/* Shared product system and practice workspace. */
:root {
  --ink: #142d49;
  --muted: #607086;
  --teal: #087f83;
  --teal-dark: #05666a;
  --mint: #e4f3f1;
  --paper: #f4f7fa;
  --white: #ffffff;
  --line: #dfe6ed;
  --sand: #fff5d9;
  --red: #b54041;
  --orange: #8b6519;
  --radius: 12px;
  --shadow: 0 3px 10px rgb(20 45 73 / 3%);
  --yellow: #f4c75e;
  font-family: "Source Sans 3", "Segoe UI", Arial, sans-serif;
  background: var(--paper);
  color: var(--ink);
}
body { font-family: "Source Sans 3", "Segoe UI", Arial, sans-serif; font-size: 18px; line-height: 1.55; }
input, select, textarea { font-family: inherit; }
h1, h2, h3, h4, button, .btn, nav, .brand { font-family: "Manrope", "Segoe UI", Arial, sans-serif; }
h1, h2, h3, h4 { color: var(--ink); }
h1 { font-size: clamp(30px, 3.3vw, 40px); line-height: 1.16; letter-spacing: -1.3px; font-weight: 730; margin-bottom: 13px; }
h2 { font-size: 24px; line-height: 1.25; letter-spacing: -.5px; font-weight: 700; }
h3 { font-size: 18px; line-height: 1.4; font-weight: 650; }
p { line-height: 1.7; }
a, button { transition: background-color .16s, color .16s, border-color .16s; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible, summary:focus-visible { outline: 3px solid #53b8c4; outline-offset: 3px; }
.eyebrow { font-size: 11px; letter-spacing: 1.3px; font-weight: 750; color: var(--teal); margin-bottom: 12px; }
.btn { background: white; border: 1px solid #cbd5df; border-radius: 7px; min-height: 44px; padding: 11px 18px; font-size: 14px; line-height: 1.35; font-weight: 650; color: var(--ink); }
.btn:hover { background: #f0f5f8; border-color: #9dacbb; }
.btn-primary { color: white; background: var(--teal); border-color: var(--teal); }
.btn-primary:hover { background: var(--teal-dark); border-color: var(--teal-dark); color: white; }
.btn-quiet { border-color: transparent; background: transparent; color: var(--muted); }
.btn-quiet:hover { border-color: transparent; }
.btn-danger { color: var(--red); border-color: #e4bdc0; }
.btn-sm { font-size: 12px; padding: 8px 12px; min-height: 36px; }
.btn svg { width: 17px; height: 17px; flex-shrink: 0; }
.inline-link { font-size: 13px; font-weight: 650; color: var(--teal); }
.badge { font-size: 11px; border-radius: 5px; padding: 5px 8px; background: #edf2f6; color: #50627a; }
.badge-green { background: var(--mint); color: #087268; }
.badge-sand, .badge-due { background: var(--sand); color: #815d12; }
.badge-red { background: #fae9e8; color: var(--red); }
.panel { background: white; border: 1px solid var(--line); border-radius: 12px; padding: 26px; box-shadow: var(--shadow); }
.section-title { margin-bottom: 20px; align-items: baseline; }
.section-title h2 { font-size: 20px; letter-spacing: -.4px; }
.section-title > p { margin: 0; font-size: 13px; color: var(--muted); }
.page-heading { max-width: 850px; margin-bottom: 30px; }
.page-heading > p:last-child { font-size: 18px; line-height: 1.6; max-width: 720px; color: var(--muted); }
.heading-row h1 { font-size: 36px; }
.back-link { font-size: 13px; margin-bottom: 22px; }

/* Public navigation is intentionally separate from the study workspace. */
.public-header { display: none; background: white; border-bottom: 1px solid #e9eef2; padding: 0 max(32px, calc((100vw - 1200px) / 2)); min-height: 84px; align-items: center; justify-content: space-between; gap: 28px; }
.public-header-inner { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: inline-flex; align-items: center; gap: 9px; font-size: 22px; letter-spacing: -.85px; font-weight: 750; color: var(--ink); margin: 0; white-space: nowrap; }
.brand-symbol { display: inline-flex; flex-shrink: 0; align-items: center; justify-content: center; width: 34px; height: 36px; color: var(--teal); }
.brand-symbol svg { width: 100%; height: 100%; }
.brand-name { line-height: 1.2; }
.brand small { font-size: 10px; font-weight: 450; letter-spacing: 0; color: var(--muted); margin-top: 6px; }
.public-nav { display: flex; align-items: center; gap: 29px; }
.public-nav a { display: inline-flex; color: #43556c; font-size: 14px; padding: 10px 0; background: none; font-weight: 550; border-radius: 0; gap: 0; }
.public-nav a:hover { color: var(--teal); background: none; }
.public-actions { display: flex; align-items: center; gap: 17px; }
.public-actions > a:not(.btn) { font-size: 14px; font-weight: 650; text-decoration: none; color: var(--ink); }
