:root {
  --navy: #0b2242;
  --navy-2: #15365f;
  --blue: #1f5faa;
  --blue-hover: #164b89;
  --blue-soft: #eef5fc;
  --blue-line: #cbdff3;
  --ink: #10233e;
  --body: #3f5067;
  --muted: #718096;
  --line: #dfe6ee;
  --line-strong: #cbd5e1;
  --surface: #ffffff;
  --canvas: #f6f8fb;
  --success: #18794e;
  --success-soft: #eaf7f0;
  --warning: #9a5b13;
  --shadow: 0 1px 2px rgba(15, 35, 62, .04), 0 8px 24px rgba(15, 35, 62, .05);
  --radius: 10px;
  --font-body: "DM Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-display: "Manrope", var(--font-body);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: var(--font-body); font-size: 15px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
h1, h2, h3, p { margin-top: 0; }
h1, h2, h3 { font-family: var(--font-display); letter-spacing: -.025em; }
:focus-visible { outline: 3px solid rgba(31, 95, 170, .25); outline-offset: 2px; }
.skip-link { position: fixed; left: 12px; top: -60px; z-index: 100; background: var(--navy); color: #fff; padding: 10px 14px; border-radius: 6px; text-decoration: none; }
.skip-link:focus { top: 12px; }

.boot-overlay { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 20px; background: rgba(246, 248, 251, .94); opacity: 0; visibility: hidden; pointer-events: none; transition: opacity .16s ease, visibility .16s ease; }
.boot-overlay.visible { opacity: 1; visibility: visible; pointer-events: auto; }
.boot-card { width: min(440px, 100%); display: grid; grid-template-columns: 42px 1fr auto; align-items: center; gap: 14px; padding: 18px; border: 1px solid var(--line); border-radius: 10px; background: #fff; box-shadow: var(--shadow); }
.boot-mark { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 8px; background: var(--navy); color: #fff; font-family: var(--font-display); font-weight: 800; }
.boot-copy { display: grid; gap: 2px; }
.boot-copy strong { font-family: var(--font-display); font-size: 14px; }
.boot-copy span { color: var(--muted); font-size: 12px; }
.boot-spinner { width: 20px; height: 20px; border: 2px solid var(--blue-line); border-top-color: var(--blue); border-radius: 50%; animation: spin .75s linear infinite; }
.boot-card.error { grid-template-columns: 42px 1fr; }
.boot-card.error .boot-spinner { display: none; }
.boot-card.error .secondary-button { grid-column: 2; justify-self: start; }
@keyframes spin { to { transform: rotate(360deg); } }

.app-shell { display: grid; grid-template-columns: 244px 1fr; min-height: 100vh; }
.sidebar { position: sticky; top: 0; height: 100vh; display: flex; flex-direction: column; padding: 26px 18px 18px; background: var(--navy); color: #fff; z-index: 30; }
.brand { display: flex; align-items: center; gap: 10px; font-family: var(--font-display); font-weight: 800; font-size: 17px; letter-spacing: -.02em; }
.brand-mark { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 7px; color: var(--navy); background: #fff; font-size: 16px; }
.nav-list { display: grid; gap: 5px; margin-top: 48px; }
.nav-item { width: 100%; display: flex; align-items: center; gap: 12px; min-height: 42px; padding: 9px 11px; border: 0; border-radius: 7px; background: transparent; color: #b9c9dc; text-align: left; font-weight: 600; font-size: 14px; }
.nav-item:hover { background: rgba(255,255,255,.07); color: #fff; }
.nav-item.active { background: #fff; color: var(--navy); }
.nav-icon { width: 20px; font-size: 18px; text-align: center; line-height: 1; }
.sidebar-note { display: grid; gap: 3px; margin-top: auto; margin-bottom: 22px; padding: 15px; border: 1px solid rgba(255,255,255,.14); border-radius: 9px; background: rgba(255,255,255,.04); }
.sidebar-note .eyebrow { color: #91afd0; }
.sidebar-note strong { margin-top: 4px; font-family: var(--font-display); font-size: 14px; }
.sidebar-note > span:not(.eyebrow) { color: #aebfd2; font-size: 12px; }
.sidebar-note .text-button { justify-self: start; color: #fff; margin-top: 8px; }
.sidebar-footer { padding-top: 16px; border-top: 1px solid rgba(255,255,255,.12); }
.profile-button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 3px; border: 0; background: none; color: #fff; text-align: left; }
.profile-button > span:last-child { display: grid; }
.profile-button strong { font-size: 13px; }
.profile-button small { color: #9fb1c6; }
.avatar { display: grid; place-items: center; flex: 0 0 auto; width: 36px; height: 36px; border: 0; border-radius: 50%; background: #dce9f7; color: var(--navy); font-weight: 700; font-size: 12px; }
.avatar.compact { width: 34px; height: 34px; }

