/* ==========================================================================
   GARI 44 — Configuratore. Usa i token di styles.css (rosso GARI, Barlow).
   Layout: palcoscenico 3D a sinistra, pannello opzioni a destra (su telefono
   il palcoscenico sta in alto e il pannello scorre sotto).
   ========================================================================== */
.page-cfg { --panel-w: 25rem; --stage-bg-1: #2a2f35; --stage-bg-2: #0d0f12; --swatch: 2.6rem; background: var(--black); }
.cfg-top {
  position: sticky; top: 0; z-index: 20; height: var(--header-h);
  display: flex; align-items: center; gap: 1rem; padding-inline: var(--gutter);
  background: rgba(10, 11, 13, .92); border-bottom: 1px solid var(--line-dark);
}
.cfg-top .brand { flex: 0 0 auto; }
.cfg-top__title { font-family: var(--font-display); font-weight: 600; font-size: clamp(.95rem, 1.4vw, 1.15rem); letter-spacing: .16em; text-transform: uppercase; color: var(--steel); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.cfg-top .lang { margin-left: auto; margin-right: 0; }
.cfg-top__back { font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); white-space: nowrap; }
.cfg-top__back:hover { color: var(--text-on-dark); }

.cfg { display: grid; grid-template-columns: 1fr; }
.cfg-stage {
  position: relative; height: 58svh; min-height: 20rem; overflow: hidden;
  background: radial-gradient(120% 90% at 50% 35%, var(--stage-bg-1) 0%, var(--stage-bg-2) 70%);
}
.cfg-stage canvas { position: absolute; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; outline: none; }
.cfg-stage canvas:active { cursor: grabbing; }
.cfg-stage__views { position: absolute; left: 50%; bottom: 1rem; transform: translateX(-50%); z-index: 2; display: flex; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.cfg-stage__views button { padding: .5rem .85rem; background: rgba(10, 11, 13, .78); font-family: var(--font-display); font-weight: 600; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); transition: color .2s var(--ease), background-color .2s var(--ease); }
.cfg-stage__views button:hover { color: var(--text-on-dark); }
.cfg-stage__views button[aria-pressed="true"] { color: #fff; background: var(--red); }
.cfg-stage__hint { position: absolute; left: var(--gutter); top: 1rem; z-index: 2; font-size: .8rem; color: var(--steel); }
.cfg-loading { position: absolute; inset: 0; z-index: 3; display: grid; place-content: center; gap: .9rem; text-align: center; color: var(--steel); font-family: var(--font-display); letter-spacing: .16em; text-transform: uppercase; font-size: .85rem; }
.cfg-loading__track { width: 12rem; height: 2px; margin-inline: auto; background: var(--line-dark); overflow: hidden; }
.cfg-loading__bar { height: 100%; background: var(--red); transform-origin: left; transform: scaleX(0); transition: transform .2s linear; }
.cfg-loading.is-error { color: var(--red-text); text-transform: none; letter-spacing: 0; font-family: var(--font-body); padding: 1rem; }
.cfg-stage canvas { opacity: 0; transition: opacity .8s var(--ease-out); }
.cfg-stage.is-ready canvas { opacity: 1; }

.cfg-panel { display: flex; flex-direction: column; gap: 1.75rem; padding: 1.75rem var(--gutter) 2.5rem; background: var(--graphite); border-left: 1px solid var(--line-dark); }
.cfg-panel__head { display: grid; gap: .35rem; }
.cfg-panel__kicker { display: flex; align-items: center; gap: .8rem; font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .22em; text-transform: uppercase; color: var(--red-text); }
.cfg-panel__kicker::before { content: ""; width: 2rem; height: 2px; background: var(--red); }
.cfg-panel h1 { font-family: var(--font-display); font-weight: 700; font-size: clamp(1.9rem, 3vw, 2.5rem); line-height: 1; text-transform: uppercase; text-wrap: balance; }

#cfg-options { display: grid; gap: 1.5rem; }
.cfg-group { margin: 0; padding: 0; border: 0; min-width: 0; display: grid; gap: .75rem; }
.cfg-group__label { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: .25rem 1rem; width: 100%; padding: 0 0 .5rem; border-bottom: 1px solid var(--line-dark); }
.cfg-group__label span { font-family: var(--font-display); font-weight: 600; font-size: .95rem; letter-spacing: .16em; text-transform: uppercase; }
.cfg-group__value { font-size: .85rem; color: var(--steel); }

.cfg-swatches { display: flex; flex-wrap: wrap; gap: .6rem; }
.cfg-swatch { position: relative; cursor: pointer; }
.cfg-swatch input, .cfg-version input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.cfg-swatch__chip { display: block; width: var(--swatch); height: var(--swatch); border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18), 0 0 0 2px var(--graphite); transition: transform .2s var(--ease-out), box-shadow .2s var(--ease); }
.cfg-swatch:hover .cfg-swatch__chip { transform: scale(1.06); }
.cfg-swatch input:checked + .cfg-swatch__chip { box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .18), 0 0 0 2px var(--graphite), 0 0 0 4px var(--text-on-dark); }
.cfg-swatch input:focus-visible + .cfg-swatch__chip { outline: 2px solid var(--red-text); outline-offset: 5px; }

.cfg-versions { display: grid; gap: .5rem; }
.cfg-version { position: relative; display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: .8rem 1rem; border: 1px solid var(--line-dark); cursor: pointer; transition: border-color .2s var(--ease); }
.cfg-version__name { font-family: var(--font-display); font-weight: 600; font-size: 1.1rem; letter-spacing: .06em; text-transform: uppercase; }
.cfg-version__note { font-size: .82rem; color: var(--steel); text-align: right; }
.cfg-version:has(input:checked) { border-color: var(--red); box-shadow: inset 3px 0 0 var(--red); }
.cfg-version:has(input:disabled) { cursor: not-allowed; opacity: .5; }
.cfg-version:has(input:focus-visible) { outline: 2px solid var(--red-text); outline-offset: 2px; }

