/* =============================================
 *  buttons.css - تنسيقات الأزرار
 * =============================================
 * جميع أنماط الأزرار المستخدمة في المنصة
 * مع دعم التأثيرات الزجاجية، الأحجام، والحالات.
 * =============================================
 */

/* =============================================
 * 1.  الأساسيات المشتركة لجميع الأزرار
 * =============================================
 */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    font-family: inherit;
    font-weight: var(--font-weight-medium);
    text-align: center;
    text-decoration: none;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 1px solid transparent;
    border-radius: var(--radius-xl);
    padding: var(--btn-padding-y-md) var(--btn-padding-x-md);
    font-size: var(--font-size-base);
    line-height: var(--line-height-normal);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    min-height: var(--input-height);
    min-width: 3rem;
}

/* إزالة المظهر الافتراضي في Firefox */
.btn::-moz-focus-inner {
    border: 0;
}

/* =============================================
 * 2.  أنماط الأزرار الأساسية
 * =============================================
 */

/* الزر الأساسي (Primary) - ليموني */
.btn-primary {
    background: var(--color-primary);
    color: var(--color-background);
    border-color: var(--color-primary);
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0);
}

.btn-primary:hover:not(:disabled) {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-primary-rgb), 0.3);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.2);
}

.btn-primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* الزر الثانوي (Secondary) - أزرق سماوي */
.btn-secondary {
    background: var(--color-secondary);
    color: var(--color-background);
    border-color: var(--color-secondary);
    box-shadow: 0 0 20px rgba(var(--color-secondary-rgb), 0);
}

.btn-secondary:hover:not(:disabled) {
    background: var(--color-secondary-dark);
    border-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-secondary-rgb), 0.3);
}

.btn-secondary:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(var(--color-secondary-rgb), 0.2);
}

.btn-secondary:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* الزر الزجاجي (Glass) */
.btn-glass {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--glass-border);
    color: var(--color-text);
    box-shadow: var(--shadow-glass-light);
}

.btn-glass:hover:not(:disabled) {
    background: var(--color-glass-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glass);
}

.btn-glass:active:not(:disabled) {
    transform: translateY(0);
}

.btn-glass:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-glass:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* زر الإطار (Outline) */
.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 1px solid var(--glass-border);
    box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--glass-border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glass-light);
}

.btn-outline:active:not(:disabled) {
    transform: translateY(0);
}

.btn-outline:focus-visible {
    outline: 2px solid var(--color-text);
    outline-offset: 2px;
}

.btn-outline:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* زر الإطار الملون (Outline Primary) */
.btn-outline-primary {
    background: transparent;
    color: var(--color-primary);
    border: 1px solid var(--color-primary);
    box-shadow: none;
}

.btn-outline-primary:hover:not(:disabled) {
    background: rgba(var(--color-primary-rgb), 0.1);
    border-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-primary-rgb), 0.15);
}

.btn-outline-primary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-outline-primary:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn-outline-primary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* زر الإطار الثانوي (Outline Secondary) */
.btn-outline-secondary {
    background: transparent;
    color: var(--color-secondary);
    border: 1px solid var(--color-secondary);
    box-shadow: none;
}

.btn-outline-secondary:hover:not(:disabled) {
    background: rgba(var(--color-secondary-rgb), 0.1);
    border-color: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-secondary-rgb), 0.15);
}

.btn-outline-secondary:active:not(:disabled) {
    transform: translateY(0);
}

.btn-outline-secondary:focus-visible {
    outline: 2px solid var(--color-secondary);
    outline-offset: 2px;
}

.btn-outline-secondary:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    transform: none !important;
}

/* زر الخطر (Danger) */
.btn-danger {
    background: var(--color-danger);
    color: var(--color-white);
    border-color: var(--color-danger);
    box-shadow: 0 0 20px rgba(var(--color-danger-rgb), 0);
}

.btn-danger:hover:not(:disabled) {
    background: var(--color-danger-dark);
    border-color: var(--color-danger-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-danger-rgb), 0.3);
}

.btn-danger:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(var(--color-danger-rgb), 0.2);
}

.btn-danger:focus-visible {
    outline: 2px solid var(--color-danger);
    outline-offset: 2px;
}

