/* ═══════════════════════════════════════════════════════════════
   ACADEMIA MMB — Diagnóstico Inteligente (Fase 4)
   Estilos del wizard de orientación. Usa los tokens del design system
   (--mmb-*) con fallbacks defensivos. Responsive + accesible + reduced-motion.
   ═══════════════════════════════════════════════════════════════ */

.mmb-diag-body {
  --diag-acc: var(--mmb-office-blue, #0078D4);
  --diag-acc2: var(--mmb-office-cyan, #50E6FF);
  --diag-bg: var(--mmb-bg, #070B14);
  --diag-soft: var(--mmb-bg-soft, #0D1320);
  --diag-ink: var(--mmb-ink, #F4F7FC);
  --diag-dim: var(--mmb-ink-dim, #9FB0C8);
  --diag-line: var(--mmb-line, rgba(244,247,252,.12));
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--diag-ink);
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(80,230,255,.10), transparent 60%),
    radial-gradient(1000px 500px at 0% 10%, rgba(0,120,212,.12), transparent 55%),
    var(--diag-bg);
}
.mmb-display { font-family: 'Space Grotesk', 'Inter', sans-serif; }
.mmb-mono { font-family: 'JetBrains Mono', monospace; letter-spacing: .08em; text-transform: uppercase; }

/* ── Topbar ─────────────────────────────────────────────── */
.mmb-diag-topbar {
  display: flex; align-items: center; justify-content: space-between;
  gap: 1rem; padding: 1rem clamp(1rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--diag-line);
}
.mmb-diag-brand { display: flex; align-items: center; gap: .6rem; color: var(--diag-ink); text-decoration: none; font-size: 1.05rem; }
.mmb-diag-brand strong { color: var(--diag-acc2); }
.mmb-diag-back {
  display: inline-flex; align-items: center; gap: .5rem;
  color: var(--diag-dim); text-decoration: none; font-size: .9rem;
  padding: .5rem .8rem; border-radius: .6rem; transition: color .2s, background .2s;
}
.mmb-diag-back:hover { color: var(--diag-ink); background: rgba(255,255,255,.05); }

/* ── Layout principal ───────────────────────────────────── */
.mmb-diag-main {
  flex: 1; width: 100%; max-width: 760px; margin: 0 auto;
  padding: clamp(1.5rem, 5vw, 3.5rem) clamp(1rem, 4vw, 1.5rem) 3rem;
}
.mmb-diag-hero { text-align: center; margin-bottom: clamp(1.5rem, 4vw, 2.5rem); }
.mmb-diag-eyebrow {
  display: inline-flex; align-items: center; gap: .5rem; font-size: .72rem;
  color: var(--diag-acc2); padding: .35rem .8rem; border-radius: 999px;
  border: 1px solid var(--diag-line); background: rgba(80,230,255,.06); margin-bottom: 1rem;
}
.mmb-diag-title { font-size: clamp(1.9rem, 6vw, 3rem); line-height: 1.05; margin: .3rem 0 .8rem; }
.mmb-diag-sub { color: var(--diag-dim); font-size: clamp(.98rem, 2.5vw, 1.1rem); max-width: 46ch; margin: 0 auto; line-height: 1.55; }

/* ── Tarjeta del wizard (glass) ─────────────────────────── */
.mmb-diag-card {
  position: relative;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border: 1px solid var(--diag-line);
  border-radius: var(--mmb-radius-lg, 20px);
  padding: clamp(1.25rem, 4vw, 2rem);
  box-shadow: 0 24px 60px -30px rgba(0,0,0,.6);
  backdrop-filter: blur(10px);
}

/* Progreso */
.mmb-diag-progress { margin-bottom: 1.5rem; }
.mmb-diag-progress-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: .55rem; }
.mmb-diag-step-label { font-size: .72rem; color: var(--diag-dim); }
.mmb-diag-step-count { font-size: .8rem; color: var(--diag-acc2); font-weight: 600; }
.mmb-diag-bar { height: 6px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; }
.mmb-diag-bar-fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--diag-acc), var(--diag-acc2));
  border-radius: 999px; transition: width .35s ease;
}

