/* ─────────────────────────────────────────
   captcha-modal.css
   Modal flotante de verificación de seguridad
   Depende de las CSS variables definidas en style.css
───────────────────────────────────────── */

/* ── Overlay ────────────────────────────────────────────────────────────── */
.captcha-overlay {
  position: fixed;
  inset: 0;
  background: rgba(17, 24, 39, .55);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  z-index: 900;
  /* estado oculto */
  opacity: 0;
  pointer-events: none;
  transition: opacity .22s ease;
}
.captcha-overlay.captcha-open {
  opacity: 1;
  pointer-events: auto;
}

/* ── Caja del modal ─────────────────────────────────────────────────────── */
.captcha-modal-box {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem 1.75rem 1.75rem;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 24px 64px rgba(0, 0, 0, .22);
  position: relative;
  /* animación de entrada */
  transform: translateY(20px) scale(.97);
  transition: transform .28s cubic-bezier(.34, 1.36, .64, 1);
}
.captcha-overlay.captcha-open .captcha-modal-box {
  transform: translateY(0) scale(1);
}

/* ── Botón cerrar (×) ───────────────────────────────────────────────────── */
.captcha-close-btn {
  position: absolute;
  top: .9rem;
  right: .9rem;
  width: 30px;
  height: 30px;
  border: none;
  background: var(--gray-100);
  color: var(--gray-500);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.captcha-close-btn:hover { background: var(--gray-200); color: var(--gray-700); }

/* ── Encabezado ─────────────────────────────────────────────────────────── */
.captcha-modal-head {
  display: flex;
  align-items: center;
  gap: .55rem;
  margin-bottom: .4rem;
}
.captcha-modal-head svg { color: var(--blue-600); flex-shrink: 0; }
.captcha-modal-head h2 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--gray-900);
  margin: 0;
}
.captcha-modal-sub {
  font-size: .8rem;
  color: var(--gray-500);
  margin-bottom: 1.25rem;
  line-height: 1.5;
}

/* ── Fila de imagen captcha ─────────────────────────────────────────────── */
.captcha-img-row {
  display: flex;
  align-items: center;
  gap: .7rem;
  background: var(--gray-50);
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: .5rem .75rem;
  margin-bottom: .8rem;
}
.captcha-img-tag {
  flex: 1;
  height: 52px;
  border-radius: 4px;
  object-fit: contain;
  display: block;
  user-select: none;
}
.captcha-refresh-btn {
  width: 34px;
  height: 34px;
  border: 1px solid var(--gray-300);
  background: var(--white);
  color: var(--blue-700);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s, border-color .15s;
}
.captcha-refresh-btn:hover { background: var(--blue-50); border-color: #93C5FD; }

/* ── Input del código ───────────────────────────────────────────────────── */
.captcha-code-input {
  width: 100%;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--radius);
  padding: .72rem 1rem;
  font-family: 'Poppins', sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--gray-900);
  letter-spacing: .35em;
  text-align: center;
  text-transform: uppercase;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
  box-sizing: border-box;
}
.captcha-code-input:focus {
  border-color: var(--blue-500);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, .15);
}
.captcha-code-input::placeholder {
  letter-spacing: .2em;
  color: var(--gray-300);
  font-weight: 400;
}

/* ── Mensaje de error ───────────────────────────────────────────────────── */
.captcha-error {
  font-size: .78rem;
  color: #DC2626;
  font-weight: 500;
  min-height: 1.15em;
  margin-top: .45rem;
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity .15s, transform .15s;
}
.captcha-error.captcha-error--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ── Botones de acción ──────────────────────────────────────────────────── */
.captcha-modal-actions {
  display: flex;
  gap: .6rem;
  margin-top: 1.25rem;
}
.captcha-btn-cancel {
  flex: 1;
  border: 1.5px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-600);
  border-radius: 999px;
  padding: .68rem;
  font-family: 'Poppins', sans-serif;
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.captcha-btn-cancel:hover { background: var(--gray-50); }

.captcha-btn-verify {
  flex: 2;
  border: none;
  background: var(--blue-600);
  color: var(--white);
  border-radius: 999px;
  padding: .68rem;
  font-family: 'Poppins', sans-serif;
  font-size: .85rem;
  font-weight: 700;
  cursor: pointer;
  transition: background .15s;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .5rem;
}
.captcha-btn-verify:hover:not(:disabled) { background: var(--blue-700); }
.captcha-btn-verify:disabled { opacity: .65; cursor: not-allowed; }

/* ── Spinner dentro del botón verificar ─────────────────────────────────── */
.captcha-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid rgba(255, 255, 255, .3);
  border-top-color: #fff;
  border-radius: 50%;
  animation: captcha-spin .7s linear infinite;
  display: none;
  flex-shrink: 0;
}
.captcha-btn--loading .captcha-spinner { display: block; }
.captcha-btn--loading .captcha-btn-label { opacity: .75; }

@keyframes captcha-spin {
  to { transform: rotate(360deg); }
}