/* تنسيقات الهيدر العصري */
:root {
    --header-height: 80px;
    --header-shadow: 0 4px 10px rgba(0, 0, 0, 0.08);
    --header-bg: rgba(255, 255, 255, 0.98);
    --header-bg-dark: rgba(26, 26, 26, 0.98);
    --header-transition: all 0.3s ease;
    --nav-link-color: #333;
    --nav-link-hover: var(--primary-color);
    --nav-link-active-bg: rgba(52, 84, 209, 0.08);
    --nav-link-dark-color: #f0f0f0;
    --nav-link-dark-hover: var(--primary-color);
    --nav-link-dark-active-bg: rgba(52, 84, 209, 0.15);
}

/* تنسيقات الناف بار الرئيسي */
.navbar {
    height: var(--header-height);
    background-color: var(--header-bg);
    box-shadow: var(--header-shadow);
    transition: var(--header-transition);
    padding: 0;
}

/* تنسيقات الناف بار عند التمرير */
.navbar-scrolled {
    height: 70px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* تنسيقات الشعار */
.navbar-brand {
    display: flex;
    align-items: center;
}

.navbar-logo {
    height: 50px;
    transition: var(--header-transition);
}

.navbar-scrolled .navbar-logo {
    height: 40px;
}

/* تنسيقات عناصر القائمة */
.navbar-nav .nav-item {
    margin: 0 5px;
    position: relative;
}

.navbar-nav .nav-link {
    color: var(--nav-link-color);
    font-weight: 600;
    padding: 10px 15px;
    border-radius: 8px;
    transition: var(--header-transition);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.navbar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--nav-link-active-bg);
    border-radius: 8px;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
    z-index: -1;
}

.navbar-nav .nav-link:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.navbar-nav .nav-link:hover {
    color: var(--nav-link-hover);
}

.navbar-nav .nav-link i {
    margin-left: 5px;
    font-size: 0.9rem;
    transition: var(--header-transition);
}

.navbar-nav .nav-link:hover i {
    transform: translateY(-2px);
}

/* تنسيقات العنصر النشط */
.navbar-nav .nav-item.active .nav-link {
    color: var(--primary-color);
    background-color: var(--nav-link-active-bg);
    font-weight: 700;
}

/* تنسيقات قائمة المستخدم */
.user-dropdown .nav-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 15px;
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(52, 84, 209, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--header-transition);
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
}

.user-dropdown:hover .user-avatar {
    transform: scale(1.1);
    background-color: rgba(52, 84, 209, 0.2);
}

.user-dropdown-menu {
    border: none;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    padding: 10px;
    min-width: 220px;
}

.user-dropdown-menu .dropdown-item {
    padding: 10px 15px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--header-transition);
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-dropdown-menu .dropdown-item i {
    width: 20px;
    text-align: center;
    color: var(--primary-color);
    transition: var(--header-transition);
}

.user-dropdown-menu .dropdown-item:hover {
    background-color: rgba(52, 84, 209, 0.08);
    transform: translateX(-5px);
}

.user-dropdown-menu .dropdown-item:hover i {
    transform: scale(1.2);
}

.dropdown-signout {
    color: #dc3545;
}

.dropdown-signout i {
    color: #dc3545 !important;
}

/* تنسيقات أزرار تسجيل الدخول والتسجيل */
.auth-btn {
    padding: 8px 15px;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--header-transition);
}

.auth-btn-login {
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
    background-color: transparent;
}

.auth-btn-login:hover {
    background-color: rgba(52, 84, 209, 0.08);
    transform: translateY(-2px);
}

.auth-btn-register {
    color: white;
    background-color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.auth-btn-register:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(52, 84, 209, 0.3);
}

/* تنسيقات زر تبديل الوضع الداكن */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
    margin: 0 10px;
}

.theme-switch {
    display: inline-block;
    position: relative;
    width: 50px;
    height: 26px;
}

