:root {
  --bg: #faf6f0;
  --card: #ffffff;
  --ink: #2b2620;
  --muted: #8a7f70;
  --line: #eadfd0;
  --accent: #e07a3f;
  --accent-soft: #fbe8da;
  --ok: #3a9d6e;
  --ok-soft: #e2f4ea;
  --shadow: 0 1px 3px rgba(60,40,20,.08), 0 4px 16px rgba(60,40,20,.06);
  --radius: 14px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1e1a16;
    --card: #2a2520;
    --ink: #f0e9df;
    --muted: #a99c8b;
    --line: #3b342c;
    --accent: #e88a50;
    --accent-soft: #443123;
    --ok: #4db98a;
    --ok-soft: #24382e;
    --shadow: 0 1px 3px rgba(0,0,0,.3), 0 4px 16px rgba(0,0,0,.25);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); }
.hidden { display: none !important; }
.muted { color: var(--muted); font-size: .85rem; }

/* ---------- header ---------- */
.topbar {
  display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px;
  padding: 14px 22px; background: var(--card); border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 20; box-shadow: var(--shadow);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-emoji { font-size: 1.9rem; }
.brand h1 { margin: 0; font-size: 1.15rem; letter-spacing: .2px; }
.tagline { margin: 0; font-size: .78rem; color: var(--muted); }
.profile { display: flex; align-items: center; gap: 10px; margin-left: auto; }
.profile input[type=text] {
  width: 130px; padding: 7px 10px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font-size: .9rem;
}
.age-label { font-size: .85rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.profile select {
  padding: 7px 8px; border: 1px solid var(--line); border-radius: 8px;
  background: var(--bg); color: var(--ink); font-size: .9rem;
}
.views { display: flex; gap: 6px; }
.view-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 8px 14px; border-radius: 999px; cursor: pointer; font-size: .9rem;
}
.view-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

main { max-width: 1080px; margin: 0 auto; padding: 22px 22px 60px; }

/* ---------- context picker ---------- */
.picker-label { margin: 4px 0 10px; font-weight: 600; }
.context-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 7px 13px; border-radius: 999px; cursor: pointer; font-size: .88rem;
  transition: transform .08s ease;
}
.chip:hover { transform: translateY(-1px); }
.chip.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.today-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin: 18px 0 10px; gap: 12px; flex-wrap: wrap;
}
.today-actions { display: flex; align-items: center; gap: 12px; }
.stretch-toggle { font-size: .82rem; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.ghost-btn {
  border: 1px solid var(--line); background: var(--card); color: var(--ink);
  padding: 7px 14px; border-radius: 999px; cursor: pointer; font-size: .86rem;
}
.ghost-btn:hover { border-color: var(--accent); }
.ghost-btn.danger { color: #c04b3a; }
.file-btn { display: inline-flex; align-items: center; cursor: pointer; }

/* ---------- cards ---------- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 14px; }
.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px 16px 12px; box-shadow: var(--shadow); display: flex; flex-direction: column; gap: 8px;
  position: relative;
}
.card.done-card { opacity: .55; }
.card-top { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.subject-pill {
  font-size: .72rem; font-weight: 600; padding: 2px 9px; border-radius: 999px; color: #fff;
  letter-spacing: .3px;
}
.age-pill { font-size: .72rem; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 2px 8px; }
.ready-pill { font-size: .72rem; border-radius: 999px; padding: 2px 8px; background: var(--ok-soft); color: var(--ok); font-weight: 600; }
.prereq-pill { font-size: .72rem; border-radius: 999px; padding: 2px 8px; background: var(--accent-soft); color: var(--accent); font-weight: 600; cursor: help; }
.card h3 { margin: 2px 0 0; font-size: 1.02rem; line-height: 1.3; }
.card .skill-name { font-size: .78rem; color: var(--muted); margin: 0; }
.card .task { margin: 4px 0 2px; font-size: .9rem; }
.card .prompts { margin: 2px 0 0; padding-left: 0; list-style: none; }
.card .prompts li {
  font-size: .84rem; color: var(--muted); font-style: italic; margin-top: 4px;
  padding-left: 18px; position: relative;
}
.card .prompts li::before { content: "💬"; position: absolute; left: 0; font-style: normal; font-size: .7rem; top: 3px; }
.card-actions { display: flex; gap: 8px; margin-top: auto; padding-top: 8px; border-top: 1px dashed var(--line); }
.done-btn {
  flex: 1; border: 1px solid var(--ok); color: var(--ok); background: transparent;
  padding: 6px 10px; border-radius: 8px; cursor: pointer; font-size: .85rem; font-weight: 600;
}
.done-btn.is-done { background: var(--ok); color: #fff; }
.detail-btn {
  border: 1px solid var(--line); background: transparent; color: var(--muted);
  padding: 6px 12px; border-radius: 8px; cursor: pointer; font-size: .85rem;
}
.show-more-wrap { text-align: center; margin-top: 18px; }
.empty-note {
  grid-column: 1/-1; text-align: center; color: var(--muted); padding: 40px 0; font-size: .95rem;
}

