/* Glass Studio Configurator */
.gs-app, .gs-quick, .gs-quote {
  --gs-ink: #0c1a2b; --gs-muted: #5b6b7c; --gs-line: #e2e8ef; --gs-bg: #f5f8fa; --gs-card: #fff;
  --gs-accent: #0f766e; --gs-accent-2: #14b8a6; --gs-accent-soft: #e6f6f4; --gs-r: 16px;
  color: var(--gs-ink); font-size: 16px; line-height: 1.5;
}
.gs-app *, .gs-quick *, .gs-quote * { box-sizing: border-box; }
.gs-loading { padding: 60px; text-align: center; color: var(--gs-muted); }
.gs-form.is-busy { opacity: .6; pointer-events: none; }

.gs-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 32px; align-items: start; }
.gs-main { min-width: 0; }

/* progress */
.gs-progress { list-style: none; margin: 0 0 24px; padding: 6px; display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; background: var(--gs-bg); border-radius: 999px; }
.gs-progress li { margin: 0; }
.gs-progress button { all: unset; box-sizing: border-box; width: 100%; display: flex; align-items: center; justify-content: center; gap: 8px; padding: 10px 8px; border-radius: 999px; cursor: pointer; font-size: 14px; font-weight: 600; color: var(--gs-muted); transition: .2s; }
.gs-progress button:disabled { cursor: not-allowed; opacity: .55; }
.gs-progress button:focus-visible { outline: 2px solid var(--gs-accent); }
.gs-n { width: 24px; height: 24px; flex: none; display: grid; place-items: center; border-radius: 50%; background: #fff; border: 1px solid var(--gs-line); font-size: 12px; }
.gs-progress .is-cur button { background: #fff; color: var(--gs-ink); box-shadow: 0 2px 10px rgba(12,26,43,.08); }
.gs-progress .is-cur .gs-n { background: var(--gs-ink); color: #fff; border-color: var(--gs-ink); }
.gs-progress .is-done .gs-n { background: var(--gs-accent); color: #fff; border-color: var(--gs-accent); }

.gs-q { font-size: 18px; margin: 26px 0 12px; font-weight: 700; letter-spacing: -.01em; }
.gs-q:first-child { margin-top: 4px; }
.gs-q small { font-weight: 500; color: var(--gs-muted); font-size: 14px; }
.gs-help { color: var(--gs-muted); font-size: 14px; margin: 10px 0 0; }
.gs-help a { color: var(--gs-accent); font-weight: 600; }

