/* Calculadora de Amarres · DIS ACTIO ABOGADOS, S.L. */

:root {
  --dorado:        #C9A961;
  --dorado-osc:    #B8924A;
  --dorado-claro:  #E4CC8A;
  --gris-90:       #2C2C2C;
  --gris-70:       #3A3A3A;
  --gris-50:       #6E6E6E;
  --gris-30:       #B0B0B0;
  --gris-10:       #E5E5E5;
  --beige:         #F5F1E8;
  --beige-claro:   #FAF7F0;
  --blanco:        #FFFFFF;
  --rojo:          #B32B2B;
  --verde:         #2E7D32;

  --radio:         12px;
  --sombra:        0 2px 8px rgba(0,0,0,.08);
  --sombra-fuerte: 0 6px 20px rgba(0,0,0,.15);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  background: var(--beige-claro);
  color: var(--gris-90);
  line-height: 1.5;
}

/* ---------- TOPBAR ---------- */

.topbar {
  background: linear-gradient(135deg, var(--gris-90) 0%, var(--gris-70) 100%);
  color: var(--blanco);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--sombra);
  padding-top: max(14px, env(safe-area-inset-top));
}
.topbar .logo {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--blanco);
  padding: 4px;
  box-shadow: 0 2px 6px rgba(0,0,0,.3);
  flex-shrink: 0;
}
.topbar .titulo h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--dorado-claro);
}
.topbar .titulo p {
  margin: 2px 0 0;
  font-size: .75rem;
  color: var(--gris-30);
  font-weight: 400;
}

/* ---------- MAIN ---------- */

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 16px 60px;
}

.bloque {
  background: var(--blanco);
  border-radius: var(--radio);
  padding: 18px;
  margin-bottom: 14px;
  box-shadow: var(--sombra);
}

.bloque h2 {
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--gris-90);
  display: flex;
  align-items: center;
  gap: 10px;
}
.bloque h2 .num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--dorado);
  color: var(--blanco);
  border-radius: 50%;
  font-size: .85rem;
  font-weight: 700;
}

/* ---------- PERFILES DE CARGA ---------- */

.perfiles {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(108px, 1fr));
  gap: 8px;
}
.perfil-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px 6px;
  background: var(--beige);
  border: 2px solid transparent;
  border-radius: 10px;
  cursor: pointer;
  transition: all .15s;
  font-family: inherit;
  color: var(--gris-90);
  -webkit-tap-highlight-color: transparent;
}
.perfil-btn .emoji { font-size: 1.6rem; line-height: 1; }
.perfil-btn .lbl   { font-size: .72rem; text-align: center; line-height: 1.2; }
.perfil-btn:hover  { background: var(--dorado-claro); }
.perfil-btn.activo {
  background: var(--dorado);
  color: var(--blanco);
  border-color: var(--dorado-osc);
  box-shadow: var(--sombra);
}

.hint {
  margin: 12px 0 0;
  padding: 10px 12px;
  background: var(--beige);
  border-left: 3px solid var(--dorado);
  border-radius: 6px;
  font-size: .85rem;
  color: var(--gris-70);
  min-height: 20px;
}
.hint:empty { display: none; }

/* ---------- FORMULARIO ---------- */

label {
  display: block;
  font-size: .85rem;
  color: var(--gris-70);
  font-weight: 500;
  margin-bottom: 10px;
}
label.check {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  cursor: pointer;
  user-select: none;
}
label.check input { width: 20px; height: 20px; accent-color: var(--dorado); }

input[type="number"],
input[type="text"],
select {
  display: block;
  width: 100%;
  margin-top: 4px;
  padding: 11px 12px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--blanco);
  border: 1.5px solid var(--gris-10);
  border-radius: 8px;
  color: var(--gris-90);
  transition: border-color .15s, box-shadow .15s;
  -webkit-appearance: none;
  appearance: none;
}
input[type="number"]:focus,
input[type="text"]:focus,
select:focus {
  outline: none;
  border-color: var(--dorado);
  box-shadow: 0 0 0 3px rgba(201,169,97,.18);
}
select {
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='%236E6E6E' d='M6 8L0 0h12z'/></svg>");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
@media (max-width: 420px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.dimens {
  margin-top: 4px;
  background: var(--beige);
  border-radius: 8px;
  padding: 4px 12px;
}
.dimens summary {
  padding: 8px 0;
  cursor: pointer;
  font-size: .85rem;
  font-weight: 500;
  color: var(--gris-70);
  user-select: none;
}
.dimens[open] summary { color: var(--dorado-osc); margin-bottom: 8px; }

