/* C41 Ambientes — editor and 3D stage. Tokens (colour, type, space, motion) come from tokens.css, the same
   night violet as the C41 site; the stage styles come from the c41-site prototype (/ambientes/). */

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; background: var(--night); }
body { margin: 0; min-height: 100svh; background: var(--night); color: var(--on-night); font: 400 var(--fs-body)/var(--lh-body) var(--font-body); -webkit-font-smoothing: antialiased; }
button, input, select { font: inherit; color: inherit; }
p { margin: 0 0 var(--space-3); }
:focus-visible { outline: 2px solid var(--lilac); outline-offset: 2px; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }
.icone { width: 1.15em; height: 1.15em; flex: none; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.sr-only { position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.pular { position: absolute; left: var(--space-3); top: -80px; z-index: 50; padding: var(--space-2) var(--space-3); background: var(--lilac); color: var(--night); font-weight: 600; }
.pular:focus { top: var(--space-3); }

/* ---------- Header ---------- */
.topo {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: var(--space-4);
  min-height: 60px; padding: var(--space-2) var(--gutter); border-bottom: 1px solid var(--line-night);
  background: color-mix(in srgb, var(--night) 84%, transparent); -webkit-backdrop-filter: blur(14px); backdrop-filter: blur(14px);
}
.topo__marca { display: inline-flex; align-items: center; gap: var(--space-2); color: inherit; text-decoration: none; }
.topo__logo { width: 60px; height: 22px; fill: currentColor; }
.topo__produto { font: 400 1.35rem/1 var(--font-display); text-transform: uppercase; letter-spacing: 0.02em; color: var(--lilac); }
.topo__nome { flex: 1; min-width: 0; }
.topo__nome input { width: 100%; max-width: 420px; min-height: 36px; padding: 0 var(--space-2); border: 1px solid transparent; background: transparent; font-weight: 600; }
.topo__nome input:hover, .topo__nome input:focus { border-color: var(--line-night-strong); background: rgba(13, 8, 22, 0.6); }
.topo__acoes { display: flex; flex-wrap: wrap; gap: var(--space-2); }

/* ---------- Buttons ---------- */
.botao {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-height: var(--tap); padding: 0 var(--space-4);
  border: 0; background: linear-gradient(135deg, var(--violet-deep), var(--violet)); color: #fff; font-weight: 600; cursor: pointer;
  box-shadow: 0 8px 24px rgba(109, 63, 224, 0.35); transition: transform var(--dur) var(--ease-back), opacity var(--dur) var(--ease-out);
}
.botao:hover { transform: translateY(-2px); }
.botao:active { transform: scale(0.98); transition-duration: var(--dur-fast); }
.botao-sec {
  display: inline-flex; align-items: center; gap: var(--space-2); min-height: var(--tap); padding: 0 var(--space-3);
  border: 1px solid var(--line-night-strong); background: rgba(13, 8, 22, 0.5); color: var(--on-night); font-weight: 500; cursor: pointer;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out), transform var(--dur) var(--ease-back);
}
.botao-sec:hover { border-color: var(--lilac); }
.botao-sec[aria-pressed="true"] { background: var(--violet-deep); border-color: var(--violet-deep); color: #fff; }
.botao-sec--mini { min-height: 40px; padding: 0 var(--space-2); font-size: var(--fs-sm); }
label.botao-sec:focus-within { outline: 2px solid var(--lilac); outline-offset: 2px; }
.botao:disabled, .botao-sec:disabled { opacity: 0.4; cursor: not-allowed; transform: none; box-shadow: none; }

/* ---------- Layout ---------- */
.app { display: grid; grid-template-columns: 360px minmax(0, 1fr); height: calc(100svh - 61px); }
.painel { overflow-y: auto; padding: var(--space-4) var(--space-4) var(--space-8); border-right: 1px solid var(--line-night); background: var(--night-soft); scrollbar-width: thin; scrollbar-color: var(--line-night-strong) transparent; }
.area { position: relative; min-width: 0; min-height: 0; }
.aviso-celular { display: none; padding: var(--space-2) var(--space-3); border: 1px dashed var(--line-night-strong); color: var(--on-night-muted); font-size: var(--fs-sm); }
@media (max-width: 899px) {
  .app { grid-template-columns: minmax(0, 1fr); height: auto; }
  .painel { border-right: 0; border-bottom: 1px solid var(--line-night); }
  .area { height: 72svh; min-height: 420px; }
  .topo { flex-wrap: wrap; }
  .topo__nome { order: 3; flex-basis: 100%; }
}
@media (pointer: coarse) and (max-width: 899px) { .aviso-celular { display: block; } }