/* tiles */
.gs-tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; }
.gs-tiles--shape { grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); }
.gs-tiles--thickness, .gs-tiles--corner { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.gs-tile { position: relative; display: flex; flex-direction: column; align-items: flex-start; gap: 4px; padding: 14px; border: 1.5px solid var(--gs-line); border-radius: 14px; background: #fff; cursor: pointer; transition: border-color .15s, box-shadow .15s, transform .15s; min-height: 64px; }
.gs-tile:hover { border-color: #b9c6d3; transform: translateY(-1px); }
.gs-tile input { position: absolute; opacity: 0; pointer-events: none; }
.gs-tile:focus-within { outline: 2px solid var(--gs-accent); outline-offset: 2px; }
.gs-tile.is-on { border-color: var(--gs-accent); box-shadow: 0 0 0 3px var(--gs-accent-soft); }
.gs-tile.is-on::after { content: '✓'; position: absolute; top: 8px; right: 10px; width: 20px; height: 20px; border-radius: 50%; background: var(--gs-accent); color: #fff; font-size: 12px; display: grid; place-items: center; }
.gs-tile__t { font-weight: 650; font-size: 15px; line-height: 1.25; }
.gs-tile__d { font-size: 13px; color: var(--gs-muted); line-height: 1.35; }
.gs-badge { margin-top: 4px; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .04em; color: var(--gs-accent); background: var(--gs-accent-soft); padding: 2px 8px; border-radius: 999px; }
.gs-tiles--shape .gs-tile { align-items: center; text-align: center; padding: 12px 8px; }
.gs-ico svg { width: 44px; height: 44px; display: block; }
.gs-ico path { fill: #eef3f7; stroke: #6b7f93; stroke-width: 1.6; }
.gs-tile.is-on .gs-ico path { fill: var(--gs-accent-soft); stroke: var(--gs-accent); }
.gs-ico--edge svg { width: 34px; height: 40px; }
.gs-sw { width: 40px; height: 40px; border-radius: 10px; border: 1px solid rgba(0,0,0,.08); margin-bottom: 4px; background: linear-gradient(135deg, #e7f4f1, #b4dcd3); }
.gs-sw--ultra { background: linear-gradient(135deg, #fbfdfe, #dbe8ef); }
.gs-sw--bronze { background: linear-gradient(135deg, #e6c9a2, #9b6c3d); }
.gs-sw--grey { background: linear-gradient(135deg, #c8cdd2, #636b73); }
.gs-sw--frosted { background: repeating-linear-gradient(45deg, #f3f5f7 0 3px, #e5eaee 3px 6px); }
.gs-sw--antique { background: radial-gradient(circle at 30% 30%, #8a7a60 0 12%, transparent 13%), radial-gradient(circle at 70% 70%, #8a7a60 0 16%, transparent 17%), linear-gradient(135deg, #ece3d3, #a99a80); }
.gs-sw.is-mirror { background-blend-mode: normal; box-shadow: inset 0 0 0 3px rgba(255,255,255,.6); }
.gs-sw--silver { background: linear-gradient(135deg, #f7f9fb, #b9c5d0 55%, #eef2f5); }
.gs-thk { width: 46px; height: var(--t); background: linear-gradient(180deg, #cfe9e3, #8cc5b8); border-radius: 2px; margin: 8px 0 6px; box-shadow: 0 1px 0 #6aa699; }

/* dims */
.gs-dims { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.gs-lbl { display: block; font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.gs-lbl small { color: var(--gs-muted); font-weight: 500; }
.gs-dimin__row { display: flex; border: 1.5px solid var(--gs-line); border-radius: 12px; overflow: hidden; background: #fff; transition: .15s; }
.gs-dimin__row:focus-within { border-color: var(--gs-accent); box-shadow: 0 0 0 3px var(--gs-accent-soft); }
.gs-dimin input, .gs-dimin select { border: 0; outline: 0; font: inherit; font-size: 20px; font-weight: 650; padding: 12px 14px; background: transparent; color: var(--gs-ink); min-width: 0; }
.gs-dimin input { flex: 1; }
.gs-dimin select { font-size: 15px; font-weight: 600; color: var(--gs-muted); border-left: 1px solid var(--gs-line); background: var(--gs-bg); padding: 0 10px; }

/* extras */
.gs-extras { display: grid; gap: 10px; }
.gs-extra { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 14px 16px; border: 1.5px solid var(--gs-line); border-radius: 14px; background: #fff; }
.gs-extra strong { display: block; font-size: 15px; }
.gs-extra span { font-size: 13px; color: var(--gs-muted); }
.gs-extra--check { cursor: pointer; }
.gs-extra--check input { position: absolute; opacity: 0; }
.gs-extra--check:focus-within { outline: 2px solid var(--gs-accent); }
.gs-extra.is-on { border-color: var(--gs-accent); background: #fbfefd; }
.gs-check { flex: none; width: 24px; height: 24px; border-radius: 7px; border: 1.5px solid #b9c6d3; display: grid; place-items: center; }
.gs-extra.is-on .gs-check { background: var(--gs-accent); border-color: var(--gs-accent); }
.gs-extra.is-on .gs-check::after { content: '✓'; color: #fff; font-size: 14px; font-style: normal; }
.gs-step { display: inline-flex; align-items: center; border: 1.5px solid var(--gs-line); border-radius: 999px; overflow: hidden; background: #fff; flex: none; }
.gs-step button { all: unset; width: 40px; height: 40px; text-align: center; cursor: pointer; font-size: 20px; color: var(--gs-ink); }
.gs-step button:hover { background: var(--gs-bg); }
.gs-step output { min-width: 34px; text-align: center; font-weight: 700; }

