:root {
  color-scheme: dark;
  --bg: #09110e;
  --surface: #111d18;
  --surface-2: #172720;
  --surface-3: #20342a;
  --text: #edf5f0;
  --muted: #9eb2a7;
  --faint: #6f8579;
  --line: #2b4236;
  --green: #67d79a;
  --green-dark: #123d29;
  --amber: #efba62;
  --red: #ef7b72;
  --blue: #7db8ea;
  --violet: #b39cf4;
  --shadow: 0 18px 48px rgba(0,0,0,.24);
}

* { box-sizing: border-box; }
.range-version-link { margin-top: 20px; padding: 18px; border: 1px dashed var(--green); border-radius: 12px; background: var(--green-dark); }
.range-version-link p { margin: 6px 0 12px; font-weight: 700; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 85% -10%, rgba(77, 170, 116, .16), transparent 35rem),
    linear-gradient(180deg, #0c1712, var(--bg) 26rem);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.5;
}

button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; }

.site-header, .tabs, .scenario-picker, main {
  width: min(1120px, calc(100% - 40px));
  margin-inline: auto;
}
.site-header {
  min-height: 150px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding: 36px 0 24px;
}
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 0; font-size: clamp(2.1rem, 6vw, 4rem); line-height: .95; letter-spacing: -.055em; }
h2 { margin-bottom: 8px; font-size: clamp(1.55rem, 3vw, 2.35rem); letter-spacing: -.035em; }
h3 { margin-bottom: 6px; font-size: 1.12rem; }
.eyebrow { margin-bottom: 8px; color: var(--green); font-size: .73rem; font-weight: 750; letter-spacing: .17em; }
.header-note, .lede { color: var(--muted); }
.header-note { max-width: 22rem; margin: 0 0 4px; text-align: right; }
.lede { max-width: 48rem; margin-bottom: 0; }

.tabs {
  display: flex;
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}
.tab, .primary, .secondary, .link-button, .pack-button, .icon-button {
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  font-weight: 700;
}
.tab {
  padding: 9px 13px;
  background: transparent;
  color: var(--muted);
}
.tab:hover, .tab.active { background: var(--surface-3); color: var(--text); }
.count {
  display: inline-grid;
  min-width: 20px;
  height: 20px;
  margin-left: 4px;
  place-items: center;
  border-radius: 999px;
  background: var(--green);
  color: #07110c;
  font-size: .72rem;
}

.scenario-picker {
  display: grid;
  grid-template-columns: minmax(240px,1fr) minmax(250px,340px) auto;
  align-items: center;
  gap: 22px;
  margin-top: 16px;
  padding: 17px 19px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: linear-gradient(120deg, rgba(18,61,41,.72), rgba(17,29,24,.92));
}
.scenario-picker-copy .eyebrow { margin-bottom: 3px; }
.scenario-picker-copy strong, .scenario-picker-copy span { display: block; }
.scenario-picker-copy strong { font-size: 1.08rem; }
.scenario-picker-copy span { margin-top: 2px; color: var(--muted); font-size: .79rem; }
.scenario-select-label { color: var(--muted); font-size: .7rem; letter-spacing: .08em; text-transform: uppercase; }
.scenario-select-label select {
  width: 100%;
  margin-top: 5px;
  padding: 10px 36px 10px 12px;
  border: 1px solid #446552;
  border-radius: 10px;
  background: var(--surface-2);
  color: var(--text);
  cursor: pointer;
  font-weight: 700;
  text-transform: none;
  letter-spacing: normal;
}
.scenario-select-label select:focus { outline: 2px solid var(--green); outline-offset: 1px; }
.scenario-stats { display: grid; grid-template-columns: auto auto; align-items: baseline; gap: 0 7px; min-width: 92px; }
.scenario-stats strong { color: var(--green); font-size: 1.25rem; line-height: 1.15; text-align: right; }
.scenario-stats span { color: var(--muted); font-size: .74rem; }

