/* ============================================================================
   Metrava Systems — Diagnóstico · progressive form styles
   Light-operational. Depends on metrava-tokens.css + site.css.
   ========================================================================== */

.mv-diag { max-width: 640px; margin: 0 auto; }

.mv-diag__card {
  background: var(--metrava-surface);
  border: 1px solid var(--metrava-border);
  border-radius: 14px;
  box-shadow: 0 16px 40px -26px rgba(20, 23, 28, 0.16);
  overflow: hidden;
}

.mv-diag__head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px; border-bottom: 1px solid var(--metrava-divider);
}
.mv-diag__brand { display: flex; align-items: center; gap: 9px; color: var(--metrava-text-primary); }
.mv-diag__brand span { font: 600 13px var(--metrava-font-ui); color: var(--metrava-text-primary); }
.mv-diag__counter { font: 500 11px var(--metrava-font-mono); letter-spacing: 0.06em; color: var(--metrava-text-muted); }

.mv-diag__progress { height: 3px; background: var(--metrava-divider); position: relative; }
.mv-diag__progress-fill { display: block; height: 100%; background: var(--metrava-brand); border-radius: 0 2px 2px 0; transition: width 0.35s cubic-bezier(0.4, 0, 0.2, 1); }

.mv-diag__body { padding: 30px 26px; animation: mvDiagIn 0.32s cubic-bezier(0.16, 1, 0.3, 1); }
.mv-diag__body.is-instant { animation: none; }
@keyframes mvDiagIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .mv-diag__body { animation: none; } .mv-diag__progress-fill { transition: none; } }

.mv-diag__eyebrow { font: 500 11px var(--metrava-font-mono); letter-spacing: 0.14em; text-transform: uppercase; color: var(--metrava-brand); }
.mv-diag__hint { float: right; font: 400 11.5px var(--metrava-font-ui); color: var(--metrava-text-muted); }
.mv-diag__q { font: 700 21px/1.2 var(--metrava-font-display); letter-spacing: -0.015em; color: var(--metrava-text-primary); margin: 10px 0 22px; }

/* Options */
.mv-diag__options { display: flex; flex-direction: column; gap: 10px; }
.mv-diag__options--multi { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.mv-diag__opt {
  display: flex; align-items: center; gap: 13px;
  width: 100%; min-height: 52px; text-align: left;
  padding: 14px 16px;
  background: var(--metrava-surface);
  border: 1px solid var(--metrava-border);
  border-radius: 10px;
  transition: border-color 0.14s ease, background-color 0.14s ease;
}
.mv-diag__opt:hover { border-color: var(--metrava-text-muted); }
.mv-diag__opt.is-sel { border: 1.5px solid var(--metrava-brand); background: var(--metrava-brand-soft); }
.mv-diag__opt-label { font: 500 14.5px var(--metrava-font-ui); color: var(--metrava-text-primary); display: flex; flex-direction: column; gap: 2px; }
.mv-diag__opt.is-sel .mv-diag__opt-label { font-weight: 600; }
.mv-diag__opt-note { font: 400 12px var(--metrava-font-ui); color: var(--metrava-text-muted); }

.mv-diag__radio { width: 18px; height: 18px; border-radius: 50%; border: 2px solid var(--metrava-brand-outline); flex: none; position: relative; transition: border-color 0.14s ease; }
.mv-diag__opt.is-sel .mv-diag__radio { border-color: var(--metrava-brand); }
.mv-diag__opt.is-sel .mv-diag__radio::after { content: ""; position: absolute; inset: 3px; border-radius: 50%; background: var(--metrava-brand); }

.mv-diag__check { width: 18px; height: 18px; border-radius: 5px; border: 2px solid var(--metrava-brand-outline); flex: none; position: relative; transition: all 0.14s ease; }
.mv-diag__opt.is-sel .mv-diag__check { border-color: var(--metrava-brand); background: var(--metrava-brand); }
.mv-diag__opt.is-sel .mv-diag__check::after { content: ""; position: absolute; left: 5px; top: 1px; width: 4px; height: 9px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }

/* Conditional reveal */
.mv-diag__reveal {
  margin-top: 10px; padding: 16px;
  background: var(--metrava-background);
  border: 1px dashed var(--metrava-brand-outline);
  border-radius: 10px;
}
.mv-diag__reveal-label { display: block; font: 500 12px var(--metrava-font-ui); color: var(--metrava-text-secondary); margin-bottom: 10px; }
.mv-diag__chips { display: flex; flex-wrap: wrap; gap: 8px; }
.mv-diag__chip {
  font: 500 13px var(--metrava-font-ui); color: var(--metrava-text-secondary);
  background: var(--metrava-surface); border: 1px solid var(--metrava-border);
  padding: 9px 14px; border-radius: 100px; min-height: 40px;
}
.mv-diag__chip.is-sel { border: 1.5px solid var(--metrava-brand); background: var(--metrava-brand-soft); color: var(--metrava-text-primary); }

