:root {
  color-scheme: light;
  --bg: #f7ede0;
  --surface: #fffaf2;
  --surface-2: #f3e2cd;
  --surface-3: #ead4b8;
  --surface-glass: rgba(255, 250, 242, 0.94);
  --surface-veil: rgba(255, 250, 242, 0.82);
  --notice-bg: #fff4df;
  --ink: #312318;
  --muted: #6b5848;
  --soft: #8e7158;
  --line: #dfc4a2;
  --line-strong: #b87843;
  --shell: #352216;
  --teal: #6f7f35;
  --blue: #a64a24;
  --green: #4f7338;
  --gold: #bd711c;
  --red: #b24632;
  --purple: #7c4465;
  --accent-bg: rgba(166, 74, 36, 0.1);
  --accent-bg-strong: rgba(166, 74, 36, 0.16);
  --accent-line: rgba(166, 74, 36, 0.32);
  --focus-ring: rgba(166, 74, 36, 0.17);
  --moss-bg: rgba(111, 127, 53, 0.12);
  --moss-line: rgba(111, 127, 53, 0.28);
  --gold-bg: rgba(189, 113, 28, 0.12);
  --gold-line: rgba(189, 113, 28, 0.32);
  --success-bg: rgba(79, 115, 56, 0.12);
  --success-line: rgba(79, 115, 56, 0.34);
  --header-gradient: linear-gradient(90deg, #351f13, #56311c 58%, #3e2d17);
  --body-glow-a: rgba(166, 74, 36, 0.12);
  --body-glow-b: rgba(219, 143, 45, 0.14);
  --grid-line: rgba(94, 64, 40, 0.07);
  --radius: 8px;
  --shadow: 0 18px 45px rgba(77, 47, 23, 0.14);
  --header: 68px;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #16100c;
  --surface: #241913;
  --surface-2: #302219;
  --surface-3: #3b2a1f;
  --surface-glass: rgba(36, 25, 19, 0.94);
  --surface-veil: rgba(36, 25, 19, 0.86);
  --notice-bg: #302012;
  --ink: #fff3df;
  --muted: #dcc7ac;
  --soft: #b99a79;
  --line: #4e382b;
  --line-strong: #876044;
  --shell: #1c120d;
  --teal: #a8be6c;
  --blue: #f2a154;
  --green: #9fca70;
  --gold: #e6b55e;
  --red: #ff876d;
  --purple: #dc8dbd;
  --accent-bg: rgba(242, 161, 84, 0.14);
  --accent-bg-strong: rgba(242, 161, 84, 0.22);
  --accent-line: rgba(242, 161, 84, 0.38);
  --focus-ring: rgba(242, 161, 84, 0.22);
  --moss-bg: rgba(168, 190, 108, 0.16);
  --moss-line: rgba(168, 190, 108, 0.32);
  --gold-bg: rgba(230, 181, 94, 0.16);
  --gold-line: rgba(230, 181, 94, 0.34);
  --success-bg: rgba(159, 202, 112, 0.16);
  --success-line: rgba(159, 202, 112, 0.36);
  --header-gradient: linear-gradient(90deg, #1d130e, #3a2418 58%, #22180e);
  --body-glow-a: rgba(242, 161, 84, 0.12);
  --body-glow-b: rgba(118, 78, 36, 0.18);
  --grid-line: rgba(255, 218, 174, 0.06);
  --shadow: 0 20px 52px rgba(0, 0, 0, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  background:
    linear-gradient(135deg, var(--body-glow-a), transparent 28%),
    linear-gradient(220deg, var(--body-glow-b), transparent 26%),
    var(--bg);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  opacity: 0;
  transition: opacity 180ms ease, background 180ms ease, color 180ms ease;
}

body.ready {
  opacity: 1;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
    linear-gradient(180deg, var(--grid-line) 1px, transparent 1px);
  background-size: 32px 32px;
  content: "";
  mask-image: linear-gradient(180deg, #000, transparent 78%);
}

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

button {
  color: inherit;
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.ambient-layer {
  display: none;
}