/* ---------- explore ---------- */
.explore-bar { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-bottom: 14px; }
#searchBox {
  flex: 1 1 260px; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card); color: var(--ink); font-size: .95rem;
}
.subject-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.subject-chips .chip { font-size: .78rem; padding: 5px 10px; }
.all-ages-toggle { font-size: .82rem; color: var(--muted); display: flex; align-items: center; gap: 5px; }
.explore-list { display: flex; flex-direction: column; gap: 6px; }
.explore-row {
  display: flex; align-items: baseline; gap: 10px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 10px 14px; cursor: pointer;
}
.explore-row:hover { border-color: var(--accent); }
.explore-row .dot { width: 9px; height: 9px; border-radius: 50%; flex: none; align-self: center; }
.explore-row .er-name { font-weight: 600; font-size: .92rem; }
.explore-row .er-activity { color: var(--muted); font-size: .84rem; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.explore-row .er-age { color: var(--muted); font-size: .76rem; flex: none; }
.explore-row .er-done { flex: none; font-size: .85rem; }
.domain-head { margin: 14px 0 4px; font-size: .8rem; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); }

/* ---------- journey ---------- */
.journey-hero {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 20px 24px; box-shadow: var(--shadow); margin-bottom: 18px; font-size: 1.05rem;
}
.journey-hero .big { font-size: 2rem; font-weight: 700; color: var(--accent); }
.journey-bars { display: flex; flex-direction: column; gap: 10px; }
.jbar { display: grid; grid-template-columns: 190px 1fr 70px; gap: 12px; align-items: center; }
.jbar .jlabel { font-size: .88rem; text-align: right; }
.jbar .track { height: 12px; border-radius: 999px; background: var(--line); overflow: hidden; }
.jbar .fill { height: 100%; border-radius: 999px; transition: width .4s ease; }
.jbar .jcount { font-size: .78rem; color: var(--muted); }
.recent-title { margin: 26px 0 8px; }
.recent-list { list-style: none; padding: 0; margin: 0 0 24px; display: flex; flex-direction: column; gap: 6px; }
.recent-list li {
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 14px; font-size: .88rem; display: flex; gap: 10px; align-items: baseline;
}
.recent-list .when { color: var(--muted); font-size: .76rem; margin-left: auto; }
.data-actions { display: flex; gap: 10px; flex-wrap: wrap; }

/* ---------- modal ---------- */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(30,20,10,.45); z-index: 50;
  display: flex; align-items: flex-start; justify-content: center; padding: 5vh 16px;
}
.modal {
  background: var(--card); border-radius: 16px; max-width: 640px; width: 100%;
  max-height: 88vh; overflow-y: auto; padding: 26px 28px; box-shadow: 0 12px 48px rgba(0,0,0,.3);
}
.modal h2 { margin: 0 0 2px; font-size: 1.3rem; }
.modal .m-skillname { color: var(--muted); font-size: .9rem; margin: 0 0 12px; }
.modal .m-section { margin: 16px 0 0; }
.modal .m-section h4 { margin: 0 0 6px; font-size: .8rem; text-transform: uppercase; letter-spacing: .8px; color: var(--muted); }
.modal .m-task { font-size: .98rem; background: var(--accent-soft); border-radius: 10px; padding: 12px 14px; }
.modal ul { margin: 4px 0; padding-left: 20px; }
.modal li { margin: 3px 0; font-size: .92rem; }
.m-contexts { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.prereq-item { display: flex; gap: 8px; align-items: baseline; cursor: pointer; }
.prereq-item:hover .p-name { color: var(--accent); }
.prereq-item .p-status { flex: none; }
.prereq-item .p-why { color: var(--muted); font-size: .8rem; }
.m-close {
  position: sticky; top: 0; float: right; border: none; background: var(--line);
  border-radius: 50%; width: 32px; height: 32px; cursor: pointer; font-size: 1rem; color: var(--ink);
}
.m-actions { margin-top: 20px; display: flex; gap: 10px; }
.assessment { font-style: italic; }

/* ---------- footer ---------- */
.attribution {
  border-top: 1px solid var(--line); padding: 18px 22px 26px; font-size: .74rem;
  color: var(--muted); text-align: center; line-height: 1.7;
}

@media (max-width: 640px) {
  .topbar { padding: 10px 14px; }
  main { padding: 14px 14px 50px; }
  .jbar { grid-template-columns: 110px 1fr 60px; }
  .jbar .jlabel { font-size: .76rem; }
}