main { padding: 34px 0 80px; }
.range-focus .site-header, .range-focus .tabs, .range-focus .scenario-picker { display: none; }
.range-focus main { padding: 18px 0; }
.equity-focus .site-header, .equity-focus .scenario-picker { display: none; }
.equity-focus main { padding-top: 18px; }
.calling-focus .site-header, .calling-focus .scenario-picker { display: none; }
.calling-focus main { padding-top: 18px; }
.view { display: none; }
body.reports-focus .scenario-picker { display: none; }
.pdf-library { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr)); gap: 18px; margin-top: 28px; }
.pdf-report { display: flex; flex-direction: column; padding: 23px; border: 1px solid var(--line); border-radius: 15px; background: var(--surface); text-decoration: none; }
.pdf-report:hover, .pdf-report:focus-visible { border-color: var(--green); background: var(--surface-2); }
.pdf-report p { color: var(--muted); font-size: .9rem; }
.pdf-report strong { margin-top: auto; padding-top: 12px; color: var(--green); }
.view.active { display: block; }
.hero-row, .library-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 26px;
}
.hero-side { display: flex; align-items: stretch; gap: 10px; }
.next-drill { min-width: 230px; }
.next-button {
  width: 100%;
  height: 100%;
  min-height: 66px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 15px;
  border: 0;
  border-radius: 12px;
  background: var(--green);
  color: #07110c;
  cursor: pointer;
  text-align: left;
}
.next-button:hover { filter: brightness(1.08); }
.next-button span { display: block; }
.next-button .next-label { font-size: .72rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.next-button .next-name { margin-top: 2px; font-weight: 750; }
.next-button small { margin-top: 3px; font-size: .68rem; font-weight: 750; opacity: .78; }
.next-button .next-arrow { font-size: 1.55rem; font-weight: 500; }
.summary-grid { display: grid; grid-template-columns: repeat(3, minmax(86px,1fr)); gap: 10px; }
.summary-item { min-width: 92px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: rgba(17,29,24,.72); }
.summary-item strong { display: block; font-size: 1.35rem; line-height: 1.1; }
.summary-item span { color: var(--muted); font-size: .74rem; }

.card-grid { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.drill-card, .pack-card, .library-item {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(145deg, rgba(23,39,32,.98), rgba(14,26,21,.98));
  box-shadow: var(--shadow);
}
.drill-card { display: flex; flex-direction: column; min-height: 310px; padding: 21px; }
.card-top, .library-title-row { display: flex; align-items: start; justify-content: space-between; gap: 16px; }
.spot { margin-bottom: 12px; color: var(--muted); font-size: .88rem; }
.idea { margin-bottom: 18px; color: #d6e5dc; }
.status {
  flex: none;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(103,215,154,.12);
  color: var(--green);
  font-size: .72rem;
  font-weight: 750;
}
.status.Stable { color: var(--blue); background: rgba(125,184,234,.12); }
.status.Mastered { color: var(--amber); background: rgba(239,186,98,.12); }
.card-meta { display: flex; flex-wrap: wrap; gap: 8px; margin-top: auto; }
.chip { padding: 5px 8px; border-radius: 7px; background: var(--surface-3); color: var(--muted); font-size: .73rem; }
.reports { margin: 15px 0 17px; padding-top: 14px; border-top: 1px solid var(--line); }
.reports-label { display: block; margin-bottom: 7px; color: var(--faint); font-size: .72rem; font-weight: 750; letter-spacing: .08em; text-transform: uppercase; }
.report-links { display: flex; flex-wrap: wrap; gap: 7px 12px; }
.report-links a { color: var(--blue); font-size: .82rem; text-decoration: none; }
.report-links a:hover { text-decoration: underline; }
.card-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.primary, .link-button, .pack-button { padding: 10px 14px; background: var(--green); color: #07110c; text-decoration: none; }
.secondary { padding: 10px 14px; background: var(--surface-3); color: var(--text); }
.primary:hover, .link-button:hover, .pack-button:hover { filter: brightness(1.08); }
.secondary:hover { background: #294437; }

