:root {
      color-scheme: dark;
      --bg: #07101e;
      --bg-elevated: #0b1627;
      --panel: rgba(16, 29, 49, .88);
      --panel-solid: #101d31;
      --panel-soft: #14243b;
      --text: #ecf4ff;
      --muted: #9eb0c9;
      --faint: #6f8199;
      --line: rgba(157, 177, 205, .16);
      --accent: #53e0c2;
      --accent-2: #8b7cf6;
      --accent-3: #f6bd60;
      --good: #50d890;
      --warn: #f6bd60;
      --danger: #fb7185;
      --shadow: 0 22px 70px rgba(0, 0, 0, .28);
      --radius: 20px;
      --radius-sm: 12px;
      --max: 1500px;
    }

    html[data-theme="light"] {
      color-scheme: light;
      --bg: #f4f7fb;
      --bg-elevated: #ffffff;
      --panel: rgba(255, 255, 255, .92);
      --panel-solid: #ffffff;
      --panel-soft: #edf3fa;
      --text: #142033;
      --muted: #52647b;
      --faint: #7b8da2;
      --line: rgba(42, 64, 92, .13);
      --accent: #0c9d83;
      --accent-2: #6558d9;
      --accent-3: #c27613;
      --good: #148a57;
      --warn: #b76d08;
      --danger: #d1435b;
      --shadow: 0 20px 60px rgba(37, 59, 89, .13);
    }

    * { box-sizing: border-box; }
    html { scroll-behavior: smooth; }
    body {
      margin: 0;
      min-height: 100vh;
      background:
        radial-gradient(circle at 12% 0%, rgba(83,224,194,.12), transparent 30rem),
        radial-gradient(circle at 86% 5%, rgba(139,124,246,.13), transparent 33rem),
        var(--bg);
      color: var(--text);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.55;
    }

    button, input, select, textarea { font: inherit; }
    a { color: inherit; }
    button { color: inherit; }
    :focus-visible { outline: 3px solid color-mix(in srgb, var(--accent), transparent 40%); outline-offset: 3px; }
    html { scroll-behavior: smooth; }

    .app-shell { max-width: var(--max); margin: 0 auto; padding: 0 24px 80px; }
    .topbar {
      position: sticky; top: 0; z-index: 50;
      margin: 0 -24px;
      padding: 12px 24px;
      backdrop-filter: blur(18px);
      background: color-mix(in srgb, var(--bg) 82%, transparent);
      border-bottom: 1px solid var(--line);
    }
    .topbar-inner { max-width: var(--max); margin: 0 auto; display: flex; gap: 18px; align-items: center; }
    .brand { display: flex; align-items: center; gap: 11px; min-width: max-content; font-weight: 800; letter-spacing: -.02em; }
    .brand-mark { width: 36px; height: 36px; border-radius: 11px; display: grid; place-items: center; background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #06101c; box-shadow: 0 8px 25px rgba(83,224,194,.24); }
    .nav-scroll { display: flex; gap: 4px; overflow-x: auto; scrollbar-width: none; flex: 1; padding: 3px; }
    .nav-scroll::-webkit-scrollbar { display: none; }
    .nav-link { border: 0; background: transparent; color: var(--muted); padding: 8px 10px; border-radius: 10px; white-space: nowrap; cursor: pointer; font-size: .86rem; text-decoration: none; }
    .nav-link:hover { background: var(--panel-soft); color: var(--text); }
    .top-actions { display: flex; gap: 8px; }

    .icon-btn, .btn {
      border: 1px solid var(--line);
      background: var(--panel);
      border-radius: 11px;
      padding: 9px 12px;
      cursor: pointer;
      transition: transform .16s ease, border-color .16s ease, background .16s ease;
    }
    .icon-btn { width: 42px; height: 42px; display: grid; place-items: center; padding: 0; }
    .btn:hover, .icon-btn:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--accent), transparent 45%); }
    .btn.primary { background: linear-gradient(135deg, var(--accent), #3bc8df); color: #06131c; border-color: transparent; font-weight: 800; }
    .btn.github-star { color: var(--text); text-decoration: none; white-space: nowrap; }
    .btn.github-star .star-icon { color: var(--accent-3); }
    .btn.secondary { background: linear-gradient(135deg, color-mix(in srgb, var(--accent-2), transparent 18%), color-mix(in srgb, var(--accent-2), #1b2750 45%)); border-color: transparent; color: #fff; }
    .btn.danger { border-color: color-mix(in srgb, var(--danger), transparent 50%); color: var(--danger); }
    .btn.small { padding: 7px 10px; font-size: .84rem; }

    .hero { padding: 72px 0 30px; display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(330px, .6fr); gap: 34px; align-items: center; }
    .eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-weight: 800; text-transform: uppercase; letter-spacing: .12em; font-size: .76rem; }
    .eyebrow::before { content: ""; width: 28px; height: 2px; background: currentColor; }
    h1 { margin: 12px 0 18px; font-size: clamp(2.55rem, 5vw, 5.25rem); line-height: .98; letter-spacing: -.055em; max-width: 1000px; }
    .gradient-text { background: linear-gradient(110deg, var(--accent), #70b8ff 42%, #b898ff 75%, #ff9fbe); -webkit-background-clip: text; color: transparent; }
    .hero-copy { color: var(--muted); font-size: clamp(1rem, 1.5vw, 1.2rem); max-width: 820px; }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
    .role-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
    .chip { border: 1px solid var(--line); background: var(--panel); color: var(--muted); border-radius: 999px; padding: 8px 12px; font-size: .86rem; }
    .chip strong { color: var(--text); }
    .getting-started { margin-bottom: 18px; }
    .getting-started-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: 22px; align-items: start; }
    .start-steps { list-style: none; padding: 0; margin: 0; display: grid; gap: 9px; counter-reset: start-step; }
    .start-steps li { counter-increment: start-step; display: grid; grid-template-columns: 30px 1fr; gap: 10px; align-items: start; color: var(--muted); }
    .start-steps li::before { content: counter(start-step); width: 28px; height: 28px; display: grid; place-items: center; border-radius: 9px; background: var(--panel-soft); color: var(--accent); font-weight: 900; }
    .start-steps strong { color: var(--text); }

