/* ========================================
   ملف الأزرار الموحدة - Unified Buttons
   ======================================== */

/* الأزرار الأساسية */
.filter-btn,
.clear-filter-btn,
.refresh-btn,
.add-btn,
.edit-btn,
.delete-btn,
.view-btn,
.save-btn,
.cancel-btn,
.export-btn,
.print-btn,
.back-btn {
    padding: 0.6rem 1rem;
    border-radius: 8px;
    border: none;
    font-size: 0.95rem;
    font-weight: 500;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    min-width: 100px;
}

/* زر الفلترة - يستخدم ألوان الثيم */
.filter-btn {
    background: linear-gradient(135deg, var(--primary-color, #0d6efd) 0%, var(--primary-dark, #0a58ca) 100%);
    color: white;
}

.filter-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark, #0b5ed7) 0%, var(--primary-darker, #084298) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-color, 13, 110, 253), 0.4);
}

.filter-btn:active {
    transform: translateY(0);
}

/* زر مسح الفلتر - رمادي */
.clear-filter-btn {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
}

.clear-filter-btn:hover {
    background: linear-gradient(135deg, #5c636a 0%, #343a40 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
}

.clear-filter-btn:active {
    transform: translateY(0);
}

/* زر التحديث - يستخدم ألوان الثيم */
.refresh-btn {
    background: linear-gradient(135deg, var(--primary-color, #28a745) 0%, var(--primary-dark, #1e7e34) 100%);
    color: white;
}

.refresh-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark, #218838) 0%, var(--primary-darker, #155724) 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(var(--primary-color, 40, 167, 69), 0.4);
}

.refresh-btn:active {
    transform: translateY(0);
}

/* زر الإضافة - أزرق فاتح */
.add-btn {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    color: white;
}

.add-btn:hover {
    background: linear-gradient(135deg, #138496 0%, #0f6674 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(23, 162, 184, 0.4);
}

.add-btn:active {
    transform: translateY(0);
}

/* زر التعديل - أصفر */
.edit-btn {
    background: linear-gradient(135deg, #ffc107 0%, #e0a800 100%);
    color: #212529;
}

.edit-btn:hover {
    background: linear-gradient(135deg, #e0a800 0%, #c69500 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.4);
}

.edit-btn:active {
    transform: translateY(0);
}

/* زر الحذف - أحمر */
.delete-btn {
    background: linear-gradient(135deg, #dc3545 0%, #bd2130 100%);
    color: white;
}

.delete-btn:hover {
    background: linear-gradient(135deg, #c82333 0%, #a71d2a 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(220, 53, 69, 0.4);
}

.delete-btn:active {
    transform: translateY(0);
}

/* زر العرض/الاستعراض - بنفسجي */
.view-btn {
    background: linear-gradient(135deg, #6f42c1 0%, #5a32a3 100%);
    color: white;
}

.view-btn:hover {
    background: linear-gradient(135deg, #5a32a3 0%, #452886 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(111, 66, 193, 0.4);
}

.view-btn:active {
    transform: translateY(0);
}

/* زر الحفظ - أخضر */
.save-btn {
    background: linear-gradient(135deg, #28a745 0%, #1e7e34 100%);
    color: white;
}

.save-btn:hover {
    background: linear-gradient(135deg, #218838 0%, #155724 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(40, 167, 69, 0.4);
}

.save-btn:active {
    transform: translateY(0);
}

/* زر الإلغاء - رمادي */
.cancel-btn {
    background: linear-gradient(135deg, #6c757d 0%, #495057 100%);
    color: white;
}

.cancel-btn:hover {
    background: linear-gradient(135deg, #5c636a 0%, #343a40 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(108, 117, 125, 0.4);
}

.cancel-btn:active {
    transform: translateY(0);
}

/* زر الطباعة - بني */
.print-btn {
    background: linear-gradient(135deg, #795548 0%, #5d4037 100%);
    color: white;
}

.print-btn:hover {
    background: linear-gradient(135deg, #6d4c41 0%, #4e342e 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(121, 85, 72, 0.4);
}

