/* Estilos base funcionales. La etapa de pulido visual se hace después con frontend-design. */
:root {
  --azul: #15708A;
  --azulOsc: #0E3A47;
  --acento: #38B7BE;
  --crema: #FAF6EE;
  --tinta: #1F2A2E;
  --gris: #6B6B6B;
  --verde: #0E7C2F;
  --rojo: #A6453F;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, "Inter", "Helvetica Neue", system-ui, sans-serif;
  background: var(--crema);
  color: var(--tinta);
  line-height: 1.5;
}
.muted { color: var(--gris); }
.err { color: var(--rojo); }
.small { font-size: 0.85rem; }
.hint { color: var(--gris); font-size: 0.82rem; display: block; margin-top: 4px; }
code { background: rgba(0,0,0,0.05); padding: 1px 5px; border-radius: 3px; font-size: 0.92em; }

/* LOGIN */
.login-body { display: grid; place-items: center; min-height: 100vh; padding: 24px; }
.login-card {
  background: white; border-radius: 12px; padding: 36px 32px;
  width: 100%; max-width: 440px;
  box-shadow: 0 8px 28px rgba(0,0,0,0.07);
}
.login-card header h1 { color: var(--azul); margin: 0 0 4px 0; font-size: 1.6rem; }
.login-card .sub { margin: 0 0 24px 0; color: var(--gris); }
.login-card label { display: block; margin: 18px 0 0 0; }
.login-card label span { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.92rem; }
.login-card input[type="text"], .login-card input:not([type]) {
  width: 100%; padding: 10px 12px;
  border: 1px solid #ccc; border-radius: 6px;
  font-size: 1rem; font-family: inherit;
}
.login-card footer p { margin-top: 22px; color: var(--gris); font-size: 0.82rem; }

button.primary {
  background: var(--azul); color: white; border: none;
  padding: 12px 22px; border-radius: 24px;
  cursor: pointer; font-weight: 600; font-size: 1rem;
  font-family: inherit; margin-top: 22px;
  width: 100%;
}
button.primary:hover { background: var(--azulOsc); }
button.primary:disabled { background: #bbb; cursor: not-allowed; }
button.primary.big { padding: 14px 32px; font-size: 1.05rem; }

/* TOP BAR */
.top-bar {
  position: sticky; top: 0; z-index: 10;
  background: white; padding: 12px 22px;
  border-bottom: 1px solid #E2DBC8;
  display: flex; justify-content: space-between; align-items: center;
  box-shadow: 0 2px 4px rgba(0,0,0,0.03);
  gap: 12px; flex-wrap: wrap;
}
.top-bar .who strong { color: var(--azulOsc); }
.top-bar .who span { margin-left: 10px; font-size: 0.88rem; }
.top-bar .status { display: flex; gap: 8px; }
.badge {
  background: var(--azul); color: white;
  padding: 4px 12px; border-radius: 14px;
  font-size: 0.85rem; font-weight: 600;
}
.badge.muted { background: #ddd; color: #444; }

/* EXAMEN */
.exam-wrap { max-width: 860px; margin: 0 auto; padding: 22px 22px 80px; }
.intro {
  background: white; border-left: 5px solid var(--azul);
  padding: 16px 22px; border-radius: 8px; margin: 16px 0;
}
.intro ul { margin: 6px 0 0 0; padding-left: 22px; }
.intro li { margin-bottom: 4px; }

.formulario {
  background: white; border-radius: 8px; padding: 10px 18px;
  border: 1px solid #E2DBC8;
  margin-bottom: 16px;
}
.formulario summary {
  cursor: pointer; font-weight: 600; padding: 6px 0;
  color: var(--azul);
}
.formulario-inner { padding: 12px 0; text-align: center; }
.formulario img { max-width: 100%; height: auto; border: 1px solid #eee; border-radius: 4px; }

.pregunta {
  background: white; border-radius: 10px; padding: 22px 26px;
  margin: 16px 0; border: 1px solid #E2DBC8;
}
.pregunta .head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 10px; padding-bottom: 8px;
  border-bottom: 1px dashed #E2DBC8;
}
.pregunta .head .num { color: var(--azul); font-weight: 700; font-size: 1.05rem; }
.pregunta .head .pts {
  background: var(--azul); color: white;
  padding: 3px 12px; border-radius: 14px;
  font-size: 0.82rem; font-weight: 600;
}

/* Sub-preguntas dentro del caso integrador: borde dorado para diferenciar,
   pero conservan el badge azul del puntaje para mantener consistencia visual. */
.pregunta.sub-caso { border-color: #E2C99A; }
.pregunta.sub-caso .head .num { color: #8B5A1A; }
.pregunta .tema { color: var(--gris); font-size: 0.88rem; margin: 0 0 8px 0; }
.pregunta .enunciado { margin: 8px 0 14px 0; }

