/* ==========================================================================
   IDEA MEDIA USA — Build Your Setup (build-your-setup.html only)
   Layered on top of style.css; uses its brand tokens and defines no rule
   that restyles any other page.
   ========================================================================== */

.sb-hero { padding-bottom: clamp(2.2rem, 5vw, 3.4rem); }
.sb-hero h1 { margin-bottom: .3em; }
.sb-hero .lead { margin: 0; }

.sb { padding: clamp(1.4rem, 3vw, 2.4rem) 0 clamp(3rem, 7vw, 5rem); }
.sb-app {
  width: min(1440px, 94%);
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr) 380px;
  gap: 1.4rem;
  align-items: start;
}
@media (max-width: 1023px) {
  .sb-app { grid-template-columns: 1fr; }
}

/* ---------- Stage ---------- */
.sb-stage-col {
  position: sticky;
  top: calc(var(--header-h) + 1rem);
}
/* Phones and tablets: the drawing stays in view while the controls scroll
   under it. Its height is set by stage-builder.js to fit the scene. */
@media (max-width: 1023px) {
  .sb-stage-col { top: var(--header-h); z-index: 5; }
  .sb-stage-card { border-radius: 0 0 var(--radius) var(--radius); }
}
@media (max-width: 900px) {
  .sb-toolbar { gap: .45rem; padding: .5rem .6rem; }
  .sb-tool-group { gap: .2rem; }
  .sb-icon-btn { width: 34px; height: 34px; }
  .sb-toolbar .sb-seg button { padding: .35rem .55rem; min-height: 34px; }
  .sb-play { min-height: 34px; padding: 0 .7rem; }
  .sb-switch { font-size: .8rem; }
  .sb-caption { font-size: .74rem; padding: .45rem .7rem; }
}
.sb-stage-card {
  background: var(--near-black);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.sb-toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6rem 1rem;
  padding: .7rem .9rem;
  border-bottom: 1px solid var(--line-on-dark);
  color: var(--off-white);
}
.sb-tool-group { display: flex; gap: .25rem; }
.sb-icon-btn {
  width: 38px; height: 38px;
  display: grid; place-items: center;
  border: 1px solid var(--line-on-dark);
  border-radius: 6px;
  background: transparent;
  color: var(--off-white);
  transition: border-color .2s, background .2s;
}
.sb-icon-btn svg { width: 18px; height: 18px; }
.sb-icon-btn:hover:not(:disabled) { border-color: var(--muted-on-dark); background: #161616; }
.sb-icon-btn:disabled { opacity: .35; cursor: default; }

.sb-seg {
  display: inline-flex;
  border: 1px solid var(--line-on-dark);
  border-radius: 6px;
  overflow: hidden;
}
.sb-seg button {
  border: 0;
  background: transparent;
  color: var(--muted-on-dark);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .82rem;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: .5rem .85rem;
  min-height: 38px;
}
.sb-seg button + button { border-left: 1px solid var(--line-on-dark); }
.sb-seg button[aria-pressed="true"] { background: var(--off-white); color: var(--black); }
.sb-views button[aria-pressed="true"] { background: var(--red); color: var(--white); }

.sb-play {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  min-height: 38px;
  padding: 0 .9rem;
  border: 1px solid var(--line-on-dark);
  border-radius: 999px;
  background: transparent;
  color: var(--off-white);
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  transition: background .2s, border-color .2s;
}
.sb-play svg { width: 15px; height: 15px; }
.sb-play .sb-ico-pause { display: none; }
.sb-play[aria-pressed="true"] { background: #1c1c1c; border-color: var(--red); }
.sb-play[aria-pressed="true"] .sb-ico-play { display: none; }
.sb-play[aria-pressed="true"] .sb-ico-pause { display: block; }
.sb-play:hover { border-color: var(--muted-on-dark); }

.sb-switch { display: inline-flex; align-items: center; gap: .5rem; font-size: .88rem; color: var(--muted-on-dark); cursor: pointer; }
.sb-switch input { width: 1.05rem; height: 1.05rem; accent-color: var(--red); }
.sb-narrow-only { display: none; }
@media (max-width: 900px) {
  .sb-wide-only { display: none; }
  .sb-narrow-only { display: inline; }
}