.public-actions > a:not(.btn):hover { color: var(--teal); }
.public-actions .btn { min-height: 43px; padding: 11px 19px; white-space: nowrap; }
.marketing-page { background: white; }
.marketing-page .public-header { display: flex; }
.marketing-page .app-shell, .marketing-page .workspace { display: block; min-height: auto; }
.marketing-page .sidebar, .marketing-page .topbar { display: none; }
.marketing-page #app { max-width: none; padding: 0; margin: 0; }
.marketing-page .site-footer { padding: 30px max(32px, calc((100vw - 1200px) / 2)); background: #f5f8fa; }

/* Study navigation and page frame. */
.app-shell { grid-template-columns: 224px minmax(0, 1fr); }
.sidebar { padding: 26px 16px 22px; background: white; color: var(--ink); border-right: 1px solid var(--line); height: 100vh; overflow-y: auto; }
.sidebar .brand { margin: 1px 5px 32px; font-size: 21px; }
.sidebar .brand-symbol { width: 31px; height: 33px; }
.sidebar-section { color: #8290a0; }
#main-nav { display: grid; gap: 4px; }
.nav-group-label { font-size: 10px; letter-spacing: 1.3px; font-weight: 700; text-transform: uppercase; color: #8391a1; padding: 14px 12px 8px; }
.nav-group-label:first-child { padding-top: 0; }
#main-nav a { color: #53647a; font-size: 14px; font-weight: 550; border-radius: 7px; padding: 11px 12px; min-height: 45px; gap: 11px; border: 1px solid transparent; }
#main-nav a svg { width: 19px; height: 19px; flex-shrink: 0; stroke-width: 1.7; }
#main-nav a span { width: auto; font-family: inherit; font-size: inherit; font-weight: inherit; text-align: left; line-height: 1.3; }
#main-nav a:hover { background: #f1f5f8; color: var(--ink); }
#main-nav a.active { color: #076c70; background: #e8f4f3; font-weight: 650; }
#main-nav a.active:after { display: none; }
.sidebar-route { border-color: var(--line); margin: 26px 7px 16px; padding-top: 22px; }
.sidebar-route label { color: #7b899a; letter-spacing: 1px; font-size: 9px; margin-bottom: 10px; }
.sidebar-route select { background: #f8fafb; color: #344d66; border: 1px solid var(--line); font-size: 11px; line-height: 1.4; border-radius: 6px; padding: 10px 7px; }
.sidebar-route p { color: var(--muted); font-size: 11px; line-height: 1.6; margin: 10px 0 0; }
.sidebar-bottom { padding: 14px 7px 0; }
.sidebar-bottom > a { font-size: 12px; color: #5a6d80; padding: 12px 0; }
.sidebar-bottom > a.active { color: var(--teal); }
.beta-note { font-size: 11px; color: #65788d; border-color: var(--line); }
.beta-note small { color: #7b899a; margin-left: 13px; }
.status-dot { background: var(--teal); }
.topbar { height: 68px; background: white; padding: 0 38px; border-color: var(--line); }
.breadcrumb { letter-spacing: .1px; font-size: 12px; font-weight: 500; color: #8694a4; gap: 12px; }
.breadcrumb #page-label { color: #455b73; font-weight: 600; }
.topbar-right { font-size: 11px; gap: 17px; }
.topbar-right > a { color: #607086; text-decoration: none; font-size: 12px; }
.topbar-right > a:hover { color: var(--teal); }
.local-badge { background: #f0f5f8; color: #677b8e; font-size: 9px; border-radius: 4px; padding: 5px 7px; }
.mobile-settings { font-size: 12px; }
#app { max-width: 1260px; padding: 34px 38px 52px; }
.site-footer { border-top: 1px solid var(--line); color: #7e8a99; padding: 23px 38px; font-size: 11px; gap: 18px; }
.site-footer a { color: #566d82; }
.site-footer a:hover { color: var(--teal); text-decoration: underline; }
.toast { background: var(--ink); border-radius: 9px; font-size: 13px; }
.storage-alert { margin: 18px 38px 0; font-size: 13px; }

/* A visible sequence from the next session to the full preparation path. */
.plan-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; margin-bottom: 28px; }
.plan-heading .page-heading { margin: 0; }
.plan-heading h1 { margin-bottom: 10px; }
.plan-profile { flex-shrink: 0; border: 1px solid var(--line); border-radius: 8px; background: white; padding: 14px 17px; font-size: 12px; line-height: 1.6; color: var(--muted); min-width: 180px; max-width: 240px; }
.plan-profile strong { display: block; color: var(--ink); font-size: 13px; margin-bottom: 3px; }
.plan-profile a { display: inline-block; color: var(--teal); text-decoration: none; font-size: 12px; margin-top: 6px; }
.plan-profile p { margin: 0; font-size: 12px; }
.plan-overview { display: grid; grid-template-columns: minmax(0, 1.9fr) minmax(240px, 1fr); gap: 22px; margin-bottom: 28px; }
