:root {
  --ink: #172321;
  --ink-2: #41514d;
  --muted: #71807c;
  --paper: #f5f7f3;
  --surface: #ffffff;
  --surface-2: #edf1ec;
  --line: #dbe2dc;
  --line-strong: #c7d1ca;
  --teal: #0f766e;
  --teal-dark: #0b5c56;
  --teal-soft: #d9f0eb;
  --coral: #d26043;
  --coral-soft: #fae6df;
  --amber: #b77a13;
  --amber-soft: #f8edce;
  --blue: #355f7a;
  --blue-soft: #e1edf3;
  --danger: #b5473c;
  --danger-soft: #fae7e4;
  --sidebar: #152725;
  --sidebar-2: #213a36;
  --white: #ffffff;
  --shadow-sm: 0 1px 2px rgba(23, 35, 33, 0.06);
  --shadow-md: 0 10px 28px rgba(23, 35, 33, 0.1);
  --shadow-lg: 0 24px 70px rgba(23, 35, 33, 0.16);
  --radius: 8px;
  --radius-lg: 14px;
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", "Source Han Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--font);
  font-size: 15px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  border: 0;
  cursor: pointer;
}

a {
  color: inherit;
  text-decoration: none;
}

svg {
  display: block;
}

.icon {
  width: 18px;
  height: 18px;
  flex: 0 0 auto;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.hidden {
  display: none !important;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  color: var(--white);
  background: var(--teal);
  border-radius: 9px;
  font-family: Georgia, serif;
  font-size: 19px;
  font-weight: 700;
}

.brand-copy {
  display: grid;
  gap: 1px;
  line-height: 1.2;
}

.brand-copy strong {
  font-size: 16px;
}

.brand-copy small {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.btn {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: var(--surface-2);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.2;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

.btn:focus-visible,
.nav-item:focus-visible,
.option:focus-within,
.question-map button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.2);
  outline-offset: 2px;
}

.btn-primary {
  color: var(--white);
  background: var(--teal);
  box-shadow: 0 7px 18px rgba(15, 118, 110, 0.18);
}

.btn-primary:hover {
  background: var(--teal-dark);
  box-shadow: 0 9px 22px rgba(15, 118, 110, 0.24);
}

.btn-accent {
  color: var(--white);
  background: var(--coral);
  box-shadow: 0 7px 18px rgba(210, 96, 67, 0.2);
}

.btn-accent:hover {
  background: #b94e34;
}

.btn-secondary {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line-strong);
}

.btn-ghost {
  color: var(--ink-2);
  background: transparent;
}

.btn-ghost:hover {
  color: var(--teal);
  background: var(--teal-soft);
}

.btn-danger {
  color: var(--danger);
  background: var(--danger-soft);
}

.btn-sm {
  min-height: 34px;
  padding: 7px 11px;
  font-size: 13px;
}

.btn-lg {
  min-height: 50px;
  padding: 13px 22px;
  font-size: 16px;
}

.btn-icon {
  width: 38px;
  min-height: 38px;
  padding: 0;
}

.btn:disabled {
  cursor: not-allowed;
  opacity: 0.58;
  transform: none;
}

.field {
  display: grid;
  gap: 7px;
}

.field label,
.field-label {
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 700;
}

.field input,
.field select,
.field textarea,
.control {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.field input:hover,
.field select:hover,
.field textarea:hover,
.control:hover {
  border-color: #a8b8b0;
}

.field textarea {
  min-height: 112px;
  resize: vertical;
}

.field-hint {
  color: var(--muted);
  font-size: 12px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.form-grid .span-2 {
  grid-column: span 2;
}

/* ===== 年级单选题（L01-L12） ===== */
.grade-group {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface-2);
}

.grade-group:focus-visible,
.grade-group:focus {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}

.grade-option {
  display: flex;
  min-height: 40px;
  align-items: center;
  justify-content: center;
  padding: 6px 4px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink-2);
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease, color 0.15s ease,
    box-shadow 0.15s ease, transform 0.15s ease;
}

.grade-option:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.grade-option.is-active {
  border-color: var(--teal);
  background: var(--teal);
  color: #ffffff;
  box-shadow: 0 2px 10px rgba(15, 118, 110, 0.24);
}

.grade-option:focus-visible {
  outline: 2px solid var(--teal-dark);
  outline-offset: 2px;
}

.check-row {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: var(--muted);
  font-size: 12px;
}

.check-row input {
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  accent-color: var(--teal);
}

.link {
  color: var(--teal);
  font-weight: 700;
}

.tag {
  display: inline-flex;
  min-height: 25px;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.tag-teal {
  color: var(--teal-dark);
  background: var(--teal-soft);
}

.tag-coral {
  color: #9e3f28;
  background: var(--coral-soft);
}

.tag-amber {
  color: #80540b;
  background: var(--amber-soft);
}

.tag-blue {
  color: var(--blue);
  background: var(--blue-soft);
}

.tag-danger {
  color: var(--danger);
  background: var(--danger-soft);
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: currentColor;
}

.page-shell {
  min-height: 100vh;
}

.public-header {
  position: relative;
  z-index: 20;
  display: flex;
  min-height: 72px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px max(24px, calc((100vw - 1180px) / 2));
  border-bottom: 1px solid rgba(23, 35, 33, 0.08);
  background: rgba(255, 255, 255, 0.96);
}

.public-header .header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 700;
}

.text-link:hover {
  color: var(--teal);
}

.entry-layout {
  display: grid;
  min-height: calc(100vh - 72px);
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.75fr);
}

.entry-layout > * {
  min-width: 0;
}

.entry-story {
  position: relative;
  display: flex;
  overflow: hidden;
  align-items: center;
  padding: 72px max(48px, calc((100vw - 1180px) / 2));
  padding-right: 68px;
  color: var(--white);
  background: var(--sidebar);
}

.entry-story::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 42px 42px;
  content: "";
  mask-image: linear-gradient(100deg, #000 35%, transparent 92%);
}

.entry-story-inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 570px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: #bce6de;
  font-size: 13px;
  font-weight: 800;
}

.eyebrow::before {
  width: 24px;
  height: 2px;
  background: #7ac8bb;
  content: "";
}

.entry-story h1 {
  max-width: 560px;
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: 52px;
  font-weight: 700;
  letter-spacing: 0;
  line-height: 1.18;
}

.entry-story h1 span {
  color: #8ed4c8;
}

.entry-story .lead {
  max-width: 520px;
  margin: 24px 0 0;
  color: #bdcac7;
  font-size: 17px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.assessment-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 42px;
}

.assessment-fact {
  min-height: 88px;
  padding: 14px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.045);
}

.assessment-fact strong {
  display: block;
  margin-bottom: 4px;
  color: var(--white);
  font-size: 19px;
}

.assessment-fact span {
  color: #9fb0ac;
  font-size: 12px;
  line-height: 1.4;
}

