px; border: 1px solid var(--c-border);
  border-radius: 9px; background: #fff; color: var(--c-text); font: 12px/1.2 inherit;
}
.data-filter-bar input:focus, .data-filter-bar select:focus { outline: none; border-color: var(--c-primary); }
.filtered-actions { display: flex; justify-content: flex-end; margin: 8px 0 12px; }
.table-scroll { overflow-x: auto; }
.cell-sub { display: block; margin-top: 4px; color: var(--c-text-secondary); font-size: 10px; font-weight: 400; }
.wrong-count-pill { display: inline-block; white-space: nowrap; padding: 4px 7px; border-radius: 99px; background: #fff4e8; color: #a0652c; font-size: 10px; }
.row-actions { white-space: nowrap; }
.data-pager { display: flex; align-items: center; justify-content: center; gap: 12px; margin-top: 15px; font-size: 11px; color: var(--c-text-secondary); }
.data-pager button, .count-presets button {
  border: 1px solid var(--c-border); background: #fff; color: var(--c-text-secondary);
  border-radius: 8px; padding: 7px 11px; cursor: pointer;
}
.data-pager label { display: flex; align-items: center; gap: 5px; }
.data-pager select { border: 1px solid var(--c-border); border-radius: 7px; background: #fff; padding: 5px 7px; color: var(--c-text-secondary); }
.data-pager button:disabled { opacity: .4; cursor: default; }
.count-presets { display: flex; gap: 7px; margin-top: 9px; }
.count-presets button:hover, .data-pager button:not(:disabled):hover { border-color: var(--c-primary); color: var(--c-primary); }
.selection-context { margin-bottom: 10px; padding: 10px 12px; border-radius: 10px; background: #f5f9fc; color: var(--c-text-secondary); font-size: 11px; }
.select-all-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 8px 0; color: var(--c-text-secondary); font-size: 11px; }
.select-all-row > div { display: flex; gap: 5px; }
.word-select-item .ws-meta { margin-left: auto; max-width: 50%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--c-text-placeholder); font-size: 10px; }
.error-item .cell-sub { margin-top: 5px; }
.word-section-nav {
  position: sticky; top: 10px; z-index: 30; display: flex; gap: 6px; margin: 0 0 16px;
  padding: 7px; overflow-x: auto; border: 1px solid rgba(197, 211, 221, .8);
  border-radius: 15px; background: rgba(245, 249, 252, .94); box-shadow: 0 10px 28px rgba(29, 49, 68, .08);
  backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px);
}
.word-section-nav button {
  flex: 1 0 auto; min-width: 126px; border: 0; border-radius: 10px; background: transparent;
  padding: 10px 14px; color: var(--c-text-secondary); font: 600 12px/1.2 inherit; cursor: pointer;
}
.word-section-nav button.active { color: #fff; background: #173149; box-shadow: 0 5px 13px rgba(23, 49, 73, .18); }
.section-count { display: inline-grid; place-items: center; min-width: 20px; height: 20px; margin-left: 5px; padding: 0 5px; border-radius: 99px; background: rgba(23,49,73,.08); font-size: 9px; }
.word-section-nav button.active .section-count { background: rgba(255,255,255,.18); }
.row-actions { display: flex; align-items: center; gap: 14px; }
.test-actions { flex-shrink: 0; text-align: right; }
.test-action-row { display: flex; align-items: center; justify-content: flex-end; gap: 14px; margin-top: 9px; }
.btn-danger-outline { background: #fff; color: #d34b4b; border-color: #e79a9a; }
.btn-danger-outline:hover { background: #fff3f3; color: #bd3636; border-color: #d96868; }
.mode-badge.paper { background: #e8f4fd; color: #28769c; }

.test-archive-card { padding: 26px; }
.test-archive-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.test-archive-heading h2 { margin: 4px 0 0; }
.test-archive-heading .word-count { margin: 0; }
.test-filter-bar { display: grid; grid-template-columns: repeat(4,minmax(135px,1fr)); gap: 10px; padding: 12px; margin-bottom: 14px; border: 1px solid #e3edf3; border-radius: 14px; background: #f4f8fb; }