.btn-danger:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* زر النجاح (Success) */
.btn-success {
    background: var(--color-success);
    color: var(--color-background);
    border-color: var(--color-success);
    box-shadow: 0 0 20px rgba(var(--color-success-rgb), 0);
}

.btn-success:hover:not(:disabled) {
    background: var(--color-success-dark);
    border-color: var(--color-success-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-success-rgb), 0.3);
}

.btn-success:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(var(--color-success-rgb), 0.2);
}

.btn-success:focus-visible {
    outline: 2px solid var(--color-success);
    outline-offset: 2px;
}

.btn-success:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* زر التحذير (Warning) */
.btn-warning {
    background: var(--color-warning);
    color: var(--color-background);
    border-color: var(--color-warning);
    box-shadow: 0 0 20px rgba(var(--color-warning-rgb), 0);
}

.btn-warning:hover:not(:disabled) {
    background: var(--color-warning-dark);
    border-color: var(--color-warning-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(var(--color-warning-rgb), 0.3);
}

.btn-warning:active:not(:disabled) {
    transform: translateY(0);
    box-shadow: 0 0 20px rgba(var(--color-warning-rgb), 0.2);
}

.btn-warning:focus-visible {
    outline: 2px solid var(--color-warning);
    outline-offset: 2px;
}

.btn-warning:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

/* =============================================
 * 3.  أحجام الأزرار
 * =============================================
 */

/* صغير (Small) */
.btn-sm {
    padding: var(--btn-padding-y-sm) var(--btn-padding-x-sm);
    font-size: var(--font-size-sm);
    min-height: var(--input-height-sm);
    border-radius: var(--radius-lg);
    gap: var(--spacing-1_5);
}

.btn-sm .btn-icon {
    font-size: var(--icon-size-sm);
}

/* متوسط (Medium) - الافتراضي */
.btn-md {
    padding: var(--btn-padding-y-md) var(--btn-padding-x-md);
    font-size: var(--font-size-base);
    min-height: var(--input-height);
    border-radius: var(--radius-xl);
}

.btn-md .btn-icon {
    font-size: var(--icon-size-md);
}

/* كبير (Large) */
.btn-lg {
    padding: var(--btn-padding-y-lg) var(--btn-padding-x-lg);
    font-size: var(--font-size-lg);
    min-height: var(--input-height-lg);
    border-radius: var(--radius-2xl);
    gap: var(--spacing-3);
}

.btn-lg .btn-icon {
    font-size: var(--icon-size-lg);
}

/* كبير جداً (Extra Large) */
.btn-xl {
    padding: var(--btn-padding-y-xl) var(--btn-padding-x-xl);
    font-size: var(--font-size-xl);
    min-height: calc(var(--input-height-lg) * 1.25);
    border-radius: var(--radius-3xl);
    gap: var(--spacing-4);
}

.btn-xl .btn-icon {
    font-size: var(--icon-size-xl);
}

/* =============================================
 * 4.  أزرار مع أيقونات
 * =============================================
 */
.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    line-height: 1;
}

.btn-icon-left .btn-icon {
    order: -1;
}

.btn-icon-right .btn-icon {
    order: 1;
}

/* زر دائري (أيقونة فقط) */
.btn-circle {
    padding: 0;
    width: var(--input-height);
    height: var(--input-height);
    border-radius: var(--radius-full);
    min-width: unset;
    min-height: unset;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-circle.btn-sm {
    width: var(--input-height-sm);
    height: var(--input-height-sm);
}

.btn-circle.btn-lg {
    width: var(--input-height-lg);
    height: var(--input-height-lg);
}

.btn-circle .btn-icon {
    margin: 0;
}

/* =============================================
 * 5.  أزرار بعرض كامل
 * =============================================
 */
.btn-block {
    display: flex;
    width: 100%;
    justify-content: center;
}

/* =============================================
 * 6. ⏳ حالة التحميل (Loading)
 * =============================================
 */
.btn-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 1.25rem;
    height: 1.25rem;
    margin-top: -0.625rem;
    margin-left: -0.625rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: var(--color-text);
    border-radius: var(--radius-full);
    animation: btn-spin 0.8s linear infinite;
}

.btn-loading.btn-primary::after {
    border-top-color: var(--color-background);
}

.btn-loading.btn-secondary::after {
    border-top-color: var(--color-background);
}