.entry-panel {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px;
  background: var(--surface);
}

.entry-card {
  width: min(100%, 470px);
}

.entry-card h2 {
  margin: 0 0 8px;
  font-size: 28px;
  line-height: 1.3;
}

.entry-card > p {
  margin: 0 0 26px;
  color: var(--muted);
}

.form-stack {
  display: grid;
  gap: 17px;
}

.recognition-card {
  display: none;
  gap: 12px;
  margin-bottom: 18px;
  padding: 14px;
  border: 1px solid #b8ddd5;
  border-radius: var(--radius);
  background: #f1fbf8;
}

.recognition-card.visible {
  display: flex;
}

.recognition-avatar {
  display: grid;
  width: 42px;
  height: 42px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
  font-weight: 800;
}

.recognition-card strong {
  display: block;
  margin-bottom: 2px;
}

.recognition-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 12px;
}

.process-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin: 28px 0 0;
}

.process-step {
  position: relative;
  padding-top: 12px;
  color: var(--muted);
  font-size: 11px;
}

.process-step::before {
  position: absolute;
  top: 3px;
  left: 0;
  width: calc(100% - 6px);
  height: 3px;
  border-radius: 4px;
  background: var(--line);
  content: "";
}

.process-step.active {
  color: var(--teal);
  font-weight: 700;
}

.process-step.active::before {
  background: var(--teal);
}

.quiet-note {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
}

.privacy-panel {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: rgba(15, 26, 24, 0.62);
  backdrop-filter: blur(5px);
}

.privacy-panel.open {
  display: flex;
}

.modal {
  width: min(100%, 680px);
  max-height: min(84vh, 760px);
  overflow: auto;
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-lg);
}

.modal-header {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.modal-header h3 {
  margin: 0;
  font-size: 20px;
}

.modal-subtitle {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.modal-body {
  padding: 22px;
}

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 16px 22px;
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.session-roster-modal,
.notification-modal {
  width: min(100%, 620px);
}

.roster-list {
  display: grid;
  gap: 10px;
}

.roster-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.roster-item > div {
  min-width: 0;
}

.roster-item strong,
.roster-item div span {
  display: block;
}

.roster-item strong {
  font-size: 13px;
}

.roster-item div span {
  margin-top: 3px;
  color: var(--muted);
  font-size: 11px;
}

.notification-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.notification-item + .notification-item {
  margin-top: 10px;
}

.notification-item > div {
  min-width: 0;
}

.notification-item strong {
  display: block;
  font-size: 13px;
}

.notification-item p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.55;
}

.notification-item-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--coral);
  box-shadow: 0 0 0 5px rgba(240, 106, 79, 0.1);
}

.empty-state {
  display: grid;
  justify-items: center;
  gap: 6px;
  padding: 40px 20px;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  color: var(--muted);
  text-align: center;
}

.empty-state strong {
  color: var(--ink);
  font-size: 14px;
}

.empty-state span {
  max-width: 420px;
  font-size: 12px;
  line-height: 1.6;
}

.rich-copy h4 {
  margin: 22px 0 8px;
  font-size: 15px;
}

.rich-copy p,
.rich-copy li {
  color: var(--ink-2);
  font-size: 13px;
}

/* Assessment */
.assessment-page {
  background: #f2f5f1;
}

.assessment-header {
  position: sticky;
  z-index: 40;
  top: 0;
  display: grid;
  min-height: 70px;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 18px;
  padding: 10px 24px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.assessment-header-center {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}

.timer {
  display: inline-flex;
  min-width: 92px;
  min-height: 38px;
  align-items: center;
  justify-content: center;
  gap: 7px;
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  font-variant-numeric: tabular-nums;
  font-weight: 800;
}

.timer.warning {
  color: var(--danger);
  background: var(--danger-soft);
  border-color: #efc1bb;
}

.assessment-header-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
}

.assessment-layout {
  display: grid;
  width: min(1180px, calc(100% - 40px));
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: 20px;
  align-items: start;
  margin: 24px auto 48px;
}

.question-stage,
.assessment-side {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.question-stage {
  min-height: 610px;
  padding: clamp(22px, 4vw, 44px);
}

.question-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 25px;
}

.question-index {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.question-index strong {
  color: var(--teal);
  font-size: 22px;
}

.question-progress-track {
  height: 7px;
  overflow: hidden;
  margin-bottom: 34px;
  border-radius: 999px;
  background: var(--surface-2);
}

.question-progress-bar {
  width: 5%;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 0.3s ease;
}

.question-title {
  max-width: 720px;
  min-height: 72px;
  margin: 0 0 30px;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(23px, 3vw, 30px);
  line-height: 1.55;
}

.question-title .katex,
.option-text .katex,
.wrong-item .katex {
  font-size: 1em;
}

.question-title .katex-display,
.option-text .katex-display,
.wrong-item .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  margin: 0;
}

.options {
  display: grid;
  gap: 12px;
}

.option {
  position: relative;
  display: flex;
  min-height: 62px;
  align-items: center;
  gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.18s ease, background 0.18s ease, transform 0.18s ease;
}

.option:hover {
  border-color: #90bdb5;
  background: #f8fcfb;
  transform: translateX(2px);
}

.option input {
  position: absolute;
  opacity: 0;
}

.option-key {
  display: grid;
  width: 32px;
  height: 32px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--ink-2);
  background: var(--surface-2);
  font-weight: 800;
}

.option-text {
  flex: 1;
  font-weight: 600;
  overflow-wrap: anywhere;
}

.option.selected {
  border-color: var(--teal);
  background: var(--teal-soft);
}

.option.selected .option-key {
  color: var(--white);
  background: var(--teal);
}

.option.correct {
  border-color: #68aa82;
  background: #e9f7ee;
}

.option.wrong {
  border-color: #df9586;
  background: var(--danger-soft);
}

.fill-answer {
  display: grid;
  max-width: 620px;
  gap: 12px;
}

.fill-blanks {
  display: grid;
  gap: 10px;
}

.fill-blanks.multiple {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.fill-blank {
  display: grid;
  gap: 6px;
}

.fill-blank > span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.formula-keys {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.formula-keys button {
  min-width: 38px;
  height: 34px;
  padding: 0 10px;
  border: 1px solid var(--line-strong);
  border-radius: 6px;
  color: var(--ink-2);
  background: var(--surface);
  font-weight: 800;
}

.formula-keys button:hover {
  border-color: #90bdb5;
  color: var(--teal);
}

.fill-submit-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.fill-input {
  min-height: 58px;
  font-size: 22px;
  font-weight: 800;
  letter-spacing: 0;
}

.question-feedback {
  min-height: 28px;
  margin-top: 16px;
  color: var(--ink-2);
  font-size: 13px;
  font-weight: 700;
}