    .hero-panel { background: linear-gradient(150deg, color-mix(in srgb, var(--panel-solid), var(--accent) 4%), var(--panel-solid)); border: 1px solid var(--line); border-radius: 28px; padding: 24px; box-shadow: var(--shadow); position: relative; overflow: hidden; }
    .hero-panel::after { content: ""; position: absolute; width: 190px; height: 190px; border-radius: 50%; right: -90px; top: -90px; background: radial-gradient(circle, rgba(139,124,246,.25), transparent 70%); }
    .progress-ring { --p: 0; width: 150px; aspect-ratio: 1; border-radius: 50%; margin: 8px auto 18px; display: grid; place-items: center; background: conic-gradient(var(--accent) calc(var(--p) * 1%), var(--panel-soft) 0); position: relative; }
    .progress-ring::before { content: ""; position: absolute; inset: 12px; border-radius: 50%; background: var(--panel-solid); }
    .progress-ring-value { position: relative; text-align: center; font-weight: 900; font-size: 2rem; letter-spacing: -.04em; }
    .progress-ring-value small { display: block; font-size: .69rem; color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-weight: 700; }
    .hero-panel-row { display: flex; justify-content: space-between; gap: 14px; padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted); }
    .hero-panel-row strong { color: var(--text); }

    section { scroll-margin-top: 80px; padding: 42px 0 12px; }
    .section-head { display: flex; justify-content: space-between; align-items: end; gap: 22px; margin-bottom: 22px; }
    .section-head h2 { margin: 0; font-size: clamp(1.7rem, 2.8vw, 2.6rem); letter-spacing: -.035em; }
    .section-head p { margin: 7px 0 0; color: var(--muted); max-width: 760px; }
    .section-kicker { color: var(--accent); font-weight: 800; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; }

    .grid { display: grid; gap: 16px; }
    .grid.metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .grid.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; box-shadow: 0 10px 30px rgba(0,0,0,.08); }
    .metric-card { min-height: 132px; position: relative; overflow: hidden; }
    .metric-label { color: var(--muted); font-size: .83rem; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; }
    .metric-value { font-size: 2rem; font-weight: 900; letter-spacing: -.04em; margin-top: 8px; }
    .metric-note { color: var(--faint); font-size: .82rem; margin-top: 4px; }
    .metric-bar { height: 7px; border-radius: 99px; background: var(--panel-soft); overflow: hidden; margin-top: 15px; }
    .metric-bar > span { display: block; height: 100%; width: 0; background: linear-gradient(90deg, var(--accent), var(--accent-2)); border-radius: inherit; transition: width .35s ease; }

    .control-panel { display: grid; grid-template-columns: 1.15fr 1fr 1fr; gap: 14px; margin-top: 18px; }
    .field { display: grid; gap: 7px; }
    .field label { color: var(--muted); font-size: .82rem; font-weight: 700; }
    .field input, .field select, .field textarea, .search-input {
      width: 100%; border: 1px solid var(--line); background: var(--bg-elevated); color: var(--text); border-radius: 11px; padding: 11px 12px;
    }
    input[type="range"] { padding: 0; accent-color: var(--accent); }
    .pace-display { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: .82rem; }
    .pace-display strong { color: var(--accent); font-size: 1rem; }

    .today-card { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; }
    .today-card h3 { margin: 0 0 7px; font-size: 1.35rem; }
    .today-card p { color: var(--muted); margin: 0; }
    .today-plan { margin-top: 15px; display: flex; flex-wrap: wrap; gap: 7px; }
    .today-plan span { background: var(--panel-soft); border: 1px solid var(--line); border-radius: 9px; padding: 7px 9px; color: var(--muted); font-size: .82rem; }
    .week-badge { min-width: 110px; text-align: center; border-left: 1px solid var(--line); padding-left: 20px; }
    .week-badge strong { font-size: 2rem; display: block; line-height: 1; }
    .week-badge span { color: var(--muted); font-size: .78rem; }

    .role-map { overflow: auto; }
    table { width: 100%; border-collapse: collapse; }
    th, td { padding: 12px 13px; border-bottom: 1px solid var(--line); text-align: left; font-size: .9rem; }
    th { color: var(--muted); font-size: .77rem; text-transform: uppercase; letter-spacing: .08em; }
    td:not(:first-child), th:not(:first-child) { text-align: center; }

    .phase-block { margin: 18px 0 30px; }
    .phase-header { display: flex; gap: 14px; align-items: center; margin-bottom: 12px; }
    .phase-number { width: 44px; height: 44px; display: grid; place-items: center; border-radius: 14px; background: var(--panel-soft); border: 1px solid var(--line); font-weight: 900; color: var(--phase-color, var(--accent)); }
    .phase-header h3 { margin: 0; font-size: 1.35rem; }
    .phase-header p { margin: 3px 0 0; color: var(--muted); font-size: .9rem; }
    .phase-progress { margin-left: auto; min-width: 150px; text-align: right; }
    .phase-progress strong { display: block; }
    .phase-progress span { color: var(--muted); font-size: .78rem; }