.review-button { display: inline-grid; gap: 1px; align-content: center; border: 1px solid transparent; line-height: 1.2; text-align: left; }
.review-button > span { font-weight: 800; }
.review-button > small { font-size: .64rem; font-weight: 750; opacity: .92; }
.review-button.review-new, .next-button.review-new { border-color: var(--blue); background: rgba(125,184,234,.14); color: #eff8ff; }
.review-button.review-due, .next-button.review-due { border-color: var(--amber); background: rgba(239,186,98,.15); color: #fff4dc; }
.review-button.review-overdue, .next-button.review-overdue { border-color: var(--red); background: rgba(239,123,114,.16); color: #ffedeb; }
.review-button.review-upcoming, .next-button.review-upcoming { border-color: var(--green); background: rgba(103,215,154,.14); color: #edfff5; }
.review-button.review-waiting, .next-button.review-waiting { border-color: var(--violet); background: rgba(179,156,244,.15); color: #f2edff; }
.review-button.review-unscheduled, .next-button.review-unscheduled { border-color: var(--line); background: var(--surface-3); color: var(--muted); }
.review-surface { border-left-width: 3px; }
.review-surface.review-new { border-left-color: var(--blue); }
.review-surface.review-due { border-left-color: var(--amber); }
.review-surface.review-overdue { border-left-color: var(--red); }
.review-surface.review-upcoming { border-left-color: var(--green); }
.review-surface.review-waiting { border-left-color: var(--violet); }
.review-state { display: inline-flex; align-items: center; padding: 4px 7px; border: 1px solid currentColor; border-radius: 999px; font-size: .68rem; font-weight: 800; }
.review-state.review-new { color: var(--blue); }
.review-state.review-due { color: var(--amber); }
.review-state.review-overdue { color: var(--red); }
.review-state.review-upcoming { color: var(--green); }
.review-state.review-waiting { color: var(--violet); }
.review-state.review-unscheduled { color: var(--muted); }

.empty { padding: 48px 22px; border: 1px dashed var(--line); border-radius: 16px; color: var(--muted); text-align: center; }
.empty strong { display: block; margin-bottom: 8px; color: var(--text); font-size: 1.1rem; }