.question-feedback.success {
  color: var(--teal);
}

.question-feedback.error {
  color: var(--danger);
}

.question-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 40px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.autosave {
  display: flex;
  align-items: center;
  gap: 7px;
  color: var(--muted);
  font-size: 12px;
}

.autosave::before {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4aa67e;
  content: "";
}

.assessment-side {
  position: sticky;
  top: 94px;
  overflow: hidden;
}

.side-section {
  padding: 20px;
  border-bottom: 1px solid var(--line);
}

.side-section:last-child {
  border-bottom: 0;
}

.side-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
  font-size: 13px;
  font-weight: 800;
}

.dimension-list {
  display: grid;
  gap: 12px;
}

.dimension-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr) 28px;
  gap: 9px;
  align-items: center;
  color: var(--ink-2);
  font-size: 12px;
}

.mini-track {
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-2);
}

.mini-track span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
  transition: width 0.25s ease;
}

.question-map {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 7px;
}

.question-map button {
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--muted);
  background: var(--surface);
  font-size: 11px;
  font-weight: 700;
}

.question-map button.answered {
  color: var(--white);
  background: var(--teal);
  border-color: var(--teal);
}

.question-map button.current {
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.18);
}

/* Report */
.report-page {
  background: #f2f5f1;
}

.report-hero {
  position: relative;
  overflow: hidden;
  padding: 42px max(24px, calc((100vw - 1180px) / 2)) 82px;
  color: var(--white);
  background: var(--sidebar);
}

.report-hero::after {
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(142, 212, 200, 0.22);
  border-radius: 50%;
  box-shadow: 0 0 0 60px rgba(142, 212, 200, 0.035), 0 0 0 120px rgba(142, 212, 200, 0.025);
  content: "";
}

.report-hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 32px;
  align-items: end;
}

.report-kicker {
  margin-bottom: 10px;
  color: #8ed4c8;
  font-size: 13px;
  font-weight: 800;
}

.report-hero h1 {
  margin: 0;
  font-family: Georgia, "Songti SC", serif;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.25;
}

.report-subtitle {
  max-width: 680px;
  margin: 14px 0 0;
  color: #bdcac7;
}

.report-score {
  display: grid;
  min-width: 230px;
  justify-items: end;
  text-align: right;
}

.report-score strong {
  color: #8ed4c8;
  font-family: Georgia, serif;
  font-size: 68px;
  line-height: 1;
}

.report-score span {
  margin-top: 7px;
  color: #aab9b6;
  font-size: 12px;
}

.report-level {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.06);
  font-weight: 800;
}

.report-content {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: -48px auto 60px;
}

.report-grid {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 20px;
  align-items: start;
}

.panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.panel-pad {
  padding: 24px;
}

.panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
}

.panel-header h2,
.panel-header h3 {
  margin: 0;
  font-size: 20px;
  line-height: 1.35;
}

.panel-header p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.radar-wrap {
  display: grid;
  min-height: 340px;
  place-items: center;
}

.radar-chart {
  width: min(100%, 390px);
  overflow: visible;
}

.dimension-cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.dimension-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fbfcfa;
}

.dimension-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.dimension-card strong {
  font-size: 15px;
}

.dimension-card p {
  margin: 0;
  color: var(--ink-2);
  font-size: 12px;
  line-height: 1.6;
}

.score-number {
  color: var(--teal);
  font-family: Georgia, serif;
  font-size: 24px;
  font-weight: 700;
}

.action-list {
  display: grid;
  gap: 12px;
}

.action-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.action-number {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--coral);
  font-family: Georgia, serif;
  font-weight: 700;
}

.action-item strong {
  display: block;
  margin-bottom: 3px;
}

.action-item p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
}

.wrong-list {
  display: grid;
  gap: 10px;
}

.wrong-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  padding: 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.wrong-item p {
  margin: 0;
  font-size: 13px;
}

.wrong-item small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
}

.booking-section {
  margin-top: 20px;
  overflow: hidden;
}

.booking-banner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 24px;
  align-items: center;
  padding: 26px 28px;
  color: var(--white);
  background: #24443f;
}

.booking-banner h2 {
  margin: 0 0 6px;
  font-size: 25px;
}

.booking-banner p {
  margin: 0;
  color: #bdcac7;
}

.booking-proof {
  display: flex;
  align-items: center;
  gap: 12px;
}

.avatar-stack {
  display: flex;
}

.avatar-stack span {
  display: grid;
  width: 32px;
  height: 32px;
  margin-left: -8px;
  place-items: center;
  border: 2px solid #24443f;
  border-radius: 50%;
  color: var(--white);
  background: var(--coral);
  font-size: 11px;
  font-weight: 800;
}

.avatar-stack span:first-child {
  margin-left: 0;
}

.booking-body {
  padding: 24px;
}

.session-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.session-card {
  position: relative;
  display: grid;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, transform 0.18s ease;
}

.session-card:hover {
  transform: translateY(-2px);
  border-color: #9ec5bd;
  box-shadow: var(--shadow-md);
}

.session-card.recommended {
  border-color: var(--coral);
  box-shadow: inset 0 3px 0 var(--coral);
}

.recommend-label {
  position: absolute;
  top: -11px;
  right: 14px;
  padding: 4px 9px;
  border-radius: 999px;
  color: var(--white);
  background: var(--coral);
  font-size: 11px;
  font-weight: 800;
}

.session-date {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.session-card h4 {
  margin: 0;
  font-size: 18px;
}

.session-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
}

.session-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}

.booking-success {
  display: none;
  gap: 18px;
  align-items: center;
  padding: 22px;
  border: 1px solid #9acbb9;
  border-radius: var(--radius);
  background: #effaf5;
}

.booking-success.visible {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.success-mark {
  display: grid;
  width: 50px;
  height: 50px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
}

.booking-success h3 {
  margin: 0 0 4px;
}

.booking-success p {
  margin: 0;
  color: var(--ink-2);
  font-size: 13px;
}

.reminder-timeline {
  display: flex;
  gap: 12px;
  margin-top: 9px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

/* Course card */
.course-section {
  margin-top: 20px;
  overflow: hidden;
}

.course-section[hidden] {
  display: none;
}

.course-banner {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 26px 28px;
  background: #24443f;
  color: #f2f6f2;
}

.course-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.course-banner h2 {
  margin: 0;
  font-size: 22px;
  line-height: 1.35;
}

.course-banner p {
  margin: 8px 0 0;
  color: #b9c9c4;
  font-size: 13px;
}

.course-price-box {
  display: grid;
  justify-items: end;
  gap: 2px;
  padding: 14px 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
}

.course-price-label {
  color: #9fb0ac;
  font-size: 11px;
}

.course-price {
  color: #ffffff;
  font-size: 30px;
  line-height: 1.1;
}

.course-price-note {
  color: #cfdad6;
  font-size: 12px;
}

.course-body {
  padding: 24px;
}

.course-body-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.course-body-head h3 {
  margin: 0;
  font-size: 16px;
}