.print-btn:active {
    transform: translateY(0);
}

/* زر التصدير - برتقالي */
.export-btn {
    background: linear-gradient(135deg, #fd7e14 0%, #e8590c 100%);
    color: white;
}

.export-btn:hover {
    background: linear-gradient(135deg, #e8590c 0%, #d63384 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(253, 126, 20, 0.4);
}

.export-btn:active {
    transform: translateY(0);
}

/* زر العودة - رمادي فاتح */
.back-btn {
    background: linear-gradient(135deg, #e9ecef 0%, #ced4da 100%);
    color: #212529;
}

.back-btn:hover {
    background: linear-gradient(135deg, #ced4da 0%, #adb5bd 100%);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(173, 181, 189, 0.4);
}

.back-btn:active {
    transform: translateY(0);
}

/* أزرار معطلة */
.filter-btn:disabled,
.clear-filter-btn:disabled,
.refresh-btn:disabled,
.add-btn:disabled,
.edit-btn:disabled,
.delete-btn:disabled,
.view-btn:disabled,
.save-btn:disabled,
.cancel-btn:disabled,
.export-btn:disabled,
.print-btn:disabled,
.back-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* أحجام الأزرار */
.btn-sm {
    padding: 0.5rem 0.8rem !important;
    font-size: 0.875rem !important;
    min-width: 80px;
}

.btn-lg {
    padding: 0.8rem 1.5rem;
    font-size: 1.1rem;
    min-width: 120px;
}

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

/* توحيد ارتفاع الأزرار الصغيرة */
.btn-sm.w-100 {
    min-height: 38px;
}

/* الأيقونات */
.filter-btn i,
.clear-filter-btn i,
.refresh-btn i,
.add-btn i,
.edit-btn i,
.delete-btn i,
.view-btn i,
.save-btn i,
.cancel-btn i,
.export-btn i,
.print-btn i,
.back-btn i {
    font-size: 1rem;
}

/* ضمان ظهور النصوص دائماً */
.filter-btn,
.clear-filter-btn,
.refresh-btn,
.add-btn,
.edit-btn,
.delete-btn,
.view-btn,
.save-btn,
.cancel-btn,
.export-btn,
.print-btn,
.back-btn {
    opacity: 1 !important;
    visibility: visible !important;
}

.filter-btn *,
.clear-filter-btn *,
.refresh-btn *,
.add-btn *,
.edit-btn *,
.delete-btn *,
.view-btn *,
.save-btn *,
.cancel-btn *,
.export-btn *,
.print-btn *,
.back-btn * {
    opacity: 1 !important;
    visibility: visible !important;
    color: inherit !important;
}

/* تأثير التحميل */
.btn-loading {
    position: relative;
    pointer-events: none;
}

.btn-loading::after {
    content: '';
    position: absolute;
    width: 16px;
    height: 16px;
    top: 50%;
    left: 50%;
    margin-left: -8px;
    margin-top: -8px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spinner 0.6s linear infinite;
}

@keyframes spinner {
    to {
        transform: rotate(360deg);
    }
}

/* مجموعة الأزرار */
.btn-group {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.btn-group-vertical {
    flex-direction: column;
}

/* الاستجابة للشاشات */
@media (max-width: 768px) {
    .filter-btn,
    .clear-filter-btn,
    .refresh-btn,
    .add-btn,
    .edit-btn,
    .delete-btn,
    .view-btn,
    .save-btn,
    .cancel-btn,
    .export-btn,
    .print-btn,
    .back-btn {
        padding: 0.5rem 0.8rem;
        font-size: 0.875rem;
        min-width: 85px;
    }

    .btn-group {
        width: 100%;
    }

    .btn-group > * {
        flex: 1;
    }
}

@media (max-width: 576px) {
    .filter-btn,
    .clear-filter-btn,
    .refresh-btn,
    .add-btn,
    .edit-btn,
    .delete-btn,
    .view-btn,
    .save-btn,
    .cancel-btn,
    .export-btn,
    .print-btn,
    .back-btn {
        padding: 0.4rem 0.6rem;
        font-size: 0.8rem;
        min-width: 70px;
    }
}