:root {
  color-scheme: light;
  --ink: #1e2329;
  --muted: #626a73;
  --soft: #8a929d;
  --line: #dfe4ea;
  --panel: #ffffff;
  --wash: #f4f6f8;
  --rail: #171b1f;
  --rail-2: #22282f;
  --green: #78d64b;
  --mint: #31b88a;
  --blue: #3578e5;
  --cyan: #45b7c5;
  --amber: #eeaa32;
  --coral: #ee675c;
  --violet: #7161ef;
  --shadow: 0 18px 45px rgba(28, 36, 44, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--wash);
}

body {
  margin: 0;
  color: var(--ink);
  font-family:
    Inter, "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  background:
    linear-gradient(90deg, rgba(53, 120, 229, 0.04) 1px, transparent 1px),
    linear-gradient(180deg, rgba(30, 35, 41, 0.04) 1px, transparent 1px),
    var(--wash);
  background-size: 28px 28px;
}

body.is-locked {
  overflow: hidden;
}

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

button {
  border: 0;
  cursor: pointer;
}

[hidden] {
  display: none !important;
}

.app-shell {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr) 344px;
  min-height: 100vh;
}

body.is-locked .app-shell {
  filter: blur(8px);
  pointer-events: none;
  user-select: none;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: minmax(360px, 0.95fr) minmax(340px, 430px);
  gap: 24px;
  align-items: center;
  padding: 48px;
  background:
    linear-gradient(90deg, rgba(53, 120, 229, 0.06) 1px, transparent 1px),
    linear-gradient(180deg, rgba(30, 35, 41, 0.06) 1px, transparent 1px),
    #f4f6f8;
  background-size: 28px 28px;
}

.login-screen.is-hidden {
  display: none;
}

.login-visual {
  min-height: 620px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  color: #f6f8fb;
  border-radius: 8px;
  background:
    linear-gradient(145deg, rgba(120, 214, 75, 0.16), transparent 34%),
    linear-gradient(315deg, rgba(53, 120, 229, 0.24), transparent 42%),
    #151a1f;
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.login-brand h1 {
  margin: 0;
  font-size: 22px;
}

.login-copy {
  max-width: 620px;
}

.login-copy h2 {
  max-width: 620px;
  margin: 0 0 18px;
  font-size: clamp(32px, 4vw, 58px);
  line-height: 1.08;
  letter-spacing: 0;
}

.login-copy p:last-child {
  max-width: 560px;
  margin: 0;
  color: #c5d0d9;
  font-size: 16px;
  line-height: 1.8;
}

.login-meter {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.login-meter div {
  padding: 18px;
  background: rgba(255, 255, 255, 0.06);
}

.login-meter span {
  display: block;
  margin-bottom: 8px;
  color: #aab6c2;
  font-size: 13px;
}

.login-meter strong {
  font-size: 26px;
}

.login-panel {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: var(--shadow);
}

.login-panel h2 {
  margin: 0;
  font-size: 28px;
}

.login-hint {
  margin: 10px 0 22px;
  color: var(--muted);
  line-height: 1.6;
}

.login-panel label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.login-panel input,
.login-panel select {
  width: 100%;
  margin-top: 7px;
  padding: 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  outline: none;
}

.login-panel input:focus,
.login-panel select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(53, 120, 229, 0.12);
}

.login-submit {
  width: 100%;
  margin-top: 20px;
}

.login-note {
  display: grid;
  gap: 8px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 12px;
}

.login-note span {
  padding: 9px 10px;
  border-radius: 8px;
  background: #f4f6f8;
}

.login-error {
  margin-top: 14px;
  padding: 10px 12px;
  color: #842219;
  border: 1px solid #ffc9c3;
  border-radius: 8px;
  background: #ffe8e5;
  font-size: 13px;
  line-height: 1.5;
}