/* slider */
.slider-lbl strong { color: var(--dorado-osc); font-size: 1.1em; }
input[type="range"] {
  width: 100%;
  margin: 8px 0 4px;
  accent-color: var(--dorado);
}
.hint small, small.hint {
  display: block;
  color: var(--gris-50);
  font-size: .75rem;
  margin-top: 4px;
}

/* ---------- ACCIONES ---------- */

.acciones {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}
button {
  flex: 1;
  padding: 14px;
  font-size: 1rem;
  font-weight: 600;
  font-family: inherit;
  border: none;
  border-radius: 10px;
  cursor: pointer;
  transition: transform .1s, box-shadow .15s, background .15s;
  -webkit-tap-highlight-color: transparent;
}
button:active { transform: scale(.98); }

button.primary {
  background: linear-gradient(135deg, var(--dorado) 0%, var(--dorado-osc) 100%);
  color: var(--blanco);
  box-shadow: var(--sombra);
}
button.primary:hover { box-shadow: var(--sombra-fuerte); }

button.secondary {
  background: var(--blanco);
  color: var(--gris-70);
  border: 1.5px solid var(--gris-10);
}
button.secondary:hover { background: var(--beige); }

/* ---------- ERROR ---------- */

.error {
  background: #FDECEC;
  color: var(--rojo);
  padding: 12px 14px;
  border-radius: 8px;
  border-left: 4px solid var(--rojo);
  font-size: .9rem;
  margin-bottom: 12px;
}
.hidden { display: none !important; }

/* ---------- RESULTADO ---------- */

.resultado {
  margin-top: 24px;
  padding: 20px;
  background: linear-gradient(135deg, var(--gris-90) 0%, var(--gris-70) 100%);
  color: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra-fuerte);
}

.resultado .big {
  display: flex;
  align-items: center;
  gap: 18px;
  padding-bottom: 16px;
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.num-amarres {
  font-size: 4rem;
  font-weight: 700;
  color: var(--dorado);
  line-height: 1;
  min-width: 80px;
  text-align: center;
}
.num-lbl {
  font-size: 1rem;
  color: var(--gris-30);
}
.num-lbl small { font-size: .8rem; }

.mu-info {
  margin: 14px 0 4px;
  color: var(--gris-30);
  font-size: .9rem;
}
.mu-info strong { color: var(--dorado-claro); }

.resultado h3 {
  margin: 18px 0 8px;
  font-size: .95rem;
  color: var(--dorado-claro);
  font-weight: 600;
  letter-spacing: .03em;
  text-transform: uppercase;
}

.detalle, .advertencias ul {
  list-style: none;
  margin: 0;
  padding: 0;
}
.detalle li, #advertencias li {
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
  font-size: .9rem;
  color: var(--gris-10);
}
.detalle li:last-child, #advertencias li:last-child { border-bottom: none; }
.detalle li strong { color: var(--blanco); }
.detalle li b      { color: var(--dorado); font-size: 1.1em; }

.advertencias {
  margin-top: 14px;
  padding: 12px 14px;
  background: rgba(201,169,97,.12);
  border-left: 3px solid var(--dorado);
  border-radius: 6px;
}
.advertencias h3 { margin-top: 0; }
.advertencias li { color: var(--dorado-claro); font-size: .88rem; }

.legal {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,.15);
  font-size: .75rem;
  color: var(--gris-30);
  line-height: 1.5;
}
.legal strong { color: var(--dorado-claro); }

/* ---------- MARCO JURÍDICO ---------- */

.normativa {
  margin-top: 16px;
  padding: 14px 16px;
  background: rgba(201,169,97,.08);
  border-left: 3px solid var(--dorado);
  border-radius: 6px;
}
.normativa h3 {
  margin-top: 0 !important;
  margin-bottom: 10px !important;
  color: var(--dorado-claro) !important;
}
.norma-especifica {
  font-size: .88rem;
  color: var(--gris-10);
  line-height: 1.5;
}
.norma-especifica .norma-titulo {
  font-weight: 700;
  color: var(--dorado-claro);
  margin-bottom: 6px;
  font-size: .92rem;
}
.norma-especifica .norma-item {
  padding: 6px 0;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.norma-especifica .norma-item:last-child { border-bottom: none; }
.norma-especifica .norma-etq {
  display: inline-block;
  padding: 1px 7px;
  margin-right: 6px;
  background: var(--dorado);
  color: var(--gris-90);
  border-radius: 3px;
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .04em;
  text-transform: uppercase;
  vertical-align: middle;
}
.norma-especifica .norma-tip-grave   { background: #D9963A; color: #fff; }
.norma-especifica .norma-tip-muygrave{ background: #B32B2B; color: #fff; }