#siteHeader {
  position: sticky;
  top: 0;
  z-index: 20;
  min-height: var(--header);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  background: var(--header-gradient);
  box-shadow: 0 8px 24px rgba(55, 30, 14, 0.2);
}

.top-shell {
  display: grid;
  grid-template-columns: minmax(220px, 330px) minmax(210px, 1fr) auto;
  gap: 16px;
  align-items: center;
  width: min(1600px, calc(100% - 28px));
  min-height: var(--header);
  margin: 0 auto;
}

.brand {
  display: inline-flex;
  min-width: 0;
  text-decoration: none;
}

.brand img {
  width: min(330px, 100%);
  height: auto;
}

.tenant-chip {
  display: inline-grid;
  justify-self: start;
  min-width: 0;
  padding: 8px 12px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: #dbe7ed;
}

.tenant-chip span {
  color: #a9bcc8;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
}

.tenant-chip strong {
  overflow: hidden;
  color: #ffffff;
  font-size: 0.9rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.account-pill {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  max-width: 190px;
  overflow: hidden;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
  font-weight: 850;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.top-actions,
.action-row,
.module-tabs,
.exam-meta,
.timer-row,
.status-strip,
.monitor-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
}

.top-actions {
  justify-self: end;
}

.button,
.link-button,
.module-tabs button,
.tile-button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 800;
  letter-spacing: 0;
  text-decoration: none;
  transition: background 150ms ease, border-color 150ms ease, color 150ms ease, transform 150ms ease, box-shadow 150ms ease;
}

.button,
.link-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
}

.link-button {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #eef6f9;
}

.button.primary {
  border-color: transparent;
  background: var(--blue);
  color: #ffffff;
  box-shadow: 0 12px 24px var(--accent-bg-strong);
}

.button.secondary {
  border-color: var(--accent-line);
  background: var(--accent-bg);
  color: var(--blue);
}

.button.quiet {
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

.button.quiet-light {
  border-color: var(--accent-line);
  background: var(--surface-veil);
  color: var(--blue);
}

.button.micro {
  min-height: 28px;
  margin-top: 8px;
  padding: 0 9px;
  border-color: var(--gold-line);
  background: var(--surface-veil);
  color: var(--gold);
  font-size: 0.72rem;
}

.button:disabled {
  cursor: not-allowed;
  opacity: 0.52;
}

.button:hover,
.link-button:hover,
.module-tabs button:hover,
.tile-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 20px rgba(30, 41, 51, 0.1);
}

#appRoot {
  width: min(1600px, calc(100% - 28px));
  margin: 16px auto;
}

.cert-overview {
  display: grid;
  grid-template-columns: minmax(280px, 1.35fr) minmax(360px, 1fr);
  gap: 16px;
  align-items: start;
  margin-bottom: 16px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, var(--accent-bg), transparent 36%),
    linear-gradient(225deg, var(--moss-bg), transparent 34%),
    var(--surface-glass);
  box-shadow: 0 12px 28px rgba(77, 47, 23, 0.1);
}

.cert-copy {
  display: grid;
  gap: 8px;
}

.cert-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.75rem, 3vw, 2.7rem);
  line-height: 1.05;
}

.cert-copy p {
  max-width: 760px;
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.cert-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.cert-facts article {
  display: grid;
  gap: 5px;
  min-height: 74px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.cert-facts span,
.skill-strip span {
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.cert-facts strong {
  color: var(--ink);
  line-height: 1.25;
}

.quick-jump,
.skill-strip,
.psa-banner {
  grid-column: 1 / -1;
}

.quick-jump,
.skill-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-jump button {
  min-height: 34px;
  padding: 0 11px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-weight: 850;
}

.quick-jump button.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.skill-strip span {
  padding: 7px 9px;
  border: 1px solid var(--moss-line);
  border-radius: 999px;
  background: var(--moss-bg);
  color: var(--teal);
}

.psa-banner {
  display: grid;
  gap: 5px;
  padding: 12px 14px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, var(--gold-bg), transparent 34%),
    var(--notice-bg);
}

.psa-banner strong {
  color: var(--gold);
  font-size: 0.8rem;
  text-transform: uppercase;
}

