/* NGC Form Validation — animated, accessible, design-system aligned. */

/* Progress bar */
.ngc-form-progress {
  height: 4px; background: #e2e8f0; border-radius: 999px; margin-bottom: 20px;
  overflow: hidden; position: relative;
}
.ngc-form-progress-inner {
  height: 100%; width: 0; background: linear-gradient(90deg, #2563eb, #15803d);
  border-radius: 999px; transition: width .4s cubic-bezier(.19,1,.22,1);
}

/* Field group states */
.ngc-field-group { position: relative; display: flex; flex-direction: column; gap: 6px; }
.ngc-field-group label { font-size: 13px; font-weight: 600; color: #334155; }

.ngc-field-group input,
.ngc-field-group select,
.ngc-field-group textarea {
  width: 100%; padding: 12px 14px; border: 2px solid #e2e8f0; border-radius: 10px;
  font: inherit; font-size: 14px; color: #0f172a; background: #fff; outline: none;
  transition: border-color .18s ease, box-shadow .18s ease;
}
.ngc-field-group input:focus,
.ngc-field-group select:focus,
.ngc-field-group textarea:focus {
  border-color: #2563eb;
  box-shadow: 0 0 0 3px rgba(37,99,235,.15);
}

/* Valid state */
.ngc-field-group.is-valid input,
.ngc-field-group.is-valid select,
.ngc-field-group.is-valid textarea {
  border-color: #15803d;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%2315803d' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m20 6-11 11-5-5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 42px;
}

/* Error state */
.ngc-field-group.has-error input,
.ngc-field-group.has-error select,
.ngc-field-group.has-error textarea {
  border-color: #dc2626;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23dc2626' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='9'/%3E%3Cpath d='M12 8v4m0 4h.01'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  background-size: 18px;
  padding-right: 42px;
}

/* Error message */
.ngc-field-error {
  display: block; font-size: 12px; font-weight: 600; color: #dc2626;
  min-height: 0; max-height: 0; opacity: 0; overflow: hidden;
  transform: translateY(-4px);
  transition: max-height .22s ease, opacity .22s ease, transform .22s ease;
}
.ngc-field-error.is-visible {
  max-height: 40px; opacity: 1; transform: translateY(0);
}
.ngc-field-error.ngc-err-exit {
  opacity: 0; transform: translateY(-4px);
}

/* Shake animation */
@keyframes ngc-shake {
  0%,100% { transform: translateX(0); }
  15%      { transform: translateX(-8px); }
  30%      { transform: translateX(7px); }
  45%      { transform: translateX(-6px); }
  60%      { transform: translateX(5px); }
  75%      { transform: translateX(-3px); }
}
.ngc-shake { animation: ngc-shake .45s cubic-bezier(.36,.07,.19,.97) both; }

/* Spinner on submit button */
.ngc-btn-spinner {
  display: inline-block; width: 16px; height: 16px;
  border: 2px solid rgba(255,255,255,.4);
  border-top-color: #fff;
  border-radius: 50%;
  animation: ngc-spin .7s linear infinite;
  vertical-align: middle; margin-left: 8px;
}
@keyframes ngc-spin { to { transform: rotate(360deg); } }

/* Tooltip-style hint */
.ngc-field-hint { font-size: 11px; color: #64748b; }