.map-system-buttons { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0 14px; }
.map-system {
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  cursor: pointer;
  font-weight: 700;
}
.map-system:hover, .map-system.active { border-color: var(--green); background: var(--green-dark); color: var(--text); }
.decision-map {
  position: relative;
  min-height: 410px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: radial-gradient(circle at 50% 0, rgba(103,215,154,.08), transparent 23rem), rgba(9,17,14,.55);
  padding: 20px 18px 34px;
}
.map-caption { position: relative; z-index: 2; display: grid; justify-items: center; text-align: center; }
.map-caption strong { font-size: 1.05rem; }
.map-caption span { color: var(--muted); font-size: .82rem; }
.map-caption small { margin-top: 4px; color: var(--faint); }
.map-lines { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; }
.map-lines path { fill: none; stroke: var(--line); stroke-width: 2; }
.map-level { position: relative; z-index: 1; display: flex; flex-wrap: wrap; justify-content: center; gap: 14px; margin-top: 52px; }
.map-level + .map-level { margin-top: 76px; }
.map-node {
  width: min(188px, 100%);
  min-height: 150px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 13px;
  background: var(--surface-2);
  color: var(--text);
  text-align: left;
  box-shadow: 0 12px 32px rgba(0,0,0,.2);
}
.map-node:hover { border-color: #4c6d5b; transform: translateY(-1px); }
.map-node.selected { border-color: var(--green); background: linear-gradient(145deg, var(--green-dark), var(--surface-2)); box-shadow: 0 0 0 2px rgba(103,215,154,.12); }
.map-node-select {
  width: 100%;
  min-height: 112px;
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 14px;
  border: 0;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  text-align: left;
}
.map-node-review {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 9px 13px;
  border: 0;
  border-top: 1px solid var(--line);
  background: rgba(103,215,154,.07);
  color: var(--green);
  cursor: pointer;
  font-size: .72rem;
  font-weight: 800;
}
.map-node-review:hover { filter: brightness(1.08); }
.map-node-review-status { display: inline-flex; align-items: center; gap: 7px; color: var(--muted); font-size: .66rem; }
.map-node-relation { color: var(--green); font-size: .66rem; font-weight: 800; letter-spacing: .09em; text-transform: uppercase; }
.map-node strong { margin-top: 6px; line-height: 1.25; }
.map-node-meta { margin-top: auto; padding-top: 8px; color: var(--muted); font-size: .72rem; }
.map-node-versions { margin-top: 6px; color: var(--amber); font-size: .68rem; font-weight: 700; }
.map-branches { padding: 10px; border-top: 1px solid var(--line); }
.map-branch-label { display: block; margin-bottom: 7px; color: var(--muted); font-size: .7rem; }
.map-branch-options { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 6px; }
.map-branch { min-height: 44px; padding: 7px; border: 1px solid var(--line); border-radius: 7px; background: var(--surface); color: var(--text); font: inherit; font-size: .72rem; cursor: pointer; }
.map-branch:only-child { grid-column: 1 / -1; }
.map-branch:hover, .map-branch.active { border-color: var(--green); background: var(--green-dark); }
.map-branch:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
.map-branch-note { margin: 8px 0 0; color: var(--muted); font-size: .72rem; line-height: 1.45; }
.map-detail { display: grid; grid-template-columns: minmax(260px,.72fr) minmax(500px,1.28fr); align-items: start; gap: 16px; margin-top: 16px; }
.map-detail-main, .variant-panel, .decision-drills, .decision-practice-panel { border: 1px solid var(--line); border-radius: 16px; background: var(--surface); padding: 20px; }
.map-detail-main > p:not(.eyebrow):not(.spot):not(.tree-connection) { color: #d6e5dc; }
.map-detail-side { display: grid; gap: 12px; align-content: start; }
.decision-practice-panel > .eyebrow { margin-bottom: 8px; }
.exercise-inventory-head { padding-bottom: 14px; }
.exercise-inventory-head h3 { margin: 0; font-size: 1.12rem; }
.exercise-inventory-head p { margin: 5px 0 0; color: var(--muted); font-size: .8rem; }
.study-context-tabs { display: grid; grid-template-columns: repeat(auto-fit,minmax(104px,1fr)); gap: 6px; padding: 12px 0; border-top: 1px solid var(--line); }
.study-context-tab { display: grid; gap: 2px; min-width: 0; padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); color: var(--text); cursor: pointer; text-align: left; }
.study-context-tab:hover { border-color: #4c6d5b; }
.study-context-tab.active { border-color: var(--green); background: var(--green-dark); box-shadow: inset 0 0 0 1px rgba(103,215,154,.1); }
.study-context-tab strong { font-size: .76rem; }
.study-context-tab span { color: var(--muted); font-size: .64rem; }
.study-context-summary { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: start; gap: 14px; padding: 11px 12px; border-left: 2px solid var(--green); background: rgba(23,39,32,.58); }
.study-context-summary strong, .study-context-summary span { display: block; }
.study-context-summary strong { font-size: .82rem; }
.study-context-summary span { margin-top: 3px; color: var(--muted); font-size: .72rem; line-height: 1.35; }
.study-context-summary small { color: var(--faint); font-size: .66rem; text-align: right; }
.study-section { margin-top: 14px; }
.study-section > header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.study-section > header strong { font-size: .78rem; }
.study-section > header span { display: grid; min-width: 23px; height: 23px; padding: 0 6px; place-items: center; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .66rem; font-weight: 750; }
.study-practice-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
.study-practice-item { min-height: 94px; align-content: center; border: 1px solid var(--line); border-left: 2px solid var(--green); border-radius: 9px; background: rgba(23,39,32,.58); }
.study-practice-item p span { color: var(--faint); font-weight: 650; }
.study-practice-item .link-button, .study-practice-item button { white-space: nowrap; }
.study-report-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 7px; }
.study-report { display: grid; gap: 3px; min-height: 80px; padding: 11px 12px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); color: var(--text); text-decoration: none; }
.study-report:hover { border-color: #4c6d5b; }
.study-report > span { color: var(--green); font-size: .6rem; font-weight: 800; letter-spacing: .08em; }
.study-report.supporting { background: rgba(20,35,45,.72); border-color: #304b5d; }