.campo {
  display: flex; gap: 12px; align-items: center;
  margin: 10px 0; padding: 8px 0;
}
.campo .label { flex: 1 1 50%; font-weight: 500; }
.campo .label small { color: var(--gris); display: block; font-size: 0.82rem; }
.campo .input { flex: 1 1 50%; }
.campo input[type="text"], .campo input:not([type]) {
  width: 100%; padding: 9px 12px;
  border: 1px solid #ccc; border-radius: 6px;
  font-size: 1rem; font-family: inherit;
}
.campo input.valido { border-color: var(--verde); }
.campo select {
  width: 100%; padding: 9px 12px;
  border: 1px solid #ccc; border-radius: 6px;
  font-size: 1rem; font-family: inherit; background: white;
}

/* CASO INTEGRADOR */
.caso {
  background: #FFF8EA; border: 1px solid #E2C99A;
  border-radius: 10px; padding: 22px 26px;
  margin: 22px 0;
}
.caso .head .num { color: #8B5A1A; }
.caso .head .pts { background: #B89146; }
.caso .escenario {
  background: white; border-left: 5px solid #B89146;
  padding: 12px 18px; border-radius: 4px;
  margin: 12px 0 16px 0;
}
.caso-titulo {
  font-size: 1.2rem; color: #8B5A1A; font-weight: 700;
  margin: 22px 0 10px 0; padding-top: 16px;
  border-top: 2px solid #E2C99A;
}

.submit-card {
  background: white; border-radius: 10px;
  padding: 22px 26px; margin-top: 24px;
  text-align: center; border: 2px solid var(--azul);
}
.submit-card #resumen { margin-bottom: 14px; font-size: 1.05rem; }
.submit-card button { width: auto; max-width: 320px; }

/* OVERLAY */
.overlay {
  position: fixed; inset: 0; background: rgba(14,58,71,0.85);
  display: grid; place-items: center; z-index: 100;
  backdrop-filter: blur(4px);
}
.overlay.hidden { display: none; }
.overlay-card {
  background: white; padding: 36px 40px; border-radius: 14px;
  text-align: center; max-width: 380px;
}
.overlay-card h2 { color: var(--azul); margin: 16px 0 8px 0; }
.spinner {
  width: 56px; height: 56px; margin: 0 auto;
  border: 5px solid #DDF0F2; border-top-color: var(--azul);
  border-radius: 50%; animation: spin 1s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* RESULTADO */
.resultado-wrap { max-width: 860px; margin: 0 auto; padding: 22px 22px 80px; }
.score-card {
  background: white; border-radius: 14px;
  padding: 36px 28px; text-align: center;
  border: 3px solid var(--azul);
  margin: 16px 0 22px 0;
}
.score-num { font-size: 4rem; font-weight: 700; color: var(--azul); line-height: 1; }
.score-max { color: var(--gris); margin-top: 4px; font-size: 1.05rem; }
.score-card #scoreMsg { margin-top: 14px; }

.desglose-pregunta {
  background: white; border-radius: 10px;
  padding: 18px 22px; margin: 14px 0;
  border-left: 5px solid var(--gris);
}
.desglose-pregunta.ok { border-left-color: var(--verde); }
.desglose-pregunta.parcial { border-left-color: #C29030; }
.desglose-pregunta.mal { border-left-color: var(--rojo); }
.desglose-pregunta .head {
  display: flex; justify-content: space-between; align-items: baseline;
  margin-bottom: 8px;
}
.desglose-pregunta .head h3 { margin: 0; font-size: 1rem; color: var(--azulOsc); }
.desglose-pregunta .head .puntos {
  font-weight: 700; color: var(--azul);
}
.desglose-pregunta .tema { color: var(--gris); font-size: 0.85rem; }
.desglose-pregunta .campo-row {
  display: grid; grid-template-columns: 1fr 1fr 1fr auto;
  gap: 10px; align-items: center;
  padding: 6px 0; border-top: 1px dashed #eee;
  font-size: 0.9rem;
}
.desglose-pregunta .campo-row .lbl { color: var(--gris); }
.desglose-pregunta .campo-row .badge-ok {
  background: var(--verde); color: white;
  padding: 2px 10px; border-radius: 10px; font-size: 0.78rem;
}
.desglose-pregunta .campo-row .badge-mal {
  background: var(--rojo); color: white;
  padding: 2px 10px; border-radius: 10px; font-size: 0.78rem;
}
.desglose-pregunta .procedimiento {
  background: #F4F8FB; padding: 12px 16px; border-radius: 6px;
  margin-top: 10px; font-size: 0.92rem;
}
.desglose-pregunta .procedimiento strong { color: var(--azul); }

@media (max-width: 600px) {
  .exam-wrap, .resultado-wrap { padding: 14px 14px 60px; }
  .pregunta, .caso, .intro, .score-card, .desglose-pregunta { padding: 16px 18px; }
  .campo { flex-direction: column; align-items: stretch; }
  .campo .label, .campo .input { flex: 1 1 100%; }
  .desglose-pregunta .campo-row {
    grid-template-columns: 1fr; gap: 4px;
  }
}