/* NiNaNo Science Hub — Rijke v5.2 layout: header (areas) · sidebar (courses › sessions › tabs) · footer tabs */
:root, :root.theme-dark {
  --bg: #121a22; --pan: #1a232d; --pan2: #212c37; --line: #2c3946; --ink: #e7ecf1; --muted: #93a1ae;
  --side: #10171e; --sel: #2b2414; --pri: #f2a33a; --blue: #5aa9ff; --ok: #34c77b; --warn: #f0b24a; --bad: #ef6b5b;
  --grp: #1e2f44; --ind: #2d2342; --done: #163323; --draft: #3a2f16; --none: #222c36; --cardsh: none;
}
:root.theme-light {
  --bg: #eef1f5; --pan: #ffffff; --pan2: #f4f6f9; --line: #d9e0e7; --ink: #1d2733; --muted: #66727f;
  --side: #f7f8fa; --sel: #fff1da; --pri: #c46f0c; --blue: #2f6fb3; --ok: #2e7d32; --warn: #b26a00; --bad: #c0392b;
  --grp: #e3eefb; --ind: #f3e8fb; --done: #e5f4e6; --draft: #fff2d9; --none: #eef1f4; --cardsh: 0 1px 2px rgba(0,0,0,.05);
}
@media (prefers-color-scheme: light) {
  :root.theme-auto {
    --bg: #eef1f5; --pan: #ffffff; --pan2: #f4f6f9; --line: #d9e0e7; --ink: #1d2733; --muted: #66727f;
    --side: #f7f8fa; --sel: #fff1da; --pri: #c46f0c; --blue: #2f6fb3; --ok: #2e7d32; --warn: #b26a00; --bad: #c0392b;
    --grp: #e3eefb; --ind: #f3e8fb; --done: #e5f4e6; --draft: #fff2d9; --none: #eef1f4; --cardsh: 0 1px 2px rgba(0,0,0,.05);
  }
}
:root { --bar: #0c1218; --bar-ink: #e9eef3; --bar-mut: #8a99a7; --amber: #f2a33a; --amber-ink: #1a1200; --hd: 52px; --ft: 56px; }
* { box-sizing: border-box; }
[v-cloak] { display: none; }
html, body { margin: 0; background: var(--bg); }
#app { min-height: 100vh; background: var(--bg); color: var(--ink); font: 15.5px/1.55 "Pretendard", "Noto Sans KR", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif; }
a { color: var(--blue); text-decoration: none; }
h1, h2, h3, h4 { margin: 0 0 .4em; line-height: 1.3; } h2 { font-size: 1.2rem; } h3 { font-size: 1.05rem; } h4 { font-size: .98rem; }
small, .small { font-size: .85rem; } .muted { color: var(--muted); } .err { color: var(--bad); } .ok { color: var(--ok); } .w { color: var(--warn); }
code { background: var(--none); padding: 1px 5px; border-radius: 4px; font-size: .9em; }
.sp { flex: 1; }

/* ---------- header ---------- */
.hd { position: fixed; top: 0; left: 0; right: 0; height: var(--hd); z-index: 20; display: flex; align-items: center; gap: 10px; padding: 0 12px;
  background: var(--bar); color: var(--bar-ink); border-bottom: 1px solid #222d38; }
.brand { font: 800 16px/1 ui-monospace, Consolas, monospace; color: var(--amber); letter-spacing: 2px; white-space: nowrap; }
.brand.big { font-size: 30px; margin-bottom: 4px; }
.burger { display: none; background: none; border: 0; color: var(--bar-ink); font-size: 22px; cursor: pointer; padding: 4px 6px; }
.seg { display: flex; border: 1px solid #2f3d4a; border-radius: 10px; overflow: hidden; flex-shrink: 0; }
.seg button { border: 0; background: #0f161c; color: var(--bar-mut); font: inherit; font-weight: 700; font-size: 14px; padding: 7px 12px; cursor: pointer; white-space: nowrap; }
.seg button.on { background: var(--amber); color: var(--amber-ink); } .seg button.on.mg { background: #b48cff; color: #1a0f2a; }
.seg .ico { margin-right: 4px; }
.seg.mini { margin: 4px 0 8px; } .seg.mini button { padding: 5px 10px; font-size: 13px; }
.crumb { display: flex; align-items: baseline; gap: 4px; min-width: 0; overflow: hidden; white-space: nowrap; }
.crumb small { color: var(--bar-mut); font-size: 13px; overflow: hidden; text-overflow: ellipsis; } .crumb b { font-size: 16px; }
.chip { border: 1px solid var(--line); border-radius: 99px; padding: 3px 10px; font-size: 12.5px; color: var(--muted); white-space: nowrap; background: transparent; }
.hd .chip { border-color: #2f3d4a; color: var(--bar-mut); }
.hd .chip.g { color: #44d68a; border-color: #1f5a3a; background: #0f2a1c; } .hd .chip.w { color: #f0b24a; border-color: #5a4320; }
.hd .chip.a { color: var(--amber); border-color: #5a4320; cursor: pointer; font: inherit; font-size: 13px; }
.menu { position: absolute; right: 10px; top: 56px; background: var(--pan); color: var(--ink); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0,0,0,.35); display: flex; flex-direction: column; padding: 10px; min-width: 200px; z-index: 40; }
.menu > button { background: none; border: 0; text-align: left; padding: 9px; font: inherit; color: var(--ink); cursor: pointer; border-radius: 8px; }
.menu > button:hover { background: var(--none); } .menu .seg { border-color: var(--line); }