.study-report.supporting > span { color: var(--blue); }
.study-report strong { font-size: .77rem; line-height: 1.25; }
.study-report small { color: var(--muted); font-size: .66rem; line-height: 1.3; }
.study-empty { margin-top: 14px; padding: 16px; border: 1px dashed var(--line); border-radius: 9px; color: var(--muted); font-size: .76rem; text-align: center; }
.exercise-inventory { display: grid; gap: 16px; padding: 15px 0 16px; border-top: 1px solid var(--line); }
.exercise-group > header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; }
.exercise-group > header strong { font-size: .78rem; }
.exercise-group > header span { display: grid; min-width: 23px; height: 23px; padding: 0 6px; place-items: center; border: 1px solid var(--line); border-radius: 999px; color: var(--muted); font-size: .66rem; font-weight: 750; }
.exercise-group-items { display: grid; gap: 6px; }
.practice-primary { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 18px; padding-bottom: 16px; }
.practice-primary h3 { margin: 0; font-size: 1.12rem; }
.practice-primary p { margin: 5px 0 0; color: var(--muted); font-size: .8rem; }
.practice-primary .primary { white-space: nowrap; }
.decision-disclosure { border-top: 1px solid var(--line); }
.decision-disclosure > summary { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 13px 2px; color: var(--text); cursor: pointer; list-style: none; font-size: .82rem; font-weight: 700; }
.decision-disclosure > summary::-webkit-details-marker { display: none; }
.decision-disclosure > summary::after { content: '＋'; color: var(--green); order: 3; }
.decision-disclosure[open] > summary::after { content: '−'; }
.decision-disclosure > summary small { margin-left: auto; color: var(--faint); font-size: .7rem; font-weight: 600; }
.decision-disclosure-body { padding: 0 0 14px; }
.decision-disclosure .decision-drill-list { margin-top: 0; }
.practice-path { display: grid; gap: 4px; }
.practice-stage { display: grid; grid-template-columns: 28px minmax(0,1fr); gap: 10px; position: relative; padding: 7px 0 12px; }
.practice-stage:not(:last-child)::after { content: ''; position: absolute; left: 13px; top: 34px; bottom: -5px; width: 1px; background: var(--line); }
.practice-stage-number { z-index: 1; display: grid; place-items: center; width: 27px; height: 27px; border: 1px solid #47705a; border-radius: 50%; background: var(--green-dark); color: var(--green); font-size: .72rem; font-weight: 800; }
.practice-stage-content > header { margin: 2px 0 8px; }
.practice-stage-content > header strong, .practice-stage-content > header span { display: block; }
.practice-stage-content > header strong { font-size: .82rem; }
.practice-stage-content > header span { margin-top: 2px; color: var(--muted); font-size: .7rem; }
.practice-stage-items { display: grid; gap: 6px; }
.practice-path-item { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 10px; padding: 10px 11px; border-left: 2px solid var(--green); background: rgba(23,39,32,.58); }
.practice-path-item p { margin: 0 0 2px; color: var(--green); font-size: .62rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.practice-path-item strong, .practice-path-item small { display: block; }
.practice-path-item small { margin-top: 3px; color: var(--muted); font-size: .7rem; }
.practice-path-item button { white-space: nowrap; }
.compact-variant-list { display: grid; gap: 6px; }
.compact-variant { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 9px 10px; border-left: 2px solid var(--line); background: rgba(23,39,32,.58); }
.compact-variant.current { border-left-color: var(--green); }
.compact-variant strong, .compact-variant span { display: block; }
.compact-variant span { margin-top: 2px; color: var(--muted); font-size: .7rem; }
.compact-variant a { color: var(--blue); font-size: .75rem; text-decoration: none; }
.compact-report-list { display: grid; gap: 5px; margin-top: 12px; padding-top: 11px; border-top: 1px solid var(--line); }
.compact-report-list a { color: var(--blue); font-size: .75rem; text-decoration: none; }
.compact-range-link { width: 100%; margin-top: 8px; }
.tree-connection { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: .78rem; }
.tree-connection button, .focus-links button, .variant-select {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--blue);
  cursor: pointer;
  font-weight: 700;
}
.scenario-context { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0; }
.scenario-context span { padding: 5px 8px; border-radius: 7px; background: var(--surface-3); color: var(--muted); font-size: .72rem; }
.map-detail-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.map-detail-actions .map-report { display: inline-flex; align-items: center; text-decoration: none; }
.decision-drill-list { display: grid; gap: 8px; margin-top: 12px; }
.decision-drill-row { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 12px; padding: 12px 13px; border-left: 2px solid var(--line); background: rgba(23,39,32,.58); }
.decision-drill-row.current { border-left-color: var(--green); }
.decision-drill-row p { margin: 0 0 2px; color: var(--green); font-size: .66rem; font-weight: 800; letter-spacing: .07em; text-transform: uppercase; }
.decision-drill-row strong, .decision-drill-row small { display: block; }
.decision-drill-row small { margin-top: 3px; color: var(--muted); font-size: .72rem; }
.decision-drill-row .link-button { white-space: nowrap; }
.variant-title { display: flex; align-items: start; justify-content: space-between; gap: 14px; }
.variant-title > span { padding: 4px 8px; border-radius: 999px; background: var(--surface-3); color: var(--muted); font-size: .72rem; }
.variant-list { display: grid; gap: 8px; margin-top: 12px; }
.variant-card { padding: 12px 13px; border-left: 2px solid var(--line); background: rgba(23,39,32,.58); }
.variant-card.current { border-left-color: var(--green); }
.variant-head { display: flex; justify-content: space-between; gap: 10px; }
.variant-head span { color: var(--amber); font-size: .78rem; font-weight: 750; }
.variant-card p { margin: 2px 0 4px; color: var(--muted); font-size: .76rem; }
.variant-card small { display: block; color: #c6d7cd; }
.variant-card a, .variant-select { display: inline-block; margin-top: 7px; color: var(--blue); font-size: .76rem; text-decoration: none; }
.variant-empty { color: var(--muted); font-size: .84rem; }
.focus-links { display: flex; flex-wrap: wrap; gap: 8px 12px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
.focus-links > span { width: 100%; color: var(--faint); font-size: .7rem; font-weight: 750; letter-spacing: .07em; text-transform: uppercase; }