    .week-list { display: grid; gap: 12px; }
    details.week-card { background: var(--panel); border: 1px solid var(--line); border-radius: 17px; overflow: hidden; }
    details.week-card[open] { border-color: color-mix(in srgb, var(--week-color), transparent 50%); box-shadow: 0 16px 45px rgba(0,0,0,.12); }
    .week-summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 62px 1fr auto; gap: 14px; align-items: center; padding: 17px 18px; }
    .week-summary::-webkit-details-marker { display: none; }
    .week-num { width: 50px; height: 50px; border-radius: 14px; display: grid; place-items: center; background: color-mix(in srgb, var(--week-color), transparent 83%); border: 1px solid color-mix(in srgb, var(--week-color), transparent 58%); color: var(--week-color); font-weight: 900; }
    .week-title h4 { margin: 0; font-size: 1.05rem; }
    .week-title p { margin: 3px 0 0; color: var(--muted); font-size: .85rem; }
    .week-meta { display: flex; align-items: center; gap: 10px; }
    .week-progress { min-width: 92px; text-align: right; }
    .week-progress strong { display: block; font-size: .9rem; }
    .week-progress span { color: var(--faint); font-size: .73rem; }
    .chev { width: 28px; height: 28px; border-radius: 9px; display: grid; place-items: center; background: var(--panel-soft); transition: transform .2s ease; }
    details[open] .chev { transform: rotate(180deg); }
    .week-body { border-top: 1px solid var(--line); padding: 18px; }
    .week-goal { margin: 0 0 14px; padding: 12px 14px; border-left: 3px solid var(--week-color); background: color-mix(in srgb, var(--week-color), transparent 93%); border-radius: 0 10px 10px 0; color: var(--muted); }
    .task-list { display: grid; gap: 8px; }
    .task-row { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start; border: 1px solid transparent; border-radius: 11px; padding: 9px 10px; transition: background .16s ease, opacity .16s ease; }
    .task-row:hover { background: var(--panel-soft); }
    .task-row.inactive { opacity: .52; }
    .time-block.inactive { opacity: .42; }
    .task-row.done .task-text { text-decoration: line-through; color: var(--faint); }
    .check { appearance: none; width: 20px; height: 20px; border: 1.7px solid var(--faint); border-radius: 6px; margin: 2px 0 0; cursor: pointer; position: relative; background: transparent; flex: 0 0 auto; }
    .check:checked { background: var(--accent); border-color: var(--accent); }
    .check:checked::after { content: "✓"; color: #04120f; position: absolute; inset: -1px 0 0; display: grid; place-items: center; font-size: 14px; font-weight: 1000; }
    .task-text { font-size: .91rem; }
    .level { font-size: .68rem; text-transform: uppercase; letter-spacing: .07em; padding: 4px 7px; border-radius: 999px; border: 1px solid var(--line); color: var(--muted); white-space: nowrap; }
    .level.core { color: var(--accent); border-color: color-mix(in srgb, var(--accent), transparent 55%); }
    .level.standard { color: #82b8ff; border-color: rgba(130,184,255,.4); }
    .level.deep { color: #d3a4ff; border-color: rgba(211,164,255,.4); }
    .resource-links { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 16px; padding-top: 14px; border-top: 1px solid var(--line); }
    .resource-link { color: var(--muted); text-decoration: none; font-size: .78rem; border: 1px solid var(--line); border-radius: 9px; padding: 6px 8px; background: var(--bg-elevated); }
    .resource-link:hover { color: var(--accent); border-color: color-mix(in srgb, var(--accent), transparent 50%); }


