/* Form Components - Reusable Form Elements */

/* Form Container */
.form-container {
    max-width: 800px;
    margin: 0 auto;
}

.form-card {
    background-color: var(--color-bg-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-8);
    box-shadow: var(--shadow-md);
}

/* Form Layout */
.form-row {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-6);
}

.form-row > * {
    flex: 1;
}

.form-group {
    margin-bottom: var(--space-6);
}

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

/* Labels */
.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-primary);
    margin-bottom: var(--space-2);
}

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

/* Inputs */
.form-control {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
    font-family: var(--font-sans);
    line-height: var(--line-normal);
    color: var(--color-text-primary);
    background-color: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.form-control:hover {
    border-color: var(--color-border-light);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    background-color: var(--color-bg-surface);
}

.form-control::placeholder {
    color: var(--color-text-muted);
}

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

/* Select */
select.form-control {
    cursor: pointer;
    padding-right: var(--space-10);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-3) center;
    background-size: 16px;
    appearance: none;
    -webkit-appearance: none;
    -moz-appearance: none;
}

select.form-control option {
    background-color: var(--color-bg-elevated);
    color: var(--color-text-primary);
}

/* Multi-select */
select[multiple].form-control {
    min-height: 120px;
    padding-right: var(--space-4);
    background-image: none;
}

select[multiple].form-control option {
    padding: var(--space-2);
    border-radius: var(--radius-sm);
}

select[multiple].form-control option:checked {
    background-color: var(--color-primary);
    background-image: linear-gradient(0deg, var(--color-primary) 0%, var(--color-primary) 100%);
}

/* Input States */
.form-control:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    background-color: var(--color-bg-primary);
}

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

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Help Text */
.form-help {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-text-muted);
}

/* Error Messages */
.form-error {
    display: block;
    margin-top: var(--space-2);
    font-size: var(--text-sm);
    color: var(--color-error);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    font-family: var(--font-sans);
    line-height: var(--line-tight);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    user-select: none;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-primary {
    color: white;
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-hover);
    border-color: var(--color-primary-hover);
}

.btn-primary:active:not(:disabled) {
    background-color: var(--color-primary-active);
    border-color: var(--color-primary-active);
}

.btn-secondary {
    color: var(--color-text-primary);
    background-color: var(--color-bg-elevated);
    border-color: var(--color-border);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--color-bg-hover);
    border-color: var(--color-border-light);
}

.btn-ghost {
    color: var(--color-text-secondary);
    background-color: transparent;
    border-color: transparent;
}

.btn-ghost:hover:not(:disabled) {
    color: var(--color-text-primary);
    background-color: var(--color-bg-elevated);
}

.btn-sm {
    padding: var(--space-2) var(--space-4);
    font-size: var(--text-sm);
}

.btn-lg {
    padding: var(--space-4) var(--space-8);
    font-size: var(--text-lg);
}

/* Button Group */
.btn-group {
    display: flex;
    gap: var(--space-3);
    margin-top: var(--space-8);
}

.btn-group.justify-end {
    justify-content: flex-end;
}

.btn-group.justify-between {
    justify-content: space-between;
}

/* Alert/Flash Messages */
.alert {
    padding: var(--space-4) var(--space-5);
    border-radius: var(--radius-md);
    border: 1px solid;
    margin-bottom: var(--space-6);
    font-size: var(--text-sm);
    line-height: var(--line-normal);
}

.alert-success {
    color: #d1fae5;
    background-color: rgba(16, 185, 129, 0.1);
    border-color: var(--color-success);
}

.alert-error {
    color: #fecaca;
    background-color: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error);
}

.alert-warning {
    color: #fef3c7;
    background-color: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning);
}

/* Checkbox */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
    user-select: none;
}

.form-check-input {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-sm);
    background-color: var(--color-bg-elevated);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

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

.form-check-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-check-input:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: translate(-50%, -60%) rotate(45deg);
}

.form-check-label {
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-text-secondary);
    cursor: pointer;
}

/* Switch variant */
.form-check-input[role="switch"] {
    width: 44px;
    height: 24px;
    border-radius: var(--radius-full);
    background-color: var(--color-bg-elevated);
    border: 2px solid var(--color-border);
}

.form-check-input[role="switch"]::after {
    content: '';
    position: absolute;
    left: 2px;
    top: 50%;
    transform: translateY(-50%);
    width: 16px;
    height: 16px;
    border-radius: var(--radius-full);
    background-color: var(--color-text-muted);
    transition: all var(--transition-fast);
    border: none;
}

.form-check-input[role="switch"]:checked {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.form-check-input[role="switch"]:checked::after {
    left: calc(100% - 18px);
    background-color: white;
}

/* Radio buttons */
.form-radio-input {
    appearance: none;
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-full);
    background-color: var(--color-bg-elevated);
    cursor: pointer;
    position: relative;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.form-radio-input:hover {
    border-color: var(--color-primary);
}

.form-radio-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

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

.form-radio-input:checked::after {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 10px;
    height: 10px;
    border-radius: var(--radius-full);
    background-color: var(--color-primary);
}