.test-table-wrap { overflow-x: auto; }
.test-table { width: 100%; min-width: 840px; border-collapse: collapse; font-size: 13px; }
.test-table th { padding: 12px 10px; border-bottom: 1px solid #e5edf2; text-align: left; color: var(--c-text-secondary); font-size: 10px; font-weight: 700; letter-spacing: .6px; text-transform: uppercase; }
.test-table td { padding: 14px 10px; border-bottom: 1px solid #ebf0f4; vertical-align: middle; }
.test-table td:last-child { text-align: right; }
.test-actions-row { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.test-pager { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-top: 16px; color: var(--c-text-secondary); font-size: 12px; }
.test-pager-actions { display: flex; align-items: center; gap: 8px; }
.test-pager .btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.paper-grade-card { max-width: 880px; margin: 0 auto; }
.paper-grade-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 20px; }
.paper-grade-heading h2 { margin: 4px 0 0; font-size: 24px; }
.paper-grade-stats { flex-shrink: 0; padding: 10px 13px; border-radius: 12px; background: #eef6fb; color: #315f7b; font-size: 12px; font-weight: 700; }
.paper-grade-list { display: flex; flex-direction: column; gap: 10px; }
.paper-grade-item { padding: 15px 17px; border: 1px solid #e5edf2; border-radius: 14px; background: #fff; }
.paper-grade-question { color: var(--c-text); font-size: 14px; }
.paper-grade-answer { margin-top: 5px; color: #258258; font-size: 15px; font-weight: 700; }
.paper-grade-controls { display: flex; gap: 8px; margin-top: 11px; flex-wrap: wrap; }
.paper-status { display: inline-flex; align-items: center; gap: 6px; padding: 6px 11px; border: 1px solid #dbe5eb; border-radius: 999px; color: var(--c-text-secondary); font-size: 12px; cursor: pointer; }
.paper-status:has(input:checked) { border-color: #83c6ea; background: #eef8fd; color: #214c66; }
.paper-status input { accent-color: #2f82b7; }
.paper-grade-footer { display: flex; justify-content: flex-end; gap: 12px; margin-top: 20px; }

@media (max-width: 820px) {
  .container { padding: 0 18px 50px; }
  .role-cards { grid-template-columns: 1fr; min-height: auto; }
  .role-card { min-height: 320px; padding: 28px; }
  .role-card .role-icon { left: 28px; top: 28px; }
  .tabs { width: 100%; min-width: 0; }
  .library-hero { flex-direction: column; }
  .library-summary { align-self: flex-start; }
  .library-grid { grid-template-columns: 1fr 1fr; }
  .unit-check-list { grid-template-columns: 1fr; }
  .catalog-toolbar { flex-direction: column; }
  .data-filter-bar { grid-template-columns: 1fr 1fr; }
  .test-filter-bar { grid-template-columns: 1fr 1fr; }
  .paper-grade-heading { flex-direction: column; }
}
@media (max-width: 540px) {
  .container { padding: 0 13px 42px; }
  .header { padding: 20px 4px; }
  .brand-chip { width: 40px; height: 40px; }
  .role-card { min-height: 280px; }
  .role-card .label { font-size: 25px; }
  .card { padding: 20px; border-radius: 18px; }
  .library-grid { grid-template-columns: 1fr; padding: 14px; }
  .library-hero { padding: 24px 20px; }
  .library-filters { padding-left: 20px; }
  #view-testing > .card { padding: 24px 18px; }
  .q-word { font-size: 34px; }
  .data-filter-bar { grid-template-columns: 1fr; padding: 10px; }
  .select-all-row { align-items: flex-start; flex-direction: column; }
  .word-select-item { align-items: flex-start; flex-wrap: wrap; }
  .word-select-item .ws-meta { width: 100%; max-width: none; margin-left: 26px; }
  .word-section-nav { top: 6px; }
  .word-section-nav button { min-width: 112px; }
  .test-item { align-items: flex-start; }
  .test-filter-bar { grid-template-columns: 1fr; }
  .test-archive-heading, .test-pager { align-items: flex-start; flex-direction: column; }
}