/* ==========================================================================
   Calculadora DGA — hoja de estilos
   Derivada de fuente/artefacto-referencia.html. Los tokens del enunciado
   mandan. Sin gradientes, sin glassmorphism, sin modo oscuro.
   ========================================================================== */

:root{
  --canvas:#E7EAEC; --surface:#FFFFFF; --ink:#16181B; --muted:#6B7177;
  --line:#D3D8DC; --accent:#FF6B35; --pass:#0E8A5F; --fail:#C42B21;
  --pass-bg:#E3F2EB; --fail-bg:#FBE8E6; --warn-bg:#FFF3E4; --warn-ink:#8A5300;
  --r:14px;
  --shadow:0 1px 2px rgba(22,24,27,.05),0 8px 28px -12px rgba(22,24,27,.16);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  background:var(--canvas);color:var(--ink);
  font-family:'Inter',system-ui,sans-serif;font-size:15px;line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
.disp{font-family:'Space Grotesk','Inter',sans-serif}
.mono{font-family:'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums}
.wrap{max-width:660px;margin:0 auto;padding:28px 18px 80px}
.oculto{display:none !important}
.sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* foco visible por teclado, en todo el documento */
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ── cabecera ───────────────────────────────────────────────────────────── */
.eyebrow{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600}
h1{
  font-family:'Space Grotesk',sans-serif;font-size:clamp(28px,7vw,40px);line-height:1.06;
  letter-spacing:-.03em;font-weight:700;margin:10px 0 6px;
}
.sub{color:var(--muted);font-size:14px;max-width:44ch;margin:0 0 26px}

/* ── tarjetas ───────────────────────────────────────────────────────────── */
.card{background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);padding:20px;margin-bottom:14px}
.lbl{display:block;font-size:11px;letter-spacing:.14em;text-transform:uppercase;font-weight:600;color:var(--muted);margin-bottom:10px}
.lbl .aparte{float:right;letter-spacing:0;text-transform:none;font-weight:500}
.help{font-size:12.5px;color:var(--muted);margin-top:10px}

/* ── elemento firma: el campo de chasis ─────────────────────────────────── */
.vinrow{display:flex;align-items:stretch;gap:10px}
.slot0{position:relative;flex:0 0 auto}
.slot0 input{
  width:62px;height:62px;text-align:center;border-radius:12px;
  border:2px solid var(--line);background:var(--canvas);color:var(--ink);
  font-family:'JetBrains Mono',monospace;font-size:28px;font-weight:700;padding:0;
}
.slot0 input::placeholder{color:#B6BCC1}
.slot0 input:focus{outline:none;border-color:var(--ink)}
.slot0 input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.slot0[data-s="si"] input{border-color:var(--pass);background:var(--pass-bg);color:var(--pass)}
.slot0[data-s="no"] input{border-color:var(--fail);background:var(--fail-bg);color:var(--fail)}

.rest{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:center}
.rest input{
  width:100%;border:0;border-bottom:2px dashed var(--line);background:none;padding:6px 2px;
  font-family:'JetBrains Mono',monospace;font-size:15px;letter-spacing:.14em;color:var(--muted);
}
.rest input:focus{outline:none;border-bottom-color:var(--ink);color:var(--ink)}
.rest input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.verdict{font-size:12.5px;font-weight:600;margin-top:8px;color:var(--muted)}
.verdict[data-s="si"]{color:var(--pass)}
.verdict[data-s="no"]{color:var(--fail)}

.toggle{display:flex;gap:8px;margin-top:16px}
.toggle button{
  flex:1;font-family:inherit;font-size:13px;font-weight:500;padding:11px 10px;cursor:pointer;
  border:1.5px solid var(--line);background:var(--surface);border-radius:10px;color:var(--muted);
}
.toggle button[aria-pressed=true]{border-color:var(--ink);color:var(--ink);font-weight:600}

/* ── buscador y desplegable ─────────────────────────────────────────────── */
/* la tarjeta del buscador se apila por encima de las siguientes: si no, la
   tarjeta de año se pinta sobre el desplegable y se come los clics */
#cardVeh{position:relative;z-index:30}
.searchbox{position:relative}
#q{
  width:100%;padding:15px 16px;border:1.5px solid var(--line);border-radius:12px;
  background:var(--canvas);font-family:inherit;font-size:17px;color:var(--ink);
}
#q:focus{outline:none;border-color:var(--ink);background:var(--surface)}
#q:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