.side-rail {
  position: sticky;
  top: 0;
  height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 26px;
  padding: 24px 16px;
  color: #f6f8fb;
  background:
    linear-gradient(180deg, rgba(120, 214, 75, 0.12), transparent 34%),
    var(--rail);
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 4px 8px 18px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.brand-mark {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  color: #0f1418;
  background: var(--green);
  border-radius: 8px;
  font-weight: 900;
}

.brand-block h1,
.topbar h2,
.panel-head h2 {
  margin: 0;
  font-size: 20px;
  letter-spacing: 0;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--soft);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
}

.side-rail .eyebrow {
  color: #8fa1aa;
}

.module-nav {
  display: grid;
  gap: 8px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 0 12px;
  color: #b8c2cc;
  background: transparent;
  border-radius: 8px;
  text-align: left;
}

.nav-item svg,
.ghost-btn svg,
.primary-btn svg,
.tiny-icon svg {
  width: 18px;
  height: 18px;
  stroke-width: 2.2;
}

.nav-item:hover,
.nav-item.is-active {
  color: #f6f8fb;
  background: var(--rail-2);
}

.nav-item.is-active {
  box-shadow: inset 3px 0 0 var(--green);
}

.side-status {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px;
  color: #c9d2dc;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.04);
  font-size: 13px;
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px rgba(120, 214, 75, 0.12);
}

.workspace {
  min-width: 0;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

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

.user-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.9);
  font-size: 13px;
  font-weight: 800;
}

.user-badge svg {
  width: 17px;
  height: 17px;
}

.ghost-btn,
.primary-btn,
.line-btn,
.chip-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 38px;
  padding: 0 14px;
  border-radius: 8px;
  white-space: nowrap;
}

.ghost-btn,
.line-btn {
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
}

.primary-btn {
  color: #0e1418;
  background: var(--green);
  font-weight: 800;
}

.summary-band {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  margin-bottom: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.summary-band > div {
  min-height: 84px;
  padding: 18px;
  background: rgba(255, 255, 255, 0.88);
}

.metric-label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 13px;
}

.summary-band strong {
  font-size: 24px;
  letter-spacing: 0;
}

.view-root {
  display: grid;
  gap: 18px;
}

.stage-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 18px;
}

.section-panel,
.module-card,
.task-row,
.sim-panel,
.training-form,
.asset-preview,
.score-block,
.rule-row,
.timeline-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.8);
}

.section-panel {
  padding: 20px;
}

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

.section-head h3 {
  margin: 0;
  font-size: 18px;
  letter-spacing: 0;
}

.section-note {
  margin: 6px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.module-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

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

.module-card {
  min-height: 176px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 16px;
  overflow: hidden;
}

.module-card[data-accent="green"] {
  border-top: 4px solid var(--mint);
}

.module-card[data-accent="blue"] {
  border-top: 4px solid var(--blue);
}

.module-card[data-accent="amber"] {
  border-top: 4px solid var(--amber);
}

.module-card[data-accent="coral"] {
  border-top: 4px solid var(--coral);
}

.module-card[data-accent="violet"] {
  border-top: 4px solid var(--violet);
}

.module-card[data-accent="cyan"] {
  border-top: 4px solid var(--cyan);
}

.module-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.module-title h4 {
  margin: 0;
  font-size: 16px;
}

.module-card p {
  margin: 12px 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.progress-track {
  width: 100%;
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf2;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--ink);
}

.module-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 10px;
  color: var(--muted);
  font-size: 12px;
}

.pill,
.danger-pill,
.good-pill,
.warn-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.pill {
  color: #27313a;
  background: #edf2f5;
}

.good-pill {
  color: #0a4f39;
  background: #dff7ed;
}

.warn-pill {
  color: #694300;
  background: #fff0c9;
}

.danger-pill {
  color: #842219;
  background: #ffe1de;
}

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

.task-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 72px;
  padding: 12px;
}

