/* Hardwood Floor Hero — styles */
:root {
  --bg: #f7f1e7;
  --panel: #fffdf9;
  --ink: #2b2118;
  --ink-soft: #6b5d4d;
  --line: #e4d8c4;
  --line-strong: #d2c2a6;
  --wood: #b5651d;
  --wood-dark: #6b4423;
  --wood-deep: #4a2f18;
  --gold: #e0a458;
  --amber: #c9772c;
  --start: #2f7d5b;   /* reused offcut / start */
  --cut: #c0492f;     /* end cut */
  --fresh: #b07a1e;   /* fresh-cut starter */
  --rip: #7a5bb0;     /* ripped row */
  --shadow: 0 1px 2px rgba(74,47,24,.08), 0 6px 18px rgba(74,47,24,.08);
  --radius: 12px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

/* ---------- header ---------- */
header.app {
  background:
    linear-gradient(120deg, rgba(255,255,255,.06) 0 2px, transparent 2px) 0 0/14px 100%,
    linear-gradient(180deg, #5c3a1e, #3f2814);
  color: #f4e7d2;
  padding: 16px 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  box-shadow: var(--shadow);
}
header.app .brand { display: flex; align-items: center; gap: 12px; margin-right: auto; }
header.app h1 { font-size: 21px; margin: 0; letter-spacing: .2px; font-weight: 800; }
header.app .tag { font-size: 12.5px; color: #d8c4a3; margin: 2px 0 0; }
header.app .logo {
  width: 40px; height: 40px; border-radius: 9px; display: grid; place-items: center;
  background: linear-gradient(160deg, var(--gold), var(--amber));
  font-size: 22px; box-shadow: inset 0 0 0 2px rgba(255,255,255,.25);
}
.toolbar { display: flex; gap: 8px; flex-wrap: wrap; }

/* ---------- buttons ---------- */
button {
  font: inherit; cursor: pointer; border-radius: 9px; border: 1px solid transparent;
  padding: 8px 13px; background: #efe4d2; color: var(--ink); transition: .12s;
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
}
button:hover { filter: brightness(.97); }
button:active { transform: translateY(1px); }
button.primary { background: linear-gradient(160deg, var(--gold), var(--amber)); color: #3b2410; font-weight: 700; border-color: rgba(0,0,0,.06); }
button.ghost { background: transparent; border-color: rgba(255,255,255,.35); color: #f4e7d2; }
button.ghost:hover { background: rgba(255,255,255,.1); }
button.mini { padding: 4px 9px; font-size: 13px; border: 1px solid var(--line-strong); background: var(--panel); }
button.danger { color: var(--cut); }

/* ---------- layout ---------- */
.wrap { display: grid; grid-template-columns: 340px 1fr; gap: 20px; padding: 20px; align-items: start; max-width: 1500px; margin: 0 auto; }
@media (max-width: 880px) { .wrap { grid-template-columns: 1fr; padding: 14px; gap: 14px; } }

.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.controls { position: sticky; top: 16px; }
@media (max-width: 880px) { .controls { position: static; } }

fieldset { border: none; border-top: 1px solid var(--line); margin: 0; padding: 16px 18px; }
fieldset:first-of-type { border-top: none; }
legend { font-size: 12px; font-weight: 800; text-transform: uppercase; letter-spacing: .07em; color: var(--amber); padding: 0; margin-bottom: 4px; }
.hint { font-size: 12px; color: var(--ink-soft); margin: -2px 0 10px; }

.field { margin-bottom: 12px; }
.field:last-child { margin-bottom: 0; }
label.lab { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-soft); margin-bottom: 4px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; }

input[type=text], input[type=number], select {
  width: 100%; font: inherit; padding: 8px 10px; border: 1px solid var(--line-strong);
  border-radius: 8px; background: #fffefb; color: var(--ink);
}
input:focus, select:focus { outline: 2px solid var(--gold); outline-offset: -1px; border-color: var(--gold); }
.with-unit { position: relative; }
.with-unit .u { position: absolute; right: 10px; top: 50%; transform: translateY(-50%); font-size: 12px; color: var(--ink-soft); pointer-events: none; }
.with-unit input { padding-right: 38px; }