.main-column { min-width: 0; }
.mobile-header { display: none; }
main { max-width: 1380px; margin: 0 auto; padding: 42px 48px 72px; }
.view { display: none; }
.view.active { display: block; animation: reveal .22s ease-out; }
@keyframes reveal { from { opacity: .2; transform: translateY(4px); } }
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 28px; margin-bottom: 30px; }
.page-header h1 { margin-bottom: 7px; font-size: clamp(27px, 3vw, 36px); line-height: 1.15; }
.page-header p:not(.date-line) { max-width: 650px; margin-bottom: 0; color: var(--body); }
.date-line, .eyebrow, .status-label, .chapter-label { display: block; margin-bottom: 8px; color: var(--blue); font-size: 11px; font-weight: 700; letter-spacing: .105em; text-transform: uppercase; }

.content-grid { display: grid; grid-template-columns: minmax(0, 1.7fr) minmax(280px, .72fr); gap: 28px; align-items: start; }
.primary-column { min-width: 0; }
.today-card { padding: 22px 24px 25px; border: 1px solid var(--blue-line); border-left: 4px solid var(--blue); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.today-card.completed { border-left-color: var(--success); background: #fbfefc; }
.today-card-header { display: flex; align-items: center; justify-content: space-between; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.status-label { margin: 0; }
.duration { color: var(--muted); font-size: 13px; }
.lesson-layout { display: grid; grid-template-columns: 56px 1fr; gap: 22px; padding-top: 23px; }
.lesson-number { padding-top: 2px; color: #9eb5cf; font-family: var(--font-display); font-size: 25px; font-weight: 800; }
.lesson-copy h2 { margin-bottom: 8px; font-size: 23px; }
.lesson-copy > p:not(.lesson-context) { max-width: 560px; color: var(--body); }
.lesson-context { margin-bottom: 6px; color: var(--muted); font-size: 13px; }
code { padding: 2px 5px; border-radius: 4px; background: #eef2f7; color: var(--navy); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .9em; }
.lesson-actions { display: flex; align-items: center; gap: 18px; margin-top: 22px; }
.primary-button, .secondary-button { min-height: 40px; padding: 9px 15px; border-radius: 7px; font-weight: 700; font-size: 13px; transition: .15s ease; }
.primary-button { border: 1px solid var(--blue); background: var(--blue); color: #fff; }
.primary-button:hover { border-color: var(--blue-hover); background: var(--blue-hover); transform: translateY(-1px); }
.secondary-button { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink); }
.secondary-button:hover { border-color: var(--blue); color: var(--blue); }
.link-button, .text-button { padding: 0; border: 0; background: transparent; color: var(--blue); font-weight: 700; font-size: 13px; }
.link-button:hover, .text-button:hover { text-decoration: underline; text-underline-offset: 3px; }
.full-width { width: 100%; }