/* ---------- daily life: routine cards ---------- */
.view-intro { margin: 4px 0 18px; color: var(--muted); max-width: 640px; }
.routine-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 14px; }
.routine-card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 16px; box-shadow: var(--shadow); cursor: pointer;
  display: flex; flex-direction: column; gap: 10px; transition: transform .1s ease, border-color .1s ease;
}
.routine-card:hover { transform: translateY(-2px); border-color: var(--accent); }
.rc-head { display: flex; gap: 12px; align-items: center; }
.rc-emoji { font-size: 1.8rem; }
.rc-head h3 { margin: 0; font-size: 1.05rem; }
.rc-tagline { margin: 0; font-size: .78rem; color: var(--muted); }
.rc-rung { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.rc-rung-label { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.rung-dots { display: inline-flex; gap: 3px; }
.rung-dots .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--line); display: inline-block; }
.rung-dots .dot.past { background: var(--ok); opacity: .5; }
.rung-dots .dot.cur { background: var(--accent); transform: scale(1.25); }
.rung-title { font-weight: 700; font-size: .92rem; }
.levelup-pill { font-size: .7rem; font-weight: 700; color: var(--ok); background: var(--ok-soft); border-radius: 999px; padding: 2px 8px; }
.src-pill { font-size: .68rem; color: var(--muted); border: 1px dashed var(--line); border-radius: 999px; padding: 1px 7px; }
.rc-does { margin: 0; font-size: .87rem; }
.skills-note { font-size: .72rem; color: var(--muted); }
.rc-foot { display: flex; align-items: center; justify-content: space-between; gap: 8px; margin-top: auto; padding-top: 4px; }
.rc-next { font-size: .78rem; color: var(--muted); }

/* ---------- ladder modal ---------- */
.ladder { display: flex; flex-direction: column; gap: 10px; margin-top: 14px; }
.rung-box { border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px; }
.rung-box.current { border-color: var(--accent); background: var(--accent-soft); }
.rung-head { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.rung-num {
  width: 22px; height: 22px; border-radius: 50%; background: var(--line);
  display: inline-flex; align-items: center; justify-content: center; font-size: .75rem; font-weight: 700; flex: none;
}
.rung-box.current .rung-num { background: var(--accent); color: #fff; }
.here-pill { font-size: .68rem; font-weight: 800; letter-spacing: .5px; color: var(--accent); margin-left: auto; }
.set-rung { margin-left: auto; font-size: .74rem; padding: 4px 10px; }
.rung-does { margin: 8px 0 0; font-size: .88rem; }
.rung-skills { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.skill-chip {
  border: 1px solid var(--sub, var(--line)); color: var(--ink); background: var(--card);
  font-size: .74rem; border-radius: 999px; padding: 3px 10px; cursor: pointer;
}
.skill-chip.done { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.rung-levelup { margin: 8px 0 0; font-size: .78rem; color: var(--muted); font-style: italic; }
.mini-track { height: 5px; border-radius: 999px; background: var(--line); margin-top: 8px; overflow: hidden; }
.mini-fill { height: 100%; background: var(--ok); border-radius: 999px; }
.m-back { margin-bottom: 10px; font-size: .78rem; }

/* ---------- skill tree ---------- */
.domain-block { margin-bottom: 6px; }
.domain-toggle {
  width: 100%; display: flex; align-items: center; gap: 10px; text-align: left;
  background: var(--card); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 14px; cursor: pointer; color: var(--ink); font-size: .92rem; font-weight: 600;
}
.domain-toggle:hover { border-color: var(--accent); }
.dt-arrow { color: var(--muted); }
.dt-count { color: var(--muted); font-size: .76rem; font-weight: 400; margin-left: auto; }
.dt-bar { width: 90px; height: 7px; border-radius: 999px; background: var(--line); overflow: hidden; flex: none; }
.dt-bar span { display: block; height: 100%; border-radius: 999px; }
.domain-items { padding: 6px 0 10px; }
.tree-row {
  display: flex; align-items: center; gap: 8px; padding: 5px 10px 5px calc(14px + var(--indent, 0) * 18px);
  border-radius: 8px; font-size: .88rem;
}
.tree-row:hover { background: var(--card); }
.tree-row input[type=checkbox] { accent-color: var(--ok); cursor: pointer; }
.tr-status { font-size: .72rem; }
.tr-name {
  background: none; border: none; color: var(--ink); cursor: pointer; font-size: .88rem;
  text-align: left; padding: 0;
}
.tr-name:hover { color: var(--accent); text-decoration: underline; }
.tr-meta { margin-left: auto; color: var(--muted); font-size: .72rem; flex: none; }
.tree-row .dot { width: 8px; height: 8px; border-radius: 50%; flex: none; }