    .master-order-card { margin-bottom: 14px; padding: 17px; overflow-x: auto; }
    .master-order-title { display: flex; justify-content: space-between; gap: 14px; align-items: end; margin-bottom: 12px; }
    .master-order-title h3 { margin: 0; font-size: 1rem; }
    .master-order-title p { margin: 2px 0 0; color: var(--muted); font-size: .78rem; }
    .master-order { display: flex; align-items: stretch; gap: 8px; min-width: 1030px; }
    .master-node { flex: 1; min-width: 125px; border: 1px solid var(--line); border-radius: 12px; padding: 10px; background: var(--bg-elevated); }
    .master-node strong { display: block; font-size: .78rem; }
    .master-node span { color: var(--faint); font-size: .68rem; }
    .master-arrow { display: grid; place-items: center; color: var(--accent); font-weight: 900; }
    .sequence-flow { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; margin-bottom: 16px; }
    .flow-step { position: relative; min-height: 122px; padding: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; }
    .flow-step:not(:last-child)::after { content: "→"; position: absolute; right: -10px; top: 44%; z-index: 2; width: 20px; height: 20px; border-radius: 50%; display: grid; place-items: center; background: var(--bg); color: var(--accent); font-weight: 900; }
    .flow-n { color: var(--accent); font-size: .7rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .flow-step h3 { margin: 7px 0 5px; font-size: 1rem; }
    .flow-step p { margin: 0; color: var(--muted); font-size: .8rem; }
    .sequence-budget { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; margin: 16px 0; }
    .budget-card { padding: 16px; }
    .budget-card h3 { margin: 0 0 6px; font-size: 1rem; }
    .budget-card p { margin: 0; color: var(--muted); font-size: .82rem; }
    .budget-split { display: flex; gap: 5px; height: 8px; margin-top: 13px; }
    .budget-split span { border-radius: 99px; }
    .budget-split .learn { background: var(--accent-2); }
    .budget-split .build { background: var(--accent); }
    .budget-split .prove { background: var(--accent-3); }
    .sequence-legend { display: flex; flex-wrap: wrap; gap: 7px; margin: 14px 0 20px; }
    .sequence-legend span { border: 1px solid var(--line); background: var(--panel); color: var(--muted); border-radius: 999px; padding: 6px 9px; font-size: .74rem; }
    .sequence-legend strong { color: var(--text); }
    .study-phase { margin: 28px 0 34px; }
    .study-phase-head { display: flex; align-items: center; gap: 13px; margin-bottom: 12px; }
    .study-phase-head .phase-number { flex: 0 0 auto; }
    .study-phase-head h3 { margin: 0; font-size: 1.2rem; }
    .study-phase-head p { margin: 2px 0 0; color: var(--muted); font-size: .84rem; }
    .study-phase-progress { margin-left: auto; text-align: right; min-width: 145px; }
    .study-phase-progress strong { display: block; }
    .study-phase-progress span { color: var(--faint); font-size: .72rem; }
    .study-week-list { display: grid; gap: 11px; }
    details.study-week { background: var(--panel); border: 1px solid var(--line); border-radius: 17px; overflow: hidden; }
    details.study-week[open] { border-color: color-mix(in srgb, var(--study-color), transparent 48%); box-shadow: 0 16px 45px rgba(0,0,0,.11); }
    .study-summary { list-style: none; cursor: pointer; display: grid; grid-template-columns: 54px minmax(0,1fr) auto; gap: 13px; align-items: center; padding: 15px 17px; }
    .study-summary::-webkit-details-marker { display: none; }
    .study-week-n { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; background: color-mix(in srgb, var(--study-color), transparent 84%); color: var(--study-color); border: 1px solid color-mix(in srgb, var(--study-color), transparent 58%); font-weight: 900; }
    .study-summary h4 { margin: 0; font-size: 1rem; }
    .study-summary p { margin: 3px 0 0; color: var(--muted); font-size: .8rem; }
    .study-summary-meta { display: flex; align-items: center; gap: 10px; }
    .study-progress { text-align: right; min-width: 90px; }
    .study-progress strong { display: block; font-size: .88rem; }
    .study-progress span { color: var(--faint); font-size: .7rem; }
    .study-body { border-top: 1px solid var(--line); padding: 17px; }
    .study-deliverable { margin: 0 0 13px; color: var(--muted); padding: 11px 13px; border-radius: 11px; background: color-mix(in srgb, var(--study-color), transparent 93%); border-left: 3px solid var(--study-color); }
    .study-steps { display: grid; gap: 9px; }
    .study-step { display: grid; grid-template-columns: auto 34px minmax(0,1fr); gap: 10px; align-items: start; border: 1px solid var(--line); border-radius: 13px; padding: 11px; background: color-mix(in srgb, var(--bg-elevated), transparent 8%); }
    .study-step:hover { border-color: color-mix(in srgb, var(--accent), transparent 62%); }
    .study-step.inactive { opacity: .48; }
    .study-step.done .study-step-title { text-decoration: line-through; color: var(--faint); }
    .study-step.done .study-instruction { color: var(--faint); }
    .study-order-n { width: 30px; height: 30px; display: grid; place-items: center; border-radius: 9px; background: var(--panel-soft); color: var(--accent); font-weight: 900; font-size: .82rem; }
    .study-step-main { min-width: 0; }
    .study-step-top { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
    .study-kind { display: inline-flex; align-items: center; border-radius: 999px; padding: 3px 7px; font-size: .63rem; text-transform: uppercase; letter-spacing: .07em; font-weight: 900; border: 1px solid var(--line); }
    .study-kind.learn, .study-kind.learn-visually, .study-kind.learn-practically { color: #d3a4ff; border-color: rgba(211,164,255,.42); }
    .study-kind.practice, .study-kind.build-ci, .study-kind.deploy, .study-kind.operate, .study-kind.interview-practice { color: #82b8ff; border-color: rgba(130,184,255,.42); }
    .study-kind.reference, .study-kind.evaluate-early, .study-kind.automate, .study-kind.review { color: var(--accent); border-color: color-mix(in srgb, var(--accent), transparent 52%); }
    .study-kind.decide, .study-kind.create-evidence, .study-kind.design-first, .study-kind.baseline-first, .study-kind.synthesize { color: var(--accent-3); border-color: color-mix(in srgb, var(--accent-3), transparent 50%); }
    .study-kind.deepen, .study-kind.compare, .study-kind.optional-tool, .study-kind.build-ui, .study-kind.communicate, .study-kind.rag-outcome-checks { color: var(--muted); }
    .study-step-title { font-weight: 850; font-size: .91rem; overflow-wrap: anywhere; }
    .study-meta-line { display: flex; gap: 7px; flex-wrap: wrap; margin: 5px 0 6px; color: var(--faint); font-size: .7rem; }
    .study-meta-line span { border-right: 1px solid var(--line); padding-right: 7px; }
    .study-meta-line span:last-child { border-right: 0; padding-right: 0; }
    .study-instruction { margin: 0; color: var(--muted); font-size: .8rem; }
    .study-resource-links { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
    .study-resource-link { color: var(--accent); text-decoration: none; font-size: .72rem; font-weight: 800; border: 1px solid color-mix(in srgb, var(--accent), transparent 68%); border-radius: 8px; padding: 5px 7px; }
    .study-resource-link:hover { background: color-mix(in srgb, var(--accent), transparent 91%); }
    .paid-options { margin-top: 12px; padding: 12px 13px; border: 1px solid color-mix(in srgb, var(--warn), transparent 60%); border-radius: 12px; background: color-mix(in srgb, var(--warn), transparent 94%); }
    .paid-options > strong { color: var(--warn); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
    .paid-option { margin-top: 7px; color: var(--muted); font-size: .79rem; }
    .paid-option a { color: var(--warn); font-weight: 800; text-decoration: none; }
    .study-rules { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 12px; }
    .stop-rule, .avoid-rule { padding: 11px 12px; border-radius: 11px; font-size: .78rem; color: var(--muted); }
    .stop-rule { border: 1px solid color-mix(in srgb, var(--good), transparent 62%); background: color-mix(in srgb, var(--good), transparent 95%); }
    .avoid-rule { border: 1px solid color-mix(in srgb, var(--danger), transparent 66%); background: color-mix(in srgb, var(--danger), transparent 96%); }
    .stop-rule strong { color: var(--good); }
    .avoid-rule strong { color: var(--danger); }
    .roadmap-resource-order { width: 100%; display: flex; align-items: center; gap: 7px; flex-wrap: wrap; }
    .roadmap-resource-order > strong { color: var(--text); font-size: .78rem; margin-right: 2px; }
    .resource-link.sequence-jump { color: var(--accent); font-weight: 900; }