/* ---------- Levels and steps ---------- */
.pavimentos { display: flex; align-items: flex-end; gap: var(--space-2); margin-bottom: var(--space-4); }
.pavimentos .campo { flex: 1; margin: 0; }
.etapas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-1); margin: 0 0 var(--space-6); padding: 0; list-style: none; }
.etapas__botao {
  width: 100%; display: flex; align-items: center; gap: var(--space-2); min-height: 40px; padding: 0 var(--space-2);
  border: 1px solid var(--line-night); background: transparent; font-size: var(--fs-sm); text-align: left; cursor: pointer;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.etapas__botao span { display: inline-grid; flex: none; place-items: center; width: 1.6em; height: 1.6em; border-radius: 50%; background: var(--night-raise); font-size: var(--fs-xs); font-weight: 600; }
.etapas__botao:hover:not(:disabled) { border-color: var(--lilac); }
.etapas__botao[aria-current="step"] { border-color: var(--violet); background: rgba(109, 63, 224, 0.22); }
.etapas__botao[aria-current="step"] span { background: var(--violet); color: #fff; }
.etapas__botao.is-feita span { background: var(--lilac); color: var(--night); }
.etapas__botao:disabled { opacity: 0.4; cursor: not-allowed; }

.etapa[hidden] { display: none; }
.etapa__titulo { margin: 0 0 var(--space-3); font: 400 var(--fs-h4)/1.1 var(--font-display); text-transform: uppercase; letter-spacing: 0.02em; }
.etapa p { color: var(--on-night-muted); font-size: var(--fs-sm); }
.etapa .etapa__status { color: var(--lilac); font-weight: 500; }
.etapa .etapa__status:empty { display: none; }
.etapa .etapa__nota { font-size: var(--fs-xs); }
.etapa__acoes { display: flex; flex-wrap: wrap; gap: var(--space-2); margin: var(--space-3) 0; }

/* ---------- Fields ---------- */
.campo { display: grid; gap: var(--space-1); margin: 0 0 var(--space-4); font-size: var(--fs-sm); }
.campo[hidden] { display: none; }
.campo > span { display: flex; justify-content: space-between; align-items: baseline; gap: var(--space-2); color: var(--on-night-muted); font-weight: 500; }
.campo--linha > span { display: block; }
.campo output { color: var(--on-night); font-weight: 600; font-variant-numeric: tabular-nums; }
.campo input[type="number"], .campo input[type="text"], .campo select { width: 100%; min-height: 40px; padding: 0 var(--space-2); border: 1px solid var(--line-night-strong); background: var(--night); }
.campo input[type="range"] { width: 100%; accent-color: var(--violet); }

.soltar {
  display: grid; gap: var(--space-1); place-items: center; margin-bottom: var(--space-4); padding: var(--space-8) var(--space-4);
  border: 1px dashed var(--line-night-strong); background: rgba(109, 63, 224, 0.06); text-align: center; cursor: pointer;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}
.soltar span { color: var(--on-night-muted); font-size: var(--fs-sm); }
.soltar:hover, .soltar.is-sobre { border-color: var(--lilac); background: rgba(109, 63, 224, 0.16); }
.soltar:focus-within { outline: 2px solid var(--lilac); outline-offset: 2px; }