/* ---------- journey additions ---------- */
.baseline-box {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--card); border: 1px dashed var(--line); border-radius: 12px;
  padding: 12px 16px; margin-bottom: 18px; font-size: .88rem; color: var(--muted);
}
.rung-overview { display: flex; flex-direction: column; gap: 6px; margin-bottom: 8px; }
.rung-ov {
  display: flex; align-items: center; gap: 10px; background: var(--card);
  border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px; cursor: pointer; font-size: .88rem;
}
.rung-ov:hover { border-color: var(--accent); }
.rung-ov .rc-emoji { font-size: 1.1rem; }
.ro-name { font-weight: 600; }
.ro-rung { margin-left: auto; color: var(--muted); font-size: .8rem; }

/* ---------- skill graph ---------- */
.domain-chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 14px; }
.dchip .dchip-count { opacity: .6; font-size: .72rem; margin-left: 4px; }
.graph-head { margin-bottom: 12px; display: flex; flex-direction: column; gap: 10px; }
.graph-legend { display: flex; flex-wrap: wrap; gap: 14px; font-size: .78rem; color: var(--muted); align-items: center; }
.graph-legend .lg {
  display: inline-flex; width: 20px; height: 16px; border-radius: 5px; border: 1.5px solid var(--line);
  align-items: center; justify-content: center; font-size: .6rem; margin-right: 4px; vertical-align: middle;
}
.graph-legend .lg.done { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.graph-legend .lg.next { background: var(--accent-soft); border-color: var(--accent); }
.graph-legend .lg.locked { opacity: .55; }
.graph-legend .lg.ghost { border-style: dashed; }
.nextup {
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: .84rem;
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 10px 14px;
}
.nu-chip { font-size: .76rem; padding: 4px 10px; border-color: var(--accent); }
.graph-scroll {
  overflow: auto; border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--card); max-height: 72vh; box-shadow: var(--shadow);
}
.gedge { fill: none; stroke: var(--muted); stroke-width: 1.3; opacity: .4; }
.gedge.done { stroke: var(--ok); opacity: .75; }
.gedge.soft { stroke-dasharray: 4 4; }
.gnode { cursor: pointer; }
.gnode rect { fill: var(--bg); stroke: var(--line); stroke-width: 1.5; transition: stroke-width .1s; }
.gnode:hover rect { stroke-width: 2.5; }
.gnode.done rect { fill: var(--ok-soft); stroke: var(--ok); }
.gnode.next rect { fill: var(--accent-soft); stroke: var(--accent); stroke-width: 2; }
.gnode.locked { opacity: .62; }
.gnode.ghost rect { stroke-dasharray: 5 4; }
.gnode text { pointer-events: none; }
.gnode .gicon { font-size: 11px; fill: var(--muted); }
.gnode.done .gicon { fill: var(--ok); font-weight: 700; }
.gnode .glabel { font-size: 11.5px; fill: var(--ink); }
.gnode .ginfo { pointer-events: all; cursor: help; font-size: 12px; fill: var(--muted); opacity: .5; }
.gnode .ginfo:hover, .iso-chip .ginfo:hover { opacity: 1; fill: var(--accent); }
.iso-block { margin-top: 16px; }
.iso-chips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.iso-chip.done { background: var(--ok-soft); border-color: var(--ok); color: var(--ok); }
.iso-chip .ginfo { opacity: .5; font-style: normal; }

/* ---------- ready-now = yellow ---------- */
:root { --ready: #d99a00; --ready-soft: #fdf1c2; }
@media (prefers-color-scheme: dark) {
  :root { --ready: #e8b93a; --ready-soft: #453a12; }
}
.gnode.next rect { fill: var(--ready-soft); stroke: var(--ready); stroke-width: 2; }
.graph-legend .lg.next { background: var(--ready-soft); border-color: var(--ready); }
.nu-chip { border-color: var(--ready); background: var(--ready-soft); }
.nextup b { color: var(--ready); }
.gnode .gsub { pointer-events: none; }

/* ---------- graph status filter ---------- */
.status-filter { display: flex; flex-wrap: wrap; gap: 6px; }
.status-filter .chip.active { background: var(--ink); border-color: var(--ink); color: var(--bg); }
.status-filter .f-ready.active { background: var(--ready); border-color: var(--ready); color: #fff; }
.status-filter .f-done.active { background: var(--ok); border-color: var(--ok); color: #fff; }
.iso-chip.ready { background: var(--ready-soft); border-color: var(--ready); }
.iso-chip.locked { opacity: .6; }

/* ---------- graph layout v2 ---------- */
.filter-row { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.zoom-ctl { display: inline-flex; gap: 4px; }
.zoom-ctl .ghost-btn { padding: 4px 10px; font-size: .8rem; }
.gsection { font-size: 15px; font-weight: 700; }
.gsection-line { stroke: var(--line); stroke-width: 1; }
.gedge.hl { stroke: var(--accent); opacity: 1; stroke-width: 2.2; }