/* ---------- shell ---------- */
.shell { display: flex; padding-top: var(--hd); padding-bottom: var(--ft); min-height: 100vh; }
.side { position: fixed; top: var(--hd); bottom: var(--ft); left: 0; width: 264px; overflow-y: auto; background: var(--side); border-right: 1px solid var(--line);
  padding: 8px 8px 30px; z-index: 15; }
.side.mg { background: color-mix(in srgb, var(--side) 88%, #8a5cff); }
.side h5 { margin: 14px 8px 6px; font-size: 11.5px; letter-spacing: 1px; color: var(--muted); font-weight: 700; } .side h5 small { font-weight: 400; }
.off { margin-bottom: 4px; }
.off-h { width: 100%; display: flex; justify-content: space-between; align-items: center; background: none; border: 0; color: var(--ink); font: inherit; font-weight: 700;
  padding: 8px 8px; border-radius: 8px; cursor: pointer; text-align: left; } .off-h:hover { background: var(--none); } .off-h small { color: var(--muted); font-weight: 400; }
.sess-i { width: 100%; display: flex; gap: 8px; align-items: baseline; background: none; border: 1px solid transparent; color: var(--ink); font: inherit; font-size: 14px;
  padding: 7px 10px; border-radius: 9px; cursor: pointer; text-align: left; }
.sess-i:hover { background: var(--none); } .sess-i.on { background: var(--sel); border-color: var(--amber); font-weight: 700; }
.sess-i .wk { color: var(--pri); font-weight: 800; font-size: 12.5px; min-width: 30px; } .sess-i .t { flex: 1; }
.tree { margin: 2px 0 8px 18px; border-left: 2px solid var(--line); padding-left: 6px; }
.grp { font-size: 11.5px; color: var(--pri); margin: 6px 0 1px 6px; font-weight: 700; }
.leaf { display: block; width: 100%; background: none; border: 0; color: var(--ink); opacity: .85; font: inherit; font-size: 13.5px; text-align: left; padding: 4px 8px; border-radius: 7px; cursor: pointer; }
.leaf:hover { background: var(--none); opacity: 1; } .leaf.on { color: var(--pri); font-weight: 800; opacity: 1; background: var(--none); } .leaf.dis { opacity: .45; }
.leaf.top { padding: 8px 10px; font-size: 14px; } .leaf small { font-size: 11px; color: var(--muted); }
.pad { padding: 4px 10px; }
.main { flex: 1; min-width: 0; margin-left: 264px; padding: 14px 18px 30px; }
.main > section, .main > .card { max-width: 1180px; }

/* ---------- footer tabs (Rijke rk-nav) ---------- */
.ft { position: fixed; left: 0; right: 0; bottom: 0; height: var(--ft); z-index: 20; display: flex; background: var(--bar); border-top: 1px solid #222d38; overflow-x: auto; scrollbar-width: none; }
.ft::-webkit-scrollbar { display: none; }
.ft button { flex: 1; min-width: 92px; border: 0; border-top: 3px solid transparent; background: transparent; color: var(--bar-mut); font: inherit; font-weight: 700; font-size: 15px;
  cursor: pointer; display: flex; flex-direction: column; align-items: center; justify-content: center; line-height: 1.15; }
.ft button.on { color: var(--amber); background: #19222b; border-top-color: var(--amber); } .ft button.dis { color: #56636f; }
.ft small { font-size: 10.5px; font-weight: 400; color: #b48cff; } .ft button.dis small { color: #56636f; }