.task-index {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  color: var(--ink);
  background: #edf2f5;
  border-radius: 8px;
  font-weight: 900;
}

.task-row h4,
.asset-preview h4,
.score-block h4,
.sim-panel h4,
.training-form h4 {
  margin: 0;
  font-size: 15px;
}

.task-row p {
  margin: 5px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.media-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr));
  gap: 12px;
}

.asset-preview {
  overflow: hidden;
}

.asset-preview img {
  width: 100%;
  height: clamp(160px, 18vw, 240px);
  display: block;
  object-fit: contain;
  border-bottom: 1px solid var(--line);
  background: #edf2f5;
}

.asset-preview h4 {
  padding: 10px 12px 3px;
}

.asset-preview p {
  margin: 0;
  padding: 0 12px 12px;
  color: var(--muted);
  font-size: 12px;
}

.simulation-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 16px;
}

.sim-panel,
.training-form {
  padding: 16px;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 14px;
}

.metric-tile {
  min-height: 90px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfc;
}

.metric-tile strong {
  display: block;
  margin-top: 8px;
  font-size: 23px;
}

.metric-tile span {
  color: var(--muted);
  font-size: 12px;
}

.notice-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.notice-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.notice-item p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.training-form label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.training-form input,
.training-form textarea,
.training-form select {
  width: 100%;
  margin-top: 6px;
  padding: 11px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  outline: none;
}

.training-form textarea {
  min-height: 92px;
  resize: vertical;
  line-height: 1.5;
}

.training-actions {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.submit-message {
  padding: 10px 12px;
  color: #842219;
  border: 1px solid #ffc9c3;
  border-radius: 8px;
  background: #ffe8e5;
  font-size: 13px;
  line-height: 1.5;
}

.submit-message.is-success,
.login-error.is-success {
  color: #236145;
  border-color: #bfe8d0;
  background: #e8f7ee;
}

.check-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.check-list label {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding: 10px 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  font-weight: 700;
}

.check-list input {
  width: auto;
  margin: 0;
}

.training-form input:focus,
.training-form textarea:focus,
.training-form select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(53, 120, 229, 0.12);
}

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

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

.quiz-card {
  min-height: 240px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.quiz-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.quiz-card label {
  margin-top: auto;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.quiz-card select {
  width: 100%;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.visual-placeholder {
  height: 76px;
  display: grid;
  place-items: center;
  gap: 6px;
  color: #52606d;
  border: 1px dashed #cfd7df;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(120, 214, 75, 0.12), transparent),
    #f6f8fa;
  font-size: 12px;
  font-weight: 800;
}

.product-question-image {
  width: 100%;
  aspect-ratio: 16 / 9;
  display: block;
  object-fit: contain;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f6f8fa;
}

.structure-note {
  padding: 9px 10px;
  color: #314257;
  border: 1px solid #d8e3ed;
  border-radius: 8px;
  background: #f4f8fb;
  font-size: 12px;
  font-weight: 800;
  line-height: 1.5;
}

.learning-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
}

.learning-hero h3 {
  margin: 0;
}

.stepper {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.step-chip {
  min-height: 36px;
  padding: 0 12px;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  font-size: 13px;
  font-weight: 800;
}

.step-chip.is-active {
  color: #fff;
  border-color: var(--ink);
  background: var(--ink);
}

.learning-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(360px, 1.05fr);
  gap: 18px;
}

.lesson-stack {
  display: grid;
  gap: 12px;
}

.lesson-card {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.lesson-card h4 {
  margin: 0 0 6px;
  font-size: 15px;
}

.lesson-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.lesson-card strong {
  display: block;
  margin-top: 8px;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
}

.lesson-icon {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  color: var(--blue);
  border-radius: 8px;
  background: rgba(53, 120, 229, 0.1);
}

.action-band {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}

.action-band h3 {
  margin: 0;
}

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

.knowledge-card {
  min-width: 0;
  margin: 0;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
}