.psa-banner p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.lab-layout {
  display: grid;
  grid-template-columns: minmax(300px, 344px) minmax(0, 1fr) minmax(250px, 300px);
  gap: 16px;
  align-items: start;
}

.task-panel,
.workspace-shell,
.coach-rail,
.work-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-glass);
  box-shadow: 0 12px 28px rgba(77, 47, 23, 0.1);
}

.task-panel,
.coach-rail {
  position: sticky;
  top: calc(var(--header) + 14px);
  display: grid;
  gap: 16px;
  max-height: calc(100svh - var(--header) - 28px);
  overflow: auto;
  padding: 18px;
}

.workspace-shell {
  min-width: 0;
  overflow: hidden;
}

.panel-heading {
  display: grid;
  gap: 4px;
}

.panel-heading span,
.exam-meta span,
.rubric-item span,
.score-card span,
.artifact-list span,
.attempt-list span,
.feedback-grid span,
.mini-list span {
  color: var(--teal);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.panel-heading strong {
  font-size: 1.04rem;
}

.task-panel h1 {
  margin: 0;
  font-size: 1.22rem;
  line-height: 1.22;
}

.task-panel p,
.muted,
.empty,
.tile-button span,
.objective-list p,
.coach-rail p,
.score-card p,
.feedback-grid p,
.attempt-list p,
.mini-list p {
  color: var(--muted);
  line-height: 1.55;
}

.task-panel p,
.objective-list p,
.coach-rail p,
.score-card p,
.feedback-grid p,
.attempt-list p,
.mini-list p {
  margin: 0;
}

.field-label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 850;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  outline: none;
  padding: 9px 10px;
}

textarea {
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 4px var(--focus-ring);
}

.exam-meta {
  flex-wrap: wrap;
}

.exam-meta span {
  padding: 5px 8px;
  border: 1px solid var(--moss-line);
  border-radius: 999px;
  background: var(--moss-bg);
}

.exam-route {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.exam-route button {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  min-height: 32px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 850;
}

.exam-route button span {
  display: grid;
  min-width: 22px;
  height: 22px;
  place-items: center;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--blue);
  font-size: 0.68rem;
}

.exam-route button.active {
  border-color: var(--accent-line);
  background: var(--accent-bg);
  color: var(--blue);
}

.timer-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
}

.timer-row div {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-2);
}

.timer-row span {
  color: var(--soft);
  font-size: 0.75rem;
  font-weight: 850;
}

.timer-row strong {
  color: var(--ink);
}

.progress-track {
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-3);
}

.progress-track i {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--teal), var(--green), var(--gold));
  transition: width 160ms ease;
}

.action-row {
  flex-wrap: wrap;
}

.objective-list,
.checklist {
  display: grid;
  gap: 9px;
}

.objective-list h2,
.checklist h2 {
  margin: 0;
  font-size: 0.9rem;
}

#rubricList {
  display: grid;
  gap: 7px;
}

.rubric-item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) auto;
  gap: 8px;
  align-items: center;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.rubric-item.passed {
  border-color: var(--success-line);
  background: var(--success-bg);
}

.rubric-item.passed span {
  color: var(--green);
}

.rubric-item p {
  margin: 0;
  color: var(--ink);
  font-size: 0.82rem;
  line-height: 1.35;
}

.rubric-item strong {
  color: var(--soft);
  font-size: 0.74rem;
}

.module-tabs {
  flex-wrap: wrap;
  padding: 10px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-2);
}

.module-tabs button {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  min-height: 38px;
  padding: 0 10px;
  background: var(--surface);
}

.module-tabs button span {
  display: grid;
  width: 26px;
  height: 24px;
  place-items: center;
  border-radius: 6px;
  background: var(--surface-2);
  color: var(--blue);
  font-size: 0.72rem;
}

.module-tabs button.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.module-tabs button.active span {
  background: rgba(255, 255, 255, 0.18);
  color: #ffffff;
}

.workspace-titlebar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(190px, auto);
  gap: 14px;
  align-items: center;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, var(--surface-glass), var(--surface-veil)),
    var(--surface);
}