.next-session { padding: 30px 32px; border-radius: 12px; background: var(--ink); color: white; min-height: 258px; display: flex; flex-direction: column; align-items: flex-start; }
.next-session .eyebrow { color: #8dd8d5; margin-bottom: 18px; }
.next-session h2 { color: white; font-size: 29px; line-height: 1.22; letter-spacing: -.7px; margin-bottom: 12px; }
.next-session > p:not(.eyebrow) { color: #bdccda; font-size: 17px; line-height: 1.6; margin-bottom: 24px; max-width: 530px; }
.next-session .btn-primary { color: var(--ink); background: var(--yellow); border-color: var(--yellow); margin-top: auto; }
.next-session .btn-primary:hover { background: #ffda7b; border-color: #ffda7b; }
.next-session .session-heading { display: flex; align-items: center; justify-content: space-between; gap: 15px; width: 100%; margin-bottom: 18px; }
.next-session .session-heading .eyebrow { margin: 0; }
.next-session .session-heading > span { font-size: 12px; color: #bdd1df; }
.next-session .focus-meta, .next-session small { color: #b5c8d7; font-size: 12px; }
.plan-snapshot { border: 1px solid var(--line); background: white; border-radius: 12px; padding: 25px; }
.plan-snapshot h2 { font-size: 18px; margin-bottom: 16px; }
.plan-stat { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid #edf1f5; font-size: 15px; color: #64768a; }
.plan-stat:last-of-type { border-bottom: 0; }
.plan-stat strong { font-size: 19px; line-height: 1.3; letter-spacing: -.4px; color: var(--ink); font-variant-numeric: tabular-nums; }
.plan-stat strong small { font-size: 12px; font-weight: 400; color: #8a99a8; margin-left: 2px; }
.plan-snapshot > p { font-size: 11px; line-height: 1.6; color: #8090a0; margin: 11px 0 0; }
.learning-path { background: white; border: 1px solid var(--line); border-radius: 12px; padding: 25px 28px 9px; margin-bottom: 28px; }
.learning-path .section-title { margin-bottom: 10px; }
.learning-path .section-title > span { font-size: 13px; color: #8b9ba9; }
.path-step { position: relative; display: grid; grid-template-columns: 40px minmax(0, 1fr) auto; gap: 19px; align-items: center; padding: 23px 0; border-bottom: 1px solid #e7edf2; }
.path-step:last-child { border-bottom: 0; }
.path-number { position: relative; z-index: 1; display: flex; align-items: center; justify-content: center; width: 38px; height: 38px; border: 1px solid #dbe4ed; background: #f3f6f9; border-radius: 50%; color: #76899b; font-size: 14px; font-weight: 700; }
.path-step h3 { font-size: 17px; margin: 0 0 5px; letter-spacing: -.2px; }
.path-step p { font-size: 16px; color: var(--muted); line-height: 1.55; margin: 0; }
.path-meta { display: block; color: #7b8999; font-size: 13px; margin-top: 7px; }
.path-step .btn { font-size: 12px; min-width: 116px; min-height: 39px; }
.path-step.is-current .path-number { background: var(--teal); border-color: var(--teal); color: white; box-shadow: 0 0 0 5px #edf7f6; }
.path-step.is-complete .path-number { color: var(--teal); background: var(--mint); border-color: #c2e3de; }
.plan-bottom { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; }
.plan-bottom .panel { padding: 24px 26px; }
.plan-bottom .section-title h2 { font-size: 18px; }
.note-count { font-size: 12px; color: var(--muted); }
.empty-state { text-align: left; padding: 7px 0 0; color: var(--muted); }
.empty-state h3 { font-size: 15px; font-weight: 600; margin-bottom: 9px; }
.empty-state p { font-size: 16px; line-height: 1.65; margin-bottom: 17px; max-width: 440px; }
.empty-icon { display: none; }
.compact-task strong { font-size: 13px; }
.compact-task p { font-size: 14px; }
.task-square { background: #eaf4f5; color: var(--teal); }

/* First visit: one clear choice before the learning plan. */
.onboarding-page { max-width: 900px; margin: 0 auto; padding: 62px 32px 76px; }
.onboarding-page .page-heading { max-width: 700px; margin-bottom: 30px; }
.onboarding-page h1 { font-size: 39px; }
.onboarding-page form { border: 1px solid var(--line); border-radius: 12px; background: white; padding: 30px; box-shadow: 0 6px 26px rgb(20 45 73 / 4%); }
.onboarding-page fieldset { padding: 0; border: 0; margin: 0; min-width: 0; }
.onboarding-page legend { font-size: 16px; font-weight: 650; padding: 0; margin-bottom: 18px; }
.background-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 13px; }
.background-option { display: flex; align-items: flex-start; gap: 12px; min-height: 115px; border: 1px solid #dbe3eb; border-radius: 8px; background: #fff; padding: 20px 18px; cursor: pointer; }