.section-block { margin-top: 31px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 13px; }
.section-heading h2 { margin-bottom: 3px; font-size: 18px; }
.section-heading p { margin-bottom: 0; color: var(--muted); font-size: 13px; }
.path-list { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.path-row { display: grid; grid-template-columns: 34px minmax(0, 1fr) auto; align-items: center; gap: 15px; min-height: 87px; padding: 15px 18px; border-bottom: 1px solid var(--line); }
.path-row:last-child { border-bottom: 0; }
.path-row.current { background: var(--blue-soft); }
.path-row.locked { color: var(--muted); }
.path-state { width: 30px; height: 30px; display: grid; place-items: center; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--body); font-weight: 700; font-size: 12px; }
.complete .path-state { border-color: var(--success); background: var(--success-soft); color: var(--success); }
.current .path-state { border-color: var(--blue); background: var(--blue); color: #fff; }
.path-row h3 { margin-bottom: 2px; font-size: 15px; }
.path-row p { margin-bottom: 0; color: var(--muted); font-size: 12px; }
.chapter-label { margin-bottom: 2px; color: var(--muted); font-size: 9px; }
.row-status { font-size: 12px; font-weight: 700; }
.complete-text { color: var(--success); }
.row-progress { width: 94px; height: 5px; overflow: hidden; border-radius: 6px; background: var(--blue-line); }
.row-progress span { display: block; height: 100%; border-radius: inherit; background: var(--blue); }
.lock { color: #98a6b7; }

.context-column { display: grid; gap: 16px; }
.progress-panel, .market-panel, .support-panel, .detail-panel, .role-card { border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.progress-panel, .market-panel { padding: 19px; }
.compact-heading { align-items: center; margin-bottom: 17px; }
.compact-heading span { color: var(--muted); font-size: 12px; }
.weekly-progress { display: grid; grid-template-columns: 64px 1fr; align-items: center; gap: 14px; }
.progress-ring { width: 62px; height: 62px; display: grid; place-items: center; border-radius: 50%; background: conic-gradient(var(--blue) 0 60%, var(--blue-line) 60%); position: relative; }
.progress-ring::after { content: ""; position: absolute; inset: 6px; border-radius: 50%; background: #fff; }
.progress-ring span { z-index: 1; font-family: var(--font-display); font-size: 18px; font-weight: 800; }
.progress-ring small { color: var(--muted); font-size: 10px; }
.weekly-progress strong { font-family: var(--font-display); font-size: 14px; }
.weekly-progress p { margin: 3px 0 0; color: var(--muted); font-size: 12px; line-height: 1.4; }
.week-days { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-top: 17px; }
.week-days span { height: 28px; display: grid; place-items: center; border-radius: 5px; background: #f0f3f7; color: var(--muted); font-size: 10px; font-weight: 700; }
.week-days span.done { background: var(--blue); color: #fff; }
.market-panel { border-top: 3px solid var(--navy); }
.market-panel h2 { font-size: 16px; line-height: 1.35; }
.market-panel p { color: var(--body); font-size: 13px; }
.support-panel { display: grid; grid-template-columns: 34px 1fr; gap: 12px; padding: 16px; background: transparent; border-style: dashed; }
.support-icon { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 50%; background: var(--blue-soft); color: var(--blue); font-weight: 800; }
.support-panel h2 { margin-bottom: 2px; font-size: 14px; }
.support-panel p { margin-bottom: 6px; color: var(--muted); font-size: 12px; }

.detail-panel { padding: 24px; }
.path-summary { display: grid; grid-template-columns: repeat(3, 1fr); padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.path-summary > div { padding: 4px 22px; border-right: 1px solid var(--line); }
.path-summary > div:first-child { padding-left: 0; }
.path-summary > div:last-child { border-right: 0; }
.path-summary span { font-family: var(--font-display); font-size: 24px; font-weight: 800; }
.path-summary p { margin: 1px 0 0; color: var(--muted); font-size: 12px; }
.chapter-detail { display: grid; grid-template-columns: 70px 1fr; gap: 28px; padding-top: 28px; }
.chapter-index { color: #aab9c9; font-family: var(--font-display); font-size: 34px; font-weight: 800; }
.chapter-detail h2 { margin-bottom: 6px; }
.chapter-detail > div > p { color: var(--body); }
.chapter-detail ul { list-style: none; margin: 24px 0 0; padding: 0; border: 1px solid var(--line); border-radius: 8px; }
.chapter-detail li { position: relative; padding: 12px 16px 12px 44px; border-bottom: 1px solid var(--line); color: var(--muted); }
.chapter-detail li:last-child { border: 0; }
.chapter-detail li::before { content: ""; position: absolute; left: 16px; top: 15px; width: 15px; height: 15px; border: 1px solid var(--line-strong); border-radius: 50%; }
.chapter-detail li.done { color: var(--body); }
.chapter-detail li.done::before { content: "✓"; display: grid; place-items: center; border-color: var(--success); background: var(--success-soft); color: var(--success); font-size: 10px; }
.chapter-detail li.active { background: var(--blue-soft); color: var(--ink); font-weight: 600; }
.chapter-detail li.active::before { border: 5px solid var(--blue); }