/* ---------- Room lists ---------- */
.comodos { margin: var(--space-2) 0; padding: 0; list-style: none; display: grid; gap: var(--space-1); }
.comodo {
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 2px var(--space-2); align-items: center; padding: var(--space-2);
  border: 1px solid var(--line-night); background: rgba(13, 8, 22, 0.35);
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out), transform var(--dur) var(--ease-back);
}
.comodo.is-ativo { border-color: var(--violet); background: rgba(109, 63, 224, 0.2); box-shadow: inset 3px 0 0 var(--magenta); }
.comodo.is-ignorado { opacity: 0.5; }
.comodo input { min-width: 0; min-height: 32px; padding: 0 var(--space-1); border: 1px solid transparent; background: transparent; font-weight: 600; }
.comodo input:hover, .comodo input:focus { border-color: var(--line-night-strong); background: var(--night); }
.comodo__medida { grid-column: 1; padding-left: var(--space-1); color: var(--on-night-muted); font-size: var(--fs-xs); }
.comodo__acao { grid-column: 2; grid-row: 1 / span 2; min-height: 36px; padding: 0 var(--space-2); border: 1px solid var(--line-night); background: transparent; font-size: var(--fs-xs); cursor: pointer; }
.comodo__acao:hover { border-color: var(--lilac); }
.comodos--maquete .comodo { width: 100%; color: inherit; text-align: left; cursor: pointer; }
.comodos--maquete .comodo:hover { border-color: var(--lilac); transform: translateX(3px); }
.comodo__nome { font-weight: 600; }

/* ---------- Plan editor ---------- */
.editor {
  position: absolute; inset: 0; overflow: hidden; touch-action: none;
  background: radial-gradient(70% 70% at 60% 35%, rgba(139, 92, 246, 0.14), transparent 70%), var(--night);
}
.editor[hidden] { display: none; }
.editor__tela { position: absolute; inset: 0; display: block; width: 100%; height: 100%; cursor: grab; }
.editor__tela.is-mira { cursor: crosshair; }
.editor__tela.is-arrasto { cursor: grabbing; }
.editor__vazio { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; padding: var(--space-8); color: var(--on-night-muted); text-align: center; pointer-events: none; }
.editor__vazio[hidden] { display: none; }
.editor__dica {
  position: absolute; left: 50%; top: var(--space-3); max-width: calc(100% - 2rem); margin: 0; padding: var(--space-1) var(--space-3);
  transform: translateX(-50%); border: 1px solid var(--line-night-strong); background: rgba(13, 8, 22, 0.86);
  font-size: var(--fs-sm); text-align: center; pointer-events: none;
}
.editor__dica:empty { display: none; }
.editor__zoom { position: absolute; right: var(--space-3); bottom: var(--space-3); display: flex; gap: var(--space-1); }