.cfg-summary { display: grid; gap: 1rem; padding-top: 1.5rem; border-top: 1px solid var(--line-dark); }
.cfg-summary h2 { font-family: var(--font-display); font-weight: 600; font-size: 1.3rem; letter-spacing: .08em; text-transform: uppercase; }
.cfg-summary dl { display: grid; gap: 0; }
.cfg-summary dl div { display: grid; grid-template-columns: 9.5rem 1fr; gap: 1rem; padding: .5rem 0; border-bottom: 1px solid var(--line-dark); font-size: .92rem; }
.cfg-summary dt { color: var(--steel); }
.cfg-summary dd { display: grid; min-width: 0; }
.cfg-summary dd small { font-size: .78rem; color: var(--steel); }
.cfg-actions { display: flex; flex-wrap: wrap; gap: .75rem; align-items: center; }
.cfg-actions .btn { flex: 1 1 auto; justify-content: center; }
.cfg-reset { font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .16em; text-transform: uppercase; color: var(--steel); padding: .6rem 0; }
.cfg-reset:hover { color: var(--text-on-dark); }
.cfg-disclaimer { font-size: .8rem; color: var(--steel); }

@media (min-width: 64em) {
  .cfg { grid-template-columns: minmax(0, 1fr) var(--panel-w); height: calc(100svh - var(--header-h)); }
  .cfg-stage { height: auto; }
  .cfg-panel { overflow-y: auto; padding: 2rem 2rem 2.5rem; }
  .cfg-stage__hint { left: 1.5rem; }
}
@media (max-width: 30em) {
  .cfg-top__title { display: none; }
  .cfg-stage__views button { padding: .5rem .6rem; font-size: .72rem; }
  .cfg-summary dl div { grid-template-columns: 7.5rem 1fr; }
}

/* Versione autonoma (artifact): selettore lingua EN | IT e messaggio di copia */
.page-cfg { min-height: 100%; color: var(--text-on-dark); font-family: var(--font-body); }
.cfg-lang { margin-left: auto; display: flex; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.cfg-lang button { padding: .4rem .7rem; background: var(--black); font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .16em; color: var(--steel); }
.cfg-lang button[aria-pressed="true"] { color: #fff; background: var(--graphite-2); box-shadow: inset 0 -2px 0 var(--red); }
.cfg-lang button:hover { color: var(--text-on-dark); }
.cfg-status { font-size: .88rem; color: var(--text-on-dark); min-height: 1.4em; }
.cfg-actions .btn { cursor: pointer; }

/* Scelta del modello (GARI 44 / GARI 700) */
.cfg-models { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--line-dark); border: 1px solid var(--line-dark); }
.cfg-model { position: relative; display: grid; place-items: center; padding: .75rem .5rem; background: var(--graphite); cursor: pointer; transition: background-color .2s var(--ease); }
.cfg-model input { position: absolute; opacity: 0; width: 1px; height: 1px; }
.cfg-model span { font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; letter-spacing: .1em; text-transform: uppercase; color: var(--steel); }
.cfg-model:hover span { color: var(--text-on-dark); }
.cfg-model:has(input:checked) { background: var(--graphite-2); box-shadow: inset 0 -3px 0 var(--red); }
.cfg-model:has(input:checked) span { color: #fff; }
.cfg-model:has(input:focus-visible) { outline: 2px solid var(--red-text); outline-offset: 2px; }

/* Abbinamenti consigliati */
.cfg-presets { display: grid; grid-template-columns: repeat(auto-fill, minmax(6.6rem, 1fr)); gap: .5rem; }
.cfg-preset { display: grid; gap: .45rem; padding: .55rem; text-align: left; border: 1px solid var(--line-dark); transition: border-color .2s var(--ease); }
.cfg-preset:hover { border-color: var(--steel); }
.cfg-preset[aria-pressed="true"] { border-color: var(--red); box-shadow: inset 0 -2px 0 var(--red); }
.cfg-preset__strip { display: grid; grid-template-columns: repeat(4, 1fr); height: 1.4rem; overflow: hidden; border-radius: 1px; }
.cfg-preset__strip i { display: block; }
.cfg-preset__name { font-family: var(--font-display); font-weight: 600; font-size: .85rem; letter-spacing: .1em; text-transform: uppercase; color: var(--text-on-dark); }
.cfg-guide { font-size: .84rem; line-height: 1.5; color: var(--steel); margin-top: -.5rem; }

/* Colori bloccati: visibili ma barrati e non selezionabili */
.cfg-swatch.is-blocked { cursor: not-allowed; }
.cfg-swatch.is-blocked .cfg-swatch__chip { opacity: .28; filter: saturate(.4); transform: none; }
.cfg-swatch.is-blocked::after {
  content: ""; position: absolute; left: 50%; top: 50%; width: 120%; height: 2px; background: var(--text-on-dark);
  transform: translate(-50%, -50%) rotate(-45deg); opacity: .75; pointer-events: none;
}
.cfg-swatch.is-blocked:hover .cfg-swatch__chip { transform: none; }

/* Nel sito: un pulsante principale e due azioni secondarie */
.cfg-actions .cfg-reset + .cfg-reset { margin-left: .5rem; }
.cfg-actions .btn { flex-basis: 100%; }