/* ==========================================================
   استایل فرم‌ها
   شامل: Input, Select, Textarea, Checkbox, Radio, Form Layout
   ========================================================== */

/* ==========================
   فیلدهای فرم
   ========================== */
.Form_field {
    margin-bottom: var(--space-4);
}

.Form_label {
    display: block;
    margin-bottom: var(--space-2);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.Form_label_required::after {
    content: ' *';
    color: var(--color-error);
}

.Form_input,
.Form_select,
.Form_textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-card);
    transition: all var(--transition-fast);
}

.Form_input:focus,
.Form_select:focus,
.Form_textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(11, 37, 69, 0.1);
}

.Form_input::placeholder,
.Form_textarea::placeholder {
    color: var(--color-text-light);
}

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

.Form_input--error:focus {
    box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.Form_input--success {
    border-color: var(--color-success);
}

.Form_textarea {
    min-height: 120px;
    resize: vertical;
    line-height: var(--line-height-base);
}

.Form_select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: left 1rem center;
    background-size: 20px;
    padding-left: 2.75rem;
    cursor: pointer;
}

/* فیلد با آیکون */
.Form_field--with-icon {
    position: relative;
}

.Form_fieldIcon {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.Form_field--with-icon .Form_input {
    padding-right: 2.75rem;
}

/* فیلد با دکمه */
.Form_field--with-button .Form_input {
    padding-left: 5rem;
}

.Form_fieldButton {
    position: absolute;
    left: 0.375rem;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: none;
    border: none;
    color: var(--color-text-muted);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.Form_fieldButton:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-alt);
}

/* راهنما و خطا */
.Form_help {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

.Form_error {
    font-size: var(--font-size-xs);
    color: var(--color-error);
    margin-top: var(--space-1);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

/* ==========================
   Checkbox و Radio
   ========================== */
.Form_check {
    display: flex;
    align-items: flex-start;
    gap: var(--space-2);
    cursor: pointer;
    margin-bottom: var(--space-3);
}

.Form_check input {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
}

.Form_check label {
    font-size: var(--font-size-sm);
    color: var(--color-text);
    cursor: pointer;
    user-select: none;
    line-height: var(--line-height-base);
}

/* ==========================
   سوئیچ
   ========================== */
.Form_switch {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    cursor: pointer;
}

.Form_switch input {
    position: absolute;
    opacity: 0;
    width: 0;
    height: 0;
}

.Form_switch_slider {
    position: relative;
    width: 44px;
    height: 24px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    transition: background-color var(--transition-base);
}

.Form_switch_slider::before {
    content: '';
    position: absolute;
    top: 3px;
    right: 3px;
    width: 18px;
    height: 18px;
    background-color: #fff;
    border-radius: 50%;
    transition: transform var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.Form_switch input:checked + .Form_switch_slider {
    background-color: var(--color-primary);
}

.Form_switch input:checked + .Form_switch_slider::before {
    transform: translateX(-20px);
}

/* ==========================
   گروه فیلدها
   ========================== */
.Form_row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.Form_row--3 {
    grid-template-columns: repeat(3, 1fr);
}

/* ==========================
   آپلود فایل
   ========================== */
.Form_upload {
    position: relative;
    border: 2px dashed var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-6);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    background-color: var(--color-bg-alt);
}

.Form_upload:hover,
.Form_upload--dragover {
    border-color: var(--color-primary);
    background-color: rgba(11, 37, 69, 0.03);
}

.Form_upload_icon {
    width: 48px;
    height: 48px;
    color: var(--color-text-muted);
    margin: 0 auto var(--space-3);
}

.Form_upload_title {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
    margin-bottom: var(--space-1);
}

.Form_upload_text {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.Form_upload input[type="file"] {
    position: absolute;
    inset: 0;
    opacity: 0;
    cursor: pointer;
}

.Form_upload_preview {
    margin-top: var(--space-3);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.Form_upload_preview img {
    width: 60px;
    height: 60px;
    object-fit: cover;
    border-radius: var(--radius-md);
}

.Form_upload_previewInfo {
    flex: 1;
    text-align: right;
}

.Form_upload_previewName {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-text);
}

.Form_upload_previewSize {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

.Form_upload_remove {
    color: var(--color-error);
    background: none;
    border: none;
    cursor: pointer;
}

/* ==========================
   فرم‌های خاص
   ========================== */

/* فرم ورود/ثبت‌نام */
.Auth_form {
    max-width: 460px;
    margin: 0 auto;
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-7);
    box-shadow: var(--shadow-lg);
}

.Auth_form_title {
    text-align: center;
    margin-bottom: var(--space-5);
}

.Auth_form_title h2 {
    font-size: var(--font-size-2xl);
    margin-bottom: var(--space-2);
}

.Auth_form_title p {
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
}

.Auth_form_footer {
    text-align: center;
    margin-top: var(--space-5);
    padding-top: var(--space-5);
    border-top: 1px solid var(--color-border);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.Auth_form_footer a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

/* فرم تماس */
.Contact_form {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    padding: var(--space-7);
    box-shadow: var(--shadow-lg);
}

/* ==========================
   نشانگر قدرت رمز عبور
   ========================== */
.Password_strength {
    margin-top: var(--space-2);
}

.Password_strength_bar {
    height: 4px;
    background-color: var(--color-border);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.Password_strength_fill {
    height: 100%;
    width: 0;
    background-color: var(--color-error);
    transition: all var(--transition-base);
}

.Password_strength_text {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
    margin-top: var(--space-1);
}

/* ==========================
   فرم چندمرحله‌ای
   ========================== */
.Multistep {
    background-color: var(--color-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
}

.Multistep_progress {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-5) var(--space-7);
    background-color: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 0;
}

.Multistep_progressItem {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    position: relative;
}

.Multistep_progressNumber {
    width: 32px;
    height: 32px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-card);
    border: 2px solid var(--color-border);
    border-radius: 50%;
    color: var(--color-text-muted);
    font-weight: var(--font-weight-bold);
    transition: all var(--transition-base);
}

.Multistep_progressItem--active .Multistep_progressNumber {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: #fff;
}

.Multistep_progressItem--complete .Multistep_progressNumber {
    background-color: var(--color-success);
    border-color: var(--color-success);
    color: #fff;
}

.Multistep_progressItem--active,
.Multistep_progressItem--complete {
    color: var(--color-primary);
}

.Multistep_progressConnector {
    flex: 1;
    height: 2px;
    background-color: var(--color-border);
    margin: 0 var(--space-3);
    position: relative;
}

.Multistep_progressConnector--complete {
    background-color: var(--color-success);
}

.Multistep_body {
    padding: var(--space-7);
}

.Multistep_step {
    display: none;
}

.Multistep_step--active {
    display: block;
    animation: fadeIn 0.4s ease-out;
}

.Multistep_actions {
    display: flex;
    justify-content: space-between;
    gap: var(--space-3);
    padding: var(--space-5) var(--space-7);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-bg-alt);
}