*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --color-primary: #9D84C1;
  --color-error: #dc2626;
}

/* Message area */
.message {
  padding: 0.75rem 1rem;
  border-radius: 12px;
  margin-bottom: 1rem;
  font-size: 0.9375rem;
  display: none;
}

.message.visible {
  display: block;
}

.message.success {
  background-color: #d1fae5;
  color: #065f46;
  border: 1px solid #a7f3d0;
}

.message.error {
  background-color: #fee2e2;
  color: #991b1b;
  border: 1px solid #fecaca;
}

.required {
  color: var(--color-error);
}

/* Info icon with tooltip */
.info-icon-wrap {
  position: relative;
  display: inline-flex;
  margin-left: 0.25rem;
}

.info-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  font-size: 0.75rem;
  font-weight: 600;
  font-style: italic;
  color: #64748b;
  background-color: #e2e8f0;
  border-radius: 50%;
  cursor: help;
  transition: color 0.15s, background-color 0.15s;
}

.info-icon:hover {
  color: var(--color-primary);
  background-color: rgba(157, 132, 193, 0.2);
}

.info-icon:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--color-primary);
}

.info-icon-wrap.active .tooltip-popover {
  visibility: visible;
  opacity: 1;
}

.tooltip-popover {
  position: absolute;
  left: 0;
  top: 100%;
  z-index: 10;
  margin-top: 0.25rem;
  padding: 0.5rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 400;
  color: #1e293b;
  background: #ffffff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  visibility: hidden;
  opacity: 0;
  transition: opacity 0.15s, visibility 0.15s;
  max-width: 280px;
  white-space: normal;
}

/* Button loading state */
.btn-submit .btn-loading {
  display: none;
}

.btn-submit.loading .btn-text {
  display: none;
}

.btn-submit.loading .btn-loading {
  display: inline;
}

/* Number inputs: hide spin buttons */
input[type="number"] {
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Validation: highlight invalid fields */
input:invalid:not(:placeholder-shown):not(:focus),
select:invalid:not([value=""]):not(:focus),
textarea:invalid:not(:placeholder-shown):not(:focus) {
  border-color: var(--color-error) !important;
}