.course-body-head p {
  margin: 6px 0 0;
  max-width: 46ch;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.course-phase-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.course-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
}

.course-chip i {
  color: var(--teal);
  font-style: normal;
}

/* ===== 课程年级选择器（新设计：紧凑、无横向滚动、选中标签前置） ===== */
.course-map {
  margin-top: 16px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f9fbfa;
}
.course-map-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
.course-map-title {
  font-size: 15px;
  font-weight: 800;
  color: var(--text);
}
.course-map-count {
  font-size: 12px;
  font-weight: 700;
  color: var(--teal);
  background: var(--teal-soft);
  padding: 3px 10px;
  border-radius: 999px;
}
.course-map-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 14px;
  min-height: 28px;
}
.course-map-tag {
  display: inline-flex;
  align-items: center;
  padding: 5px 12px;
  border-radius: 999px;
  background: var(--teal);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  box-shadow: 0 1px 2px rgba(15, 118, 110, 0.12);
}
.course-map-tag.is-empty {
  background: var(--surface-2);
  color: var(--muted);
  font-weight: 500;
  box-shadow: none;
}
.course-map-track {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border-radius: 12px;
  background: #fff;
  border: 1px solid var(--line);
}
.course-map-seg {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
}
.course-map-seg-label {
  flex: 0 0 auto;
  width: 36px;
  text-align: left;
  font-size: 13px;
  font-weight: 800;
  color: var(--ink-2);
}
.course-map-seg-dots {
  flex: 1;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-start;
}
.course-map-hint {
  margin-top: 10px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}
.cm-node {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1.5px solid #c7d2cd;
  background: #fff;
  color: #41514d;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color .15s, background .15s, color .15s, transform .12s, box-shadow .15s;
}
.cm-node:hover {
  border-color: var(--teal);
  color: var(--teal);
  transform: translateY(-1px);
}
.cm-node.is-on {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  box-shadow: 0 2px 6px rgba(15, 118, 110, 0.22);
}
.cm-node.is-on:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
}
.cm-node:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
}
@media (max-width: 420px) {
  .cm-node { width: 24px; height: 24px; font-size: 11px; }
  .course-map-seg { gap: 8px; }
  .course-map-seg-label { width: 32px; font-size: 12px; }
  .course-map-seg-dots { gap: 6px; }
  .course-map-track { padding: 12px; }
}
.course-enroll-top-wrap {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 16px;
  padding: 14px 16px;
  border: 1px solid var(--teal-soft);
  border-radius: var(--radius);
  background: var(--teal-soft);
}
.course-enroll-top-btn {
  flex: 0 0 auto;
  white-space: nowrap;
}
.course-enroll-top-note {
  font-size: 12.5px;
  color: var(--teal-dark);
  line-height: 1.5;
}
@media (max-width: 640px) {
  .course-enroll-top-wrap {
    flex-direction: column;
    align-items: stretch;
  }
  .course-enroll-top-btn {
    width: 100%;
  }
}
.course-outline {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 18px;
}

.course-stage {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.course-stage-head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--line-strong);
  cursor: pointer;
  user-select: none;
}
.course-stage-head:hover strong {
  color: var(--teal);
}
.course-stage-head:focus-visible {
  outline: 2px solid var(--teal);
  outline-offset: 2px;
  border-radius: 6px;
}
.course-stage-toggle {
  margin-left: auto;
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--surface-2);
  position: relative;
  transition: transform .2s ease, background .2s ease;
}
.course-stage-toggle::after {
  content: "";
  position: absolute;
  top: 5px;
  left: 5px;
  width: 6px;
  height: 6px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
}
.course-stage.is-open .course-stage-toggle {
  background: var(--teal-soft);
  transform: rotate(180deg);
}
.course-stage.is-open .course-stage-toggle::after {
  border-color: var(--teal);
}

.course-stage-badge {
  display: inline-grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}

.course-stage-head strong {
  flex: 1 1 auto;
  font-size: 14px;
}

.course-stage-count {
  color: var(--muted);
  font-size: 12px;
}

.course-lessons {
  display: none;
  gap: 6px;
  margin-top: 10px;
  max-height: 268px;
  overflow-y: auto;
}
.course-stage.is-open .course-lessons {
  display: grid;
}

.course-lesson {
  display: flex;
  align-items: baseline;
  gap: 8px;
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.5;
}

.course-lesson i {
  flex: 0 0 auto;
  min-width: 20px;
  color: var(--muted);
  font-size: 11px;
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.course-desc {
  margin: 16px 0 0;
  padding: 12px 14px;
  border-left: 3px solid var(--teal);
  border-radius: var(--radius);
  background: var(--teal-soft);
  color: var(--ink-2);
  font-size: 13px;
  line-height: 1.6;
}

.course-desc[hidden] {
  display: none;
}

.course-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  border-top: 1px solid var(--line);
  background: var(--surface-2);
}

.course-cta-copy {
  display: grid;
  gap: 4px;
}

.course-cta-copy strong {
  font-size: 15px;
}

.course-cta-copy span {
  color: var(--muted);
  font-size: 13px;
}

/* ===== 课程区块 · 转化增强 ===== */
.course-match {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 24px;
  background: linear-gradient(135deg, #1f6f63, #2c8f7e);
  color: #eafff8;
}
.course-match-badge {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.18);
  color: #fff;
  font-size: 13px;
  font-weight: 800;
}
.course-match-kicker {
  font-size: 12px;
  opacity: 0.85;
  margin-bottom: 4px;
}
.course-match-kicker b { color: #fff; }
.course-match-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
}
.course-match-text b { color: #fff; }

.course-price-original {
  color: #cfe0db;
  font-size: 12px;
  text-decoration: line-through;
}
.course-price-original[hidden] { display: none; }

.course-values {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  padding: 18px 24px;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}
.course-value {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}
.course-value-t {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
}
.course-value-d {
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.course-trust {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 14px 24px;
  background: #f3f8f5;
  border-top: 1px solid var(--line);
}
.course-trust-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff;
  border: 1px solid #d7e6df;
  color: #1f6f63;
  font-size: 13px;
  font-weight: 700;
}
.course-trust-item i {
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: #1f6f63;
  color: #fff;
  font-size: 11px;
  font-style: normal;
  font-weight: 800;
}
.course-trust-item b { color: #c0392b; }
.course-trust-neutral {
  color: var(--muted);
  background: transparent;
  border-color: transparent;
  font-weight: 500;
}
.course-trust-neutral i { background: var(--muted); }

.course-cta .btn-primary {
  font-size: 16px;
  padding: 14px 28px;
  box-shadow: 0 6px 18px rgba(31, 111, 99, 0.28);
}

/* ===== 年级选择器 ===== */
.package-picker {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 24px;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}

.grade-quick-picks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.grade-quick-btn {
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--ink);
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s, box-shadow .15s;
}