.norma-general {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid rgba(255,255,255,.1);
}
.norma-general summary {
  cursor: pointer;
  color: var(--dorado-claro);
  font-size: .82rem;
  font-weight: 600;
  user-select: none;
  list-style: none;
  padding: 4px 0;
}
.norma-general summary::before {
  content: '▸ ';
  display: inline-block;
  transition: transform .2s;
}
.norma-general[open] summary::before { transform: rotate(90deg); }
.norma-general ul {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}
.norma-general li {
  padding: 5px 0 5px 16px;
  font-size: .8rem;
  color: var(--gris-30);
  position: relative;
  line-height: 1.45;
}
.norma-general li::before {
  content: '§';
  position: absolute;
  left: 0;
  color: var(--dorado);
  font-weight: 700;
}

/* ---------- BOTÓN PDF ---------- */
.pdf-btn {
  margin-top: 18px;
  width: 100%;
  font-size: .95rem !important;
  padding: 14px !important;
  background: linear-gradient(135deg, var(--dorado) 0%, var(--dorado-osc) 100%) !important;
  color: var(--blanco) !important;
  border: none !important;
  box-shadow: 0 4px 12px rgba(184,146,74,.4) !important;
}
.pdf-btn:hover { box-shadow: 0 6px 16px rgba(184,146,74,.55) !important; }
.pdf-btn:disabled { opacity: .6; cursor: wait; }

/* ---------- DIAGRAMAS SVG ---------- */

.visual {
  margin-top: 16px;
  padding: 14px;
  background: var(--beige);
  border-radius: 10px;
  border: 1px solid var(--gris-10);
}
.visual-titulo {
  font-size: .85rem;
  color: var(--gris-70);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}
#vista-lateral {
  width: 100%;
  height: auto;
  display: block;
  background: linear-gradient(180deg, #FAF7F0 0%, #F0E8D4 100%);
  border-radius: 6px;
  border: 1px solid var(--gris-10);
}
.visual-leyenda {
  font-size: .78rem;
  color: var(--gris-50);
  margin: 8px 0 0;
  line-height: 1.4;
}
.visual-leyenda.small { font-size: .75rem; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
  text-transform: uppercase;
}
.badge.bueno { background: #DCEFDD; color: var(--verde); }
.badge.medio { background: #FFEDCC; color: #8B5A00; }
.badge.malo  { background: #FDECEC; color: var(--rojo); }

/* Vista superior dentro del resultado */
.vista-sup-wrap {
  margin: 18px 0 8px;
  padding: 14px;
  background: rgba(255,255,255,.06);
  border-radius: 8px;
}
.vista-sup-wrap h3 {
  margin-top: 0 !important;
}
#vista-superior {
  width: 100%;
  height: auto;
  display: block;
  background: rgba(255,255,255,.04);
  border-radius: 6px;
  margin: 6px 0;
}

/* ---------- AYUDA VISUAL ---------- */

.ayuda {
  margin-top: 18px;
  background: var(--blanco);
  border-radius: var(--radio);
  box-shadow: var(--sombra);
  padding: 4px 18px;
}
.ayuda summary {
  padding: 14px 0;
  cursor: pointer;
  font-weight: 600;
  color: var(--gris-90);
  font-size: .95rem;
  user-select: none;
  list-style: none;
}
.ayuda summary::-webkit-details-marker { display: none; }
.ayuda summary::before {
  content: '▸ ';
  color: var(--dorado);
  display: inline-block;
  transition: transform .2s;
}
.ayuda[open] summary::before { transform: rotate(90deg); }

.ayuda-bloque {
  padding: 14px 0 18px;
  border-top: 1px solid var(--gris-10);
}
.ayuda-bloque h4 {
  margin: 0 0 12px;
  font-size: .9rem;
  color: var(--dorado-osc);
  font-weight: 600;
}
.ayuda-bloque p {
  font-size: .82rem;
  color: var(--gris-70);
  margin: 8px 0 0;
  line-height: 1.45;
}
.ayuda-bloque p strong { color: var(--gris-90); }

.ayuda-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
@media (max-width: 520px) {
  .ayuda-grid { grid-template-columns: 1fr; }
}

.diag, .diag-ancho {
  width: 100%;
  height: auto;
  background: var(--beige);
  border-radius: 6px;
  border: 1px solid var(--gris-10);
  display: block;
}

/* ---------- FOOTER ---------- */

.footer {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 18px 20px;
  background: var(--gris-90);
  color: var(--gris-30);
  font-size: .8rem;
  padding-bottom: max(18px, env(safe-area-inset-bottom));
}
.footer strong { color: var(--dorado); font-size: .95rem; }
.footer .logo-sm {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--blanco);
  padding: 3px;
  flex-shrink: 0;
}
.footer .version { color: var(--gris-50); font-size: .7rem; }