    .schedule-grid { display: grid; grid-template-columns: repeat(7, minmax(175px, 1fr)); gap: 10px; overflow-x: auto; padding-bottom: 5px; }
    .day-card { min-width: 175px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 15px; }
    .day-card.today { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent), transparent 80%); }
    .day-name { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
    .day-name strong { font-size: .95rem; }
    .day-name span { color: var(--faint); font-size: .72rem; }
    .day-focus { margin: 10px 0; font-weight: 750; font-size: .88rem; min-height: 42px; }
    .time-block { color: var(--muted); font-size: .76rem; padding: 8px 0; border-top: 1px solid var(--line); }
    .time-block b { color: var(--text); display: block; margin-bottom: 2px; }

    .milestone-grid { display: grid; gap: 14px; grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .milestone { position: relative; overflow: hidden; }
    .milestone::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 4px; background: linear-gradient(var(--accent), var(--accent-2)); opacity: .85; }
    .milestone-top { display: flex; justify-content: space-between; align-items: start; gap: 12px; }
    .milestone-week { color: var(--accent); font-size: .72rem; text-transform: uppercase; letter-spacing: .1em; font-weight: 800; }
    .milestone h3 { margin: 5px 0 2px; font-size: 1.08rem; }
    .milestone-sub { color: var(--muted); font-size: .8rem; }
    .mini-progress { min-width: 50px; text-align: right; font-weight: 900; }
    .criteria { display: grid; gap: 7px; margin-top: 14px; }
    .criteria .task-row { padding: 6px 0; grid-template-columns: auto 1fr; }

    .project-card { display: flex; flex-direction: column; min-height: 100%; }
    .project-role { color: var(--accent); font-size: .76rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; }
    .project-card h3 { margin: 7px 0 5px; font-size: 1.28rem; }
    .project-weeks { color: var(--faint); font-size: .8rem; }
    .project-card > p { color: var(--muted); font-size: .9rem; }
    .proof { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); color: var(--muted); font-size: .82rem; }
    .proof strong { color: var(--text); }

    .mini-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
    .mini-card { padding: 17px; }
    .mini-card.done { border-color: color-mix(in srgb, var(--accent), transparent 48%); background: color-mix(in srgb, var(--accent), var(--panel) 5%); }
    .mini-card.done h4 { text-decoration: line-through; color: var(--faint); }
    .mini-head { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: start; }
    .mini-n { width: 32px; height: 32px; border-radius: 10px; display: grid; place-items: center; background: var(--panel-soft); color: var(--accent); font-weight: 900; }
    .mini-card h4 { margin: 0; font-size: .98rem; }
    .mini-card .meta { color: var(--faint); font-size: .74rem; }
    .mini-card p { color: var(--muted); font-size: .82rem; margin: 10px 0; }
    .acceptance { display: flex; flex-wrap: wrap; gap: 5px; }
    .acceptance span { color: var(--faint); font-size: .68rem; border: 1px solid var(--line); border-radius: 999px; padding: 4px 6px; }

    .filters { display: grid; grid-template-columns: minmax(250px, 1fr) auto auto; gap: 10px; align-items: center; margin-bottom: 15px; }
    .segmented { display: flex; background: var(--panel); border: 1px solid var(--line); padding: 4px; border-radius: 12px; }
    .segmented button { border: 0; background: transparent; color: var(--muted); padding: 7px 10px; border-radius: 8px; cursor: pointer; font-size: .82rem; }
    .segmented button.active { background: var(--panel-soft); color: var(--text); }
    .resource-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 11px; }
    .resource-card { padding: 16px; display: flex; flex-direction: column; gap: 9px; min-height: 160px; }
    .resource-card.done { border-color: color-mix(in srgb, var(--accent), transparent 52%); }
    .resource-card.done h4 { color: var(--faint); }
    .resource-top { display: flex; justify-content: space-between; gap: 10px; align-items: start; }
    .resource-card h4 { margin: 0; font-size: .97rem; }
    .resource-card p { color: var(--muted); font-size: .8rem; margin: 0; }
    .resource-card a { margin-top: auto; color: var(--accent); text-decoration: none; font-weight: 800; font-size: .8rem; }
    .resource-tags { display: flex; gap: 5px; flex-wrap: wrap; }
    .tag { color: var(--faint); border: 1px solid var(--line); border-radius: 999px; padding: 3px 6px; font-size: .66rem; }
    .tag.free { color: var(--good); border-color: color-mix(in srgb, var(--good), transparent 55%); }
    .tag.paid { color: var(--warn); border-color: color-mix(in srgb, var(--warn), transparent 55%); }

    .rule-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
    .rule { display: grid; grid-template-columns: 38px 1fr; gap: 11px; }
    .rule-num { width: 34px; height: 34px; border-radius: 11px; display: grid; place-items: center; background: linear-gradient(135deg, color-mix(in srgb, var(--accent), transparent 75%), color-mix(in srgb, var(--accent-2), transparent 78%)); font-weight: 900; }
    .rule h4 { margin: 0 0 4px; }
    .rule p { margin: 0; color: var(--muted); font-size: .86rem; }

