/* ===== زر واتساب العائم ===== */
.whatsapp-float {
    position: fixed;
    bottom: 20px;
    left: 20px;
    z-index: 1000;
    animation: float 3s ease-in-out infinite;
    transition: all 0.3s ease;
}

.whatsapp-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: #25D366;
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.whatsapp-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.whatsapp-btn:hover::before {
    left: 100%;
}

.whatsapp-btn:hover {
    background: #128C7E;
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
    text-decoration: none;
    color: white;
}

.whatsapp-btn i {
    font-size: 1.5rem;
}

.whatsapp-text {
    font-size: 0.9rem;
}

/* انيميشن للزر العائم */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

@keyframes pulse-whatsapp {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.8), 0 0 0 10px rgba(37, 211, 102, 0.1);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

.whatsapp-btn {
    animation: pulse-whatsapp 2s ease-in-out infinite;
}

/* تأثير النقر */
.whatsapp-btn:active {
    transform: scale(0.95);
}

/* تحسينات للهواتف */
@media (max-width: 768px) {
    .whatsapp-float {
        bottom: 15px;
        left: 15px;
    }
    
    .whatsapp-btn {
        padding: 0.8rem 1.2rem;
    }
    
    .whatsapp-text {
        font-size: 0.8rem;
    }
    
    .whatsapp-btn i {
        font-size: 1.3rem;
    }
}

@media (max-width: 480px) {
    .whatsapp-btn {
        padding: 0.7rem 1rem;
    }
    
    .whatsapp-btn i {
        font-size: 1.2rem;
    }
    
    .whatsapp-text {
        font-size: 0.75rem;
    }
}

/* إخفاء النص في الشاشات الصغيرة جداً */
@media (max-width: 360px) {
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-btn {
        padding: 0.8rem;
        border-radius: 50%;
        width: 50px;
        height: 50px;
        justify-content: center;
    }
}

/* تحسينات للشاشات الصغيرة جداً (300px وأقل) */
@media (max-width: 300px) {
    .whatsapp-float {
        bottom: 10px;
        right: 10px;
    }
    
    .whatsapp-btn {
        padding: 0.6rem;
        border-radius: 50%;
        width: 45px;
        height: 45px;
        justify-content: center;
        font-size: 1.2rem;
    }
    
    .whatsapp-icon {
        font-size: 1.2rem;
    }
    
    .whatsapp-text {
        display: none;
    }
    
    .whatsapp-tooltip {
        right: 55px;
        bottom: 5px;
        padding: 6px 10px;
        font-size: 0.7rem;
        border-radius: 8px;
    }
    
    .whatsapp-tooltip::after {
        right: -6px;
        border-width: 6px 0 6px 6px;
    }
}

/* تأثير التمرير - إخفاء الزر عند التمرير لأسفل */
.whatsapp-float.hidden {
    transform: translateY(100px);
    opacity: 0;
}

/* تأثير الظهور التدريجي */
.whatsapp-float.fade-in {
    animation: fadeInUp 0.5s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* تحسينات للوضع المظلم */
@media (prefers-color-scheme: dark) {
    .whatsapp-btn {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
    
    .whatsapp-btn:hover {
        box-shadow: 0 8px 30px rgba(37, 211, 102, 0.8);
    }
}

/* تحسينات للوصولية */
.whatsapp-btn:focus {
    outline: 2px solid #25D366;
    outline-offset: 2px;
}

/* تأثير التحميل */
.whatsapp-float.loading .whatsapp-btn {
    opacity: 0.7;
    pointer-events: none;
}

.whatsapp-float.loading .whatsapp-btn::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid transparent;
    border-top: 2px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}