/* ECOMOD - configurador 3D (publico). Identidad ECOMOD: verde bosque, tinta, nube; esquinas rectas. */
:root{
  --primary:#3c6841; --primary-dark:#2c4f31; --primary-light:#86b588; --primary-tint:#e6efe6;
  --ink:#15201a; --graphite:#424940; --steel:#727970;
  --cloud:#f4f6f3; --cloud-2:#e9ede8; --line:#d5dbd3; --white:#fff;
  --pad:clamp(16px,4vw,40px); --head:72px;
}
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; }
body{ margin:0; background:var(--cloud); color:var(--ink); font:400 16px/1.55 'Inter',system-ui,sans-serif; -webkit-font-smoothing:antialiased; }
img{ display:block; max-width:100%; }
a{ color:inherit; }
button,input,select,textarea{ font:inherit; color:inherit; }
:focus-visible{ outline:2px solid var(--primary); outline-offset:2px; }
.hidden{ display:none !important; }
.kicker{ font:500 11.5px/1.3 'JetBrains Mono',monospace; letter-spacing:.14em; text-transform:uppercase; }

.top{ height:var(--head); background:rgba(255,255,255,.97); border-bottom:1px solid var(--line); display:flex; align-items:center; justify-content:space-between; padding:0 var(--pad); position:relative; z-index:20; }
.top img{ height:44px; width:auto; }
.top a.back{ text-decoration:none; color:var(--graphite); }
.top a.back:hover{ color:var(--primary); }

.app{ display:grid; grid-template-columns:minmax(0,1fr) 440px; align-items:start; }
.stage{ position:sticky; top:0; height:calc(100vh - var(--head)); background:linear-gradient(180deg,#d9e4dc 0%,#eef2ec 55%,#f4f6f3 100%); overflow:hidden; }
#viewport{ position:absolute; inset:0; }
#viewport canvas{ display:block; width:100%; height:100%; touch-action:none; cursor:grab; }
#viewport canvas:active{ cursor:grabbing; }
.stage-bar{ position:absolute; left:14px; right:14px; bottom:14px; display:flex; gap:10px; justify-content:space-between; align-items:center; pointer-events:none; flex-wrap:wrap; }
.stage-bar > *{ pointer-events:auto; }
.seg{ display:inline-flex; background:rgba(255,255,255,.94); border:1px solid var(--line); }
.seg button{ background:none; border:0; padding:10px 16px; cursor:pointer; color:var(--graphite); }
.seg button[aria-pressed="true"]{ background:var(--primary); color:#fff; }
.hint{ background:rgba(255,255,255,.88); padding:8px 12px; color:var(--graphite); border:1px solid var(--line); }
.stage-load{ position:absolute; inset:0; display:flex; align-items:center; justify-content:center; text-align:center; padding:24px; color:var(--graphite); }
.stage-load p{ margin:0; max-width:34ch; }
.dims{ position:absolute; top:14px; left:14px; background:rgba(255,255,255,.92); border:1px solid var(--line); padding:8px 12px; color:var(--graphite); }

.panel{ padding:26px var(--pad) 48px; background:var(--white); border-left:1px solid var(--line); min-height:calc(100vh - var(--head)); }
.panel h1{ font:800 clamp(26px,3.2vw,34px)/1.12 'Hanken Grotesk',sans-serif; margin:6px 0 10px; letter-spacing:-.01em; }
.lede{ margin:0 0 22px; color:var(--graphite); font-size:15.5px; }
.proto{ display:inline-block; background:var(--primary-tint); color:var(--primary-dark); padding:5px 9px; }