.workspace-titlebar p,
.workspace-titlebar h2,
.workspace-titlebar span {
  margin: 0;
}

.workspace-titlebar p {
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 850;
}

.workspace-titlebar h2 {
  margin-top: 4px;
  color: var(--ink);
  font-size: clamp(1.25rem, 2.2vw, 1.8rem);
  letter-spacing: 0;
}

.workspace-titlebar span {
  display: block;
  margin-top: 5px;
  color: var(--muted);
  font-size: 0.86rem;
}

.workspace-titlebar aside {
  display: grid;
  gap: 4px;
  justify-self: end;
  min-width: 190px;
  padding: 10px 12px;
  border: 1px solid var(--gold-line);
  border-radius: var(--radius);
  background: var(--gold-bg);
}

.workspace-titlebar aside span {
  margin: 0;
  color: var(--gold);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.workspace-titlebar aside strong {
  color: var(--ink);
  font-size: 0.92rem;
}

.tutorial-strip {
  display: grid;
  grid-template-columns: minmax(220px, 1.1fr) minmax(220px, 1fr) auto;
  gap: 14px;
  align-items: center;
  padding: 14px;
  border-bottom: 1px solid var(--accent-line);
  background:
    linear-gradient(135deg, var(--moss-bg), transparent 40%),
    linear-gradient(225deg, var(--gold-bg), transparent 42%),
    var(--surface);
}

.tutorial-copy,
.tutorial-controls,
.tutorial-map button {
  min-width: 0;
}

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

.tutorial-copy span,
.tutorial-map small {
  color: var(--blue);
  font-size: 0.74rem;
  font-weight: 900;
  text-transform: uppercase;
}

.tutorial-copy strong {
  font-size: 1.05rem;
}

.tutorial-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.tutorial-tasks {
  display: grid;
  gap: 6px;
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.35;
}

.tutorial-controls {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 8px;
}

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

.work-panel {
  display: grid;
  gap: 16px;
  min-width: 0;
  padding: 18px;
  box-shadow: none;
  align-content: start;
}

.work-panel.wide {
  grid-column: 1 / -1;
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 10px;
}

.capability-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 8px;
  min-height: 150px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  cursor: pointer;
}

.capability-card input {
  position: absolute;
  width: 1px;
  min-height: 1px;
  opacity: 0;
  pointer-events: none;
}

.capability-card span {
  width: max-content;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--surface-2);
  color: var(--soft);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.capability-card strong {
  font-size: 1rem;
}

.capability-card p {
  margin: 0;
  color: var(--muted);
  font-size: 0.86rem;
  line-height: 1.4;
}

.capability-card.active {
  border-color: var(--success-line);
  background: var(--success-bg);
}

.capability-card.active span {
  background: var(--success-bg);
  color: var(--green);
}

.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.checkbox-grid.compact,
.policy-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.check-row,
.toggle-row {
  display: flex;
  gap: 8px;
  align-items: center;
  min-height: 38px;
  padding: 8px 9px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  font-size: 0.84rem;
  font-weight: 760;
}

.check-row input,
.toggle-row input {
  width: 16px;
  min-height: 16px;
  accent-color: var(--teal);
}

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

.tile-button {
  display: grid;
  gap: 4px;
  width: 100%;
  min-height: 74px;
  padding: 12px;
  text-align: left;
}

.tile-button strong {
  font-size: 0.94rem;
}

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

.adapter-workbench {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, var(--accent-bg), transparent 38%),
    var(--surface-2);
}

.adapter-summary {
  display: grid;
  gap: 5px;
}

.adapter-summary span,
.adapter-details span {
  color: var(--blue);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.adapter-summary strong {
  color: var(--ink);
  font-size: 1.35rem;
}

.adapter-summary p,
.adapter-details p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.adapter-picker {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 7px;
}

.adapter-picker button {
  min-height: 34px;
  padding: 0 8px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 850;
}

.adapter-picker button.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.adapter-details {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.adapter-details article {
  display: grid;
  gap: 5px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.hana-status {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 8px;
}

