/* Form components */

.form-group {
  margin-bottom: var(--spacing-md);
}

.form-group:last-child {
  margin-bottom: 0;
}

/* Labels */
label {
  display: block;
  margin-bottom: var(--spacing-xs);
  font-weight: 500;
  color: var(--text-primary);
}

.required::after {
  content: " *";
  color: var(--error-color);
}

/* Form controls */
.form-control,
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="date"],
input[type="tel"],
input[type="url"],
select,
textarea {
  display: block;
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: inherit;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--white);
  background-clip: padding-box;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus,
input:focus,
select:focus,
textarea:focus {
  color: var(--text-primary);
  background-color: var(--white);
  border-color: var(--primary-color);
  outline: 0;
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.25);
}

.form-control::placeholder,
input::placeholder,
textarea::placeholder {
  color: var(--text-muted);
  opacity: 1;
}

.form-control:disabled,
input:disabled,
select:disabled,
textarea:disabled {
  background-color: var(--background-light);
  opacity: 1;
  cursor: not-allowed;
}

/* Form control sizes */
.form-control-sm {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-sm);
  border-radius: var(--radius-sm);
}

.form-control-lg {
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: var(--font-size-lg);
  border-radius: var(--radius-lg);
}

/* Select styling */
select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
  background-position: right var(--spacing-sm) center;
  background-repeat: no-repeat;
  background-size: 16px 12px;
  padding-right: var(--spacing-xl);
}

select::-ms-expand {
  display: none;
}

/* Textarea */
textarea {
  resize: vertical;
  min-height: 80px;
}

/* Checkbox and radio */
.checkbox-group,
.radio-group {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
}

.checkbox-label,
.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
  font-weight: normal;
  margin-bottom: 0;
}

input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin: 0;
  cursor: pointer;
}

/* Custom checkbox */
.custom-checkbox {
  position: relative;
  display: inline-block;
}

.custom-checkbox input[type="checkbox"] {
  opacity: 0;
  position: absolute;
  width: 18px;
  height: 18px;
}

.checkmark {
  position: relative;
  display: inline-block;
  width: 18px;
  height: 18px;
  background-color: var(--white);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
}

.checkmark::after {
  content: "";
  position: absolute;
  display: none;
  left: 5px;
  top: 2px;
  width: 4px;
  height: 8px;
  border: solid var(--white);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.custom-checkbox input[type="checkbox"]:checked + .checkmark::after {
  display: block;
}

/* Form validation states */
.form-control.is-valid,
input.is-valid,
select.is-valid,
textarea.is-valid {
  border-color: var(--success-color);
}

.form-control.is-valid:focus,
input.is-valid:focus,
select.is-valid:focus,
textarea.is-valid:focus {
  border-color: var(--success-color);
  box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.25);
}

.form-control.is-invalid,
input.is-invalid,
select.is-invalid,
textarea.is-invalid {
  border-color: var(--error-color);
}

.form-control.is-invalid:focus,
input.is-invalid:focus,
select.is-invalid:focus,
textarea.is-invalid:focus {
  border-color: var(--error-color);
  box-shadow: 0 0 0 2px rgba(244, 67, 54, 0.25);
}

/* Form feedback */
.form-help {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--text-muted);
}

.valid-feedback {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--success-color);
}

.invalid-feedback,
.field-error {
  display: block;
  margin-top: var(--spacing-xs);
  font-size: var(--font-size-sm);
  color: var(--error-color);
}

/* Input groups */
.input-group {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: stretch;
  width: 100%;
}

.input-group > .form-control,
.input-group > input {
  position: relative;
  flex: 1 1 auto;
  width: 1%;
  min-width: 0;
}

.input-group-prepend,
.input-group-append {
  display: flex;
}

.input-group-text {
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-base);
  font-weight: 400;
  line-height: 1.5;
  color: var(--text-secondary);
  text-align: center;
  white-space: nowrap;
  background-color: var(--background-light);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
}

.input-group > .input-group-prepend > .input-group-text {
  border-top-right-radius: 0;
  border-bottom-right-radius: 0;
}

.input-group > .input-group-append > .input-group-text {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group > .input-group-prepend + .form-control,
.input-group > .input-group-prepend + input {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

.input-group > .form-control + .input-group-append > .input-group-text,
.input-group > input + .input-group-append > .input-group-text {
  border-top-left-radius: 0;
  border-bottom-left-radius: 0;
}

/* Form row */
.form-row {
  display: flex;
  flex-wrap: wrap;
  margin-right: calc(var(--spacing-sm) / -2);
  margin-left: calc(var(--spacing-sm) / -2);
}

.form-row > .col,
.form-row > [class*="col-"] {
  padding-right: calc(var(--spacing-sm) / 2);
  padding-left: calc(var(--spacing-sm) / 2);
}

/* Search form */
.search-form {
  position: relative;
}

.search-input {
  padding-left: var(--spacing-xl);
}

.search-icon {
  position: absolute;
  left: var(--spacing-md);
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  pointer-events: none;
}

/* Mobile responsiveness */
@media (max-width: 768px) {
  .form-row {
    flex-direction: column;
  }
  
  .form-row > .col,
  .form-row > [class*="col-"] {
    width: 100%;
    padding-right: 0;
    padding-left: 0;
  }
}