/* Pregunta */
.mmb-diag-q-title { font-size: clamp(1.25rem, 4vw, 1.6rem); line-height: 1.2; margin: 0 0 .35rem; }
.mmb-diag-q-sub { color: var(--diag-dim); font-size: .95rem; margin: 0 0 1.25rem; }

/* Opciones */
.mmb-diag-options { display: grid; gap: .7rem; }
.mmb-diag-opt {
  display: flex; align-items: center; gap: .9rem; width: 100%; text-align: left;
  padding: 1rem 1.1rem; border-radius: 14px; cursor: pointer;
  background: rgba(255,255,255,.03); border: 1.5px solid var(--diag-line);
  color: var(--diag-ink); font-size: 1rem; font-family: inherit;
  transition: border-color .2s, background .2s, transform .12s;
}
.mmb-diag-opt:hover { border-color: rgba(80,230,255,.5); background: rgba(80,230,255,.06); }
.mmb-diag-opt:focus-visible { outline: 3px solid var(--diag-acc2); outline-offset: 2px; }
.mmb-diag-opt[aria-checked="true"] {
  border-color: var(--diag-acc2);
  background: linear-gradient(180deg, rgba(80,230,255,.14), rgba(0,120,212,.10));
  box-shadow: 0 0 0 1px var(--diag-acc2) inset;
}
.mmb-diag-opt-ic {
  flex: 0 0 auto; width: 42px; height: 42px; border-radius: 11px;
  display: grid; place-items: center; font-size: 1.05rem;
  background: rgba(255,255,255,.05); color: var(--diag-acc2);
}
.mmb-diag-opt[aria-checked="true"] .mmb-diag-opt-ic { background: rgba(80,230,255,.18); }
.mmb-diag-opt-txt { flex: 1; }
.mmb-diag-opt-check { flex: 0 0 auto; color: var(--diag-acc2); opacity: 0; transition: opacity .2s; }
.mmb-diag-opt[aria-checked="true"] .mmb-diag-opt-check { opacity: 1; }

/* Controles */
.mmb-diag-nav { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-top: 1.5rem; }
.mmb-diag-btn-back {
  display: inline-flex; align-items: center; gap: .5rem; padding: .7rem 1rem;
  background: transparent; border: 1px solid var(--diag-line); border-radius: .7rem;
  color: var(--diag-dim); font-family: inherit; font-size: .92rem; cursor: pointer; transition: color .2s, border-color .2s;
}
.mmb-diag-btn-back:hover { color: var(--diag-ink); border-color: var(--diag-ink); }
.mmb-diag-btn-back[hidden] { visibility: hidden; }
.mmb-diag-btn-next {
  display: inline-flex; align-items: center; gap: .5rem; padding: .8rem 1.4rem;
  background: linear-gradient(90deg, var(--diag-acc), var(--diag-acc2)); color: #04121f;
  border: none; border-radius: .7rem; font-family: inherit; font-weight: 700; font-size: .95rem;
  cursor: pointer; transition: transform .12s, box-shadow .2s, opacity .2s;
}
.mmb-diag-btn-next:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -12px rgba(80,230,255,.6); }
.mmb-diag-btn-next:disabled { opacity: .4; cursor: not-allowed; transform: none; box-shadow: none; }