.grp{ border-top:1px solid var(--line); padding:18px 0 4px; }
.grp h2{ font:700 16px/1.3 'Hanken Grotesk',sans-serif; margin:0 0 4px; display:flex; gap:10px; align-items:baseline; }
.grp h2 .n{ color:var(--primary); }
.grp .sub{ margin:0 0 12px; color:var(--steel); font-size:14px; }
.opts{ display:grid; gap:8px; margin-bottom:14px; }
.opts.two{ grid-template-columns:1fr 1fr; }
.opt{ text-align:left; background:var(--white); border:1.5px solid var(--line); padding:11px 13px; cursor:pointer; display:flex; flex-direction:column; gap:2px; }
.opt b{ font-weight:600; }
.opt small{ color:var(--steel); font-size:13px; }
.opt:hover{ border-color:var(--primary-light); }
.opt[aria-pressed="true"]{ border-color:var(--primary); background:var(--primary-tint); box-shadow:inset 0 0 0 1px var(--primary); }
.opt[disabled]{ opacity:.45; cursor:not-allowed; }
.nrow{ display:flex; gap:8px; margin-bottom:12px; }
.nrow .opt{ flex:1; align-items:center; text-align:center; }
.sw{ display:grid; grid-template-columns:repeat(3,1fr); gap:8px; margin-bottom:14px; }
.sw .opt{ padding:9px 8px; align-items:flex-start; }
.chip{ width:100%; height:26px; border:1px solid rgba(0,0,0,.18); margin-bottom:6px; }
.chip.wood{ background:repeating-linear-gradient(90deg,#a9784a 0 7px,#9a6a3f 7px 13px,#b5845a 13px 20px); }
.chip.wood2{ background:repeating-linear-gradient(90deg,#8a6a46 0 6px,#7b5d3c 6px 12px); }
.ext{ display:grid; gap:8px; margin-bottom:14px; }
.chk{ display:flex; gap:12px; align-items:flex-start; border:1.5px solid var(--line); padding:10px 13px; cursor:pointer; }
.chk:hover{ border-color:var(--primary-light); }
.chk input{ margin-top:4px; width:18px; height:18px; accent-color:var(--primary); flex:none; }
.chk span b{ display:block; font-weight:600; }
.chk span small{ color:var(--steel); font-size:13px; }
.chk:has(input:checked){ border-color:var(--primary); background:var(--primary-tint); }
.compass{ display:grid; grid-template-columns:repeat(4,1fr); gap:8px; margin-bottom:14px; }
.compass .opt{ align-items:center; text-align:center; }

.summary{ background:var(--cloud); border:1px solid var(--line); padding:16px 18px; margin:6px 0 16px; }
.summary h2{ font:700 16px/1.3 'Hanken Grotesk',sans-serif; margin:0 0 8px; }
.summary dl{ margin:0; display:grid; grid-template-columns:auto 1fr; gap:4px 14px; font-size:14.5px; }
.summary dt{ color:var(--steel); }
.summary dd{ margin:0; }
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:10px; background:var(--primary); color:#fff; text-decoration:none; padding:15px 26px; border:2px solid var(--primary); cursor:pointer; width:100%; }
.btn:hover{ background:var(--primary-dark); border-color:var(--primary-dark); }
.btn[disabled]{ opacity:.6; cursor:wait; }
.note{ color:var(--steel); font-size:13px; margin:12px 0 0; }

#formBox{ border-top:3px solid var(--primary); margin-top:22px; padding-top:18px; }
#formBox h2{ font:700 20px/1.2 'Hanken Grotesk',sans-serif; margin:0 0 6px; }
.f{ display:grid; gap:12px; margin-top:12px; }
.f label{ display:grid; gap:4px; font-size:14px; color:var(--graphite); }
.f input[type=text],.f input[type=email],.f input[type=tel],.f textarea{ border:1.5px solid var(--line); padding:11px 12px; background:#fff; width:100%; }
.f textarea{ min-height:84px; resize:vertical; }
.f .ck{ display:flex; gap:10px; align-items:flex-start; font-size:13.5px; }
.f .ck input{ margin-top:3px; accent-color:var(--primary); }
.trap{ position:absolute; left:-9999px; width:1px; height:1px; overflow:hidden; }
.msg{ padding:12px 14px; margin-top:12px; font-size:14.5px; }
.msg.ok{ background:var(--primary-tint); border:1px solid var(--primary); }
.msg.err{ background:#fbeaea; border:1px solid #c05050; }

@media (max-width:960px){
  .top{ position:relative; }
  .app{ display:block; }
  .stage{ position:sticky; top:0; z-index:15; height:52vh; min-height:300px; max-height:460px; }
  .panel{ border-left:0; min-height:0; }
  .opts.two{ grid-template-columns:1fr 1fr; }
  .stage-bar{ left:8px; right:8px; bottom:8px; }
  .hint{ display:none; }
}
@media (max-width:420px){ .sw{ grid-template-columns:repeat(2,1fr); } }
@media (prefers-reduced-motion:reduce){ *{ scroll-behavior:auto !important; } }