.background-option:hover { border-color: #80b4b6; background: #f7fbfb; }
.background-option:has(input:checked) { border-color: var(--teal); background: #eff8f7; box-shadow: 0 0 0 1px var(--teal); }
.background-option input { margin: 3px 0 0; width: 16px; height: 16px; flex-shrink: 0; }
.background-option strong { display: block; font-size: 15px; margin-bottom: 6px; }
.background-option span { display: block; font-size: 15px; line-height: 1.55; color: var(--muted); }
.start-details { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px; border-top: 1px solid var(--line); margin-top: 27px; padding-top: 25px; }
.start-details > p { grid-column: 1 / -1; margin-bottom: 0; font-size: 13px; color: var(--muted); }
.start-submit { display: flex; align-items: center; justify-content: space-between; gap: 22px; margin-top: 28px; padding-top: 24px; border-top: 1px solid var(--line); }
.start-submit p { font-size: 14px; line-height: 1.6; color: var(--muted); margin: 0; max-width: 410px; }
.start-submit .btn { flex-shrink: 0; min-width: 170px; }

/* Learning and case library. */
.content-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 19px; }
.lesson-card, .content-grid .lesson-card:last-child { min-height: 290px; grid-column: auto; padding: 25px; border-top: 4px solid #9dcbd0; }
.lesson-card:nth-child(2) { border-top-color: #ebca7b; }
.lesson-card:nth-child(3) { border-top-color: #a5aed6; }
.lesson-number { font-size: 11px; font-weight: 650; color: #8190a1; letter-spacing: .4px; margin-bottom: 28px; }
.lesson-card h2 { font-size: 21px; margin-bottom: 12px; }
.lesson-card p { font-size: 16px; line-height: 1.6; margin-bottom: 24px; }
.lesson-card .button-row { align-items: center; gap: 8px; }
.lesson-card .badge { font-size: 10px; }
.article-grid { grid-template-columns: minmax(0, 1fr) 255px; gap: 24px; }
.article { padding: 30px 34px; }
.article h2 { font-size: 21px; margin-top: 27px; }
.article p { font-size: 18px; line-height: 1.75; }
.article .takeaway { border-left: 3px solid var(--teal); border-radius: 0 7px 7px 0; background: #edf7f6; font-size: 17px; padding: 19px 21px; }
.article-aside { order: 0; padding: 23px; }
.article-aside h3 { font-size: 16px; }
.article-aside p { font-size: 15px; line-height: 1.65; }
.article-aside .btn { font-size: 12px; }
.library-header { margin-bottom: 30px; }
.practice-grid { grid-template-columns: minmax(0, 1fr) 240px; gap: 25px; align-items: start; }
.case-library { display: grid; gap: 22px; }
.case-card { display: grid; grid-template-columns: 172px minmax(0, 1fr); overflow: hidden; padding: 0; border: 1px solid var(--line); border-radius: 12px; background: white; box-shadow: var(--shadow); }
.case-cover { min-height: 245px; background: #e1f0f3; display: flex; flex-direction: column; gap: 21px; align-items: center; justify-content: center; padding: 20px 15px; }
.case-cover.airline, .case-cover.northline-air { background: #e2f1f3; }
.case-cover.grocery, .case-cover.loop-basket { background: #fff0df; }
.case-cover.workshop, .case-cover.benchworks-studios { background: #eaeaf7; }
.case-cover > span { font-family: "Manrope", sans-serif; color: #607b8d; font-size: 10px; font-weight: 650; text-align: center; }
.case-cover svg { width: 112px; max-width: 100%; height: auto; overflow: visible; }
.case-body { padding: 23px 25px 24px; min-width: 0; }
.case-masthead { display: flex; align-items: center; gap: 10px; color: var(--teal); font-size: 10px; font-weight: 650; letter-spacing: .3px; margin-bottom: 12px; flex-wrap: wrap; }
.case-masthead .badge { font-size: 10px; padding: 4px 7px; }
.case-number { color: #8393a4; }
.case-duration { margin-left: auto; color: #7d8c9b; font-weight: 400; }
.case-card h2 { font-size: 24px; letter-spacing: -.55px; line-height: 1.2; margin: 0 0 11px; }
.case-card p { font-size: 16px; color: var(--muted); line-height: 1.6; margin-bottom: 14px; }
.case-facts { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; color: #7b8b9b; font-size: 11px; }
.case-facts span { color: #b5c1cb; }
.mode-choices { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 20px; }
.mode-choice { flex: 1 1 145px; border: 0; padding: 0; border-radius: 0; }
.mode-choice .btn { font-size: 12px; padding: 10px 12px; min-height: 41px; }
.mode-choice small { display: block; color: var(--muted); font-size: 10px; margin-top: 7px; }