.hana-status span {
  display: grid;
  min-height: 42px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--soft);
  font-size: 0.76rem;
  font-weight: 900;
  text-align: center;
  text-transform: uppercase;
}

.hana-status span.ok {
  border-color: var(--success-line);
  background: var(--success-bg);
  color: var(--green);
}

.design-grid {
  grid-template-columns: minmax(290px, 0.75fr) minmax(0, 1.25fr);
}

.iflow-canvas {
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 44px minmax(120px, 1fr) 44px minmax(120px, 1fr) 44px minmax(120px, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 180px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(90deg, var(--accent-bg) 1px, transparent 1px),
    linear-gradient(180deg, var(--accent-bg) 1px, transparent 1px),
    var(--surface-2);
  background-size: 22px 22px;
  overflow-x: auto;
}

.flow-node {
  display: grid;
  gap: 6px;
  min-width: 120px;
  min-height: 88px;
  align-content: center;
  padding: 12px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--surface);
}

.flow-node.sender {
  border-color: var(--moss-line);
}

.flow-node.receiver {
  border-color: var(--gold-line);
}

.flow-node span {
  color: var(--soft);
  font-size: 0.72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.flow-node strong {
  overflow-wrap: anywhere;
}

.flow-line {
  height: 2px;
  min-width: 44px;
  background: linear-gradient(90deg, var(--line-strong), var(--teal));
}

.artifact-list,
.attempt-list,
.feedback-grid,
.mini-list,
.source-grid {
  display: grid;
  gap: 9px;
}

.artifact-list article,
.attempt-list article,
.feedback-grid article,
.mini-list article {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.status-strip {
  flex-wrap: wrap;
}

.status-strip span {
  padding: 7px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--soft);
  font-weight: 850;
}

.status-strip span.ok {
  border-color: var(--success-line);
  background: var(--success-bg);
  color: var(--green);
}

.monitor-toolbar {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.log-table > div {
  display: grid;
  grid-template-columns: 110px minmax(140px, 1fr) minmax(120px, 0.9fr) minmax(180px, 1.2fr);
  gap: 10px;
  align-items: center;
  min-width: 720px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.log-table > div:first-child {
  background: var(--surface-2);
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
  text-transform: uppercase;
}

.log-table > div:last-child {
  border-bottom: 0;
}

.log-table .failed span:first-child {
  color: var(--red);
  font-weight: 900;
}

.log-table .completed span:first-child {
  color: var(--green);
  font-weight: 900;
}

.log-table .processing span:first-child {
  color: var(--gold);
  font-weight: 900;
}

.score-card {
  display: grid;
  gap: 6px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.score-card strong {
  color: var(--ink);
  font-size: clamp(2.4rem, 5vw, 4.2rem);
  line-height: 0.95;
}

.score-card.pass {
  border-color: var(--success-line);
  background: var(--success-bg);
}

.score-card.needs-work {
  border-color: var(--gold-line);
  background: var(--gold-bg);
}

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

.tutorial-map {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 9px;
}

.tutorial-map button {
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
  cursor: pointer;
}

.tutorial-map button.active {
  border-color: var(--accent-line);
  background: var(--accent-bg);
}

.tutorial-map span {
  color: var(--gold);
  font-size: 0.76rem;
  font-weight: 900;
}

.tutorial-map strong {
  overflow-wrap: anywhere;
}

.source-grid a {
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 440px);
  gap: 16px;
  align-items: center;
  min-height: calc(100svh - var(--header) - 120px);
}

.login-copy,
.auth-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-glass);
  box-shadow: 0 12px 28px rgba(77, 47, 23, 0.1);
}

.login-copy {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 42px);
}

.login-copy h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2rem, 5vw, 4rem);
  line-height: 1;
  letter-spacing: 0;
}

.login-copy p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  line-height: 1.6;
}

.eyebrow {
  margin: 0;
  color: var(--blue);
  font-size: 0.76rem;
  font-weight: 900;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.auth-card {
  display: grid;
  gap: 16px;
  padding: 18px;
}

.auth-tabs {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.auth-tabs button {
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 850;
}

.auth-tabs button.active {
  border-color: var(--blue);
  background: var(--blue);
  color: #ffffff;
}