/* review */
.gs-review { margin-top: 26px; }
.gs-sum { margin: 0; border: 1px solid var(--gs-line); border-radius: 14px; overflow: hidden; }
.gs-sum div { display: grid; grid-template-columns: 110px 1fr; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--gs-line); }
.gs-sum div:last-child { border: 0; }
.gs-sum dt { color: var(--gs-muted); font-size: 14px; }
.gs-sum dd { margin: 0; font-weight: 600; font-size: 15px; display: flex; justify-content: space-between; gap: 10px; }
.gs-edit { all: unset; cursor: pointer; color: var(--gs-accent); font-size: 13px; font-weight: 600; }

/* nav */
.gs-nav { display: flex; justify-content: space-between; gap: 12px; margin-top: 28px; padding-top: 20px; border-top: 1px solid var(--gs-line); }

/* buttons */
.gs-btn { appearance: none; display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1.5px solid transparent; border-radius: 999px; padding: 12px 22px; font: inherit; font-weight: 650; font-size: 15px; cursor: pointer; text-decoration: none; transition: .15s; line-height: 1.2; }
.gs-btn--primary { background: var(--gs-ink); color: #fff !important; }
.gs-btn--primary:hover { background: var(--gs-accent); }
.gs-btn--primary:disabled { background: #a8b3bf; cursor: not-allowed; }
.gs-btn--ghost { background: #fff; color: var(--gs-ink); border-color: var(--gs-line); }
.gs-btn--ghost:hover { border-color: var(--gs-ink); }
.gs-btn--lg { padding: 16px 24px; font-size: 16px; }
.gs-w100 { width: 100%; }

/* side card */
.gs-side { position: sticky; top: 96px; }
.gs-card { background: #fff; border: 1px solid var(--gs-line); border-radius: 22px; padding: 18px; box-shadow: 0 20px 50px -24px rgba(12,26,43,.25); }
.gs-prev { background: radial-gradient(120% 90% at 50% 0%, #fff 0%, #eef3f7 100%); border-radius: 16px; color: var(--gs-ink); }
.gs-prev svg { width: 100%; height: auto; max-height: 290px; display: block; margin: 0 auto; }
.gs-prev svg.is-ghost path[filter] { opacity: .45; }
.gs-dim line { stroke: #8a9aab; stroke-width: 1; }
.gs-dim text { font-size: 13px; font-weight: 700; fill: var(--gs-ink); font-family: inherit; }
.gs-hint { font-size: 11px; fill: #8a9aab; font-family: inherit; }
.gs-sheen { mix-blend-mode: screen; }
.gs-price { padding: 16px 4px 2px; }
.gs-price__row { display: flex; justify-content: space-between; align-items: flex-end; gap: 10px; }
.gs-price__l { display: block; font-size: 13px; color: var(--gs-muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.gs-price__v { display: block; font-size: 38px; line-height: 1.05; letter-spacing: -.02em; font-weight: 750; }
.gs-price__u { font-size: 13px; color: var(--gs-muted); }
.gs-chip { font-size: 12px; font-weight: 700; background: var(--gs-bg); padding: 4px 10px; border-radius: 999px; color: var(--gs-muted); }
.gs-mini { font-size: 12px; color: var(--gs-muted); margin: 6px 0 0; }
.gs-ship { margin: 12px 0 0; font-size: 13px; font-weight: 600; color: var(--gs-muted); }
.gs-ship b { display: block; height: 6px; border-radius: 3px; background: var(--gs-bg); margin-top: 6px; overflow: hidden; }
.gs-ship i { display: block; height: 100%; border-radius: 3px; background: linear-gradient(90deg, var(--gs-accent), var(--gs-accent-2)); }
.gs-ship.is-free { color: var(--gs-accent); }
.gs-lead { font-size: 13px; color: var(--gs-muted); margin: 10px 0 14px; }
.gs-cta { display: grid; gap: 10px; }
.gs-share { all: unset; display: block; width: 100%; text-align: center; margin-top: 12px; font-size: 13px; font-weight: 600; color: var(--gs-muted); cursor: pointer; }
.gs-share:hover { color: var(--gs-accent); }
.gs-price__empty { padding: 6px 2px 8px; }
.gs-price__empty strong { display: block; font-size: 16px; }
.gs-price__empty span { font-size: 13px; color: var(--gs-muted); }