.library-aside { background: white; border: 1px solid var(--line); border-radius: 12px; padding: 23px; }
.library-aside h2 { font-size: 17px; margin-bottom: 22px; }
.library-aside h3 { font-size: 14px; margin-bottom: 8px; }
.library-aside p { font-size: 15px; line-height: 1.65; color: var(--muted); }
.library-aside .library-note { border-bottom: 1px solid var(--line); padding-bottom: 21px; margin-bottom: 23px; }
.library-aside .section-title { margin-bottom: 18px; }
.library-aside .section-title h2 { font-size: 16px; margin: 0; }
.library-aside .skill-list { margin-bottom: 18px; }
.skill-line { font-size: 12px; }
.skill-track { height: 5px; background: #eaf0f4; }
.skill-track span { background: var(--teal); }
.case-footnote { font-size: 11px !important; margin-top: 20px; }

/* Practice, structured feedback, and saved records. */
.drill-layout { grid-template-columns: 240px minmax(0, 1fr); gap: 23px; }
.drill-picker { padding: 12px; gap: 4px; position: sticky; top: 24px; max-height: min(680px, calc(100vh - 80px)); overflow-y: auto; scrollbar-width: thin; scrollbar-color: #c4d2de transparent; }
.drill-picker .drill-choice { padding: 12px 10px; font-size: 13px; line-height: 1.4; gap: 10px; color: #486078; border-radius: 7px; }
.drill-picker .drill-choice > span:nth-child(2) { flex: 1; width: auto; font-size: inherit; font-weight: inherit; line-height: 1.4; text-align: left; }
.drill-picker .drill-choice > .drill-index { flex-shrink: 0; width: 16px; }
.drill-choice small { font-size: 11px; color: #8998a8; margin-top: 4px; }
.drill-choice .drill-index { color: #8b9bac; font-size: 10px; }
.drill-picker .drill-choice:hover { background: #f1f6f8; }
.drill-picker .drill-choice.active { background: #e6f3f2; color: #076e71; }
.drill-panel { padding: 30px; }
.drill-panel h2 { font-size: 26px; }
.drill-prompt { font-size: 18px; line-height: 1.75; }
.field { font-size: 15px; gap: 8px; }
.field input, .field select, .field textarea, .tracker-controls input, .tracker-controls select { font-size: 14px; padding: 12px; border: 1px solid #cdd8e2; border-radius: 7px; background: white; color: var(--ink); }
.field input:focus, .field select:focus, .field textarea:focus { border-color: var(--teal); }
.field textarea { line-height: 1.75; min-height: 130px; }
.field-help { font-size: 11px; line-height: 1.65; }
.field-checkbox { align-items: center; }
.field-checkbox input { width: auto; }
.feedback { font-size: 17px; line-height: 1.7; background: #f4f7fa; border-radius: 8px; }
.feedback.correct { background: #eef8f3; border-color: #b8ddcd; }
.feedback.incorrect { background: #fff8e8; border-color: #e8d39a; }
.feedback h3 { font-size: 16px; }
.hint { font-size: 16px; }
.practice-notice { color: #6c623d; background: #fff9e9; border-color: #eae0bf; border-radius: 8px; font-size: 12px; line-height: 1.7; }
.case-workspace { grid-template-columns: minmax(0, 1fr) 270px; gap: 24px; }
.case-workspace p { font-size: 18px; line-height: 1.7; }
.case-workspace h2 { font-size: 23px; }
.case-brief { background: #eef4f8; border: 1px solid #e1e9f0; border-radius: 8px; font-size: 17px; padding: 20px; line-height: 1.75; }
.case-aside .panel { padding: 22px; }
.case-aside h3 { font-size: 15px; }
.case-aside p, .case-workspace .exhibit > p { font-size: 15px; line-height: 1.65; }
.case-rubric { font-size: 16px; line-height: 1.7; padding-left: 19px; }
.case-rubric li { margin-bottom: 7px; }
.step-indicator { gap: 7px; margin: 23px 0; }
.step-indicator a { height: 6px; background: #e6edf2; }
.step-indicator a.done { background: #a8d4d0; }
.step-indicator a.current { background: var(--teal); }
.model-answer { background: #edf7f4; border: 1px solid #d5e9e1; border-radius: 8px; padding: 22px; }
.model-answer h3 { font-size: 16px; }
.model-answer h4 { font-size: 13px; }
.model-answer p { font-size: 18px; }
.exhibit h3 { font-size: 16px; }
.data-table { font-size: 15px; }
.data-table th { background: #f5f8fa; padding: 12px; font-size: 11px; font-weight: 650; color: #657b8e; }
.data-table td { padding: 14px 12px; line-height: 1.7; }
.data-table tbody tr:hover { background: #fbfcfd; }
.investigation { padding: 18px; border-radius: 8px; }
.investigation:hover { border-color: #83b7b8; background: #f6fbfb; }
.investigation strong { font-size: 14px; }
.investigation span { font-size: 15px; }
.investigation.opened { background: #eef8f6; border-color: #b4d8d1; }