/* ---------- common ---------- */
.card { background: var(--pan); border: 1px solid var(--line); border-radius: 14px; padding: 14px; margin: 0 0 12px; box-shadow: var(--cardsh); }
.card.center { text-align: center; } .card.row { display: flex; padding: 10px 14px; }
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; background: var(--bar); }
.login-card { width: 100%; max-width: 380px; text-align: center; }
label { display: block; text-align: left; font-size: .88rem; color: var(--muted); margin: 8px 0; } label.inline { display: inline-flex; gap: 8px; align-items: center; margin: 0; }
input, textarea, select { width: 100%; font: inherit; color: var(--ink); background: var(--pan2); border: 1px solid var(--line); border-radius: 10px; padding: 9px 11px; margin-top: 3px; }
label.inline select, label.inline input { width: auto; margin: 0; }
textarea { resize: vertical; } textarea.mono { font-family: ui-monospace, Consolas, "D2Coding", monospace; font-size: .88rem; line-height: 1.45; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--amber); outline-offset: -1px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 9px 15px; min-height: 42px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--pan2); color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn.primary { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); font-weight: 800; }
.btn.danger { color: var(--bad); } .btn.sm { min-height: 32px; padding: 3px 10px; font-size: .85rem; } .btn.wide { width: 100%; margin-top: 8px; } .btn:disabled { opacity: .45; }
.btn.big { min-height: 54px; font-size: 1.02rem; }
.link { background: none; border: 0; color: var(--blue); font: inherit; cursor: pointer; padding: 0; }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; margin-top: 8px; } .row.between { justify-content: space-between; }
.grow { flex: 1; min-width: 140px; } .w5 { max-width: 84px; } .w10 { max-width: 170px; } .nowrap { white-space: nowrap; }
.banner { position: sticky; top: calc(var(--hd) + 6px); z-index: 7; padding: 10px 14px; border-radius: 10px; background: var(--pan); border: 1px solid currentColor; cursor: pointer; margin: 0 0 10px; }
.scroll-x { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.tag { display: inline-block; font-size: .75rem; padding: 1px 8px; border-radius: 99px; background: var(--grp); margin: 1px 2px; } .tag.individual { background: var(--ind); }
.chip.done, .chip.ok { background: var(--done); color: var(--ok); font-weight: 700; border-color: transparent; }
.chip.draft, .chip.wait { background: var(--draft); color: var(--warn); border-color: transparent; } .chip.redo { background: #4a1f1a; color: var(--bad); border-color: transparent; }
.chip.none { background: var(--none); border-color: transparent; }

/* ---------- 실험 홈 (Rijke home) ---------- */
.hero { display: flex; gap: 0; background: var(--pan); border: 1px solid var(--line); border-radius: 16px; overflow: hidden; margin-bottom: 12px; }
.hero .photo { width: 40%; min-height: 380px; background: linear-gradient(135deg, #59687a, #23303c) center/cover no-repeat; position: relative; flex-shrink: 0; }
.hero .photo .cap { position: absolute; left: 0; right: 0; bottom: 0; padding: 30px 14px 12px; background: linear-gradient(transparent, rgba(0,0,0,.75)); color: #fff; font-size: 13px; }
.hero .info { flex: 1; padding: 22px 24px; min-width: 0; }
.kicker { font: 700 12.5px ui-monospace, Consolas, monospace; letter-spacing: 3px; color: var(--pri); text-transform: uppercase; }
.hero h1 { font-size: clamp(1.6rem, 3vw, 2.4rem); margin: 4px 0 6px; } .lead { color: var(--muted); font-size: 1.02rem; margin: 0; }
.rule { height: 3px; background: linear-gradient(90deg, var(--amber), transparent); border-radius: 2px; margin: 14px 0; }
.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.kpi { background: var(--pan2); border: 1px solid var(--line); border-radius: 12px; padding: 10px 12px; display: flex; flex-direction: column; }
.kpi small { color: var(--muted); } .kpi b { font: 800 1.6rem/1.2 ui-monospace, Consolas, monospace; margin: 4px 0 2px; } .kpi b i { font-size: .9rem; font-style: normal; color: var(--muted); }
.kpi b.출석 { color: var(--ok); } .kpi b.지각 { color: var(--warn); } .kpi span { font-size: .78rem; color: var(--muted); }
.actions { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 10px; margin-top: 14px; }
.prog { display: flex; align-items: center; gap: 10px; padding: 6px 0; } .prog b { min-width: 60px; }
.dots { display: flex; gap: 3px; flex-wrap: wrap; flex: 1; } .dots i { width: 16px; height: 16px; border-radius: 4px; background: var(--none); border: 1px solid var(--line); }
.dots i.ok { background: var(--ok); border-color: var(--ok); } .dots i.wait { background: #f0b24a; } .dots i.redo { background: var(--bad); } .dots i.doing { background: #3d6fa8; }