.role-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.role-card { display: flex; flex-direction: column; padding: 22px; }
.role-card.selected { border-color: var(--blue); box-shadow: 0 0 0 1px var(--blue); }
.fit-tag { align-self: start; margin-bottom: 18px; padding: 4px 7px; border-radius: 4px; background: var(--blue-soft); color: var(--blue); font-size: 9px; font-weight: 800; letter-spacing: .08em; }
.fit-tag.neutral { background: #f0f3f7; color: var(--body); }
.role-card h2 { margin-bottom: 7px; font-size: 20px; }
.role-card > p { min-height: 70px; color: var(--body); font-size: 13px; }
.role-card dl { margin: 8px 0 24px; }
.role-card dl div { padding: 11px 0; border-bottom: 1px solid var(--line); }
.role-card dt { color: var(--muted); font-size: 11px; }
.role-card dd { margin: 2px 0 0; font-weight: 600; font-size: 13px; }
.role-card button { margin-top: auto; }
.progress-layout { display: grid; grid-template-columns: 1.15fr .85fr; gap: 20px; }
.detail-panel > h2 { font-size: 18px; }
.skill-row { display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 17px 0; border-bottom: 1px solid var(--line); }
.skill-row:last-child { border: 0; }
.skill-row > div { display: grid; gap: 2px; }
.skill-row span:not(.skill-level) { color: var(--muted); font-size: 12px; }
.skill-level { padding: 4px 8px; border-radius: 5px; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.skill-level.ready { background: var(--success-soft); color: var(--success); }
.skill-level.building { background: var(--blue-soft); color: var(--blue); }
.skill-level.pending { background: #f0f3f7; color: var(--muted); }
.evidence-panel > p { color: var(--body); }
.evidence-empty { padding: 30px 16px; border: 1px dashed var(--line-strong); border-radius: 8px; text-align: center; }
.evidence-empty > span { display: block; color: var(--blue); font-size: 25px; }
.evidence-empty strong { display: block; margin: 8px 0 4px; font-size: 13px; }
.evidence-empty p { margin: 0; color: var(--muted); font-size: 12px; }