.knowledge-card legend {
  padding: 0;
  margin-bottom: 10px;
  color: var(--ink);
  font-weight: 900;
  line-height: 1.5;
}

.knowledge-card label {
  display: flex;
  gap: 9px;
  align-items: flex-start;
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.knowledge-card input {
  margin-top: 3px;
}

.weekly-form label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.weekly-form textarea {
  width: 100%;
  min-height: 180px;
  margin-top: 7px;
  padding: 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  resize: vertical;
  outline: none;
  line-height: 1.6;
}

.weekly-scenario {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfc;
}

.weekly-scenario h4 {
  margin: 0 0 8px;
}

.weekly-scenario p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.update-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
  align-items: center;
  gap: 18px;
}

.update-hero h3 {
  margin: 0;
}

.update-period {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(69, 183, 197, 0.14), transparent),
    #f9fbfc;
}

.update-period span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.update-period strong {
  display: block;
  margin-top: 8px;
  font-size: 20px;
  line-height: 1.25;
}

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

.update-card {
  min-height: 190px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.update-card h4 {
  margin: 14px 0 8px;
  font-size: 16px;
}

.update-card p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.update-summary-label {
  display: block;
  margin-top: 16px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.update-summary-label textarea {
  width: 100%;
  min-height: 120px;
  margin-top: 7px;
  padding: 12px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  resize: vertical;
  outline: none;
  line-height: 1.6;
}

.char-line {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
  color: var(--soft);
  font-size: 12px;
}

.char-line.is-bad {
  color: var(--coral);
}

.rule-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.rule-row {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr) auto;
  align-items: center;
  gap: 10px;
  min-height: 44px;
  padding: 9px 10px;
  box-shadow: none;
}

.rule-row svg {
  width: 18px;
  height: 18px;
}

.rule-row.is-pass svg {
  color: var(--mint);
}

.rule-row.is-fail svg {
  color: var(--coral);
}

.rule-row span {
  color: var(--muted);
  font-size: 13px;
}

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

.timeline-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 12px;
  padding: 12px;
}

.timeline-row strong {
  font-size: 13px;
}

.timeline-row p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.listing-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
  gap: 16px;
}

.product-brief {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.brief-row {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.brief-row span:first-child {
  color: var(--muted);
}

.keyword-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.keyword-cloud span {
  padding: 7px 10px;
  border-radius: 999px;
  background: #edf2f5;
  font-size: 12px;
  font-weight: 700;
}

.insight-panel {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: auto;
  padding: 24px 18px;
  border-left: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(12px);
}

.panel-head {
  margin-bottom: 16px;
}

.score-block {
  padding: 16px;
  margin-bottom: 12px;
  box-shadow: none;
}

.score-number {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  margin: 10px 0 12px;
}

.score-number strong {
  font-size: 42px;
  line-height: 1;
}

.score-number span {
  color: var(--muted);
  font-size: 13px;
}

.coach-list {
  display: grid;
  gap: 8px;
  margin-top: 12px;
}

.coach-list div {
  padding: 10px;
  border-radius: 8px;
  background: #f4f6f8;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.mini-table {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.mini-table div {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
  padding: 10px;
  background: #fff;
  font-size: 13px;
}

.mini-table span {
  color: var(--muted);
}

.chip-btn {
  min-height: 30px;
  padding: 0 10px;
  color: var(--ink);
  background: #edf2f5;
  font-size: 12px;
  font-weight: 800;
}

.empty-state {
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 36px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.76);
  text-align: center;
}

.empty-state h3 {
  margin: 0 0 8px;
}

.empty-state p {
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.analytics-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.analytics-card {
  min-height: 130px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
}

.analytics-card span {
  color: var(--muted);
  font-size: 13px;
}

.analytics-card strong {
  display: block;
  margin-top: 12px;
  font-size: 30px;
}

.analytics-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.5;
}

.chart-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(340px, 0.95fr);
  gap: 18px;
}

