/* Form Components */

/* Form groups */
.form-group {
    margin-bottom: var(--spacing-lg);
}

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

/* Labels */
.form-label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: var(--font-weight-medium);
    color: var(--form-label);
    font-size: var(--font-size-base);
}

.form-label.required::after {
    content: ' *';
    color: var(--danger-color);
}

/* Input fields */
.form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--form-text);
    background-color: var(--form-bg);
    background-clip: padding-box;
    border: var(--border-width) solid var(--form-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.form-control:focus {
    color: var(--form-text);
    background-color: var(--form-bg);
    border-color: var(--form-border-focus);
    outline: 0;
    box-shadow: 0 0 0 2px var(--focus-ring);
}

.form-control:disabled,
.form-control[readonly] {
    background-color: var(--bg-quaternary);
    opacity: 1;
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--form-placeholder);
    opacity: 1;
}

/* Input sizes */
.form-control-sm {
    padding: 8px 12px;
    font-size: var(--font-size-sm);
}

.form-control-lg {
    padding: 16px 20px;
    font-size: var(--font-size-lg);
}

/* Textarea */
textarea.form-control {
    min-height: 120px;
    resize: vertical;
}

/* Select */
.form-select {
    display: block;
    width: 100%;
    padding: 12px 40px 12px 16px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--form-text);
    background-color: var(--form-bg);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23e2e8f0' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m1 6 7 7 7-7'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px 12px;
    border: var(--border-width) solid var(--form-border);
    border-radius: var(--border-radius);
    transition: var(--transition);
    appearance: none;
}

.form-select:focus {
    border-color: var(--form-border-focus);
    outline: 0;
    box-shadow: 0 0 0 2px var(--focus-ring);
}

.form-select:disabled {
    background-color: var(--bg-quaternary);
    cursor: not-allowed;
}

/* Checkboxes and radios */
.form-check {
    display: block;
    min-height: 24px;
    padding-left: 32px;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    margin-left: -32px;
    vertical-align: top;
    background-color: var(--form-bg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: contain;
    border: var(--border-width) solid var(--form-border);
    appearance: none;
    print-color-adjust: exact;
    transition: var(--transition);
}

.form-check-input[type="checkbox"] {
    border-radius: var(--border-radius-sm);
}

.form-check-input[type="radio"] {
    border-radius: var(--border-radius-full);
}

.form-check-input:active {
    filter: brightness(90%);
}

.form-check-input:focus {
    border-color: var(--form-border-focus);
    outline: 0;
    box-shadow: 0 0 0 2px var(--focus-ring);
}

.form-check-input:checked {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.form-check-input:checked[type="checkbox"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3e%3cpath fill='none' stroke='%23fff' stroke-linecap='round' stroke-linejoin='round' stroke-width='3' d='m6 10 3 3 6-6'/%3e%3c/svg%3e");
}

.form-check-input:checked[type="radio"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='-4 -4 8 8'%3e%3ccircle r='2' fill='%23fff'/%3e%3c/svg%3e");
}

.form-check-input:disabled {
    pointer-events: none;
    filter: none;
    opacity: 0.5;
}

.form-check-label {
    color: var(--form-label);
    cursor: pointer;
}

/* Inline forms */
.form-check-inline {
    display: inline-block;
    margin-right: var(--spacing-lg);
}

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

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

.input-group-text {
    display: flex;
    align-items: center;
    padding: 12px 16px;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-normal);
    line-height: var(--line-height-normal);
    color: var(--text-muted);
    text-align: center;
    white-space: nowrap;
    background-color: var(--bg-quaternary);
    border: var(--border-width) solid var(--form-border);
}

.input-group > :not(:first-child):not(.dropdown-menu):not(.valid-tooltip):not(.valid-feedback):not(.invalid-tooltip):not(.invalid-feedback) {
    margin-left: -1px;
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
}

.input-group > :not(:last-child):not(.dropdown-toggle):not(.dropdown-menu) {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
}

/* Form validation */
.form-control.is-valid {
    border-color: var(--success-color);
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 8 8'%3e%3cpath fill='%2328a745' d='m2.3 6.73.94-.94 1.38 1.38 3.72-3.72.94.94-4.66 4.66z'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px 16px;
}

.form-control.is-valid:focus {
    border-color: var(--success-color);
    box-shadow: 0 0 0 2px rgba(72, 187, 120, 0.25);
}

.form-control.is-invalid {
    border-color: var(--danger-color);
    padding-right: 40px;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12' width='12' height='12' fill='none' stroke='%23dc3545'%3e%3ccircle cx='6' cy='6' r='4.5'/%3e%3cpath d='m5.8 4.6 1.4 1.4M7.2 7.4 5.8 6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px 16px;
}

.form-control.is-invalid:focus {
    border-color: var(--danger-color);
    box-shadow: 0 0 0 2px rgba(245, 101, 101, 0.25);
}

.valid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--success-color);
}

.invalid-feedback {
    display: none;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--danger-color);
}

.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;
}

/* Form text */
.form-text {
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--form-placeholder);
}

/* Floating labels */
.form-floating {
    position: relative;
}

.form-floating > .form-control,
.form-floating > .form-select {
    height: calc(3.5rem + 2px);
    line-height: 1.25;
    padding: 1rem 0.75rem;
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: var(--border-width) solid transparent;
    transform-origin: 0 0;
    transition: var(--transition);
}

.form-floating > .form-control:focus ~ label,
.form-floating > .form-control:not(:placeholder-shown) ~ label,
.form-floating > .form-select ~ label {
    opacity: 0.65;
    transform: scale(0.85) translateY(-0.5rem) translateX(0.15rem);
}

/* Responsive forms */
@media (max-width: 768px) {
    .form-control,
    .form-select {
        font-size: var(--font-size-base);
    }
    
    .form-control-lg {
        padding: 14px 18px;
        font-size: var(--font-size-base);
    }
}

@media (max-width: 480px) {
    .form-check {
        padding-left: 28px;
    }
    
    .form-check-input {
        margin-left: -28px;
    }
}