.drop{
  position:absolute;z-index:20;left:0;right:0;top:calc(100% + 6px);background:var(--surface);
  border-radius:12px;box-shadow:0 4px 10px rgba(22,24,27,.07),0 20px 44px -16px rgba(22,24,27,.3);
  overflow:hidden;max-height:340px;overflow-y:auto;
}
.drop:empty{display:none}
.opt{
  display:flex;justify-content:space-between;align-items:center;gap:12px;width:100%;text-align:left;
  padding:12px 15px;border:0;border-bottom:1px solid var(--line);background:none;
  font-family:inherit;cursor:pointer;color:var(--ink);
}
.opt:last-child{border-bottom:0}
.opt:hover,.opt.aq{background:var(--canvas)}
.opt:focus{outline:none}
.opt:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.opt .n{font-size:14.5px;font-weight:600;line-height:1.25;display:block}
.opt .m{font-size:12px;color:var(--muted);margin-top:2px;display:block}
.opt .v{font-size:13px;font-weight:600;white-space:nowrap;color:var(--muted)}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--fail);margin-left:6px;vertical-align:middle}
.dropnote{padding:12px 15px;font-size:13px;color:var(--muted)}

.chosen{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-top:14px}
.chosen .n{font-size:16px;font-weight:600;line-height:1.25;display:block}
.chosen .m{font-size:12.5px;color:var(--muted);margin-top:3px;display:block}
.chosen button{
  border:0;background:none;font-family:inherit;font-size:13px;font-weight:600;
  color:var(--accent);cursor:pointer;padding:6px;white-space:nowrap;
}
.chosen button:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* ── años ───────────────────────────────────────────────────────────────── */
.years{display:flex;gap:7px;flex-wrap:wrap}
.years button{
  flex:1;min-width:62px;font-family:'JetBrains Mono',monospace;font-size:15px;font-weight:500;
  padding:12px 4px;border:1.5px solid var(--line);background:var(--surface);border-radius:10px;
  cursor:pointer;color:var(--muted);
}
.years button[aria-pressed=true]{background:var(--ink);border-color:var(--ink);color:var(--surface);font-weight:700}
.years button[disabled]{opacity:.32;cursor:not-allowed}

/* ── resultado ──────────────────────────────────────────────────────────── */
.out{background:var(--ink);color:#fff;border-radius:var(--r);padding:24px 22px;box-shadow:var(--shadow)}
.out .k{font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:600;color:#9AA2A9}
.out .fig{
  font-family:'Space Grotesk',sans-serif;font-size:clamp(46px,13vw,68px);font-weight:700;
  letter-spacing:-.035em;line-height:1;margin:8px 0 2px;color:var(--accent);font-variant-numeric:tabular-nums;
}
.out .brk{display:flex;flex-wrap:wrap;gap:0 22px;margin-top:16px;padding-top:16px;border-top:1px solid #303439}
.out .brk div{font-size:13px;color:#9AA2A9}
.out .brk b{display:block;font-family:'JetBrains Mono',monospace;font-size:15px;font-weight:700;color:#fff;margin-top:2px}
.placeholder{
  background:var(--surface);border:1.5px dashed var(--line);box-shadow:none;border-radius:var(--r);
  padding:34px 22px;text-align:center;color:var(--muted);font-size:14px;
}

/* ── avisos ─────────────────────────────────────────────────────────────── */
.note{display:flex;gap:10px;background:var(--fail-bg);color:var(--fail);border-radius:10px;padding:12px 14px;font-size:12.5px;margin-top:10px}
.note b{font-weight:700}
.note.soft{background:var(--warn-bg);color:var(--warn-ink)}
.note.info{background:var(--surface);color:var(--muted);box-shadow:var(--shadow)}
.bloqueo{
  background:var(--fail-bg);color:var(--fail);border-radius:var(--r);padding:18px 20px;margin-top:10px;
  border-left:4px solid var(--fail);
}
.bloqueo b{display:block;font-family:'Space Grotesk',sans-serif;font-size:16px;margin-bottom:5px}
.bloqueo span{font-size:13px;display:block}

/* ── plegables y tablas ─────────────────────────────────────────────────── */
details{margin-top:14px;background:var(--surface);border-radius:var(--r);box-shadow:var(--shadow);overflow:hidden}
summary{padding:15px 20px;cursor:pointer;font-size:13.5px;font-weight:600;list-style:none}
summary::-webkit-details-marker{display:none}
summary::after{content:'+';float:right;color:var(--muted);font-weight:400}
details[open] summary::after{content:'\2013'}
summary:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}

table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;font-size:10px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding:8px 20px;font-weight:600}
td{padding:11px 20px;border-top:1px solid var(--line)}
tr.cur td{background:#FFF3EE;font-weight:700}
td.r,th.r{text-align:right}
.na{color:var(--muted)}
.tablawrap{overflow-x:auto}
th.ord{cursor:pointer;user-select:none;white-space:nowrap}
th.ord:hover{color:var(--ink)}
th.ord[aria-sort="ascending"]::after{content:' \2191';color:var(--accent)}
th.ord[aria-sort="descending"]::after{content:' \2193';color:var(--accent)}

