:root {
    --bg-color: #121212;
    --card-bg: #1e1e1e;
    --primary-purple: #8a2be2;
    --text-color: #ffffff;
    --danger: #ff4d4d;
    --success: #2ecc71;
    --accent: #f1c40f;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    direction: rtl;
    margin: 0;
    display: flex;
    justify-content: center;
}

.container {
    width: 90%;
    max-width: 600px;
    margin-top: 50px;
}

/* ================
|    1- header  
=================*/
.header {
    background-color: var(--primary-purple);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 30px;
    border-radius: 15px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    margin-bottom: 30px;
}

.add-btn {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: none;
    background: white;
    color: var(--primary-purple);
    font-size: 24px;
    cursor: pointer;
    transition: 0.3s;
}

.add-btn:hover {
    transform: scale(1.1) rotate(90deg);
}

/* ================
|    2- تنسيق المهمة 
=================*/
.task-item {
    background-color: var(--card-bg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 25px;
    border-radius: 12px;
    margin-bottom: 15px;
    border-right: 5px solid var(--primary-purple);
    transition: 0.3s;
}

.done {
    background-color: rgb(4, 100, 6);
    border-right: none;
}

.task-item:hover {
    transform: translateX(-5px);
    background-color: #252525;
}

.done:hover {
    transform: translateX(-5px);
    background-color: rgb(7, 129, 9);
}



.task-item h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 400;
}

/* حاوية النصوص عشان نضمن إن العنوان والتاريخ فوق بعض */
.task-info {
    display: flex;
    flex-direction: column; /* بيخلي العناصر تحت بعض */
    gap: 5px; /* مسافة بسيطة بين العنوان والتاريخ */
}

.task-date {
    font-size: 0.85rem;
    color: var(--text-muted, #b3b3b3);
}

/* تنسيق الأزرار */
.btn {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    margin-left: 5px;
    color: white;
    font-weight: bold;
    transition: 0.2s;
}

.delete { background-color: var(--danger); }
.check { background-color: var(--success); }
.edit { background-color: var(--accent); color: #000; }

.btn:hover { opacity: 0.8; }

/* ================
|     Footer  
=================*/
.main-footer {
    position: fixed;   
    bottom: 20px;    
    left: 20px;       
    color: #666;   
    font-size: 14px;
    background: rgba(30, 30, 30, 0.8);
    padding: 5px 15px;
    border-radius: 20px;
    border: 1px solid #333;
    z-index: 100;
}
.main-footer span {
    color: #8a2be2;  
    font-weight: bold;
}

.footer-link {
    color: var(--primary-purple);
    text-decoration: none;
    transition: 0.3s;
}

.footer-link:hover {
    text-underline-offset: 5px;
    text-decoration: underline; 
}

@media (max-width: 600px) {
    .main-footer {
        visibility: hidden;
    }
}