.tracker-stats { gap: 18px; margin-bottom: 25px; }
.tracker-stat { padding: 22px 23px; border-radius: 10px; }
.tracker-stat strong { font-size: 30px; line-height: 1.2; font-weight: 700; letter-spacing: -.9px; }
.tracker-stat span, .tracker-stat p { font-size: 12px; }
.tracker-coverage { padding: 25px; }
.tracker-coverage h2 { font-size: 20px; }
.tracker-coverage > p { font-size: 16px; }
.coverage-grid { gap: 9px; }
.coverage-button { background: #f6f9fb; padding: 17px 13px; border-radius: 8px; gap: 8px; }
.coverage-button:hover { background: #eef7f7; border-color: #b6d9da; }
.coverage-button[aria-pressed="true"] { background: #e7f4f2; border-color: var(--teal); }
.coverage-name { font-size: 11px; color: #5b7186; }
.coverage-count { font-size: 27px; font-weight: 700; }
.coverage-label { font-size: 10px; }
.tracker-heading h2 { font-size: 21px; }
.tracker-heading p.muted { font-size: 16px; }
.tracker-result-count, .tracker-privacy { font-size: 12px; }
.tracker-subline, .tracker-note { font-size: 12px; }
.tracker-complete { background: #edf8f5; border-color: #b7dcd3; }
.tracker-dialog { padding: 28px; border-radius: 12px; box-shadow: 0 22px 90px rgb(20 45 73 / 22%); }
.tracker-dialog::backdrop { background: rgb(13 35 57 / 45%); }
.settings-grid h2 { font-size: 21px; }
.settings-grid p { font-size: 16px; line-height: 1.7; }
.about-article p, .about-article li { font-size: 18px; line-height: 1.75; }
.about-article h2 { font-size: 23px; }

@media (max-width: 1250px) {
  .public-header { padding-inline: 32px; gap: 20px; }
  .public-nav { gap: 22px; }
  #app { padding: 32px 30px 46px; }
  .topbar { padding-inline: 30px; }
  .practice-grid { grid-template-columns: minmax(0, 1fr) 220px; gap: 20px; }
  .case-card { grid-template-columns: 135px minmax(0, 1fr); }
  .case-body { padding: 22px; }
  .case-card h2 { font-size: 22px; }
  .library-aside { padding: 21px; }
  .plan-overview { grid-template-columns: minmax(0, 1.6fr) minmax(220px, 1fr); }
  .next-session { padding: 28px; }
  .next-session h2 { font-size: 26px; }
  .plan-snapshot { padding: 23px; }
  .lesson-card, .content-grid .lesson-card:last-child { padding: 22px; }
}
@media (max-width: 1080px) {
  .app-shell { grid-template-columns: 210px minmax(0, 1fr); }
  .sidebar { padding-inline: 12px; }
  .sidebar .brand { font-size: 20px; gap: 7px; }
  .public-nav { gap: 17px; }
  .public-actions { gap: 12px; }
  .public-nav a, .public-actions > a:not(.btn) { font-size: 13px; }
  .public-header { gap: 20px; }
  .public-header .brand { font-size: 21px; }
  .plan-heading { flex-direction: column; gap: 18px; }
  .plan-profile { display: flex; align-items: baseline; gap: 13px; flex-wrap: wrap; max-width: none; min-width: 0; padding: 10px 14px; }
  .plan-profile strong, .plan-profile a { margin: 0; }
  .plan-overview { grid-template-columns: minmax(0, 1.5fr) minmax(190px, 1fr); gap: 18px; }
  .next-session { padding: 26px; }
  .next-session h2 { font-size: 25px; }
  .plan-snapshot { padding: 22px; }
  .plan-stat { font-size: 12px; }
  .plan-stat strong { font-size: 17px; }
  .content-grid { grid-template-columns: 1fr; gap: 15px; }
  .lesson-card, .content-grid .lesson-card:last-child { min-height: 0; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 5px 24px; padding: 23px; }
  .lesson-number { grid-column: 1 / -1; margin-bottom: 7px; }
  .lesson-card h2 { margin-bottom: 5px; }
  .lesson-card > p { grid-column: 1; margin: 0; }
  .lesson-card .button-row { grid-column: 2; grid-row: 2 / 4; align-self: center; }
  .lesson-card .button-row .badge { display: none; }
  .practice-grid { grid-template-columns: 1fr; }
  .case-card { grid-template-columns: 170px minmax(0, 1fr); }
  .library-aside { padding: 25px; }
  .article-grid { grid-template-columns: 1fr; }
  .article-aside { order: 0; }
  .article-aside .btn { width: auto; }
  .case-workspace { grid-template-columns: 1fr; }
  .case-aside { display: grid; grid-template-columns: 1fr 1fr; }
  .case-aside .panel:last-child { grid-column: 1 / -1; }
  .drill-layout { grid-template-columns: 195px minmax(0, 1fr); gap: 18px; }
  .drill-panel { padding: 25px; }
  .drill-picker .drill-choice { font-size: 12px; gap: 7px; padding: 11px 8px; }
  .plan-bottom { gap: 18px; }
  .plan-bottom .panel { padding: 23px; }
  .plan-bottom .section-title { flex-wrap: wrap; gap: 7px; }
}
@media (max-width: 820px) {