    .log-layout { display: grid; grid-template-columns: .75fr 1.25fr; gap: 16px; }
    .log-form { display: grid; gap: 10px; }
    .inline-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
    .log-table-wrap { overflow: auto; max-height: 430px; }
    .log-empty { text-align: center; color: var(--faint); padding: 35px 10px; }
    .log-note { max-width: 430px; white-space: normal; }
    .delete-log { background: transparent; border: 0; color: var(--danger); cursor: pointer; }

    .notice { border: 1px solid color-mix(in srgb, var(--warn), transparent 55%); background: color-mix(in srgb, var(--warn), transparent 92%); color: var(--muted); border-radius: 14px; padding: 13px 15px; font-size: .84rem; }
    .notice strong { color: var(--text); }
    .privacy-note { color: var(--faint); font-size: .78rem; margin-top: 10px; }
    .footer { padding-top: 55px; color: var(--faint); font-size: .8rem; display: flex; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); margin-top: 55px; }
    .footer-links { display: flex; align-items: center; justify-content: flex-end; gap: 12px; flex-wrap: wrap; }
    .footer a { color: var(--accent); text-decoration: none; font-weight: 800; }
    .footer a:hover { text-decoration: underline; }

    .toast { position: fixed; right: 22px; bottom: 22px; z-index: 100; padding: 11px 14px; border-radius: 12px; background: var(--text); color: var(--bg); font-weight: 800; box-shadow: var(--shadow); transform: translateY(18px); opacity: 0; pointer-events: none; transition: .22s ease; }
    .toast.show { opacity: 1; transform: translateY(0); }
    .hidden { display: none !important; }


    .pc-definition-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 13px; margin-bottom: 14px; }
    .pc-definition { display: grid; grid-template-columns: 46px 1fr; gap: 13px; align-items: start; min-height: 170px; position: relative; overflow: hidden; }
    .pc-definition::after { content: ""; position: absolute; width: 130px; height: 130px; border-radius: 50%; right: -70px; bottom: -75px; background: radial-gradient(circle, color-mix(in srgb, var(--pc-accent), transparent 75%), transparent 70%); }
    .pc-definition.prompt { --pc-accent: var(--accent-2); }
    .pc-definition.context { --pc-accent: var(--accent); }
    .pc-definition.evidence { --pc-accent: var(--accent-3); }
    .pc-icon { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: color-mix(in srgb, var(--pc-accent), transparent 82%); border: 1px solid color-mix(in srgb, var(--pc-accent), transparent 55%); color: var(--pc-accent); font-weight: 1000; }
    .pc-definition h3 { margin: 5px 0 6px; font-size: 1.08rem; }
    .pc-definition p { margin: 0; color: var(--muted); font-size: .86rem; position: relative; z-index: 1; }
    .pc-flow-card { padding: 18px; margin-bottom: 14px; }
    .pc-flow-title { display: flex; justify-content: space-between; gap: 20px; align-items: end; margin-bottom: 15px; }
    .pc-flow-title h3 { margin: 5px 0 4px; font-size: 1.18rem; }
    .pc-flow-title p { margin: 0; color: var(--muted); font-size: .84rem; }
    .pc-overall { min-width: 190px; text-align: right; }
    .pc-overall > strong { display: block; font-size: 1.55rem; letter-spacing: -.04em; }
    .pc-overall > span { display: block; color: var(--faint); font-size: .72rem; }
    .pc-overall .metric-bar { margin-top: 8px; }
    .pc-context-flow { display: flex; align-items: stretch; gap: 7px; overflow-x: auto; padding-bottom: 4px; }
    .pc-flow-node { min-width: 190px; flex: 1; border: 1px solid var(--line); border-radius: 13px; padding: 12px; background: var(--bg-elevated); }
    .pc-flow-node strong { display: block; font-size: .82rem; }
    .pc-flow-node span { display: block; color: var(--faint); font-size: .7rem; margin-top: 3px; }
    .pc-flow-node.trusted { border-color: color-mix(in srgb, var(--accent-2), transparent 52%); }
    .pc-flow-node.untrusted { border-color: color-mix(in srgb, var(--danger), transparent 60%); }
    .pc-flow-node.budget { border-color: color-mix(in srgb, var(--accent-3), transparent 52%); }
    .pc-flow-node.output { border-color: color-mix(in srgb, var(--good), transparent 52%); }
    .pc-flow-arrow { display: grid; place-items: center; min-width: 22px; color: var(--accent); font-weight: 1000; }
    .pc-stage-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
    .pc-stage { padding: 17px; display: flex; flex-direction: column; min-height: 100%; position: relative; overflow: hidden; }
    .pc-stage::before { content: ""; position: absolute; inset: 0 auto 0 0; width: 3px; background: linear-gradient(var(--accent), var(--accent-2)); }
    .pc-stage-top { display: flex; justify-content: space-between; gap: 10px; align-items: start; }
    .pc-week-tag { display: inline-flex; border: 1px solid var(--line); border-radius: 999px; padding: 3px 7px; color: var(--accent); font-size: .66rem; font-weight: 900; text-transform: uppercase; letter-spacing: .06em; }
    .pc-stage h3 { margin: 7px 0 0; font-size: 1.03rem; }
    .pc-stage-progress { min-width: 58px; text-align: right; }
    .pc-stage-progress strong { display: block; font-size: .9rem; }
    .pc-stage-progress span { color: var(--faint); font-size: .65rem; }
    .pc-stage > p { color: var(--muted); font-size: .81rem; margin: 10px 0 11px; }
    .pc-stage .criteria { margin-top: 0; }
    .pc-stage .criteria .task-row { padding: 6px 0; }
    .pc-deliverable { margin-top: auto; padding-top: 12px; border-top: 1px solid var(--line); color: var(--muted); font-size: .75rem; }
    .pc-deliverable strong { color: var(--text); }
    .pc-evidence-grid { margin-top: 14px; }
    .pc-table-wrap { overflow-x: auto; }
    .pc-table { width: 100%; }
    .pc-table th, .pc-table td { text-align: left !important; font-size: .78rem; vertical-align: top; }
    .pc-table th { color: var(--accent); }
    .pc-failure-list { display: grid; gap: 8px; }
    .pc-failure { border: 1px solid var(--line); border-radius: 11px; padding: 10px 11px; background: var(--bg-elevated); }
    .pc-failure strong { display: block; font-size: .8rem; }
    .pc-failure span { color: var(--muted); font-size: .75rem; }
    .ai-principles .card { min-height: 155px; }
    .ai-principle-n { color: var(--accent); font-size: .72rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
    .ai-principles h3 { margin: 7px 0 6px; font-size: 1.03rem; }
    .ai-principles p { color: var(--muted); margin: 0; font-size: .84rem; }
    .ai-stage-resources { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 12px; }
    .ai-stage-resources a { color: var(--accent); border: 1px solid var(--line); border-radius: 999px; padding: 4px 7px; text-decoration: none; font-size: .69rem; font-weight: 800; }
    .ai-stage-resources a:hover { border-color: var(--accent); }

