/**
 * PRINCE ALEX DIGITAL HMS — Form Styles
 * 
 * Styles for forms, inputs, labels, and form layouts.
 */

/* ─── Form Layout ──────────────────────────────────────────────────────────── */
.form-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--color-gray-200);
    padding: 24px;
}

.form-section {
    margin-bottom: 24px;
}

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

.form-section-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-800);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-gray-200);
}

.form-grid {
    display: grid;
    gap: 16px;
}

.form-grid-2 {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-grid-3 {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

@media (max-width: 768px) {
    .form-grid-2,
    .form-grid-3 {
        grid-template-columns: 1fr;
    }
}

/* ─── Form Groups ──────────────────────────────────────────────────────────── */
.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

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

.form-input {
    padding: 10px 14px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input.error {
    border-color: var(--color-error);
}

.form-input.error:focus {
    box-shadow: 0 0 0 3px var(--color-error-light);
}

.form-textarea {
    padding: 10px 14px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
    min-height: 100px;
    resize: vertical;
}

.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-select {
    padding: 10px 14px;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background: white;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    width: 100%;
}

.form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-100);
}

.form-select:disabled {
    background-color: var(--color-gray-100);
    cursor: not-allowed;
}

/* ─── Form Row ─────────────────────────────────────────────────────────────── */
.form-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
}

.form-row .form-group {
    flex: 1;
}

.form-row .form-group.fixed-width {
    flex: 0 0 120px;
}

@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 16px;
    }
    .form-row .form-group.fixed-width {
        flex: 1;
    }
}

/* ─── Form Actions ─────────────────────────────────────────────────────────── */
.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--color-gray-200);
    margin-top: 24px;
}

.form-actions .btn {
    min-width: 100px;
}

/* ─── Input Groups ─────────────────────────────────────────────────────────── */
.input-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.input-group .form-input {
    flex: 1;
}

.input-group .input-prefix {
    padding: 10px 14px;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--border-radius-sm) 0 0 var(--border-radius-sm);
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
}

.input-group .input-suffix {
    padding: 10px 14px;
    background-color: var(--color-gray-100);
    border: 1px solid var(--color-gray-300);
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    font-size: var(--font-size-base);
    color: var(--color-gray-500);
}

/* ─── Checkbox & Radio ─────────────────────────────────────────────────────── */
.checkbox-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.radio-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

.radio-group input[type="radio"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

/* ─── Form Error Messages ──────────────────────────────────────────────────── */
.form-error {
    color: var(--color-error);
    font-size: var(--font-size-xs);
    margin-top: 4px;
}

/* ─── File Upload ──────────────────────────────────────────────────────────── */
.file-upload {
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--border-radius);
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.file-upload:hover {
    border-color: var(--color-primary);
    background-color: var(--color-primary-50);
}

.file-upload .upload-icon {
    font-size: 2rem;
    margin-bottom: 8px;
    color: var(--color-gray-400);
}

.file-upload input[type="file"] {
    display: none;
}