.btn-loading.btn-glass::after {
    border-top-color: var(--color-text);
}

.btn-loading.btn-outline::after {
    border-top-color: var(--color-text);
}

.btn-loading.btn-outline-primary::after {
    border-top-color: var(--color-primary);
}

.btn-loading.btn-outline-secondary::after {
    border-top-color: var(--color-secondary);
}

/* =============================================
 * 7.  مجموعة الأزرار (Button Group)
 * =============================================
 */
.btn-group {
    display: inline-flex;
    gap: 0;
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.btn-group .btn {
    border-radius: 0;
    border-right: 1px solid var(--glass-border);
}

.btn-group .btn:first-child {
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
    border-right: none;
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
}

.btn-group .btn:not(:first-child):not(:last-child) {
    border-radius: 0;
}

/* RTL دعم */
html[dir="rtl"] .btn-group .btn {
    border-right: none;
    border-left: 1px solid var(--glass-border);
}

html[dir="rtl"] .btn-group .btn:first-child {
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    border-left: none;
}

html[dir="rtl"] .btn-group .btn:last-child {
    border-radius: var(--radius-xl) 0 0 var(--radius-xl);
}

/* =============================================
 * 8.  أزرار مع توهج (Glow)
 * =============================================
 */
.btn-glow-primary {
    box-shadow: 0 0 30px rgba(var(--color-primary-rgb), 0.15);
}

.btn-glow-primary:hover:not(:disabled) {
    box-shadow: 0 0 50px rgba(var(--color-primary-rgb), 0.3);
}

.btn-glow-secondary {
    box-shadow: 0 0 30px rgba(var(--color-secondary-rgb), 0.15);
}

.btn-glow-secondary:hover:not(:disabled) {
    box-shadow: 0 0 50px rgba(var(--color-secondary-rgb), 0.3);
}

/* =============================================
 * 9.  تأثيرات إضافية (Hover & Active)
 * =============================================
 */
.btn-raise {
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-raise:hover:not(:disabled) {
    transform: translateY(-4px);
}

.btn-raise:active:not(:disabled) {
    transform: translateY(0);
}

.btn-scale {
    transition: transform var(--transition-fast);
}

.btn-scale:hover:not(:disabled) {
    transform: scale(1.05);
}

.btn-scale:active:not(:disabled) {
    transform: scale(0.95);
}

/* =============================================
 * 10. ♿ تحسينات إمكانية الوصول
 * =============================================
 */
.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.btn:focus-visible:not(:focus-visible) {
    outline: none;
}

/* =============================================
 * 11.  أزرار مخصصة للمنصة
 * =============================================
 */

/* زر "اطلب عمل مثل هذا" */
.btn-hire {
    background: var(--color-primary);
    color: var(--color-background);
    font-weight: var(--font-weight-semibold);
    padding: var(--btn-padding-y-md) var(--btn-padding-x-lg);
}

.btn-hire:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.3);
}

/* زر "قدّم الآن" */
.btn-apply {
    background: var(--color-secondary);
    color: var(--color-background);
    font-weight: var(--font-weight-semibold);
    padding: var(--btn-padding-y-md) var(--btn-padding-x-lg);
}

.btn-apply:hover:not(:disabled) {
    background: var(--color-secondary-dark);
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(var(--color-secondary-rgb), 0.3);
}

/* زر "إرسال عرض / عقد" (في المحادثة) */
.btn-contract {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-background);
    font-weight: var(--font-weight-bold);
    padding: var(--btn-padding-y-md) var(--btn-padding-x-lg);
    border: none;
}

.btn-contract:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.3);
}

/* زر "انشر مشروع / وظيفة" */
.btn-post {
    background: var(--color-primary);
    color: var(--color-background);
    font-weight: var(--font-weight-bold);
    padding: var(--btn-padding-y-lg) var(--btn-padding-x-xl);
    font-size: var(--font-size-lg);
    min-height: var(--input-height-lg);
}

.btn-post:hover:not(:disabled) {
    background: var(--color-primary-dark);
    transform: translateY(-2px) scale(1.02);
    box-shadow: 0 0 50px rgba(var(--color-primary-rgb), 0.3);
}