.pack-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin-top: 26px; }
.pack-card { display: flex; flex-direction: column; padding: 22px; }
.pack-card .pack-number { color: var(--green); font-size: 2.4rem; font-weight: 750; line-height: 1; }
.pack-card .pack-subtitle { color: var(--muted); font-size: .82rem; }
.pack-members { display: flex; flex-wrap: wrap; gap: 7px; margin: 16px 0 22px; }
.pack-button { width: 100%; margin-top: auto; }

.search-label { color: var(--muted); font-size: .78rem; }
input[type="search"], input[type="number"], textarea {
  display: block;
  width: 100%;
  margin-top: 5px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  padding: 10px 12px;
}
input[type="search"] { min-width: min(340px, 70vw); }
input:focus, textarea:focus { outline: 2px solid var(--green); outline-offset: 1px; }
.library-list { display: grid; gap: 10px; }
.library-item { padding: 17px 19px; box-shadow: none; }
.library-item-body { display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: end; }
.library-item .reports { margin-bottom: 0; }
.due-text { color: var(--amber); font-size: .78rem; }

.progress-layout { display: grid; grid-template-columns: minmax(0,1.1fr) minmax(280px,.9fr); gap: 28px; margin-top: 28px; }
.concept-list, .history-list { display: grid; gap: 10px; margin-top: 12px; }
.concept-row, .history-row { padding: 14px 16px; border: 1px solid var(--line); border-radius: 12px; background: rgba(17,29,24,.78); }
.concept-head { display: flex; justify-content: space-between; gap: 16px; }
.concept-head span, .history-row p { color: var(--muted); font-size: .78rem; }
.grade-bars { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 12px; }
.grade-bar label { display: flex; justify-content: space-between; color: var(--muted); font-size: .72rem; }
.track { height: 6px; margin-top: 5px; overflow: hidden; border-radius: 999px; background: var(--surface-3); }
.track span { display: block; height: 100%; border-radius: inherit; background: var(--green); }
.grade-bar.understanding .track span { background: var(--blue); }
.history-row strong { display: block; }
.history-row p { margin: 4px 0 0; }

dialog {
  width: min(680px, calc(100% - 28px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--surface-2);
  color: var(--text);
  padding: 24px;
  box-shadow: 0 28px 100px rgba(0,0,0,.58);
}
dialog::backdrop { background: rgba(2,7,5,.78); backdrop-filter: blur(4px); }
.dialog-head { display: flex; justify-content: space-between; gap: 20px; }
.icon-button { align-self: start; width: 36px; height: 36px; background: var(--surface-3); color: var(--text); font-size: 1.35rem; }
.question-box { margin: 12px 0 20px; padding: 15px 17px; border-left: 3px solid var(--green); background: var(--green-dark); }
.question-box span { color: var(--green); font-size: .72rem; font-weight: 750; text-transform: uppercase; letter-spacing: .08em; }
.question-box p { margin: 4px 0 0; }
.form-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
label, legend { color: #d7e5dc; font-size: .84rem; font-weight: 650; }
label span { color: var(--faint); font-weight: 500; }
fieldset { margin: 18px 0 0; padding: 0; border: 0; }
.grade-row { display: grid; grid-template-columns: repeat(4,1fr); gap: 8px; margin-top: 8px; }
.grade-option { position: relative; }
.grade-option input { position: absolute; opacity: 0; }
.grade-option label { display: block; min-height: 62px; padding: 9px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); cursor: pointer; }
.grade-option strong, .grade-option small { display: block; }
.grade-option small { margin-top: 2px; color: var(--muted); font-weight: 500; }
.grade-option input:checked + label { border-color: var(--green); background: var(--green-dark); }
textarea { resize: vertical; }
.dialog-actions { display: flex; justify-content: end; gap: 9px; margin-top: 20px; }
.error { min-height: 1.5em; margin: 10px 0 0; color: var(--red); }