.theme-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #3454D1, #283CAB);
    transition: .4s;
    border-radius: 34px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.slider:before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: .4s;
    border-radius: 50%;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23FFD700'%3E%3Cpath d='M12 17c-2.76 0-5-2.24-5-5s2.24-5 5-5 5 2.24 5 5-2.24 5-5 5zm0-8c-1.66 0-3 1.34-3 3s1.34 3 3 3 3-1.34 3-3-1.34-3-3-3z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 14px;
    background-position: center;
    background-repeat: no-repeat;
}

input:checked + .slider {
    background: #1e1e2c;
}

input:checked + .slider:before {
    transform: translateX(24px);
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%233454D1'%3E%3Cpath d='M12.34 2.02C6.59 1.82 2 6.42 2 12c0 5.52 4.48 10 10 10 3.71 0 6.93-2.02 8.66-5.02-7.51-.25-12.09-8.43-8.32-14.96z'%3E%3C/path%3E%3C/svg%3E");
    background-size: 14px;
    background-repeat: no-repeat;
    background-position: center;
}

/* تنسيقات الإشعارات */
.notification-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(52, 84, 209, 0.08);
    color: var(--primary-color);
    transition: var(--header-transition);
}

.notification-link:hover {
    background-color: rgba(52, 84, 209, 0.15);
    transform: translateY(-2px);
}

.notification-badge {
    position: absolute;
    top: -5px;
    right: -5px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: #dc3545;
    color: white;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* تنسيقات زر التوجل للموبايل */
.navbar-toggler {
    border: none;
    background-color: rgba(52, 84, 209, 0.08);
    border-radius: 8px;
    padding: 8px 10px;
    transition: var(--header-transition);
}

.navbar-toggler:focus {
    box-shadow: none;
    outline: none;
}

.navbar-toggler:hover {
    background-color: rgba(52, 84, 209, 0.15);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2852, 84, 209, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* تنسيقات الوضع الداكن */
[data-theme="dark"] .navbar {
    background-color: var(--header-bg-dark);
}

[data-theme="dark"] .navbar-nav .nav-link {
    color: var(--nav-link-dark-color);
}

[data-theme="dark"] .navbar-nav .nav-link::before {
    background: var(--nav-link-dark-active-bg);
}

[data-theme="dark"] .navbar-nav .nav-item.active .nav-link {
    background-color: var(--nav-link-dark-active-bg);
}

[data-theme="dark"] .user-avatar {
    background-color: rgba(52, 84, 209, 0.2);
}

[data-theme="dark"] .user-dropdown:hover .user-avatar {
    background-color: rgba(52, 84, 209, 0.3);
}

[data-theme="dark"] .user-dropdown-menu {
    background-color: #2d2d2d;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
}

[data-theme="dark"] .user-dropdown-menu .dropdown-item {
    color: #f0f0f0;
}

[data-theme="dark"] .user-dropdown-menu .dropdown-item:hover {
    background-color: rgba(52, 84, 209, 0.15);
}

[data-theme="dark"] .auth-btn-login {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

[data-theme="dark"] .auth-btn-login:hover {
    background-color: rgba(52, 84, 209, 0.15);
}

[data-theme="dark"] .navbar-toggler {
    background-color: rgba(52, 84, 209, 0.15);
}

[data-theme="dark"] .navbar-toggler:hover {
    background-color: rgba(52, 84, 209, 0.25);
}

[data-theme="dark"] .navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2852, 84, 209, 1%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* تنسيقات متجاوبة */
@media (max-width: 992px) {
    .navbar-collapse {
        background-color: var(--header-bg);
        border-radius: 12px;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
        padding: 20px;
        margin-top: 10px;
    }
    
    [data-theme="dark"] .navbar-collapse {
        background-color: #2d2d2d;
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    }
    
    .navbar-nav .nav-item {
        margin: 5px 0;
    }
    
    .navbar-nav .nav-link {
        text-align: right;
    }
    
    .auth-btn {
        display: block;
        text-align: center;
        margin: 8px 0;
    }
    
    .user-dropdown .nav-link {
        justify-content: flex-start;
    }
}

@media (max-width: 576px) {
    .navbar {
        height: 70px;
    }
    
    .navbar-logo {
        height: 40px;
    }
    
    .navbar-scrolled .navbar-logo {
        height: 35px;
    }
    
    .user-name {
        display: none;
    }
}

/* شريط التقدم */
.scroll-progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    z-index: 2000;
    background: transparent;
}

.scroll-progress-bar {
    height: 100%;
    background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
    width: 0%;
    transition: width 0.1s ease-out;
}