/* ---------- 따라하기 ---------- */
.follow { display: grid; grid-template-columns: 280px 1fr; gap: 12px; align-items: start; }
.steplist { position: sticky; top: calc(var(--hd) + 10px); max-height: calc(100vh - var(--hd) - var(--ft) - 30px); overflow-y: auto; }
.st-i { display: flex; gap: 10px; align-items: center; width: 100%; text-align: left; background: none; border: 1px solid transparent; border-radius: 10px; padding: 7px 8px;
  color: var(--ink); font: inherit; font-size: 14px; cursor: pointer; margin: 2px 0; }
.st-i .n { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; background: var(--none); border: 1px solid var(--line); font-weight: 800; font-size: 13px; flex-shrink: 0; }
.st-i.ok .n { background: var(--done); color: var(--ok); border-color: var(--ok); } .st-i.wait .n { background: var(--draft); border-color: var(--warn); }
.st-i.redo .n { border-color: var(--bad); color: var(--bad); } .st-i.cur { border-color: var(--amber); background: var(--sel); }
.stepno { color: var(--pri); font-weight: 800; } .step h2 { font-size: 1.35rem; margin-top: 6px; } .todo { white-space: pre-wrap; font-size: 1.02rem; }
.figs { display: grid; gap: 8px; margin: 8px 0; } .figs img { width: 100%; border-radius: 10px; border: 1px solid var(--line); cursor: zoom-in; background: #fff; }
.wait { background: #fff4e6; border: 2px solid #e67e22; border-radius: 10px; padding: 8px 12px; margin: 8px 0; font-size: .93rem; color: #3b2a14; } .wait b { color: #c0504d; margin-right: 4px; }
.redo { background: #4a1f1a; border-radius: 10px; padding: 8px 12px; color: #ffd6cf; } .okmsg { background: var(--done); border-radius: 10px; padding: 8px 12px; }
.vals { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; }
.board { border-collapse: collapse; } .board th, .board td { padding: 4px; text-align: center; border-bottom: 1px solid var(--line); } .board td:first-child { text-align: left; }
.dot { width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--line); background: var(--none); color: var(--ink); cursor: pointer; font-size: 1rem; }
.dot.ok { background: var(--ok); color: #fff; } .dot.wait { background: #f0b24a; color: #1a1200; } .dot.redo { background: var(--bad); color: #fff; } .dot.doing { background: #3d6fa8; color: #fff; }

/* ---------- 측정 표 ---------- */
.sheet { border-collapse: collapse; min-width: 100%; font-size: .92rem; }
.sheet th { background: var(--pan2); padding: 6px; font-weight: 600; white-space: nowrap; border: 1px solid var(--line); } .sheet th small { color: var(--muted); font-weight: 400; }
.sheet td { border: 1px solid var(--line); padding: 0; min-width: 74px; } .sheet td input { border: 0; border-radius: 0; margin: 0; padding: 8px; text-align: right; background: transparent; }
.sheet td.calc, .sheet th.calc { background: var(--draft); } .sheet td.calc span { display: block; padding: 8px; text-align: right; }
.sheet tfoot td { padding: 6px 8px; text-align: right; font-weight: 700; } .sheet .c { text-align: center; }
.graph { width: 100%; max-width: 760px; height: auto; font-size: 17px; } .graph text { fill: var(--muted); } .graph .lab { fill: var(--ink); font-weight: 600; }
.graph .gl { stroke: var(--line); } .graph .ax { stroke: var(--muted); }
.x.sm { position: static; width: 28px; height: 28px; border-radius: 50%; border: 0; background: var(--none); color: var(--ink); cursor: pointer; }