.grade-quick-btn:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.grade-quick-btn.is-active {
  background: var(--teal);
  border-color: var(--teal);
  color: #fff;
  box-shadow: 0 0 0 3px rgba(31, 111, 99, 0.12);
}

.grade-hint {
  margin: 0;
  font-size: 12px;
  color: var(--muted);
}

.package-card {
  position: relative;
  display: grid;
  gap: 8px;
  padding: 14px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
  transition: border-color 0.15s, box-shadow 0.15s, transform 0.1s;
}

.package-card:hover {
  border-color: var(--teal);
}

.package-card.is-active {
  border-color: var(--teal);
  background: #f0faf6;
  box-shadow: 0 0 0 3px rgba(31, 111, 99, 0.12);
}

.package-card::after {
  content: "✓";
  position: absolute;
  top: 8px;
  right: 8px;
  display: grid;
  place-items: center;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--line);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  opacity: 0;
  transition: opacity 0.15s;
}

.package-card.is-active::after {
  background: var(--teal);
  opacity: 1;
}

.package-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  flex-wrap: wrap;
}

.package-card-title {
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
}

.package-card-discount {
  padding: 3px 7px;
  border-radius: 999px;
  background: #c0392b;
  color: #fff;
  font-size: 11px;
  font-weight: 800;
  white-space: nowrap;
}

.package-card-price-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.package-card-price {
  color: #c0392b;
  font-size: 22px;
  line-height: 1;
}

.package-card-original {
  color: var(--muted);
  font-size: 11px;
  text-decoration: line-through;
}

.package-card-hint {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.package-summary {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 24px;
  background: linear-gradient(135deg, #1f6f63, #2c8f7e);
  color: #fff;
}

.package-summary-main {
  display: grid;
  gap: 6px;
  text-align: center;
}

.package-summary-label {
  font-size: 15px;
  font-weight: 700;
  opacity: 0.9;
}

.package-summary-price-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.package-summary-price {
  font-size: 34px;
  font-weight: 800;
  line-height: 1;
}

.package-summary-original {
  font-size: 13px;
  text-decoration: line-through;
  opacity: 0.85;
}

.package-summary-discount {
  padding: 3px 8px;
  border-radius: 999px;
  background: #fff;
  color: #c0392b;
  font-size: 12px;
  font-weight: 800;
}

.package-summary-hint {
  margin: 4px 0 0;
  font-size: 13px;
  opacity: 0.9;
}

/* 课程表图片 */
.course-grade-image {
  margin: 0 0 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.course-grade-image figcaption {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 800;
  color: var(--ink);
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}
.cgi-zoom {
  flex: 0 0 auto;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal-dark);
  font-size: 11px;
  font-weight: 700;
}
.course-grade-image img {
  display: block;
  width: 100%;
  height: auto;
  cursor: zoom-in;
}
.course-grade-image img:focus-visible {
  outline: 3px solid rgba(15, 118, 110, 0.35);
  outline-offset: -3px;
}

/* 课程表大图灯箱 */
body.lb-open {
  overflow: hidden;
}
.img-lightbox {
  position: fixed;
  inset: 0;
  z-index: 900;
  display: flex;
  flex-direction: column;
  background: rgba(9, 17, 15, 0.94);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease;
}
.img-lightbox[hidden] {
  display: none !important;
}
.img-lightbox.is-open {
  opacity: 1;
  pointer-events: auto;
}
.ilb-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  display: grid;
  place-items: center;
  overflow: hidden;
  touch-action: none;
  cursor: zoom-in;
}
.ilb-stage.is-zoomed {
  cursor: grab;
}
.ilb-stage.is-dragging.is-zoomed {
  cursor: grabbing;
}
.ilb-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
  transition: transform 0.18s ease;
  -webkit-user-select: none;
  user-select: none;
  -webkit-user-drag: none;
}
.ilb-stage.is-dragging .ilb-img {
  transition: none;
}
.ilb-close {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 2;
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}
.ilb-close:hover {
  background: rgba(255, 255, 255, 0.28);
}
.ilb-close svg {
  width: 20px;
  height: 20px;
}
.ilb-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px calc(12px + env(safe-area-inset-bottom, 0px));
  background: rgba(0, 0, 0, 0.35);
  color: rgba(255, 255, 255, 0.86);
  font-size: 12px;
}
.ilb-title {
  color: #fff;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}
.ilb-tip {
  opacity: 0.68;
}
.ilb-tools {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: auto;
}
.ilb-btn {
  display: grid;
  min-width: 34px;
  height: 34px;
  padding: 0 8px;
  place-items: center;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  line-height: 1;
}
.ilb-btn:hover {
  background: rgba(255, 255, 255, 0.26);
}
.ilb-btn-text {
  font-size: 12px;
  font-weight: 700;
}
.ilb-scale {
  min-width: 48px;
  text-align: center;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}
@media (max-width: 520px) {
  .ilb-tip {
    display: none;
  }
  .ilb-bar {
    gap: 8px;
    padding: 8px 10px calc(10px + env(safe-area-inset-bottom, 0px));
  }
  .ilb-title {
    font-size: 12px;
  }
}

/* 多年级课程大纲分组 */
.course-grade-block {
  margin-bottom: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  overflow: hidden;
}

.course-grade-block:last-child {
  margin-bottom: 0;
}

.course-grade-head {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--line);
}

.course-grade-head strong {
  font-size: 15px;
  color: var(--ink);
}

.course-grade-note {
  flex: 1 1 auto;
  color: var(--muted);
  font-size: 13px;
}

.course-grade-lessons {
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--teal-soft);
  color: var(--teal);
  font-size: 12px;
  font-weight: 700;
}

.course-grade-outline {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

@media (max-width: 720px) {
  .course-values { grid-template-columns: 1fr; }
  .course-match { flex-direction: column; align-items: flex-start; }
  .course-cta { flex-direction: column; align-items: stretch; }
  .course-cta .btn-primary { width: 100%; }
  .package-summary-price { font-size: 28px; }
  .course-grade-outline { grid-template-columns: 1fr; }
}

@media (max-width: 420px) {
  .grade-quick-btn { padding: 9px 13px; font-size: 12px; }
}

.report-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-top: 18px;
  padding: 18px 0;
  border-top: 1px solid var(--line-strong);
  color: var(--muted);
  font-size: 12px;
}

/* Admin */
.admin-page {
  min-height: 100vh;
  background: #f3f5f1;
}

.admin-login-view {
  display: grid;
  min-height: 100vh;
  align-content: center;
  justify-items: center;
  gap: 22px;
  padding: 28px;
  background:
    linear-gradient(90deg, rgba(15, 118, 110, 0.08) 1px, transparent 1px),
    linear-gradient(rgba(15, 118, 110, 0.08) 1px, transparent 1px),
    #edf1ec;
  background-size: 48px 48px;
}

