/* 
 * Forms CSS für wissen4vertrieb.de
 * Definiert Formular-Stile und Eingabeelemente
 */

/* Formular-Gruppe */
.form-group {
  margin-bottom: var(--spacing-md);
}

/* Labels */
.form-label {
  display: inline-block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
}

/* Eingabefelder */
.form-control {
  display: block;
  width: 100%;
  padding: 0.5rem 0.75rem;
  font-size: var(--text-base);
  line-height: 1.5;
  color: var(--text-color);
  background-color: var(--background-color);
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius-sm);
  transition: border-color var(--transition-fast) ease-in-out, 
              box-shadow var(--transition-fast) ease-in-out;
}

.form-control:focus {
  color: var(--text-color);
  background-color: var(--background-color);
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 0.2rem rgba(12, 192, 223, 0.25);
}

.form-control::placeholder {
  color: var(--light-text-color);
  opacity: 0.7;
}

.form-control:disabled,
.form-control[readonly] {
  background-color: #e9ecef;
  opacity: 1;
}

/* Formular-Größen */
.form-control-sm {
  padding: 0.25rem 0.5rem;
  font-size: var(--text-sm);
  border-radius: calc(var(--border-radius-sm) * 0.8);
}

.form-control-lg {
  padding: 0.75rem 1rem;
  font-size: var(--text-lg);
  border-radius: calc(var(--border-radius-sm) * 1.2);
}

/* Textbereiche */
textarea.form-control {
  height: auto;
  min-height: 100px;
  resize: vertical;
}

/* Checkboxen und Radio-Buttons */
.form-check {
  position: relative;
  display: block;
  padding-left: 1.5rem;
  margin-bottom: var(--spacing-xs);
}

.form-check-input {
  position: absolute;
  margin-top: 0.25rem;
  margin-left: -1.5rem;
}

.form-check-label {
  margin-bottom: 0;
}

/* Inline-Checkboxen und Radio-Buttons */
.form-check-inline {
  display: inline-flex;
  align-items: center;
  padding-left: 0;
  margin-right: 0.75rem;
}

.form-check-inline .form-check-input {
  position: static;
  margin-top: 0;
  margin-right: 0.3125rem;
  margin-left: 0;
}

/* Auswahlfelder */
select.form-control {
  padding-right: 2rem;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='4' viewBox='0 0 8 4'%3E%3Cpath fill='%23343a40' d='M0 0l4 4 4-4z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 8px 4px;
  appearance: none;
}

select.form-control:focus::-ms-value {
  color: var(--text-color);
  background-color: var(--background-color);
}

/* Datei-Upload */
.form-control-file {
  display: block;
  width: 100%;
}

/* Validierungsstile */
.was-validated .form-control:valid,
.form-control.is-valid {
  border-color: #28a745;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='8' height='8' viewBox='0 0 8 8'%3E%3Cpath fill='%2328a745' d='M2.3 6.73L.6 4.53c-.4-1.04.46-1.4 1.1-.8l1.1 1.4 3.4-3.8c.6-.63 1.6-.27 1.2.7l-4 4.6c-.43.5-.8.4-1.1.1z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.was-validated .form-control:invalid,
.form-control.is-invalid {
  border-color: #dc3545;
  padding-right: calc(1.5em + 0.75rem);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='none' stroke='%23dc3545' viewBox='0 0 12 12'%3E%3Ccircle cx='6' cy='6' r='4.5'/%3E%3Cpath stroke-linejoin='round' d='M5.8 3.6h.4L6 6.5z'/%3E%3Ccircle cx='6' cy='8.2' r='.6' fill='%23dc3545' stroke='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right calc(0.375em + 0.1875rem) center;
  background-size: calc(0.75em + 0.375rem) calc(0.75em + 0.375rem);
}

.valid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: var(--text-sm);
  color: #28a745;
}

.invalid-feedback {
  display: none;
  width: 100%;
  margin-top: 0.25rem;
  font-size: var(--text-sm);
  color: #dc3545;
}

.was-validated .form-control:valid ~ .valid-feedback,
.form-control.is-valid ~ .valid-feedback {
  display: block;
}

.was-validated .form-control:invalid ~ .invalid-feedback,
.form-control.is-invalid ~ .invalid-feedback {
  display: block;
}

/* Formular-Layout */
.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -5px;
  margin-left: -5px;
}

.form-row > .col,
.form-row > [class*="col-"] {
  padding-right: 5px;
  padding-left: 5px;
}

.form-inline {
  display: flex;
  flex-flow: row wrap;
  align-items: center;
}

@media (min-width: 576px) {
  .form-inline .form-control {
    display: inline-block;
    width: auto;
    vertical-align: middle;
  }
  
  .form-inline .form-group {
    display: flex;
    flex: 0 0 auto;
    flex-flow: row wrap;
    align-items: center;
    margin-bottom: 0;
  }
  
  .form-inline .form-check {
    width: auto;
    padding-left: 0;
  }
}