.sb-text-btn {
  border: 0;
  background: none;
  padding: .4rem 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: inherit;
  text-decoration: underline;
  text-decoration-color: transparent;
  text-underline-offset: 4px;
  transition: text-decoration-color .2s, color .2s;
}
.sb-text-btn:hover { text-decoration-color: currentColor; }
.sb-toolbar .sb-text-btn { margin-left: auto; color: var(--muted-on-dark); }
.sb-toolbar .sb-text-btn:hover { color: var(--off-white); }

.sb-stage-wrap { position: relative; }
#sb-stage {
  display: block;
  width: 100%;
  height: clamp(340px, 62vh, 680px);
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  background: #070707;
}
#sb-stage:focus { outline: none; }
#sb-stage:focus-visible { outline: 2px solid rgba(255, 46, 68, .55); outline-offset: -2px; }
#sb-stage [data-id] { cursor: grab; }
#sb-stage.is-dragging, #sb-stage.is-dragging [data-id] { cursor: grabbing; }
#sb-stage [data-handle="l"], #sb-stage [data-handle="r"] { cursor: ew-resize; }
#sb-stage [data-handle="t"] { cursor: ns-resize; }
#sb-stage [data-handle="tl"] { cursor: nwse-resize; }
#sb-stage [data-handle="tr"] { cursor: nesw-resize; }

#sb-stage.is-painting, #sb-stage.is-tiles { cursor: crosshair; }
#sb-stage.is-tiles [data-id] { cursor: crosshair; }
#sb-stage.is-side [data-id] { cursor: default; }

.sb-caption {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .35rem 1rem;
  min-height: 2.4rem;
  padding: .55rem .9rem;
  border-top: 1px solid var(--line-on-dark);
  font-size: .8rem;
  line-height: 1.4;
  color: var(--muted-on-dark);
}
.sb-caption strong { color: var(--off-white); font-weight: 600; }
.sb-key { display: inline-flex; align-items: center; gap: .4rem; white-space: nowrap; }
.sb-key i { width: 10px; height: 10px; border-radius: 2px; display: inline-block; }
.sb-live { position: absolute; left: -9999px; }

/* ---------- Panel ---------- */
.sb-panel { display: flex; flex-direction: column; gap: 1rem; }
.sb-card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.15rem 1.2rem 1.25rem;
}
.sb-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .8rem;
  margin-bottom: .9rem;
}
.sb-card h2 {
  font-size: 1.05rem;
  letter-spacing: .02em;
  margin: 0;
  display: flex;
  align-items: center;
  gap: .55rem;
}
.sb-step {
  width: 1.6rem; height: 1.6rem;
  display: inline-grid; place-items: center;
  background: var(--black);
  color: var(--white);
  font-size: .78rem;
  border-radius: 50%;
}
.sb-label {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--muted);
  margin: 1.1rem 0 .55rem;
}
.sb-card-head + .sb-label { margin-top: 0; }
.sb-note { font-size: .82rem; color: var(--muted); margin: .55rem 0 0; line-height: 1.5; }

/* Screen tabs (only when there are 2+ screens) */
.sb-tabs { display: flex; gap: .3rem; flex-wrap: wrap; justify-content: flex-end; }
.sb-tabs button {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 999px;
  padding: .2rem .7rem;
  font-size: .78rem;
  font-weight: 600;
  color: var(--muted);
}
.sb-tabs button[aria-selected="true"] { background: var(--black); border-color: var(--black); color: var(--white); }

/* Packages */
.sb-packages { display: grid; gap: .45rem; }
.sb-pkg {
  display: grid;
  grid-template-columns: 54px 1fr auto;
  align-items: center;
  gap: .8rem;
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: .55rem .75rem;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.sb-pkg:hover { border-color: #b9b9b9; }
.sb-pkg[aria-pressed="true"] { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255, 46, 68, .14); }
.sb-pkg-thumb { width: 54px; height: 34px; display: grid; place-items: center; }
.sb-pkg-thumb i { display: block; background: var(--black); border-radius: 2px; }
.sb-pkg[aria-pressed="true"] .sb-pkg-thumb i { background: var(--red); }
.sb-pkg-name { font-family: var(--font-head); font-weight: 800; font-size: .88rem; text-transform: uppercase; letter-spacing: .03em; line-height: 1.2; }
.sb-pkg-dims { display: block; font-size: .8rem; color: var(--muted); line-height: 1.35; }
.sb-badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  padding: .18rem .45rem;
  border-radius: 4px;
  background: var(--off-white);
  color: var(--muted);
  white-space: nowrap;
}
.sb-badge.is-wide { background: #e9f6ee; color: #156434; }