.admin-login-brand {
  color: var(--ink);
}

.admin-login-panel {
  width: min(420px, 100%);
  padding: 28px;
  border: 1px solid var(--line);
  border-top: 4px solid var(--teal);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-md);
}

.login-kicker {
  margin-bottom: 6px;
  color: var(--teal);
  font-size: 12px;
  font-weight: 800;
}

.admin-login-panel h1 {
  margin: 0;
  font-size: 26px;
  line-height: 1.25;
}

.admin-login-panel > p {
  margin: 8px 0 22px;
  color: var(--muted);
  font-size: 13px;
}

.admin-login-form {
  display: grid;
  gap: 15px;
}

.admin-login-form .field {
  display: grid;
  gap: 6px;
}

.admin-login-form label {
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 750;
}

.admin-login-form input {
  width: 100%;
  height: 44px;
  padding: 0 12px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #fbfcfa;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

.admin-login-form input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.12);
}

.admin-login-form .btn {
  width: 100%;
  margin-top: 2px;
}

.form-error {
  margin: 0;
  padding: 9px 11px;
  border: 1px solid #e8b8b0;
  border-radius: 6px;
  color: var(--danger);
  background: var(--danger-soft);
  font-size: 12px;
}

.admin-login-panel > small {
  display: block;
  margin-top: 18px;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.5;
  text-align: center;
}

.admin-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 248px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  z-index: 50;
  top: 0;
  display: flex;
  height: 100vh;
  flex-direction: column;
  padding: 18px 14px;
  color: #e7efec;
  background: var(--sidebar);
}

.sidebar .brand {
  padding: 4px 8px 20px;
}

.sidebar .brand-mark {
  color: var(--sidebar);
  background: #8ed4c8;
}

.sidebar .brand-copy small {
  color: #8fa5a0;
}

.sidebar-nav {
  display: grid;
  gap: 5px;
  overflow-y: auto;
}

.nav-group-label {
  margin: 15px 10px 4px;
  color: #70847f;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.12em;
}

.nav-item {
  display: flex;
  min-height: 43px;
  align-items: center;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 7px;
  color: #aebfbb;
  font-size: 13px;
  font-weight: 650;
  transition: color 0.16s ease, background 0.16s ease;
}

.nav-item:hover {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
}

.nav-item.active {
  color: var(--white);
  background: var(--sidebar-2);
}

.nav-item .nav-badge {
  min-width: 22px;
  margin-left: auto;
  padding: 2px 6px;
  border-radius: 999px;
  color: #bce6de;
  background: rgba(142, 212, 200, 0.12);
  font-size: 10px;
  text-align: center;
}

.sidebar-bottom {
  display: grid;
  gap: 8px;
  margin-top: auto;
  padding: 12px 8px 2px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-user strong {
  display: block;
  font-size: 12px;
}

.sidebar-user span {
  display: block;
  color: #829590;
  font-size: 10px;
}

.admin-main {
  min-width: 0;
}

.admin-topbar {
  position: sticky;
  z-index: 45;
  top: 0;
  display: flex;
  min-width: 0;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px 26px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.admin-topbar-left {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 12px;
}

.mobile-menu {
  display: none;
}

.admin-search {
  position: relative;
  width: min(380px, 36vw);
  min-width: 0;
}

.admin-search .icon {
  position: absolute;
  top: 50%;
  left: 12px;
  color: var(--muted);
  transform: translateY(-50%);
}

.admin-search input {
  width: 100%;
  height: 40px;
  padding: 8px 12px 8px 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8faf7;
}

.admin-topbar-actions {
  display: flex;
  min-width: 0;
  align-items: center;
  gap: 8px;
}

.admin-grade {
  width: 112px;
  min-height: 38px;
  padding: 7px 10px;
  font-size: 12px;
}

.notification-button {
  position: relative;
}

.notification-button::after {
  position: absolute;
  top: 7px;
  right: 7px;
  width: 7px;
  height: 7px;
  border: 2px solid var(--white);
  border-radius: 50%;
  background: var(--coral);
  content: "";
}

.notification-button.no-alerts::after {
  display: none;
}

.admin-profile {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-left: 4px;
}

.admin-profile-avatar {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.admin-profile-copy {
  line-height: 1.25;
}

.admin-profile-copy strong {
  display: block;
  font-size: 12px;
}

.admin-profile-copy span {
  color: var(--muted);
  font-size: 10px;
}

.admin-content {
  width: min(1500px, 100%);
  padding: 24px 26px 52px;
}

.admin-view {
  display: none;
}

.admin-view.active {
  display: block;
  animation: view-in 0.25s ease both;
}

@keyframes view-in {
  from {
    opacity: 0;
    transform: translateY(5px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.view-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 20px;
}

.view-header h1 {
  margin: 0;
  font-size: 25px;
  line-height: 1.3;
}

.view-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.view-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 9px;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.kpi-card {
  position: relative;
  min-height: 134px;
  overflow: hidden;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.kpi-card::after {
  position: absolute;
  right: -24px;
  bottom: -30px;
  width: 90px;
  height: 90px;
  border-radius: 50%;
  background: var(--teal-soft);
  content: "";
  opacity: 0.7;
}

.kpi-card.coral::after {
  background: var(--coral-soft);
}

.kpi-card.amber::after {
  background: var(--amber-soft);
}

.kpi-card.blue::after {
  background: var(--blue-soft);
}

.kpi-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.kpi-icon {
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border-radius: 6px;
  color: var(--teal);
  background: var(--teal-soft);
}

.kpi-value {
  position: relative;
  z-index: 1;
  margin-top: 12px;
  font-size: 30px;
  font-weight: 850;
  line-height: 1.2;
}

.kpi-foot {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
}

.trend-up {
  color: var(--teal);
  font-weight: 800;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.65fr);
  gap: 16px;
  margin-top: 16px;
}

.dashboard-grid.equal {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dashboard-panel {
  min-width: 0;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.dashboard-panel-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.dashboard-panel-header h2,
.dashboard-panel-header h3 {
  margin: 0;
  font-size: 16px;
}

.dashboard-panel-header p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 11px;
}

.funnel {
  display: grid;
  gap: 10px;
}

.funnel-row {
  display: grid;
  grid-template-columns: 74px minmax(0, 1fr) 58px;
  gap: 10px;
  align-items: center;
}

.funnel-label {
  color: var(--ink-2);
  font-size: 12px;
  font-weight: 700;
}

.funnel-track {
  position: relative;
  height: 28px;
  overflow: hidden;
  border-radius: 5px;
  background: #f0f3ef;
}

.funnel-bar {
  height: 100%;
  min-width: 4px;
  border-radius: inherit;
  background: var(--teal);
  transition: width 0.45s ease;
}