.seg { display: inline-flex; background: #efe4d2; border-radius: 9px; padding: 3px; gap: 3px; }
.seg button { background: transparent; padding: 6px 12px; border-radius: 7px; font-size: 13.5px; }
.seg button[aria-pressed=true] { background: var(--panel); box-shadow: var(--shadow); font-weight: 700; }

.check { display: flex; align-items: center; gap: 9px; cursor: pointer; font-size: 14px; }
.check input { width: 18px; height: 18px; accent-color: var(--amber); }

/* ---------- room tabs ---------- */
.rooms { display: flex; flex-wrap: wrap; gap: 7px; margin-bottom: 12px; }
.room-tab { display: inline-flex; align-items: center; gap: 6px; padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line-strong); background: var(--panel); font-size: 13px; cursor: pointer; }
.room-tab[aria-selected=true] { background: var(--wood-dark); color: #f4e7d2; border-color: var(--wood-dark); }
.room-tab .x { opacity: .6; font-weight: 700; }
.room-tab .x:hover { opacity: 1; }

/* ---------- per-room subsections (cutouts / transitions) ---------- */
.subsec { margin-top: 14px; border-top: 1px dashed var(--line-strong); padding-top: 12px; }
.subhead { font-size: 12px; font-weight: 800; color: var(--ink-soft); margin-bottom: 8px; display: flex; gap: 6px; align-items: baseline; flex-wrap: wrap; text-transform: uppercase; letter-spacing: .04em; }
.hint-inline { font-weight: 400; font-size: 11px; color: var(--ink-soft); text-transform: none; letter-spacing: 0; }
.xcard { border: 1px solid var(--line-strong); border-radius: 9px; padding: 8px; margin-bottom: 8px; background: #fffefb; }
.xcard-top { display: flex; gap: 6px; margin-bottom: 6px; }
.xcard-top input { flex: 1; padding: 5px 8px; font-size: 13px; }
.xcard .rm { padding: 4px 8px; border: 1px solid var(--line-strong); background: var(--panel); color: var(--cut); border-radius: 7px; font-size: 12px; }
.row4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 5px; }
.row4 label, .trow label { font-size: 10.5px; color: var(--ink-soft); font-weight: 700; display: block; }
.row4 input { padding: 5px 6px; font-size: 12.5px; width: 100%; }
.trow { display: grid; grid-template-columns: 1.3fr 1fr; gap: 6px; }
.trow select, .trow input { padding: 5px 6px; font-size: 12.5px; width: 100%; }

/* ---------- results ---------- */
.results { display: grid; gap: 18px; }
.section-title { display: flex; align-items: center; justify-content: space-between; gap: 10px; margin: 0 0 12px; }
.section-title h2 { font-size: 16px; margin: 0; }
.section-title .sub { font-size: 12.5px; color: var(--ink-soft); }

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; padding: 16px; }
.stat { background: linear-gradient(180deg, #fffdf8, #fbf4e8); border: 1px solid var(--line); border-radius: 10px; padding: 11px 13px; }
.stat .k { font-size: 11.5px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .05em; font-weight: 700; }
.stat .v { font-size: 22px; font-weight: 800; margin-top: 3px; line-height: 1.1; }
.stat .v small { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.stat.accent { background: linear-gradient(160deg, var(--gold), var(--amber)); border-color: rgba(0,0,0,.05); }
.stat.accent .k { color: #5a3a14; } .stat.accent .v { color: #3b2410; }