/* Inputs */
.mv-diag__input {
  width: 100%; font: 400 14.5px var(--metrava-font-ui); color: var(--metrava-text-primary);
  background: var(--metrava-surface); border: 1px solid var(--metrava-border);
  border-radius: 9px; padding: 12px 14px; min-height: 46px;
  transition: border-color 0.14s ease, box-shadow 0.14s ease;
}
.mv-diag__reveal .mv-diag__input { margin-top: 4px; }
.mv-diag__input::placeholder { color: var(--metrava-text-muted); }
.mv-diag__input:focus { outline: none; border-color: var(--metrava-brand); box-shadow: 0 0 0 3px var(--metrava-brand-soft); }
.mv-diag__textarea { resize: vertical; min-height: 84px; line-height: 1.5; }
select.mv-diag__input { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M2 4l4 4 4-4' stroke='%238A8F99' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 14px center; padding-right: 34px; }

/* Fields grid */
.mv-diag__fields { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.mv-diag__field { display: flex; flex-direction: column; gap: 6px; }
.mv-diag__field--full { grid-column: 1 / -1; }
.mv-diag__flabel { font: 500 12px var(--metrava-font-ui); color: var(--metrava-text-secondary); }
.mv-diag__flabel span { color: var(--metrava-brand); }
.mv-diag__consent { display: flex; align-items: flex-start; gap: 10px; font: 400 13px/1.5 var(--metrava-font-ui); color: var(--metrava-text-secondary); cursor: pointer; }
.mv-diag__consent input { width: 18px; height: 18px; margin-top: 1px; accent-color: var(--metrava-brand); flex: none; }

/* Error */
.mv-diag__error { min-height: 18px; padding: 6px 26px 0; font: 500 12.5px var(--metrava-font-ui); color: var(--metrava-danger); }
.mv-diag__error:empty { padding: 0; }

/* Footer nav */
.mv-diag__foot { display: flex; align-items: center; justify-content: space-between; padding: 18px 26px 24px; gap: 14px; }
.mv-diag__back { background: none; border: none; font: 600 13.5px var(--metrava-font-ui); color: var(--metrava-text-secondary); padding: 10px 4px; min-height: 44px; }
.mv-diag__back:hover { color: var(--metrava-text-primary); }
.mv-diag__back:disabled { color: var(--metrava-brand-outline); cursor: default; }
.mv-diag__next { min-width: 150px; }
.mv-diag__next:disabled { background: var(--metrava-brand-outline); cursor: not-allowed; }
.mv-diag__next.is-loading { opacity: 0.8; cursor: wait; }

/* Review */
.mv-diag__reviewsub { font: 400 14px/1.5 var(--metrava-font-ui); color: var(--metrava-text-secondary); margin: -12px 0 20px; }
.mv-diag__summary { display: flex; flex-direction: column; border: 1px solid var(--metrava-border); border-radius: 10px; overflow: hidden; }
.mv-diag__srow { display: grid; grid-template-columns: 0.7fr 1.3fr auto; gap: 12px; align-items: center; padding: 13px 16px; }
.mv-diag__srow:nth-child(odd) { background: var(--metrava-muted-surface); }
.mv-diag__slabel { font: 500 12px var(--metrava-font-mono); text-transform: uppercase; letter-spacing: 0.04em; color: var(--metrava-text-muted); }
.mv-diag__svalue { font: 500 13.5px var(--metrava-font-ui); color: var(--metrava-text-primary); }
.mv-diag__edit { background: none; border: none; font: 600 12.5px var(--metrava-font-ui); color: var(--metrava-brand); padding: 8px 6px; min-height: 40px; }
.mv-diag__edit:hover { text-decoration: underline; }

/* Honeypot */
.mv-hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; pointer-events: none; }

@media (max-width: 560px) {
  .mv-diag__options--multi { grid-template-columns: 1fr; }
  .mv-diag__fields { grid-template-columns: 1fr; }
  .mv-diag__body { padding: 24px 18px; }
  .mv-diag__srow { grid-template-columns: 1fr auto; }
  .mv-diag__slabel { grid-column: 1 / -1; }
}