.bar-list {
  display: grid;
  gap: 14px;
}

.bar-row {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr) 52px;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}

.bar-track {
  height: 11px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf2;
}

.bar-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--ink);
}

.student-table {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.student-table .table-row {
  display: grid;
  grid-template-columns: 1.2fr 0.7fr 0.7fr 0.7fr;
  gap: 10px;
  align-items: center;
  padding: 12px;
  background: #fff;
  font-size: 13px;
}

.student-table .table-head {
  color: var(--muted);
  font-weight: 800;
  background: #f9fbfc;
}

.attempt-table {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.attempt-row {
  display: grid;
  grid-template-columns: 0.85fr 1fr 1.1fr 0.55fr 0.7fr;
  gap: 10px;
  align-items: center;
  padding: 12px;
  background: #fff;
  font-size: 13px;
}

.attempt-head {
  color: var(--muted);
  font-weight: 800;
  background: #f9fbfc;
}

.user-admin-layout {
  display: grid;
  gap: 18px;
}

.account-create-form label {
  display: block;
  margin-top: 14px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.account-create-form input,
.account-create-form select,
.account-row input,
.account-row select {
  width: 100%;
  min-height: 38px;
  padding: 9px 10px;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfcfd;
  outline: none;
}

.account-table {
  display: grid;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.account-row {
  display: grid;
  grid-template-columns: 1fr 1fr 0.8fr 0.75fr 1fr auto;
  gap: 10px;
  align-items: center;
  padding: 12px;
  background: #fff;
  font-size: 13px;
}

.account-head {
  color: var(--muted);
  background: #f9fbfc;
  font-weight: 800;
}

.account-actions {
  display: flex;
  gap: 8px;
}

.danger-chip {
  color: #842219;
  background: #ffe1de;
}

.danger-chip:disabled {
  color: var(--soft);
  background: #edf2f5;
  cursor: not-allowed;
}

.login-error.is-success {
  color: #0a4f39;
  border-color: #bdebd8;
  background: #e4f8ef;
}

.no-access {
  min-height: 420px;
  display: grid;
  place-items: center;
  padding: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.94);
  text-align: center;
}

.no-access svg {
  width: 42px;
  height: 42px;
  color: var(--coral);
  margin-bottom: 12px;
}

.no-access h3 {
  margin: 0 0 8px;
}

.no-access p {
  max-width: 480px;
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 1280px) {
  .app-shell {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .insight-panel {
    position: static;
    height: auto;
    grid-column: 2;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .side-rail {
    position: static;
    height: auto;
  }

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

  .summary-band,
  .stage-grid,
  .simulation-grid,
  .listing-layout,
  .learning-hero,
  .learning-grid,
  .update-hero,
  .update-grid,
  .login-screen,
  .chart-grid,
  .quiz-grid,
  .knowledge-quiz {
    grid-template-columns: 1fr;
  }

  .action-band {
    display: grid;
  }

  .login-screen {
    position: static;
    min-height: 100vh;
    padding: 16px;
  }

  .login-visual {
    min-height: 420px;
  }

  .insight-panel {
    grid-column: auto;
  }
}

@media (max-width: 640px) {
  .workspace,
  .insight-panel,
  .side-rail {
    padding: 16px;
  }

  .topbar,
  .section-head {
    display: grid;
  }

  .top-actions,
  .form-row {
    display: grid;
    grid-template-columns: 1fr;
  }

  .summary-band,
  .module-grid,
  .media-strip,
  .metric-grid,
  .analytics-grid {
    grid-template-columns: 1fr;
  }

  .login-meter {
    grid-template-columns: 1fr;
  }

  .bar-row,
  .account-row,
  .student-table .table-row,
  .attempt-row {
    grid-template-columns: 1fr;
  }

  .task-row {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .task-row .chip-btn {
    grid-column: 2;
    width: max-content;
  }
}