    @media (max-width: 1100px) {
      .hero { grid-template-columns: 1fr; }
      .hero-panel { max-width: 520px; }
      .grid.metrics { grid-template-columns: repeat(2, 1fr); }
      .milestone-grid, .mini-grid, .resource-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
      .sequence-flow { grid-template-columns: repeat(3, minmax(0,1fr)); }
      .pc-definition-grid, .pc-stage-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
      .sequence-flow .flow-step::after { display:none; }
      .grid.three { grid-template-columns: 1fr; }
      .control-panel { grid-template-columns: 1fr 1fr; }
      .control-panel > :first-child { grid-column: 1 / -1; }
    }

    @media (max-width: 720px) {
      .app-shell { padding: 0 15px 60px; }
      .topbar { margin: 0 -15px; padding: 10px 15px; }
      .brand span { display: none; }
      .top-actions .hide-mobile { display: none; }
      .hero { padding-top: 46px; }
      h1 { font-size: 2.75rem; }
      .grid.metrics, .grid.two, .milestone-grid, .mini-grid, .resource-grid, .rule-grid, .log-layout, .control-panel, .sequence-budget { grid-template-columns: 1fr; }
      .sequence-flow { grid-template-columns: 1fr; }
      .pc-definition-grid, .pc-stage-grid { grid-template-columns: 1fr; }
      .pc-flow-title { align-items: start; flex-direction: column; }
      .pc-overall { width: 100%; min-width: 0; text-align: left; }
      .study-rules { grid-template-columns: 1fr; }
      .study-summary { grid-template-columns: 46px minmax(0,1fr); }
      .study-summary-meta { grid-column: 2; justify-content: space-between; }
      .control-panel > :first-child { grid-column: auto; }
      .section-head { align-items: start; flex-direction: column; }
      .today-card { grid-template-columns: 1fr; }
      .week-badge { border-left: 0; border-top: 1px solid var(--line); padding: 15px 0 0; text-align: left; }
      .week-summary { grid-template-columns: 52px 1fr; }
      .week-meta { grid-column: 2; justify-content: space-between; }
      .phase-header { align-items: start; }
      .phase-progress { display: none; }
      .filters { grid-template-columns: 1fr; }
      .segmented { overflow-x: auto; }
      .footer { flex-direction: column; }
      .getting-started-grid { grid-template-columns: 1fr; }
      .footer-links { justify-content: flex-start; }
    }

    @media (prefers-reduced-motion: reduce) {
      html { scroll-behavior: auto; }
      *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
    }

    @media print {
      :root { --bg: white; --panel: white; --panel-solid: white; --panel-soft: #f3f5f8; --text: #101828; --muted: #475467; --faint: #667085; --line: #d0d5dd; }
      body { background: white; }
      .topbar, .top-actions, .filters, .log-form, .btn, .icon-btn, .toast { display: none !important; }
      .app-shell { max-width: none; padding: 0; }
      .hero { padding-top: 20px; grid-template-columns: 1fr; }
      .hero-panel { box-shadow: none; }
      details.week-card > summary, details.study-week > summary { display: none; }
      details.week-card:not([open]) .week-body, details.study-week:not([open]) .study-body { display: block; }
      .week-body { border: 0; }
      .card, details.week-card, details.study-week { break-inside: avoid; box-shadow: none; }
      section { break-before: page; }
      #overview { break-before: auto; }
    }