/* ---------- 제출·피드백 ---------- */
.act-h { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; } .act-h h3 { margin: 0; flex: 1; min-width: 50%; }
.guide { background: var(--pan2); padding: 8px 12px; border-radius: 8px; font-size: .92rem; white-space: pre-wrap; }
.files { display: grid; grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); gap: 8px; margin: 10px 0; } .files.big { grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); }
.file { position: relative; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--pan2); }
.file img { width: 100%; aspect-ratio: 4/3; object-fit: cover; display: block; cursor: zoom-in; }
.ficon { display: grid; place-items: center; aspect-ratio: 4/3; font-weight: 800; color: var(--muted); font-size: 1.1rem; }
.ficon.sm { display: inline-grid; aspect-ratio: auto; width: 46px; height: 26px; font-size: .7rem; background: var(--none); border-radius: 6px; vertical-align: middle; }
.fmeta { padding: 4px 8px; display: flex; flex-direction: column; font-size: .8rem; } .fname { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.file .x { position: absolute; top: 4px; right: 4px; width: 30px; height: 30px; border-radius: 50%; border: 0; background: rgba(0,0,0,.6); color: #fff; cursor: pointer; }
.btn.up { width: 100%; border-style: dashed; border-width: 2px; margin: 4px 0 8px; } .btn.up.busy { opacity: .7; }
.body { white-space: pre-wrap; background: var(--pan2); padding: 10px; border-radius: 8px; }
.fb { border-top: 2px solid var(--amber); margin-top: 10px; padding-top: 8px; } .fb-row { font-size: .9rem; margin: 3px 0; }
.fb-split { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: start; margin-top: 10px; }
.fb-item { display: flex; width: 100%; align-items: center; gap: 8px; text-align: left; padding: 10px; border: 1px solid var(--line); border-radius: 10px; background: var(--pan2); color: var(--ink); font: inherit; margin: 5px 0; cursor: pointer; }
.rb { border-bottom: 1px solid var(--line); padding: 8px 0; } .rb p { margin: 2px 0; } .rb input { margin: 0; display: inline-block; }
.mat { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 8px 0; border-bottom: 1px solid var(--line); }
.ov { display: flex; align-items: center; gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--line); } .score { color: var(--pri); }
.cells { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.cell { display: flex; flex-direction: column; align-items: flex-start; min-width: 104px; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line); background: var(--none); color: var(--ink); font: inherit; font-size: .86rem; cursor: pointer; }
.cell small { color: var(--muted); } .cell.submitted { background: var(--done); border-color: var(--ok); } .cell.draft { background: var(--draft); border-color: var(--warn); }

/* ---------- 체크인 ---------- */
.code-in { font-size: 2.2rem; text-align: center; letter-spacing: 12px; max-width: 240px; font-weight: 800; }
.bigcode { font-size: clamp(4rem, 18vw, 10rem); font-weight: 900; letter-spacing: .12em; color: var(--pri); line-height: 1.1; font-family: ui-monospace, Consolas, monospace; }
.big-status { font-size: 2rem; font-weight: 900; } .big-status.출석 { color: var(--ok); } .big-status.지각 { color: var(--warn); }
.att-row { display: flex; align-items: center; gap: 4px; padding: 6px 0; border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.pill { border: 1px solid var(--line); background: var(--pan2); color: var(--muted); border-radius: 99px; padding: 4px 11px; font: inherit; font-size: .82rem; cursor: pointer; }
.pill.on { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); }
.pill.on.출석 { background: var(--ok); color: #fff; border-color: var(--ok); } .pill.on.지각 { background: #e69500; color: #fff; border-color: #e69500; }
.pill.on.결석 { background: var(--bad); color: #fff; border-color: var(--bad); } .pill.on.공결 { background: #3d6fa8; color: #fff; border-color: #3d6fa8; }
.mk { font-weight: 800; } .mk.출석 { color: var(--ok); } .mk.지각 { color: #e69500; } .mk.결석 { color: var(--bad); } .mk.공결 { color: var(--blue); }