/* Custom size steppers */
.sb-size { display: flex; align-items: flex-start; gap: .6rem; }
.sb-times { font-size: 1.2rem; color: var(--muted); padding-top: 2rem; }
.sb-stepper { flex: 1; min-width: 0; }
.sb-stepper-label {
  display: block;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .72rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  margin-bottom: .35rem;
}
.sb-stepper-ctl {
  display: grid;
  grid-template-columns: 38px 1fr 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.sb-stepper-ctl button {
  border: 0;
  background: var(--off-white);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--ink);
  min-height: 42px;
}
.sb-stepper-ctl button:hover:not(:disabled) { background: #e8ebea; }
.sb-stepper-ctl button:disabled { color: #c3c3c3; cursor: default; }
.sb-stepper-ctl input {
  width: 100%;
  min-width: 0;
  border: 0;
  border-inline: 1px solid var(--line);
  text-align: center;
  font: inherit;
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--ink);
  -moz-appearance: textfield;
}
.sb-stepper-ctl input::-webkit-outer-spin-button,
.sb-stepper-ctl input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.sb-stepper-ctl input:focus { outline: none; box-shadow: inset 0 0 0 2px var(--red); }
.sb-stepper-sub { display: block; font-size: .78rem; color: var(--muted); margin-top: .3rem; }

.sb-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem;
  margin: 1rem 0 0;
}
.sb-stats div { background: var(--off-white); border-radius: 6px; padding: .55rem .6rem; }
.sb-stats dt { font-size: .68rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.sb-stats dd { margin: .1rem 0 0; font-family: var(--font-head); font-weight: 800; font-size: 1rem; line-height: 1.2; }

.sb-fit { margin-top: .8rem; font-size: .85rem; line-height: 1.5; }
.sb-meter { height: 6px; border-radius: 3px; background: var(--off-white); overflow: hidden; margin: .4rem 0 .45rem; }
.sb-meter i { display: block; height: 100%; background: var(--ink); border-radius: 3px; transition: width .3s var(--ease); }
.sb-fit.is-great .sb-meter i { background: #1e8a4a; }
.sb-fit-line { display: flex; justify-content: space-between; gap: .6rem; font-weight: 600; }
.sb-fit-line span:last-child { color: var(--muted); font-weight: 500; }
.sb-fit-tip { color: var(--muted); }
.sb-fit-tip button {
  border: 0; background: none; padding: 0;
  color: var(--red-dark);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.sb-card-foot {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: .4rem 1rem;
  margin-top: 1rem;
  padding-top: .8rem;
  border-top: 1px solid var(--line);
}
.sb-danger { color: var(--red-dark) !important; }

/* Equipment library */
.sb-library { display: grid; grid-template-columns: repeat(4, 1fr); gap: .45rem; }
@media (max-width: 1023px) and (min-width: 560px) { .sb-library { grid-template-columns: repeat(8, 1fr); } }
.sb-lib-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: .55rem .25rem .5rem;
  font-size: .7rem;
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  text-align: center;
  transition: border-color .2s, transform .2s var(--ease);
}
.sb-lib-btn:hover { border-color: var(--ink); transform: translateY(-2px); }
.sb-lib-btn svg { width: 34px; height: 34px; }
.sb-check { display: flex; align-items: center; gap: .55rem; margin-top: .85rem; font-size: .85rem; color: var(--muted); cursor: pointer; }
.sb-check input { width: 1.05rem; height: 1.05rem; accent-color: var(--red); flex: none; }