/* mobile bar */
.gs-bar { display: none; }
@media (max-width: 960px) {
  .gs-wrap { grid-template-columns: 1fr; gap: 18px; }
  .gs-side { position: static; order: -1; }
  .gs-card { padding: 12px; display: grid; grid-template-columns: 42% 1fr; gap: 12px; align-items: center; }
  .gs-price { padding: 0; }
  .gs-price__v { font-size: 28px; }
  .gs-price > .gs-btn--lg, .gs-lead { display: none; }
  .gs-price .gs-cta { grid-template-columns: 1fr; margin-top: 10px; }
  .gs-price .gs-cta .gs-btn { padding: 10px 14px; font-size: 14px; }
  .gs-progress { border-radius: 16px; }
  .gs-l { display: none; }
  .gs-progress .is-cur .gs-l { display: inline; }
  .gs-progress { grid-template-columns: auto auto auto auto; justify-content: space-between; }
  .gs-progress .is-cur { flex: 1; }
  .gs-nav { display: none; }
  .gs-bar { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 999; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px calc(12px + env(safe-area-inset-bottom)); background: rgba(255,255,255,.96); backdrop-filter: blur(10px); border-top: 1px solid var(--gs-line); box-shadow: 0 -10px 30px -12px rgba(12,26,43,.2); }
  .gs-bar__p small { display: block; font-size: 12px; color: var(--gs-muted); line-height: 1.2; max-width: 52vw; }
  .gs-bar__p strong { font-size: 22px; }
  .gs-bar__btn { padding: 14px 26px; }
  .gs-app { padding-bottom: 90px; }
}
@media (max-width: 960px) { .gs-prev svg { max-height: 220px; } }
@media (max-width: 560px) {
  .gs-card { grid-template-columns: 44% 1fr; gap: 10px; padding: 10px; border-radius: 18px; }
  .gs-price__v { font-size: 24px; }
  .gs-price__row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .gs-ship, .gs-mini { font-size: 12px; }
  .gs-price .gs-cta { grid-column: 1 / -1; }
  .gs-share { display: none; }
  .gs-tiles { grid-template-columns: 1fr 1fr; }
  .gs-tiles--shape { grid-template-columns: repeat(3, 1fr); }
  .gs-sum div { grid-template-columns: 80px 1fr; }
}