  .public-header { padding: 0 23px; min-height: 76px; gap: 16px; }
  .public-nav { display: none; }
  .public-actions { margin-left: auto; }
  .public-actions > a:not(.btn) { font-size: 12px; }
  .marketing-page .site-footer { padding: 26px 24px; }
  .app-shell { display: block; }
  .sidebar { display: block; height: auto; position: relative; overflow: visible; padding: 19px 24px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .sidebar .brand { margin: 0 0 18px; font-size: 22px; }
  .sidebar-route, .sidebar-bottom, .sidebar-section, .nav-group-label { display: none; }
  #main-nav { display: flex; flex-wrap: nowrap; gap: 5px; overflow-x: auto; scrollbar-width: none; margin-inline: -24px; padding: 0 24px 11px; }
  #main-nav::-webkit-scrollbar { display: none; }
  #main-nav a { flex: 0 0 auto; font-size: 13px; min-height: 41px; padding: 9px 12px; white-space: nowrap; gap: 8px; }
  #main-nav a svg { width: 16px; height: 16px; }
  .topbar { height: 55px; padding-inline: 26px; }
  .topbar-right #today-date { display: none; }
  #app { padding: 28px 26px 42px; }
  .mobile-settings { display: inline-flex; font-size: 12px; }
  .site-footer { padding: 22px 26px; }
  .storage-alert { margin: 17px 26px 0; }
  .plan-heading { flex-direction: row; gap: 20px; }
  .plan-profile { display: block; min-width: 155px; max-width: 195px; padding: 12px; }
  .plan-profile a { margin-top: 5px; }
  .plan-overview { grid-template-columns: minmax(0, 1.65fr) minmax(195px, 1fr); }
  .plan-stat { font-size: 12px; }
  .plan-bottom { grid-template-columns: 1fr 1fr; }
  .learning-path { padding: 23px 25px 5px; }
  .path-step { grid-template-columns: 35px minmax(0, 1fr) auto; gap: 15px; }
  .path-number { width: 34px; height: 34px; }
  .path-step .btn { min-width: 105px; font-size: 11px; }
  .drill-layout { grid-template-columns: 1fr; }
  .drill-picker { position: static; display: flex; flex-wrap: nowrap; gap: 8px; max-height: none; overflow-y: hidden; overflow-x: auto; padding: 12px 12px 15px; }
  .drill-picker .drill-choice { flex: 0 0 190px; font-size: 12px; align-items: flex-start; }
  .drill-choice small { font-size: 10px; }
  .onboarding-page { padding: 42px 26px 56px; }
  .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  h1 { font-size: 31px; letter-spacing: -.9px; }
  h2 { font-size: 22px; }
  .public-header { min-height: 72px; padding: 0 19px; }
  .public-header .brand { font-size: 20px; gap: 7px; }
  .public-header .brand-symbol { width: 29px; height: 30px; }
  .public-actions { gap: 11px; }
  .public-actions .btn { display: none; }
  .public-actions > a:not(.btn) { display: none; }
  .public-actions > a.header-account { display: inline-flex; align-items: center; min-height: 44px; white-space: nowrap; font-size: 13px; }
  .public-header-inner { gap: 15px; }
  .sidebar { padding: 18px 19px 0; }
  .sidebar .brand { font-size: 21px; margin-bottom: 15px; }
  #main-nav { margin-inline: -19px; padding-inline: 19px; padding-bottom: 10px; gap: 4px; }
  #main-nav a { padding: 9px 11px; font-size: 13px; }
  #main-nav a svg { width: 15px; height: 15px; }
  .topbar { padding: 0 20px; height: 50px; }
  .breadcrumb { font-size: 10px; gap: 8px; letter-spacing: 0; }
  .topbar-right { gap: 10px; }
  .topbar-right > a { font-size: 11px; }
  .topbar-right .local-badge { display: none; }
  #app { padding: 26px 19px 35px; }
  .page-heading { margin-bottom: 25px; }
  .page-heading > p:last-child { font-size: 17px; }
  .heading-row h1 { font-size: 31px; }
  .btn { min-height: 44px; font-size: 13px; }
  .btn-sm { min-height: 38px; font-size: 12px; }
  .panel { padding: 22px; }
  .plan-heading { display: block; margin-bottom: 22px; }
  .plan-profile { display: flex; align-items: baseline; gap: 6px 12px; max-width: none; margin-top: 17px; padding: 10px 13px; }
  .plan-profile strong { font-size: 12px; }
  .plan-profile a { margin: 0; font-size: 11px; }
  .plan-overview { grid-template-columns: 1fr; gap: 16px; margin-bottom: 22px; }
  .next-session { padding: 26px; min-height: 245px; }
  .next-session h2 { font-size: 27px; }
  .next-session > p:not(.eyebrow) { font-size: 17px; }
  .plan-snapshot { padding: 20px 24px; }
  .plan-snapshot h2 { font-size: 17px; margin-bottom: 8px; }
  .plan-stat { padding: 10px 0; font-size: 15px; }
  .plan-stat strong { font-size: 19px; }
  .learning-path { padding: 22px 22px 5px; margin-bottom: 22px; }
  .learning-path .section-title { flex-wrap: wrap; gap: 5px; }