/* ---------- 3D stage (from the c41-site prototype) ---------- */
.amb-palco {
  position: absolute; inset: 0; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(70% 70% at 60% 35%, rgba(139, 92, 246, 0.22), transparent 70%),
    radial-gradient(80% 60% at 10% 100%, rgba(126, 52, 99, 0.3), transparent 65%),
    var(--night-soft);
}
.amb-palco[hidden] { display: none; }
.amb-palco__tela { position: absolute; inset: 0; cursor: grab; }
.amb-palco__tela:active { cursor: grabbing; }
.amb-palco__tela canvas { display: block; width: 100%; height: 100%; }
.amb-palco__tela:focus-visible { outline: 2px solid var(--lilac); outline-offset: -4px; }
.amb-palco__aviso { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; padding: var(--space-8); color: var(--on-night-muted); text-align: center; pointer-events: none; }
.amb-palco__aviso[hidden] { display: none; }
.amb-controles { position: absolute; top: var(--space-3); left: var(--space-3); right: var(--space-3); z-index: 2; display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--space-2); pointer-events: none; }
.amb-niveis, .amb-acoes { display: flex; flex-wrap: wrap; gap: var(--space-1); pointer-events: auto; }
.amb-botao {
  display: inline-flex; align-items: center; justify-content: center; gap: var(--space-2); min-width: var(--tap); min-height: var(--tap); padding: 0 var(--space-3);
  border: 1px solid var(--line-night-strong); background: rgba(13, 8, 22, 0.66); color: var(--on-night);
  -webkit-backdrop-filter: blur(10px); backdrop-filter: blur(10px); font-size: var(--fs-sm); font-weight: 500; cursor: pointer;
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out), transform var(--dur) var(--ease-back);
}
.amb-botao:hover { border-color: var(--lilac); transform: translateY(-2px); }
.amb-botao:active { transform: scale(0.97); transition-duration: var(--dur-fast); }
.amb-botao[aria-pressed="true"] { background: var(--violet-deep); border-color: var(--violet-deep); color: #fff; }
.amb-botao--luz { box-shadow: 0 0 0 1px rgba(196, 181, 253, 0.2), 0 8px 26px rgba(109, 63, 224, 0.35); }
.amb-botao .icone { width: 1.05em; height: 1.05em; }
.editor__zoom .amb-botao { padding: 0; }
.amb-info {
  position: absolute; left: var(--space-3); bottom: var(--space-3); z-index: 2; max-width: min(420px, calc(100% - 2 * var(--space-3)));
  padding: var(--space-3) var(--space-4); border: 1px solid var(--line-night-strong); background: rgba(13, 8, 22, 0.72);
  -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); pointer-events: none;
}
.amb-info p { margin: 0; }
.amb-info__nome { font: 400 1.5rem/1.05 var(--font-display); text-transform: uppercase; }
.amb-info__medidas { margin-top: var(--space-1) !important; color: var(--on-night-muted); font-size: var(--fs-sm); }
.amb-info__medidas strong { color: var(--on-night); font-weight: 600; }
.amb-cotas { position: absolute; inset: 0; z-index: 1; pointer-events: none; overflow: hidden; }
.amb-cota {
  position: absolute; left: 0; top: 0; padding: 2px var(--space-2); white-space: nowrap;
  background: var(--led); color: var(--night); font-size: var(--fs-xs); font-weight: 600; line-height: 1.5;
  box-shadow: 0 0 16px var(--led-glow); will-change: transform; opacity: 0; transition: opacity var(--dur) var(--ease-out);
}
.amb-cotas.is-visivel .amb-cota { opacity: 1; transition-delay: calc(var(--i, 0) * 80ms); }
.amb-cota.is-fora { visibility: hidden; }
.amb-dica {
  position: absolute; left: 50%; top: 50%; z-index: 3; max-width: calc(100% - 2rem); margin: 0; padding: var(--space-2) var(--space-4);
  border: 1px solid var(--line-night-strong); background: rgba(13, 8, 22, 0.88); color: var(--on-night); font-size: var(--fs-sm); text-align: center;
  opacity: 0; transform: translate(-50%, calc(-50% + 8px)); pointer-events: none;
  transition: opacity var(--dur) var(--ease-out), transform var(--dur) var(--ease-back);
}
.amb-dica.is-visivel { opacity: 1; transform: translate(-50%, -50%); }

/* ---------- Badges ---------- */
.selo { display: inline-block; padding: 1px var(--space-2); font-size: var(--fs-xs); font-weight: 600; line-height: 1.6; white-space: nowrap; }
.selo--estimado { border: 1px dashed var(--lilac); color: var(--lilac); }
.selo--premissa { border: 1px dashed var(--magenta); color: var(--magenta); }

/* ---------- Motion (transform and opacity only) ---------- */
@media (prefers-reduced-motion: no-preference) {
  .etapa:not([hidden]) > * { animation: sobe 420ms var(--ease-out) backwards; }
  .etapa:not([hidden]) > :nth-child(2) { animation-delay: 60ms; }
  .etapa:not([hidden]) > :nth-child(3) { animation-delay: 120ms; }
  .etapa:not([hidden]) > :nth-child(n + 4) { animation-delay: 180ms; }
  .comodo.is-novo { animation: sobe 460ms var(--ease-out) backwards; animation-delay: calc(var(--i, 0) * 60ms); }
  .amb-info.is-novo > * { animation: sobe 460ms var(--ease-out) backwards; }
  .amb-info.is-novo > :nth-child(2) { animation-delay: 60ms; }
}
@keyframes sobe { from { opacity: 0; transform: translateY(10px); } }
@media (prefers-reduced-motion: reduce) {
  .botao, .botao-sec, .amb-botao, .comodo, .amb-cota, .amb-dica, .soltar, .etapas__botao { transition: none; }
}