.fine{font-size:12px;color:var(--muted);margin-top:22px;line-height:1.6}

/* ── formularios (fase 3 y 4) ───────────────────────────────────────────── */
.campos{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:12px}
.campo{display:flex;flex-direction:column;gap:5px}
.campo label{font-size:11.5px;color:var(--muted);font-weight:600}
.campo input,.campo select,textarea{
  font-family:'JetBrains Mono',ui-monospace,monospace;font-variant-numeric:tabular-nums;
  font-size:14px;padding:10px 12px;border:1.5px solid var(--line);border-radius:10px;
  background:var(--canvas);color:var(--ink);width:100%;
}
.campo input:focus,.campo select:focus,textarea:focus{outline:none;border-color:var(--ink);background:var(--surface)}
.campo input:focus-visible,.campo select:focus-visible,textarea:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.campo .pista{font-size:11px;color:var(--muted)}
textarea{min-height:130px;resize:vertical;font-size:13px;line-height:1.6}

.btn{
  font-family:inherit;font-size:14px;font-weight:600;padding:12px 18px;cursor:pointer;
  border:1.5px solid var(--ink);background:var(--ink);color:var(--surface);border-radius:10px;
}
.btn.sec{background:var(--surface);color:var(--ink)}
.btn.lin{background:none;border-color:var(--line);color:var(--muted)}
.btn[disabled]{opacity:.4;cursor:not-allowed}
.btnfila{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}

.kv{display:flex;justify-content:space-between;gap:12px;padding:9px 0;border-top:1px solid var(--line);font-size:13.5px}
.kv:first-child{border-top:0}
.kv span{color:var(--muted)}
.kv b{font-family:'JetBrains Mono',monospace;font-variant-numeric:tabular-nums;font-weight:600}
.kv.total{border-top:2px solid var(--ink);margin-top:4px;padding-top:12px;font-size:15px}
.kv.total b{font-size:17px;font-weight:700}

.pill{
  display:inline-block;font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;font-weight:700;
  padding:4px 9px;border-radius:999px;background:var(--canvas);color:var(--muted);
}
.pill.ok{background:var(--pass-bg);color:var(--pass)}
.pill.no{background:var(--fail-bg);color:var(--fail)}

.logoprev{max-height:56px;max-width:190px;object-fit:contain;display:block}

/* ── esqueleto de carga (animación 5) ───────────────────────────────────── */
.sk{background:var(--line);border-radius:8px;height:14px;margin:9px 0;position:relative;overflow:hidden}
.sk.t{height:26px;width:70%}
.sk.s{width:45%}

/* ── hoja de cotización (solo visible al imprimir) ──────────────────────── */
#hoja{display:none}

/* ==========================================================================
   ANIMACIONES — exactamente seis. Solo transform y opacity. Nunca `all`.
   ========================================================================== */
@media (prefers-reduced-motion: no-preference){

  /* 1. Carga: tarjetas escalonadas 60 ms, subiendo 8 px */
  .entra{animation:entra .30s cubic-bezier(.22,.8,.3,1) both;animation-delay:calc(var(--i,0) * 60ms)}
  @keyframes entra{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}

  /* 2. Chasis: pulso de escala 1 → 1.06 → 1 en 220 ms al cambiar el veredicto */
  .slot0.pulso input{animation:pulso .22s ease-out}
  @keyframes pulso{0%{transform:scale(1)}50%{transform:scale(1.06)}100%{transform:scale(1)}}

  /* 3. Resultado: la tarjeta sube 10 px y aparece */
  .out,.note,.bloqueo{animation:sube .34s cubic-bezier(.22,.8,.3,1) both}
  @keyframes sube{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

  /* 4. Desplegable: las primeras 8 opciones escalonadas a 25 ms */
  .opt.esc{animation:entra .18s ease-out both;animation-delay:calc(var(--i,0) * 25ms)}

  /* 5. Carga del JSON: esqueleto con brillo desplazándose */
  .sk::after{
    content:'';position:absolute;inset:0;transform:translateX(-100%);
    background:linear-gradient(90deg,rgba(255,255,255,0) 0,rgba(255,255,255,.75) 50%,rgba(255,255,255,0) 100%);
    animation:brillo 1.25s infinite;
  }
  @keyframes brillo{to{transform:translateX(100%)}}

  /* 6. Hover: solo cambio de fondo, 120 ms */
  .opt,.toggle button,.years button,.btn,summary,th.ord{transition:background-color .12s linear}
}