/* ── Paso de email opcional ─────────────────────────────── */
.mmb-diag-email { margin-top: .5rem; }
.mmb-diag-email label { display: block; font-size: .9rem; color: var(--diag-dim); margin-bottom: .5rem; }
.mmb-diag-input {
  width: 100%; padding: .85rem 1rem; border-radius: 12px; font-family: inherit; font-size: 1rem;
  background: rgba(255,255,255,.04); border: 1.5px solid var(--diag-line); color: var(--diag-ink);
}
.mmb-diag-input:focus-visible { outline: none; border-color: var(--diag-acc2); box-shadow: 0 0 0 3px rgba(80,230,255,.25); }
.mmb-diag-skip { background: none; border: none; color: var(--diag-dim); text-decoration: underline; cursor: pointer; font-family: inherit; font-size: .88rem; padding: .3rem; }
.mmb-diag-skip:hover { color: var(--diag-ink); }

/* ── Resultado ──────────────────────────────────────────── */
.mmb-diag-result-eyebrow { text-align: center; font-size: .72rem; color: var(--diag-acc2); margin-bottom: .4rem; }
.mmb-diag-result-lead { text-align: center; color: var(--diag-dim); font-size: .95rem; margin: 0 0 1.4rem; }

.mmb-diag-main-card {
  border: 1.5px solid var(--diag-acc2); border-radius: 18px; padding: clamp(1.2rem, 4vw, 1.8rem);
  background: linear-gradient(180deg, rgba(80,230,255,.10), rgba(0,120,212,.06));
  text-align: center;
}
.mmb-diag-main-ic {
  width: 64px; height: 64px; margin: 0 auto 1rem; border-radius: 16px; display: grid; place-items: center;
  font-size: 1.7rem; color: #04121f; background: linear-gradient(135deg, var(--diag-acc), var(--diag-acc2));
}
.mmb-diag-main-name { font-size: clamp(1.4rem, 5vw, 1.9rem); margin: 0 0 .6rem; }
.mmb-diag-main-why { color: var(--diag-ink); opacity: .9; font-size: 1rem; line-height: 1.55; margin: 0 auto 1.4rem; max-width: 44ch; }
.mmb-diag-cta-row { display: flex; flex-wrap: wrap; gap: .7rem; justify-content: center; }
.mmb-diag-cta {
  display: inline-flex; align-items: center; gap: .5rem; padding: .85rem 1.4rem; border-radius: .7rem;
  font-weight: 700; font-size: .95rem; text-decoration: none; cursor: pointer; border: none; font-family: inherit;
}
.mmb-diag-cta-primary { background: linear-gradient(90deg, var(--diag-acc), var(--diag-acc2)); color: #04121f; transition: transform .12s, box-shadow .2s; }
.mmb-diag-cta-primary:hover { transform: translateY(-1px); box-shadow: 0 12px 30px -12px rgba(80,230,255,.6); }
.mmb-diag-cta-ghost { background: rgba(255,255,255,.05); color: var(--diag-ink); border: 1px solid var(--diag-line); transition: background .2s; }
.mmb-diag-cta-ghost:hover { background: rgba(255,255,255,.1); }

.mmb-diag-alts-title { text-align: center; font-size: .75rem; color: var(--diag-dim); text-transform: uppercase; letter-spacing: .08em; margin: 1.8rem 0 .9rem; }
.mmb-diag-alts { display: grid; gap: .7rem; grid-template-columns: 1fr 1fr; }
.mmb-diag-alt {
  display: flex; align-items: center; gap: .8rem; padding: .9rem 1rem; border-radius: 14px; text-decoration: none;
  background: rgba(255,255,255,.03); border: 1px solid var(--diag-line); color: var(--diag-ink); transition: border-color .2s, background .2s;
}
.mmb-diag-alt:hover { border-color: rgba(80,230,255,.5); background: rgba(80,230,255,.05); }
.mmb-diag-alt-ic { flex: 0 0 auto; width: 38px; height: 38px; border-radius: 10px; display: grid; place-items: center; background: rgba(255,255,255,.05); color: var(--diag-acc2); }
.mmb-diag-alt-name { font-size: .95rem; font-weight: 600; }
.mmb-diag-alt-go { margin-left: auto; color: var(--diag-dim); }