.funnel-row:nth-child(2) .funnel-bar {
  background: #287c76;
}

.funnel-row:nth-child(3) .funnel-bar {
  background: #428c85;
}

.funnel-row:nth-child(4) .funnel-bar {
  background: var(--coral);
}

.funnel-row:nth-child(5) .funnel-bar {
  background: #d98942;
}

.funnel-row:nth-child(6) .funnel-bar {
  background: var(--amber);
}

.funnel-value {
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  font-weight: 800;
  text-align: right;
}

.funnel-rate {
  margin-left: 6px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 600;
}

.chart-shell {
  position: relative;
  min-height: 230px;
}

.chart-shell svg {
  width: 100%;
  height: 220px;
  overflow: visible;
}

.chart-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 6px;
  color: var(--muted);
  font-size: 11px;
}

.chart-legend span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.legend-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.data-table-wrap {
  overflow-x: auto;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}

.data-table th {
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
  text-align: left;
}

.data-table td {
  padding: 14px 12px;
  border-bottom: 1px solid #edf0ec;
  font-size: 12px;
}

.data-table tbody tr {
  transition: background 0.15s ease;
}

.data-table tbody tr:hover {
  background: #f8faf7;
}

.data-table tbody tr:last-child td {
  border-bottom: 0;
}

.question-stem-cell {
  max-width: 360px;
  overflow: hidden;
  text-overflow: ellipsis;
}

.question-stem-cell .katex {
  font-size: 1em;
}

.person-cell {
  display: flex;
  align-items: center;
  gap: 9px;
}

.person-avatar {
  display: grid;
  width: 34px;
  height: 34px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.person-copy {
  line-height: 1.3;
}

.person-copy strong {
  display: block;
  font-size: 12px;
}

.person-copy span {
  color: var(--muted);
  font-size: 10px;
}

.score-pill {
  display: inline-flex;
  min-width: 48px;
  justify-content: center;
  padding: 3px 7px;
  border-radius: 5px;
  color: var(--teal-dark);
  background: var(--teal-soft);
  font-weight: 800;
}

.session-list {
  display: grid;
  gap: 11px;
}

.session-list-item {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
}

.session-date-block {
  padding: 8px 5px;
  border-radius: var(--radius);
  color: var(--coral);
  background: var(--coral-soft);
  text-align: center;
}

.session-date-block strong {
  display: block;
  font-size: 20px;
  line-height: 1;
}

.session-date-block span {
  font-size: 10px;
  font-weight: 700;
}

.session-list-copy h4 {
  margin: 0 0 3px;
  font-size: 13px;
}

.session-list-copy p {
  margin: 0;
  color: var(--muted);
  font-size: 10px;
}

.progress-inline {
  height: 5px;
  overflow: hidden;
  margin-top: 7px;
  border-radius: 999px;
  background: var(--surface-2);
}

.progress-inline span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  align-items: center;
  margin-bottom: 14px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.filter-bar .control {
  width: auto;
  min-width: 128px;
  min-height: 38px;
  padding: 8px 10px;
  font-size: 12px;
}

.filter-bar .search-control {
  min-width: 230px;
}

.filter-spacer {
  flex: 1;
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  color: var(--muted);
  font-size: 11px;
}

.drawer-backdrop {
  position: fixed;
  z-index: 120;
  inset: 0;
  display: none;
  background: rgba(13, 24, 22, 0.45);
}

.drawer-backdrop.open {
  display: block;
}

.side-drawer {
  position: fixed;
  z-index: 130;
  top: 0;
  right: 0;
  width: min(520px, 94vw);
  height: 100vh;
  overflow: auto;
  background: var(--surface);
  box-shadow: -20px 0 60px rgba(17, 30, 27, 0.18);
  transform: translateX(102%);
  transition: transform 0.25s ease;
}

.side-drawer.open {
  transform: none;
}

.drawer-header {
  position: sticky;
  z-index: 2;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.drawer-header h3 {
  margin: 0;
  font-size: 18px;
}

.drawer-body {
  padding: 20px;
}

.drawer-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-bottom: 18px;
}

.drawer-stat {
  padding: 12px;
  border-radius: var(--radius);
  background: var(--surface-2);
}

.drawer-stat span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 10px;
}

.drawer-stat strong {
  font-size: 16px;
}

.talk-point {
  padding: 14px;
  border-left: 3px solid var(--coral);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: #fff8f5;
  color: var(--ink-2);
  font-size: 13px;
}

.answer-replay {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.answer-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 11px;
}

.session-admin-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.admin-session-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.admin-session-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.admin-session-date {
  color: var(--coral);
  font-size: 12px;
  font-weight: 800;
}

.admin-session-card h3 {
  margin: 7px 0 3px;
  font-size: 17px;
}

.admin-session-card p {
  margin: 0;
  color: var(--muted);
  font-size: 11px;
}

.admin-session-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

.admin-session-stats span {
  padding: 9px;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--muted);
  font-size: 10px;
  text-align: center;
}

.admin-session-stats strong {
  display: block;
  color: var(--ink);
  font-size: 15px;
}

.question-bank-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(330px, 0.7fr);
  gap: 16px;
  align-items: start;
}

.quick-create {
  position: sticky;
  top: 88px;
}

.quick-create .modal-body,
.quick-create form {
  padding: 0;
}

.parse-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 14px;
  padding: 4px;
  border-radius: var(--radius);
  background: var(--surface-2);
}

.parse-tab {
  flex: 1;
  min-height: 34px;
  border-radius: 6px;
  color: var(--muted);
  background: transparent;
  font-size: 11px;
  font-weight: 750;
}

.parse-tab.active {
  color: var(--ink);
  background: var(--surface);
  box-shadow: var(--shadow-sm);
}

.import-zone {
  display: grid;
  min-height: 180px;
  place-items: center;
  padding: 24px;
  border: 1px dashed #9cb8b1;
  border-radius: var(--radius);
  background: #f8fbf9;
  text-align: center;
}

.import-zone .icon {
  width: 34px;
  height: 34px;
  margin: 0 auto 10px;
  color: var(--teal);
}

.import-zone h3 {
  margin: 0 0 5px;
  font-size: 15px;
}

.import-zone p {
  margin: 0 0 14px;
  color: var(--muted);
  font-size: 11px;
}

.user-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.user-card {
  display: grid;
  gap: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.user-card-disabled {
  background: #f7f8f7;
}

.user-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.user-identity {
  display: flex;
  align-items: center;
  gap: 10px;
}

.user-identity h3 {
  margin: 0;
  font-size: 14px;
}

.user-identity p {
  margin: 1px 0 0;
  color: var(--muted);
  font-size: 10px;
}

.account-login-time {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 9px 10px;
  border-radius: var(--radius);
  color: var(--muted);
  background: var(--surface-2);
  font-size: 11px;
}

.account-login-time .icon {
  width: 14px;
  height: 14px;
  color: var(--teal);
}

.permission-list {
  display: grid;
  gap: 8px;
}

.permission-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink-2);
  font-size: 11px;
}