.drawer-backdrop { position: fixed; inset: 0; z-index: 40; background: rgba(8, 25, 48, .35); opacity: 0; pointer-events: none; transition: opacity .2s; }
.drawer-backdrop.open { opacity: 1; pointer-events: auto; }
.question-drawer { position: fixed; top: 0; right: 0; z-index: 50; width: min(430px, 100%); height: 100vh; overflow-y: auto; padding: 28px; border-left: 1px solid var(--line); background: #fff; box-shadow: -20px 0 50px rgba(11,34,66,.12); transform: translateX(105%); transition: transform .25s ease; }
.question-drawer.open { transform: translateX(0); }
.drawer-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin-bottom: 27px; }
.drawer-header h2 { font-size: 21px; }
.icon-button { width: 38px; height: 38px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 7px; background: #fff; color: var(--ink); font-size: 20px; }
.suggested-questions { display: grid; gap: 8px; margin-bottom: 24px; }
.suggested-questions button { padding: 10px 12px; border: 1px solid var(--line); border-radius: 7px; background: var(--canvas); color: var(--body); text-align: left; font-size: 13px; }
.suggested-questions button:hover { border-color: var(--blue); color: var(--blue); }
label { display: block; margin: 15px 0 6px; color: var(--ink); font-size: 12px; font-weight: 700; }
textarea, input, select { width: 100%; padding: 11px 12px; border: 1px solid var(--line-strong); border-radius: 7px; background: #fff; color: var(--ink); outline: none; }
textarea { resize: vertical; margin-bottom: 12px; }
textarea:focus, input:focus, select:focus { border-color: var(--blue); box-shadow: 0 0 0 3px rgba(31,95,170,.1); }
.answer-box { margin-top: 22px; padding: 16px; border-left: 3px solid var(--blue); background: var(--blue-soft); }
.answer-box p { margin-bottom: 0; color: var(--body); white-space: pre-wrap; }
.answer-skeleton { display: grid; gap: 8px; }
.answer-skeleton span { height: 10px; border-radius: 4px; background: linear-gradient(90deg, #dce7f3 25%, #eef5fc 45%, #dce7f3 65%); background-size: 220% 100%; animation: skeleton 1.3s ease-in-out infinite; }
.answer-skeleton span:nth-child(2) { width: 92%; }
.answer-skeleton span:nth-child(3) { width: 68%; }
@keyframes skeleton { from { background-position: 100% 0; } to { background-position: -100% 0; } }
.powered-note { margin: 22px 0 0; color: var(--muted); font-size: 11px; }
.plan-dialog { width: min(480px, calc(100% - 32px)); padding: 0; border: 0; border-radius: 12px; box-shadow: 0 24px 70px rgba(11,34,66,.22); }
.plan-dialog::backdrop { background: rgba(8,25,48,.45); }
.plan-dialog form { padding: 26px; }
.dialog-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.dialog-header h2 { margin-bottom: 10px; }
.plan-dialog form > p { color: var(--body); }
.dialog-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 24px; }
.toast { position: fixed; left: 50%; bottom: 24px; z-index: 80; padding: 10px 15px; border-radius: 7px; background: var(--navy); color: #fff; box-shadow: var(--shadow); opacity: 0; transform: translate(-50%, 10px); pointer-events: none; transition: .2s; font-size: 13px; }
.toast.visible { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 1080px) {
  main { padding: 34px 30px 60px; }
  .content-grid { grid-template-columns: 1fr; }
  .context-column { grid-template-columns: repeat(2, 1fr); }
  .support-panel { grid-column: 1 / -1; }
  .role-grid { grid-template-columns: 1fr; }
  .role-card > p { min-height: 0; }
}

@media (max-width: 760px) {
  .app-shell { display: block; }
  .sidebar { position: fixed; left: 0; transform: translateX(-105%); width: 264px; transition: transform .22s ease; box-shadow: 16px 0 40px rgba(0,0,0,.18); }
  .sidebar.open { transform: translateX(0); }
  .mobile-header { position: sticky; top: 0; z-index: 25; display: flex; align-items: center; justify-content: space-between; height: 62px; padding: 0 16px; border-bottom: 1px solid var(--line); background: rgba(255,255,255,.95); backdrop-filter: blur(10px); }
  .mobile-header .brand { color: var(--navy); }
  .mobile-header .brand-mark { background: var(--navy); color: #fff; }
  main { padding: 26px 18px 50px; }
  .page-header { align-items: stretch; flex-direction: column; margin-bottom: 22px; }
  .page-header .secondary-button { align-self: flex-start; }
  .lesson-layout { grid-template-columns: 1fr; gap: 5px; }
  .lesson-number { font-size: 16px; }
  .today-card { padding: 18px; }
  .context-column { grid-template-columns: 1fr; }
  .support-panel { grid-column: auto; }
  .section-heading { align-items: flex-start; }
  .path-row { grid-template-columns: 32px 1fr; }
  .path-row > :last-child { grid-column: 2; justify-self: start; }
  .row-progress { width: 100%; }
  .path-summary { grid-template-columns: 1fr; }
  .path-summary > div { padding: 12px 0; border-right: 0; border-bottom: 1px solid var(--line); }
  .path-summary > div:last-child { border-bottom: 0; }
  .chapter-detail { grid-template-columns: 1fr; gap: 4px; }
  .progress-layout { grid-template-columns: 1fr; }
  .question-drawer { padding: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .boot-spinner { animation: none; border-color: var(--blue); }
  .answer-skeleton span { animation: none; background: #e4edf7; }
}