.mmb-diag-more {
  margin-top: 1.8rem; padding: 1.2rem 1.3rem; border-radius: 16px; text-align: center;
  background: rgba(255,255,255,.03); border: 1px solid var(--diag-line);
}
.mmb-diag-more-title { font-size: .95rem; font-weight: 700; color: var(--diag-ink); margin: 0 0 .5rem; }
.mmb-diag-more-title i { color: var(--diag-acc2); margin-right: .4rem; }
.mmb-diag-more-text { font-size: .88rem; line-height: 1.6; color: var(--diag-dim); margin: 0 0 1rem; }
.mmb-diag-more .mmb-diag-cta { display: inline-flex; }

.mmb-diag-result-foot { text-align: center; margin-top: 1.6rem; }
.mmb-diag-restart { background: none; border: 1px solid var(--diag-line); color: var(--diag-dim); border-radius: .7rem; padding: .6rem 1.1rem; cursor: pointer; font-family: inherit; font-size: .9rem; transition: color .2s, border-color .2s; }
.mmb-diag-restart:hover { color: var(--diag-ink); border-color: var(--diag-ink); }
.mmb-diag-saved-note { font-size: .82rem; color: var(--diag-dim); margin-top: .9rem; }

/* Estado sin señal / error */
.mmb-diag-empty { text-align: center; padding: 1rem; }
.mmb-diag-empty i { font-size: 2rem; color: var(--diag-acc2); margin-bottom: .8rem; }

/* Cargando */
.mmb-diag-loading { text-align: center; color: var(--diag-dim); padding: 2rem 1rem; }
.mmb-diag-spin { display: inline-block; width: 34px; height: 34px; border: 3px solid var(--diag-line); border-top-color: var(--diag-acc2); border-radius: 50%; animation: mmb-diag-spin 1s linear infinite; }
@keyframes mmb-diag-spin { to { transform: rotate(360deg); } }

/* Transición entre pasos */
.mmb-diag-fade { animation: mmb-diag-fade .3s ease; }
@keyframes mmb-diag-fade { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ── noscript / footer ──────────────────────────────────── */
.mmb-diag-noscript { text-align: center; padding: 2rem; border: 1px solid var(--diag-line); border-radius: 16px; }
.mmb-diag-noscript p { color: var(--diag-dim); margin-bottom: 1rem; }
.mmb-diag-footer { text-align: center; padding: 1.5rem; border-top: 1px solid var(--diag-line); color: var(--diag-dim); font-size: .85rem; }
.mmb-diag-footer a { color: var(--diag-acc2); text-decoration: none; }
.mmb-diag-footer a:hover { text-decoration: underline; }

/* ── Responsive ─────────────────────────────────────────── */
@media (max-width: 560px) {
  .mmb-diag-back span { display: none; }
  .mmb-diag-alts { grid-template-columns: 1fr; }
  .mmb-diag-cta-row { flex-direction: column; }
  .mmb-diag-cta { justify-content: center; }
}

/* ── Modo claro (el design system alterna con [data-theme]) ── */
:root[data-theme="light"] .mmb-diag-body {
  --diag-ink: var(--mmb-ink, #0B1220);
  --diag-dim: var(--mmb-ink-dim, #4B5A70);
  --diag-line: var(--mmb-line, rgba(11,18,32,.14));
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(0,120,212,.08), transparent 60%),
    var(--mmb-bg, #F5F8FC);
}
:root[data-theme="light"] .mmb-diag-opt { background: rgba(0,0,0,.02); }
:root[data-theme="light"] .mmb-diag-main-name,
:root[data-theme="light"] .mmb-diag-cta-primary,
:root[data-theme="light"] .mmb-diag-btn-next { color: #04121f; }

/* ── Reduced motion ─────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  .mmb-diag-bar-fill, .mmb-diag-opt, .mmb-diag-btn-next, .mmb-diag-cta-primary { transition: none; }
  .mmb-diag-fade { animation: none; }
  .mmb-diag-spin { animation-duration: 0s; }
}