.auth-form {
  display: none;
  gap: 13px;
}

.auth-form.active {
  display: grid;
}

.learner-details {
  display: grid;
  gap: 8px;
  margin: 0;
}

.learner-details div {
  display: grid;
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.learner-details dt {
  color: var(--blue);
  font-weight: 900;
}

.learner-details dd {
  margin: 0;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.toast {
  position: fixed;
  right: 18px;
  bottom: 18px;
  z-index: 50;
  max-width: min(360px, calc(100vw - 36px));
  padding: 12px 14px;
  border: 1px solid var(--accent-line);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--ink);
  box-shadow: var(--shadow);
  opacity: 0;
  transform: translateY(10px);
  transition: opacity 160ms ease, transform 160ms ease;
  pointer-events: none;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.notes-label textarea {
  min-height: 116px;
}

.activity-log {
  display: grid;
  gap: 6px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.activity-log strong {
  font-size: 0.9rem;
}

.activity-log p {
  color: var(--soft);
  font-size: 0.8rem;
}

#siteFooter {
  width: min(1600px, calc(100% - 28px));
  margin: 0 auto 18px;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  justify-content: center;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-veil);
  color: var(--muted);
  font-size: 0.88rem;
  text-align: center;
}

.footer-inner strong {
  color: var(--purple);
}

:root[data-theme="dark"] .button.primary,
:root[data-theme="dark"] .quick-jump button.active,
:root[data-theme="dark"] .module-tabs button.active,
:root[data-theme="dark"] .adapter-picker button.active,
:root[data-theme="dark"] .auth-tabs button.active {
  color: #20130d;
}

:root[data-theme="dark"] .module-tabs button.active span {
  background: rgba(32, 19, 13, 0.18);
  color: #20130d;
}

:root[data-theme="dark"] .button.quiet-light,
:root[data-theme="dark"] .button.micro {
  background: var(--surface);
}

@media (max-width: 1320px) {
  .lab-layout {
    grid-template-columns: minmax(290px, 340px) minmax(0, 1fr);
  }

  .cert-overview {
    grid-template-columns: 1fr;
  }

  .coach-rail {
    position: static;
    grid-column: 1 / -1;
    max-height: none;
  }

  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 1040px) {
  .top-shell {
    grid-template-columns: minmax(210px, 1fr) auto;
  }

  .tenant-chip {
    display: none;
  }

  .lab-layout,
  .workspace-grid,
  .design-grid,
  .login-shell,
  .tutorial-strip {
    grid-template-columns: 1fr;
  }

  .task-panel {
    position: static;
    max-height: none;
  }

  .metric-grid,
  .checkbox-grid.compact,
  .policy-grid,
  .monitor-toolbar,
  .adapter-picker,
  .hana-status {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  :root {
    --header: auto;
  }

  #appRoot,
  #siteFooter,
  .top-shell {
    width: min(100% - 20px, 1600px);
  }

  .top-shell {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px 0;
  }

  .brand img {
    width: 290px;
  }

  .top-actions {
    justify-self: stretch;
    flex-wrap: wrap;
  }

  .top-actions .button,
  .top-actions .link-button,
  .top-actions .account-pill {
    flex: 1;
    max-width: none;
  }

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

  .workspace-titlebar {
    grid-template-columns: 1fr;
  }

  .workspace-titlebar aside {
    justify-self: stretch;
  }

  .module-tabs button {
    justify-content: flex-start;
  }

  .metric-grid,
  .checkbox-grid,
  .checkbox-grid.compact,
  .policy-grid,
  .form-grid,
  .cert-facts,
  .adapter-details,
  .timer-row,
  .monitor-toolbar,
  .source-grid,
  .tutorial-map,
  .adapter-picker,
  .hana-status {
    grid-template-columns: 1fr;
  }

  .tutorial-controls {
    justify-content: stretch;
  }

  .tutorial-controls .button {
    flex: 1;
  }

  .iflow-canvas,
  .log-table {
    overflow-x: auto;
  }

  .action-row .button,
  .action-row .toggle-row {
    width: 100%;
  }
}