/* =============================================
 * 12.  رسوم متحركة (Animations)
 * =============================================
 */
@keyframes btn-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* =============================================
 * 13.  استجابة للشاشات الصغيرة
 * =============================================
 */
@media (max-width: 768px) {
    .btn {
        padding: var(--btn-padding-y-sm) var(--btn-padding-x-sm);
        font-size: var(--font-size-sm);
        min-height: var(--input-height-sm);
        border-radius: var(--radius-lg);
        gap: var(--spacing-1_5);
    }

    .btn-lg {
        padding: var(--btn-padding-y-md) var(--btn-padding-x-md);
        font-size: var(--font-size-base);
        min-height: var(--input-height);
        border-radius: var(--radius-xl);
        gap: var(--spacing-2);
    }

    .btn-xl {
        padding: var(--btn-padding-y-lg) var(--btn-padding-x-lg);
        font-size: var(--font-size-lg);
        min-height: var(--input-height-lg);
        border-radius: var(--radius-2xl);
        gap: var(--spacing-3);
    }

    .btn-block-mobile {
        display: flex;
        width: 100%;
        justify-content: center;
    }

    .btn-group {
        flex-direction: column;
        border-radius: var(--radius-xl);
        overflow: hidden;
    }

    .btn-group .btn {
        border-radius: 0 !important;
        border-right: none !important;
        border-left: none !important;
        border-bottom: 1px solid var(--glass-border);
    }

    .btn-group .btn:first-child {
        border-radius: var(--radius-xl) var(--radius-xl) 0 0 !important;
    }

    .btn-group .btn:last-child {
        border-radius: 0 0 var(--radius-xl) var(--radius-xl) !important;
        border-bottom: none;
    }

    html[dir="rtl"] .btn-group .btn {
        border-left: none !important;
    }
}

@media (max-width: 480px) {
    .btn {
        font-size: var(--font-size-xs);
        padding: var(--spacing-1_5) var(--spacing-3);
        min-height: 2.25rem;
        border-radius: var(--radius-md);
    }

    .btn-lg {
        font-size: var(--font-size-sm);
        padding: var(--spacing-2) var(--spacing-4);
        min-height: 2.5rem;
    }

    .btn-xl {
        font-size: var(--font-size-base);
        padding: var(--spacing-3) var(--spacing-5);
        min-height: var(--input-height);
    }

    .btn .btn-icon {
        font-size: var(--icon-size-sm);
    }

    .btn-lg .btn-icon {
        font-size: var(--icon-size-md);
    }
}

/* =============================================
 * 14.  تنسيقات الطباعة
 * =============================================
 */
@media print {
    .btn {
        background: #f0f0f0 !important;
        color: #000 !important;
        border: 1px solid #ccc !important;
        box-shadow: none !important;
        transform: none !important;
    }

    .btn-primary,
    .btn-secondary,
    .btn-success,
    .btn-danger,
    .btn-warning {
        background: #e0e0e0 !important;
        color: #000 !important;
    }

    .btn-glass {
        background: #f5f5f5 !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
    }

    .btn-outline,
    .btn-outline-primary,
    .btn-outline-secondary {
        background: transparent !important;
        border: 1px solid #999 !important;
        color: #000 !important;
    }
}

/* =============================================
 * 15. ♿ Reduced Motion
 * =============================================
 */
@media (prefers-reduced-motion: reduce) {
    .btn {
        transition: none !important;
        animation: none !important;
    }

    .btn:hover:not(:disabled) {
        transform: none !important;
    }

    .btn-loading::after {
        animation: none !important;
    }
}

/* =============================================
 * 16.  تخصيص الأزرار حسب السياق
 * =============================================
 */

/* زر في بطاقة زجاجية */
.glass-card .btn-primary {
    box-shadow: 0 0 20px rgba(var(--color-primary-rgb), 0.1);
}

.glass-card .btn-primary:hover:not(:disabled) {
    box-shadow: 0 0 40px rgba(var(--color-primary-rgb), 0.3);
}

/* زر في الهيدر */
.header-btn {
    padding: var(--spacing-1_5) var(--spacing-4);
    font-size: var(--font-size-sm);
    min-height: 2.5rem;
}

/* زر في شريط البحث */
.search-btn {
    padding: var(--spacing-2) var(--spacing-6);
    border-radius: var(--radius-lg);
    font-weight: var(--font-weight-semibold);
    min-height: 2.75rem;
}

/* =============================================
 * 17.  تصدير - جميع الفئات متاحة للاستخدام
 * =============================================
 */