.modal{
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 999;
  padding: 24px;
}
.modal.is-open{ display: flex; }

.modal__overlay{
  position: absolute;
  inset: 0;
  background: rgba(20, 25, 43, 0.55);
  backdrop-filter: blur(2px);
}

.modal__panel{
  position: relative;
  width: 100%;
  max-width: 440px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
  padding: 40px 36px;
  animation: modal-in .3s var(--ease);
}
@keyframes modal-in{
  from{ opacity:0; transform: translateY(16px) scale(.98); }
  to{ opacity:1; transform:none; }
}

.modal__close{
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: none;
  background: var(--color-surface-alt);
  color: var(--color-ink);
  font-size: 20px;
  line-height: 1;
}
.modal__close:hover{ background: var(--color-border); }

.modal__panel h3{ margin-bottom: 8px; }
.modal__panel .text-soft{ margin-bottom: 24px; }

.form-field{ margin-bottom: 18px; }
.form-field label{
  display:block;
  font-weight: 600;
  font-size: 14px;
  margin-bottom: 6px;
}
.form-field input[type="email"],
.form-field input[type="text"],
.form-field select,
.form-field textarea{
  width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border);
  font-family: var(--font-body);
  font-size: 15px;
}
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus{
  outline: none;
  border-color: var(--color-primary);
}

.radio-group{ display:flex; gap:12px; }
.radio-option{
  flex:1;
  display:flex;
  align-items:center;
  gap:8px;
  padding: 12px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor:pointer;
  font-size: 14px;
  transition: border-color .2s ease, background .2s ease;
}
.radio-option:has(input:checked){
  border-color: var(--color-primary);
  background: var(--color-primary-light);
}

.form-feedback{
  margin-top: 14px;
  font-size: 14px;
  text-align:center;
}
.form-feedback.is-success{ color: #1e824c; }
.form-feedback.is-error{ color:#c0392b; }

.btn[data-loading]{
  position: relative;
  color: transparent !important;
  pointer-events: none;
}
.btn[data-loading]::after{
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  top: 50%;
  left: 50%;
  margin: -9px 0 0 -9px;
  border: 2px solid rgba(0,0,0,0.25);
  border-top-color: currentColor;
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
}
@keyframes btn-spin{
  to{ transform: rotate(360deg); }
}