/* ---------- tables ---------- */
.tbl { width: 100%; border-collapse: collapse; font-size: .9rem; }
.tbl th { text-align: left; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--line); padding: 6px; white-space: nowrap; }
.tbl td { border-bottom: 1px solid var(--line); padding: 5px 6px; }
.tbl td input { margin: 0; padding: 6px 8px; border-color: transparent; background: transparent; }
.tbl td input:hover, .tbl td input:focus { border-color: var(--line); background: var(--pan2); }
.tbl .c { text-align: center; } .tbl tr.empty td { opacity: .55; } .tbl input[type=checkbox] { width: 20px; height: 20px; }
.tbl.mx td, .tbl.mx th { text-align: center; } .tbl.mx td:first-child, .tbl.mx th:first-child { text-align: left; }
.pin { font-family: ui-monospace, Consolas, monospace; font-size: 1.05rem; letter-spacing: 2px; }
.act-edit { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--line); }
.act-edit input, .act-edit select { margin: 0; width: auto; } .act-edit textarea { flex-basis: 100%; margin: 0; }
.minitabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 0 0 10px; }
.minitabs button { border: 1px solid var(--line); background: var(--pan2); color: var(--ink); border-radius: 99px; padding: 6px 13px; font: inherit; font-size: .9rem; cursor: pointer; }
.minitabs button.on { background: var(--amber); color: var(--amber-ink); border-color: var(--amber); font-weight: 800; }
.log { font-size: .85rem; padding: 3px 0; border-bottom: 1px dashed var(--line); }
.pack { padding: 10px 0; border-bottom: 1px solid var(--line); }
.form label { max-width: 560px; }

/* markdown */
.md h2 { font-size: 1.35rem; margin-top: .3em; } .md h3 { font-size: 1.1rem; margin-top: 1.1em; color: var(--pri); }
.md img { max-width: 100%; border-radius: 10px; border: 1px solid var(--line); background: #fff; }
.md blockquote { margin: 8px 0; padding: 8px 12px; border-left: 4px solid var(--amber); background: var(--sel); border-radius: 0 8px 8px 0; }
.md p { margin: .5em 0; } .preview { border-top: 1px dashed var(--line); margin-top: 12px; padding-top: 8px; }

/* modals */
.modal { position: fixed; inset: 0; background: rgba(0,0,0,.55); display: grid; place-items: center; padding: 12px; z-index: 50; }
.modal-card { width: 100%; max-width: 900px; max-height: 90vh; overflow: auto; margin: 0; }
.modal.zoom img { max-width: 96vw; max-height: 92vh; border-radius: 8px; background: #fff; }
.print-only { display: none; }
.scrim { display: none; }

/* ---------- phones / narrow ---------- */
@media (max-width: 900px) {
  :root { --hd: 50px; }
  .burger { display: block; }
  .seg .lbl { display: none; } .seg .ico { margin: 0; font-size: 17px; } .seg button { padding: 6px 10px; }
  .hd { gap: 8px; padding: 0 8px; } .hd .chip:not(.who) { display: none; } .hd .who { padding: 3px 8px; max-width: 92px; overflow: hidden; text-overflow: ellipsis; }
  .crumb small { display: none; } .crumb b { font-size: 14.5px; }
  .brand { font-size: 14px; letter-spacing: 1px; }
  .side { transform: translateX(-102%); transition: transform .2s; width: 286px; box-shadow: 6px 0 24px rgba(0,0,0,.45); }
  .side.open { transform: none; }
  .scrim { display: block; position: fixed; inset: var(--hd) 0 var(--ft) 0; background: rgba(0,0,0,.45); z-index: 14; }
  .main { margin-left: 0; padding: 10px 10px 24px; }
  .hero { flex-direction: column; } .hero .photo { width: 100%; min-height: 210px; } .hero .info { padding: 14px; }
  .kpis { grid-template-columns: repeat(2, 1fr); } .actions { grid-template-columns: 1fr 1fr; } .actions .btn:first-child { grid-column: 1 / -1; }
  .follow { grid-template-columns: 1fr; } .steplist { position: static; max-height: none; display: flex; flex-wrap: wrap; gap: 4px; }
  .steplist .row { width: 100%; } .steplist .st-i { width: auto; padding: 3px; border: 0; } .steplist .st-i span:not(.n) { display: none; }
  .steplist .st-i.cur .n { outline: 3px solid var(--amber); }
  .fb-split { grid-template-columns: 1fr; }
  .ft button { min-width: 74px; font-size: 13.5px; }
}
@media print {
  #app > *:not(.print-only) { display: none !important; }
  .print-only { display: grid; grid-template-columns: 1fr 1fr; }
  .slip { border: 1px dashed #999; padding: 14px; font-size: 13pt; break-inside: avoid; color: #000; }
}

.consts { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0 10px; align-items: center; }
.const { background: var(--pan2); border: 1px solid var(--line); border-radius: 8px; padding: 3px 9px; font-size: .85rem; } .const small { color: var(--muted); margin-right: 4px; }
.estimate { background: var(--sel); border-left: 4px solid var(--amber); padding: 8px 12px; border-radius: 0 8px 8px 0; }