.user-card-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.user-card-actions .btn {
  flex: 1 1 112px;
}

.account-modal {
  width: min(100%, 520px);
}

.account-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.account-summary strong,
.account-summary span {
  display: block;
}

.account-summary strong {
  font-size: 14px;
}

.account-summary div > span {
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.account-help {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.6;
}

.toast-stack {
  position: fixed;
  z-index: 200;
  right: 20px;
  bottom: 20px;
  display: grid;
  width: min(360px, calc(100% - 40px));
  gap: 9px;
}

.toast {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 13px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow-md);
  animation: toast-in 0.25s ease both;
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
}

.toast-icon {
  display: grid;
  width: 28px;
  height: 28px;
  place-items: center;
  border-radius: 50%;
  color: var(--white);
  background: var(--teal);
}

.toast.error .toast-icon {
  background: var(--danger);
}

.toast strong {
  display: block;
  font-size: 12px;
}

.toast span {
  color: var(--muted);
  font-size: 10px;
}

.toast button {
  color: var(--muted);
  background: transparent;
  font-size: 18px;
}

@media (max-width: 1180px) {
  .entry-story {
    padding-left: 42px;
  }

  .admin-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .session-admin-grid,
  .user-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 980px) {
  .entry-layout {
    grid-template-columns: 1fr;
  }

  .entry-story {
    min-height: 470px;
    padding: 56px 36px;
  }

  .entry-story h1 {
    font-size: 42px;
  }

  .entry-panel {
    padding: 46px 28px 64px;
  }

  .assessment-layout {
    grid-template-columns: 1fr;
  }

  .assessment-side {
    position: static;
    order: -1;
  }

  .assessment-side .side-section {
    display: none;
  }

  .assessment-side .side-section.compact {
    display: block;
  }

  .report-grid,
  .dashboard-grid,
  .dashboard-grid.equal,
  .question-bank-layout {
    grid-template-columns: 1fr;
  }

  .quick-create {
    position: static;
  }

  .admin-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: fixed;
    width: 248px;
    transform: translateX(-102%);
    transition: transform 0.25s ease;
  }

  .sidebar.open {
    transform: none;
  }

  .mobile-menu {
    display: inline-flex;
  }
}

@media (max-width: 720px) {
  .public-header {
    padding: 12px 16px;
  }

  .public-header .brand-copy small,
  .public-header .text-link {
    display: none;
  }

  .entry-story {
    min-height: 440px;
    padding: 44px 22px;
  }

  .entry-story h1 {
    font-size: 36px;
  }

  .entry-story .lead {
    font-size: 15px;
  }

  .assessment-facts {
    grid-template-columns: 1fr;
    margin-top: 28px;
  }

  .assessment-fact {
    min-height: auto;
  }

  .entry-panel {
    padding: 36px 18px 52px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .form-grid .span-2 {
    grid-column: auto;
  }

  .process-strip {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 16px;
  }

  .assessment-header {
    grid-template-columns: 1fr auto;
    padding: 9px 12px;
  }

  .assessment-header-center {
    display: none;
  }

  .assessment-header .brand-copy {
    display: none;
  }

  .assessment-layout {
    width: calc(100% - 20px);
    margin: 10px auto 30px;
  }

  .question-stage {
    min-height: 570px;
    padding: 21px 17px;
  }

  .question-title {
    font-size: 22px;
  }

  .option {
    min-height: 58px;
  }

  .fill-blanks.multiple {
    grid-template-columns: 1fr;
  }

  .question-footer {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .question-footer .btn {
    width: 100%;
  }

  .report-hero {
    padding: 34px 18px 74px;
  }

  .report-hero-inner {
    grid-template-columns: 1fr;
  }

  .report-score {
    justify-items: start;
    text-align: left;
  }

  .report-score strong {
    font-size: 58px;
  }

  .report-content {
    width: calc(100% - 20px);
  }

  .dimension-cards,
  .course-outline {
    grid-template-columns: 1fr;
  }

  .course-banner {
    grid-template-columns: 1fr;
    padding: 22px;
  }

  .course-price-box {
    justify-items: start;
  }

  .course-body {
    padding: 18px;
  }

  .course-lessons {
    max-height: none;
  }

  .course-cta {
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
  }

  .report-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .admin-topbar {
    gap: 8px;
    padding: 9px 10px;
  }

  .admin-topbar-left {
    flex: 1 1 auto;
    gap: 8px;
  }

  .admin-search {
    flex: 1 1 auto;
    width: auto;
    min-width: 0;
  }

  .admin-search input {
    padding-left: 12px;
  }

  .admin-search .icon {
    display: none;
  }

  .admin-topbar-actions {
    flex: 0 0 auto;
    gap: 6px;
  }

  .admin-grade {
    width: 92px;
  }

  .admin-profile-copy {
    display: none;
  }

  .admin-content {
    padding: 18px 12px 40px;
  }

  .view-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .view-actions {
    justify-content: flex-start;
  }

  .kpi-grid,
  .session-admin-grid,
  .user-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-panel {
    padding: 16px;
  }

  .filter-bar .control,
  .filter-bar .search-control {
    width: 100%;
    min-width: 0;
  }

  .filter-spacer {
    display: none;
  }

  .drawer-stats {
    grid-template-columns: 1fr;
  }

  .grade-group {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (max-width: 520px) {
  .admin-topbar {
    padding: 8px;
  }

  .admin-grade {
    display: none;
  }

  .admin-search input {
    height: 38px;
  }

  .admin-profile {
    margin-left: 0;
  }

  .admin-login-view {
    gap: 16px;
    padding: 18px 14px;
  }

  .admin-login-panel {
    padding: 22px 18px;
  }

  .roster-item,
  .notification-item {
    grid-template-columns: auto minmax(0, 1fr);
  }

  .roster-item > .tag,
  .notification-item > .btn {
    grid-column: 2;
    justify-self: start;
  }

  .grade-group {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 6px;
    padding: 6px;
  }

  .grade-option {
    min-height: 38px;
    font-size: 12px;
  }
}

@media print {
  body {
    background: #fff;
  }

  .public-header,
  .report-hero .btn,
  .report-actions,
  .booking-section,
  .report-footer,
  .toast-stack {
    display: none !important;
  }

  .report-hero {
    padding: 20px 0;
    color: var(--ink);
    background: #fff;
  }

  .report-hero::after {
    display: none;
  }

  .report-kicker,
  .report-subtitle,
  .report-score span {
    color: var(--ink-2);
  }

  .report-score strong {
    color: var(--teal);
  }

  .report-level {
    color: var(--ink);
    border-color: var(--line);
    background: var(--surface-2);
  }

  .report-content {
    width: 100%;
    margin: 20px 0;
  }

  .report-grid {
    grid-template-columns: 1fr;
  }

  .panel {
    break-inside: avoid;
    box-shadow: none;
  }
}