/* Selected item */
.sb-selected { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255, 46, 68, .1); }
.sb-sel-meta { font-size: .88rem; color: var(--muted); margin: -.4rem 0 .8rem; }
.sb-sel-actions { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .9rem; }
.sb-opt { margin-bottom: .75rem; }
.sb-opt-label { display: block; font-size: .72rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: .35rem; }
.sb-opt .sb-seg { border-color: var(--line); }
.sb-opt .sb-seg button { color: var(--muted); }
.sb-opt .sb-seg button + button { border-left-color: var(--line); }
.sb-opt .sb-seg button[aria-pressed="true"] { background: var(--black); color: var(--white); }
.sb-swatches { display: flex; flex-wrap: wrap; gap: .4rem; }
.sb-swatches button {
  width: 30px; height: 30px;
  border-radius: 50%;
  border: 2px solid var(--white);
  box-shadow: 0 0 0 1px var(--line);
}
.sb-swatches button[aria-pressed="true"] { box-shadow: 0 0 0 2px var(--ink); }

.sb-chip {
  border: 1px solid var(--line);
  background: var(--white);
  border-radius: 6px;
  padding: .5rem .85rem;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: .76rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink);
  transition: border-color .2s, background .2s;
}
.sb-chip:hover { border-color: var(--ink); }

/* Content */
.sb-content-row { display: flex; align-items: center; gap: 1rem; flex-wrap: wrap; }
.sb-upload { position: relative; display: inline-flex; }
.sb-upload input { position: absolute; inset: 0; opacity: 0; cursor: pointer; width: 100%; }
.sb-upload span {
  display: inline-block;
  border: 1px dashed #b9b9b9;
  border-radius: 6px;
  padding: .6rem 1rem;
  font-weight: 600;
  font-size: .88rem;
}
.sb-upload:hover span, .sb-upload input:focus-visible + span { border-color: var(--ink); }
.sb-upload input:focus-visible + span { outline: 3px solid var(--red); outline-offset: 2px; }
.sb-card .sb-seg-wide { display: flex; margin-top: .9rem; border-color: var(--line); }
.sb-card .sb-seg-wide button { flex: 1; color: var(--muted); }
.sb-card .sb-seg-wide button + button { border-left-color: var(--line); }
.sb-card .sb-seg-wide button[aria-pressed="true"] { background: var(--black); color: var(--white); }

/* Summary */
.sb-summary { background: var(--black); border-color: var(--black); color: var(--off-white); }
.sb-summary h2 { color: var(--white); }
.sb-summary-list { list-style: none; margin: 0; padding: 0; font-size: .9rem; }
.sb-summary-list li { display: flex; justify-content: space-between; gap: 1rem; padding: .45rem 0; border-bottom: 1px solid var(--line-on-dark); }
.sb-summary-list li span:first-child { flex: none; max-width: 45%; }
.sb-summary-list li span:last-child { color: var(--muted-on-dark); text-align: right; }
.sb-summary-list .sb-warn { color: #ff8a97; border-bottom: 0; display: block; font-size: .84rem; }
.sb-ceiling { display: flex; align-items: center; justify-content: space-between; gap: 1rem; margin-top: .9rem; font-size: .88rem; }
.sb-ceiling label span { color: var(--muted-on-dark); }
.sb-ceiling-ctl { display: flex; align-items: center; gap: .4rem; color: var(--muted-on-dark); }
.sb-ceiling-ctl input {
  width: 5.5rem;
  font: inherit;
  padding: .4rem .6rem;
  border: 1px solid var(--line-on-dark);
  border-radius: 6px;
  background: #111;
  color: var(--off-white);
}
.sb-ceiling-ctl input:focus { outline: none; border-color: var(--red); }
.sb-actions { margin-top: 1.2rem; display: grid; gap: .8rem; }
.sb-actions .btn { width: 100%; }
.sb-actions-row { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; }
.sb-summary .sb-chip { background: transparent; color: var(--off-white); border-color: var(--line-on-dark); }
.sb-summary .sb-chip:hover { border-color: var(--off-white); }