/* Orientation and local progress controls */
.support-copy { color: var(--muted); font-size: .88rem; max-width: 60ch; }
.backup-panel { margin-top: 20px; display: grid; grid-template-columns: 1fr 1fr; gap: 24px; border-color: var(--accent); }
.backup-panel h2 { font-size: 1.35rem; margin: 6px 0 10px; }
.backup-panel p { color: var(--muted); font-size: .88rem; }
.backup-panel .save-status { color: var(--good); font-weight: 700; }
.backup-panel .save-status[data-error="true"] { color: var(--danger); }
.backup-actions, .phase-shortcuts { display: flex; flex-wrap: wrap; gap: 10px; }
.phase-shortcuts { margin-bottom: 24px; }
.journey-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 24px; }
.journey-links a { text-decoration: none; color: var(--text); }
.journey-links strong, .journey-links span { display: block; }
.journey-links strong { margin: 8px 0; }
.journey-links span:last-child { color: var(--muted); font-size: .88rem; }
.journey-links a:hover { border-color: var(--accent); }
.phase-block, #setupBlock, #progress-backup { scroll-margin-top: 110px; }
@media (max-width: 720px) {
  .backup-panel, .journey-links { grid-template-columns: 1fr; }
  .backup-actions .btn { width: 100%; }
}
@media print {
  .journey-links, .phase-shortcuts, .support-copy, .backup-actions, .save-status { display: none; }
  .backup-panel { grid-template-columns: 1fr; }
}

/* A quest journal around the practical weekly plan. */
.adventure-panel { position: relative; overflow: hidden; display: grid; grid-template-columns: 1fr 1.15fr; gap: 26px; margin: 8px 0 28px; border-color: color-mix(in srgb, var(--accent-2), transparent 35%); background: radial-gradient(ellipse at 0 0, color-mix(in srgb, var(--accent-2), transparent 85%), transparent 60%), var(--panel); }
.adventure-identity { display: flex; align-items: center; gap: 20px; }
.adventure-identity h2 { margin: 4px 0; font-size: 1.55rem; }
.adventure-identity p { margin: 0; color: var(--accent-3); font-weight: 700; }
.rune-orb { flex-shrink: 0; width: 82px; height: 82px; display: grid; place-items: center; position: relative; border: 1px solid var(--accent-2); border-radius: 50%; background: radial-gradient(circle, color-mix(in srgb, var(--accent-2), transparent 65%), transparent); box-shadow: 0 0 28px color-mix(in srgb, var(--accent-2), transparent 80%); }
.rune-orb::before { content: ""; position: absolute; inset: 8px; border: 1px dashed var(--accent); transform: rotate(45deg); }
.rune-orb span { font-size: 2.6rem; color: var(--accent-3); }
.xp-caption { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: .85rem; }
.adventure-progress progress { display: block; appearance: none; width: 100%; height: 12px; border: 0; border-radius: 20px; overflow: hidden; margin-top: 12px; background: var(--panel-soft); }
.adventure-progress progress::-webkit-progress-bar { background: var(--panel-soft); }
.adventure-progress progress::-webkit-progress-value { background: linear-gradient(90deg, var(--accent-2), var(--accent)); transition: width .45s ease; border-radius: 20px; }
.adventure-progress progress::-moz-progress-bar { background: var(--accent); }
.adventure-progress p { margin-bottom: 0; font-size: .78rem; color: var(--muted); }
.next-quest { grid-column: 1 / -1; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; padding: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-elevated); }
.next-quest strong { flex: 1 1 300px; font-size: .92rem; }
.realm-map { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 10px; }
.realm-node { text-decoration: none; display: flex; flex-direction: column; align-items: center; text-align: center; padding: 14px 8px; border: 1px solid var(--line); border-radius: 14px; transition: transform .2s, border-color .2s; }
.realm-node:hover { transform: translateY(-4px); border-color: var(--accent-2); }
.realm-symbol { display: grid; place-items: center; font-size: 1.7rem; width: 45px; height: 45px; border-radius: 50%; background: var(--panel-soft); color: var(--accent-3); margin-bottom: 10px; }
.realm-node strong { font-size: .79rem; }
.realm-node > span:not(.realm-symbol) { font-size: .68rem; color: var(--muted); margin-top: 5px; }
.realm-node[aria-current] { border-color: var(--accent-2); background: color-mix(in srgb, var(--accent-2), transparent 91%); }
.realm-node.conquered .realm-symbol { color: var(--good); }
.realm-node.conquered .realm-state { color: var(--good); }
.quest-celebration { position: fixed; z-index: 200; bottom: 80px; left: 50%; transform: translate(-50%, 14px); opacity: 0; pointer-events: none; padding: 13px 22px; width: max-content; max-width: calc(100vw - 30px); border-radius: 14px; border: 1px solid var(--accent-3); background: var(--panel-solid); color: var(--text); box-shadow: var(--shadow); font-weight: 800; transition: opacity .2s, transform .2s; }
.quest-celebration.show { opacity: 1; transform: translate(-50%, 0); }
@keyframes rune-arrive { from { transform: rotate(-40deg) scale(.7); opacity: 0; } to { transform: rotate(0) scale(1); opacity: 1; } }
@keyframes quest-spark { 0% { box-shadow: 0 0 0 0 transparent; } 50% { box-shadow: 0 0 30px color-mix(in srgb, var(--accent-3), transparent 55%); } 100% { box-shadow: var(--shadow); } }
@media (prefers-reduced-motion: no-preference) {
  html:not([data-effects="off"]) .rune-orb { animation: rune-arrive 1.2s ease-out; }
  html:not([data-effects="off"]) .quest-celebration.show { animation: quest-spark .8s ease-out; }
}
html[data-effects="off"] .adventure-panel *, html[data-effects="off"] .quest-celebration { animation: none !important; transition: none !important; }
@media (max-width: 1100px) { .realm-map { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (max-width: 720px) {
  .adventure-panel { grid-template-columns: 1fr; gap: 20px; }
  .realm-map { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .next-quest .btn { width: 100%; }
  .rune-orb { width: 62px; height: 62px; }
  .adventure-identity h2 { font-size: 1.3rem; }
}
@media (prefers-reduced-motion: reduce) { .adventure-panel *, .quest-celebration { animation: none !important; transition: none !important; } }
@media print { .adventure-panel, .quest-celebration { display: none !important; } }