.session-plan { display: grid; gap: 10px; margin-top: 24px; }
.session-row { display: grid; grid-template-columns: 44px 1fr auto; gap: 12px; align-items: center; padding: 13px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.session-index { display: grid; width: 34px; height: 34px; place-items: center; border-radius: 50%; background: var(--surface-3); color: var(--green); font-weight: 750; }
.session-row p { margin: 2px 0 0; color: var(--muted); font-size: .78rem; }
.mini-reports { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 6px; }
.mini-reports a { color: var(--blue); font-size: .72rem; text-decoration: none; }
.mini-reports a:hover { text-decoration: underline; }
.session-actions { display: flex; gap: 7px; }
.session-actions a, .session-actions button { padding: 8px 10px; font-size: .78rem; }
.session-note { margin: 16px 0 0; color: var(--muted); font-size: .82rem; }

.toast { position: fixed; right: 20px; bottom: 20px; max-width: min(380px, calc(100% - 40px)); padding: 12px 16px; border-radius: 10px; background: var(--green); color: #07110c; font-weight: 750; opacity: 0; transform: translateY(12px); pointer-events: none; transition: .18s ease; }
.toast.show { opacity: 1; transform: translateY(0); }

.position-range-group { padding: 17px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.position-range-group header { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 13px; }
.position-range-group h3 { margin: 3px 0 0; font-size: 1.12rem; }
.position-range-group .eyebrow { margin: 0; }
.position-range-group header > small { max-width: 140px; color: var(--muted); text-align: right; font-size: .76rem; }
.position-range-actions { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 9px; }
.position-range-actions button { min-width: 0; padding: 11px 12px; text-align: left; }
.position-range-actions button > span { display: flex; align-items: center; justify-content: space-between; gap: 6px; }
.position-range-actions button > small { display: block; margin-top: 5px; white-space: normal; font-size: .72rem; }

@media (max-width: 820px) {
  .card-grid, .pack-grid { grid-template-columns: 1fr; }
  .progress-layout { grid-template-columns: 1fr; }
  .hero-row { align-items: start; flex-direction: column; }
  .hero-side { width: 100%; flex-direction: column; }
  .next-drill { min-width: 0; }
  .summary-grid { width: 100%; }
  .map-detail { grid-template-columns: 1fr; }
  .study-practice-grid, .study-report-grid { grid-template-columns: 1fr; }
  .map-lines { display: none; }
  .map-level, .map-level + .map-level { margin-top: 24px; }
  .map-node { flex: 1 1 180px; }
  .scenario-picker { grid-template-columns: 1fr auto; }
  .scenario-picker-copy { grid-column: 1 / -1; }
}
@media (max-width: 620px) {
  .site-header, .tabs, .scenario-picker, main { width: min(100% - 24px, 1120px); }
  .site-header { min-height: 120px; align-items: start; flex-direction: column; gap: 10px; }
  .header-note { text-align: left; }
  .tabs { overflow-x: auto; }
  .tab { white-space: nowrap; }
  .library-head { align-items: start; flex-direction: column; }
  input[type="search"] { min-width: 0; }
  .form-grid, .grade-row { grid-template-columns: repeat(2, 1fr); }
  .library-item-body { grid-template-columns: 1fr; }
  .session-row { grid-template-columns: 34px 1fr; }
  .session-actions { grid-column: 2; }
  .scenario-picker { grid-template-columns: 1fr; gap: 14px; }
  .scenario-stats { justify-self: start; }
  .practice-primary { grid-template-columns: 1fr; }
  .practice-primary .primary { width: 100%; }
  .study-context-tabs { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .study-context-summary { grid-template-columns: 1fr; }
  .study-context-summary small { text-align: left; }
}