/* ------------- quick start (homepage) */
.gs-quick { background: rgba(255,255,255,.92); backdrop-filter: blur(16px); border: 1px solid rgba(255,255,255,.7); border-radius: 26px; padding: 16px; box-shadow: 0 40px 80px -30px rgba(8,30,50,.45); }
.gsq-tabs { display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px; background: var(--gs-bg); padding: 4px; border-radius: 999px; }
.gsq-tabs button { all: unset; text-align: center; padding: 9px 6px; border-radius: 999px; font-size: 14px; font-weight: 650; color: var(--gs-muted); cursor: pointer; }
.gsq-tabs button[aria-selected=true] { background: #fff; color: var(--gs-ink); box-shadow: 0 2px 8px rgba(12,26,43,.1); }
.gsq-tabs button:focus-visible { outline: 2px solid var(--gs-accent); }
.gsq-body { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 14px; align-items: center; }
.gsq-prev { background: radial-gradient(120% 90% at 50% 0%, #fff, #eaf0f5); border-radius: 18px; }
.gsq-prev svg { display: block; width: 100%; height: auto; }
.gsq-shapes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 6px; }
.gsq-shapes button { all: unset; cursor: pointer; text-align: center; padding: 6px 2px; border-radius: 12px; border: 1.5px solid var(--gs-line); font-size: 11px; font-weight: 600; color: var(--gs-muted); }
.gsq-shapes button.is-on { border-color: var(--gs-accent); color: var(--gs-accent); background: var(--gs-accent-soft); }
.gsq-shapes svg { width: 30px; height: 30px; display: block; margin: 0 auto 2px; }
.gsq-shapes path { fill: #eef3f7; stroke: #6b7f93; stroke-width: 1.8; }
.gsq-shapes .is-on path { fill: #fff; stroke: var(--gs-accent); }
.gsq-dims { display: flex; align-items: flex-end; gap: 8px; margin: 12px 0; }
.gsq-dims label { flex: 1; font-size: 12px; font-weight: 650; color: var(--gs-muted); position: relative; }
.gsq-dims input { display: block; width: 100%; margin-top: 4px; border: 1.5px solid var(--gs-line); border-radius: 12px; padding: 10px 30px 10px 12px; font: inherit; font-size: 18px; font-weight: 700; color: var(--gs-ink); }
.gsq-dims input:focus { outline: 0; border-color: var(--gs-accent); box-shadow: 0 0 0 3px var(--gs-accent-soft); }
.gsq-dims em { position: absolute; right: 10px; bottom: 12px; font-style: normal; font-size: 13px; }
.gsq-x { padding-bottom: 12px; color: var(--gs-muted); font-weight: 700; }
.gsq-price { margin-bottom: 12px; min-height: 62px; }
.gsq-price small { display: block; font-size: 12px; color: var(--gs-muted); font-weight: 650; text-transform: uppercase; letter-spacing: .05em; }
.gsq-price strong { display: block; font-size: 32px; letter-spacing: -.02em; line-height: 1.1; }
.gsq-price span { font-size: 12px; color: var(--gs-muted); }
@media (max-width: 560px) { .gsq-body { grid-template-columns: 1fr; } .gsq-prev { max-width: 240px; margin: 0 auto; width: 100%; } .gsq-tabs button { font-size: 12px; } }

/* ------------- quote form */
.gs-quote__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 18px; }
.gs-quote label { font-weight: 600; font-size: 14px; display: block; }
.gs-quote input, .gs-quote select, .gs-quote textarea { display: block; width: 100%; margin-top: 6px; border: 1.5px solid var(--gs-line); border-radius: 12px; padding: 12px 14px; font: inherit; background: #fff; color: var(--gs-ink); }
.gs-quote input:focus, .gs-quote select:focus, .gs-quote textarea:focus { outline: 0; border-color: var(--gs-accent); box-shadow: 0 0 0 3px var(--gs-accent-soft); }
.gs-full { grid-column: 1 / -1; }
.gs-hp { position: absolute; left: -9999px; }
.gs-notice { padding: 16px 18px; border-radius: 14px; margin-bottom: 20px; }
.gs-notice--ok { background: #e6f6f4; color: #0b4d47; }
@media (max-width: 640px) { .gs-quote__grid { grid-template-columns: 1fr; } }

.gs-delta { margin-top: auto; padding-top: 6px; font-size: 13px; font-weight: 700; color: var(--gs-ink); }
.gs-delta.is-sel { color: var(--gs-accent); }
.gs-delta.is-less { color: #15803d; }
.gs-tiles--shape .gs-delta { display: none; }