/* ---------- Additions: sizes, tile mode, library groups, audience ---------- */
.sb-intro { margin: -.3rem 0 0; }
.sb-sizes { display: grid; grid-template-columns: repeat(auto-fill, minmax(98px, 1fr)); gap: .4rem; }
.sb-size-btn {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--white);
  padding: .45rem .5rem;
  text-align: left;
  color: var(--ink);
  line-height: 1.25;
  transition: border-color .2s, box-shadow .2s;
}
.sb-size-btn:hover { border-color: #b9b9b9; }
.sb-size-btn[aria-pressed="true"] { border-color: var(--red); box-shadow: 0 0 0 3px rgba(255, 46, 68, .14); }
.sb-size-btn b { display: block; font-family: var(--font-head); font-weight: 800; font-size: .86rem; }
.sb-size-btn span { display: block; font-size: .72rem; color: var(--muted); }
.sb-size-btn em { font-style: normal; color: #156434; font-weight: 700; }

.sb-tilemode { margin-top: 1rem; }
.sb-chip-block { width: 100%; padding: .7rem .85rem; }
.sb-chip[aria-pressed="true"] { background: var(--black); border-color: var(--black); color: var(--white); }
.sb-tm-on { display: none; }
[aria-pressed="true"] > .sb-tm-on { display: inline; }
[aria-pressed="true"] > .sb-tm-off { display: none; }
.sb-tile-tools { margin-top: .6rem; }
.sb-tile-tools .sb-note { margin: 0 0 .6rem; }
.sb-card > .sb-opt { margin-top: 1rem; margin-bottom: 0; }
.sb-card > .sb-opt .sb-note { margin-top: .4rem; }
.sb-card .sb-opt .sb-seg-wide { margin-top: 0; }

.sb-lib-group + .sb-lib-group { margin-top: .9rem; }
.sb-lib-group .sb-label { margin: 0 0 .45rem; }
.sb-library { display: grid; grid-template-columns: repeat(5, 1fr); gap: .4rem; }
@media (max-width: 1023px) and (min-width: 560px) { .sb-library { grid-template-columns: repeat(5, 1fr); } }
@media (max-width: 420px) { .sb-library { grid-template-columns: repeat(4, 1fr); } }

.sb-room { margin: .9rem 0 0; }
.sb-room .sb-opt-label span { text-transform: none; letter-spacing: 0; font-weight: 500; }
.sb-room-ctl { display: flex; align-items: center; gap: .45rem; color: var(--muted); font-size: .88rem; }
.sb-room-ctl input {
  width: 6rem;
  font: inherit;
  padding: .5rem .65rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--white);
  color: var(--ink);
}
.sb-room-ctl input:focus { outline: none; border-color: var(--red); box-shadow: 0 0 0 3px rgba(255, 46, 68, .15); }

.sb-aud { margin: 1rem 0 .8rem; }
.sb-aud-big { display: flex; align-items: baseline; gap: .6rem; flex-wrap: wrap; }
.sb-aud-big b { font-family: var(--font-head); font-weight: 900; font-size: 2.2rem; line-height: 1; }
.sb-aud-big span { color: var(--muted); font-size: .9rem; }
.sb-aud-bar { display: flex; height: 8px; border-radius: 4px; overflow: hidden; background: var(--off-white); margin: .7rem 0 .5rem; }
.sb-aud-bar i { display: block; height: 100%; }
.sb-aud-keys { display: flex; flex-wrap: wrap; gap: .3rem 1rem; font-size: .8rem; color: var(--muted); }
.sb-aud-keys .sb-key i { width: 9px; height: 9px; }
.sb-aud-msg { font-size: .86rem; line-height: 1.5; margin: .8rem 0 0; padding: .7rem .8rem; border-radius: 6px; background: var(--off-white); }
.sb-aud-msg.is-warn { background: #fdeaec; color: #8f1422; }
.sb-aud-msg.is-ok { background: #e7f6ec; color: #156434; }
.sb-aud-fix { display: flex; flex-wrap: wrap; gap: .4rem; margin-top: .55rem; }
.sb-aud-fix button {
  border: 1px solid currentColor;
  background: transparent;
  color: inherit;
  border-radius: 6px;
  padding: .35rem .6rem;
  font-size: .78rem;
  font-weight: 700;
}
.sb-aud-fix button:hover { background: rgba(255, 255, 255, .6); }
.sb-warn-text { color: var(--red-dark); font-weight: 600; }