.mapwrap { padding: 14px 16px 18px; }
.maptools { display: flex; flex-wrap: wrap; gap: 8px 14px; align-items: center; margin-bottom: 10px; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; font-size: 12px; color: var(--ink-soft); }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.swatch { width: 13px; height: 13px; border-radius: 3px; border: 1px solid rgba(0,0,0,.15); display: inline-block; }
.floor-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #efe6d6; }
svg.floor { display: block; width: 100%; height: auto; }
svg.floor text { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* ---------- cut list ---------- */
.cutlist { padding: 6px 0 8px; }
.cut-row { border-top: 1px solid var(--line); padding: 11px 16px; display: grid; grid-template-columns: 64px 1fr; gap: 12px; align-items: start; }
.cut-row:first-child { border-top: none; }
.cut-row .rlabel { font-weight: 800; font-size: 13px; color: var(--wood-dark); }
.cut-row .rlabel small { display: block; font-weight: 600; color: var(--ink-soft); font-size: 11px; }
.pieces { display: flex; flex-wrap: wrap; gap: 6px; }
.chip { font-size: 12.5px; padding: 4px 9px; border-radius: 7px; border: 1px solid var(--line-strong); background: #fff; font-family: ui-monospace, Menlo, monospace; white-space: nowrap; }
.chip .src { font-family: inherit; color: var(--ink-soft); font-size: 11px; }
.chip.full { background: #faf3e6; }
.chip.start { border-color: var(--start); color: #1e5b40; background: #eef7f1; }
.chip.fresh { border-color: var(--fresh); color: #7a560f; background: #fbf3e0; }
.chip.end { border-color: var(--cut); color: #8c3320; background: #fbeee9; }
.chip.solo { border-color: var(--amber); background: #fbf1e4; }
.chip.gap { border-style: dashed; border-color: #b9a884; color: #6b5d4d; background: #f4eee2; }
.chip.notched { box-shadow: inset 0 0 0 1.5px #8c7a59; }
.cut-row .rip { font-size: 11.5px; color: var(--rip); font-weight: 700; margin-top: 5px; }

/* ---------- messages ---------- */
.msg { margin: 0 0 10px; padding: 10px 13px; border-radius: 9px; font-size: 13px; display: flex; gap: 8px; }
.msg.warn { background: #fbf0df; border: 1px solid #e9c98a; color: #7a560f; }
.msg.note { background: #eef6f0; border: 1px solid #bfe0cc; color: #1e5b40; }
.msg.err { background: #fbeae6; border: 1px solid #e6b3a6; color: #8c3320; }
.empty { padding: 40px 16px; text-align: center; color: var(--ink-soft); }

.footnote { font-size: 11.5px; color: var(--ink-soft); padding: 0 18px 18px; }
.footnote a { color: var(--amber); }

/* ---------- share modal ---------- */
.modal { position: fixed; inset: 0; z-index: 50; display: grid; place-items: center; padding: 18px; }
.modal[hidden] { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(43,33,24,.5); backdrop-filter: blur(2px); }
.modal-card { position: relative; background: var(--panel); border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.3); padding: 22px; width: min(380px, 92vw); text-align: center; }
.modal-card h3 { margin: 0 0 4px; font-size: 18px; }
.modal-sub { margin: 0 0 14px; font-size: 12.5px; color: var(--ink-soft); }
.modal-x { position: absolute; top: 10px; right: 10px; background: transparent; padding: 4px 8px; color: var(--ink-soft); }
.qrbox { width: 240px; height: 240px; margin: 0 auto 14px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 10px; display: grid; place-items: center; }
.qrbox svg { width: 100%; height: 100%; display: block; }
.qrbox.toobig { font-size: 13px; color: var(--ink-soft); padding: 24px; }
.shareurl { width: 100%; font: 12px ui-monospace, Menlo, monospace; padding: 8px 10px; border: 1px solid var(--line-strong); border-radius: 8px; resize: none; color: var(--ink); background: #fffefb; word-break: break-all; }
.modal-actions { display: flex; gap: 8px; justify-content: center; margin-top: 12px; }

/* ---------- print ---------- */
@media print {
  header.app .toolbar, .controls, .maptools, .room-tab .x { display: none !important; }
  body { background: #fff; }
  .wrap { display: block; padding: 0; }
  .panel { box-shadow: none; border: none; }
  .results { gap: 10px; }
  .floor-scroll { border: 1px solid #ccc; overflow: visible; }
  .cut-row, .stat { break-inside: avoid; }
  header.app { background: #3f2814 !important; -webkit-print-color-adjust: exact; print-color-adjust: exact; }
  .stat.accent, .chip { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
}