  .section-title h2 { font-size: 19px; }
  .path-step { grid-template-columns: 32px minmax(0, 1fr); gap: 10px 13px; padding: 20px 0; align-items: start; }
  .path-number { width: 31px; height: 31px; font-size: 12px; }
  .path-step h3 { font-size: 15px; }
  .path-step p { font-size: 15px; }
  .path-step .btn { grid-column: 2; justify-self: start; font-size: 12px; min-height: 36px; margin-top: 2px; }
  .path-meta { font-size: 12px; }
  .plan-bottom { grid-template-columns: 1fr; gap: 18px; }
  .plan-bottom .panel { padding: 23px; }
  .plan-bottom .section-title { flex-wrap: nowrap; }
  .onboarding-page { padding: 36px 19px 45px; }
  .onboarding-page h1 { font-size: 32px; }
  .onboarding-page form { padding: 23px 20px; }
  .background-options { grid-template-columns: 1fr; gap: 11px; }
  .background-option { min-height: 0; padding: 17px; }
  .background-option strong { font-size: 14px; }
  .start-details { grid-template-columns: 1fr; gap: 19px; margin-top: 23px; padding-top: 23px; }
  .start-submit { flex-direction: column; align-items: stretch; gap: 18px; }
  .start-submit .btn { width: 100%; }
  .content-grid { grid-template-columns: 1fr; }
  .lesson-card, .content-grid .lesson-card:last-child { display: flex; padding: 23px; min-height: 0; gap: 0; }
  .lesson-number { margin-bottom: 18px; }
  .lesson-card h2 { margin-bottom: 10px; }
  .lesson-card p { margin-bottom: 20px; }
  .lesson-card .button-row { margin-top: 0; align-self: stretch; }
  .lesson-card .button-row .badge { display: inline-flex; }
  .article { padding: 25px 22px; }
  .article p { font-size: 18px; line-height: 1.75; }
  .article h2 { font-size: 20px; }
  .article .takeaway { padding: 17px; font-size: 16px; }
  .case-card { display: block; }
  .case-cover { min-height: 150px; height: 150px; padding: 16px; gap: 8px; }
  .case-cover svg { width: 100px; max-height: 98px; }
  .case-body { padding: 24px; }
  .case-card h2 { font-size: 24px; }
  .case-masthead { font-size: 10px; }
  .case-card p { font-size: 16px; }
  .case-facts { font-size: 11px; }
  .mode-choices { gap: 9px; }
  .mode-choice { flex: 1 1 100%; }
  .mode-choice .btn { font-size: 12px; min-height: 43px; text-align: center; }
  .drill-picker { padding: 10px 10px 14px; gap: 6px; }
  .drill-picker .drill-choice { flex-basis: 180px; padding: 10px; font-size: 12px; gap: 8px; }
  .drill-choice small { font-size: 10px; }
  .drill-panel { padding: 23px; }
  .drill-panel h2 { font-size: 23px; }
  .drill-prompt { font-size: 18px; }
  .field input, .field select, .field textarea, .tracker-controls input, .tracker-controls select { font-size: 16px; }
  .field { font-size: 13px; }
  .case-aside { grid-template-columns: 1fr; }
  .case-aside .panel:last-child { grid-column: auto; }
  .case-workspace h2 { font-size: 22px; }
  .case-workspace p { font-size: 18px; }
  .case-brief { padding: 17px; font-size: 17px; }
  .case-rubric { font-size: 16px; }
  .investigations { grid-template-columns: 1fr; }
  .data-table { font-size: 14px; }
  .data-table td, .data-table th { padding: 12px 9px; }
  .data-table th { font-size: 10px; }
  .tracker-stats { gap: 9px; }
  .tracker-stat { padding: 17px 12px; border-radius: 8px; }
  .tracker-stat strong { font-size: 26px; }
  .tracker-stat span, .tracker-stat p { font-size: 10px; line-height: 1.5; }
  .tracker-coverage { padding: 21px; }
  .coverage-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .coverage-button { padding: 15px 12px; }
  .coverage-count { font-size: 25px; }
  .tracker-dialog { padding: 24px 21px; }
  .site-footer { padding: 23px 19px; font-size: 10px; gap: 12px 20px; }
  .storage-alert { margin: 14px 19px 0; }
  .marketing-page .site-footer { padding: 25px 20px; }
}
@media (prefers-reduced-motion: reduce) {
  a, button { transition: none; }
}

.route-guidance{margin:24px 0}.route-guidance h2{font-size:21px}.route-guidance p{max-width:80ch}

/* Lists of tools use their names; numbering is reserved for actual exercises. */
.learning-path .path-step{grid-template-columns:minmax(0,1fr) auto;gap:20px}
.learning-path .path-step .btn{grid-column:auto}
.nav-group-label,.sidebar-route label,.eyebrow{letter-spacing:0;text-transform:none}
.plan-profile>span{letter-spacing:0;font-size:12px}
@media(max-width:580px){.learning-path .path-step{grid-template-columns:1fr;gap:13px}.learning-path .path-step .btn{grid-column:1;justify-self:start}}