/* ===================================
   Navbar Styles - أنماط شريط التنقل
   =================================== */

nav {
    background: linear-gradient(90deg, var(--color-primary-dark) 0%, var(--color-primary-medium) 50%, var(--color-primary-dark) 100%);
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: var(--z-navbar);
    transition: var(--transition-normal);
}

nav.scrolled {
    padding: 0.7rem 2rem;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    background: linear-gradient(90deg, 
        rgba(26, 10, 46, 0.95) 0%, 
        rgba(45, 27, 78, 0.95) 50%, 
        rgba(26, 10, 46, 0.95) 100%);
}

/* Logo */
.logo {
    font-size: var(--font-xl);
    font-weight: bold;
    background: var(--gradient-accent);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 30px rgba(157, 78, 221, 0.5);
    cursor: pointer;
    transition: var(--transition-normal);
    user-select: none;
}

.logo:hover {
    transform: scale(1.05);
    filter: brightness(1.2);
}

/* Navigation Links */
.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links li {
    position: relative;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-normal);
    font-weight: 500;
    position: relative;
    padding: 0.5rem 0;
    display: block;
}

.nav-links a.active {
    color: var(--text-accent);
    text-shadow: 0 0 10px rgba(199, 125, 255, 0.8);
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-normal);
    border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-links a:hover {
    color: var(--text-accent);
    text-shadow: 0 0 10px rgba(199, 125, 255, 0.8);
}

/* Dropdown Menu */
.nav-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.nav-links li:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.nav-dropdown a {
    padding: 0.7rem 1.5rem;
    display: block;
    color: var(--text-secondary);
}

.nav-dropdown a:hover {
    background: rgba(157, 78, 221, 0.1);
    color: var(--text-accent);
}

/* Navigation Actions */
.nav-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

/* Search Box */
.search-box {
    position: relative;
}

.search-input {
    background: rgba(157, 78, 221, 0.1);
    border: 1px solid var(--border-color);
    padding: 0.5rem 2.5rem 0.5rem 1rem;
    border-radius: var(--radius-xl);
    color: var(--text-primary);
    width: 0;
    transition: var(--transition-normal);
    font-size: var(--font-sm);
}

.search-input.active {
    width: 200px;
    border-color: var(--border-color-hover);
}

.search-input:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 15px rgba(157, 78, 221, 0.3);
    background: rgba(157, 78, 221, 0.15);
}

.search-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

.search-btn {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--text-accent);
    cursor: pointer;
    font-size: 1.2rem;
    transition: var(--transition-normal);
    padding: 0.2rem;
}

.search-btn:hover {
    transform: translateY(-50%) scale(1.1);
}

/* Login Button */
.login-btn {
    background: var(--gradient-primary);
    padding: 0.6rem 1.5rem;
    border-radius: var(--radius-xl);
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
    font-weight: 500;
    white-space: nowrap;
}

.login-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    filter: brightness(1.1);
}

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

/* User Menu */
.user-menu {
    position: relative;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-accent);
    cursor: pointer;
    transition: var(--transition-normal);
    object-fit: cover;
}

.user-avatar:hover {
    border-color: var(--color-accent-light);
    box-shadow: 0 0 15px rgba(157, 78, 221, 0.5);
}

.user-dropdown {
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 0.5rem 0;
    min-width: 200px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-lg);
}

.user-menu:hover .user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.user-dropdown-header {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
}

.user-dropdown-name {
    font-weight: bold;
    color: var(--text-accent);
    margin-bottom: 0.2rem;
}

.user-dropdown-email {
    font-size: var(--font-sm);
    color: var(--text-secondary);
}

.user-dropdown a {
    padding: 0.7rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.user-dropdown a:hover {
    background: rgba(157, 78, 221, 0.1);
    color: var(--text-accent);
}

.user-dropdown-divider {
    height: 1px;
    background: var(--border-color);
    margin: 0.5rem 0;
}

/* Notification Bell */
.notification-bell {
    position: relative;
    background: none;
    border: none;
    color: var(--text-accent);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-normal);
    padding: 0.5rem;
}

.notification-bell:hover {
    transform: scale(1.1);
    color: var(--color-accent-light);
}

.notification-badge {
    position: absolute;
    top: 5px;
    right: 5px;
    background: #ff4444;
    color: white;
    font-size: 0.7rem;
    padding: 0.1rem 0.4rem;
    border-radius: var(--radius-full);
    font-weight: bold;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--text-accent);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
    transition: var(--transition-normal);
}

.menu-toggle:hover {
    color: var(--color-accent-light);
    transform: scale(1.1);
}

/* Mobile Menu */
.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100vh;
    background: var(--bg-card);
    border-left: 1px solid var(--border-color);
    padding: 2rem;
    transition: right var(--transition-normal);
    z-index: calc(var(--z-navbar) + 1);
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
    box-shadow: -5px 0 20px rgba(0, 0, 0, 0.5);
}

.mobile-menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--text-accent);
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu-links {
    list-style: none;
}

.mobile-menu-links li {
    margin-bottom: 0.5rem;
}

.mobile-menu-links a {
    display: block;
    padding: 0.8rem 1rem;
    color: var(--text-secondary);
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.mobile-menu-links a:hover,
.mobile-menu-links a.active {
    background: rgba(157, 78, 221, 0.1);
    color: var(--text-accent);
}

/* Mobile Menu Overlay */
.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
    z-index: var(--z-navbar);
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    gap: 0.5rem;
    background: rgba(157, 78, 221, 0.1);
    padding: 0.3rem;
    border-radius: var(--radius-xl);
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    padding: 0.3rem 0.8rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: var(--font-sm);
}

.lang-btn.active {
    background: var(--gradient-primary);
    color: var(--text-primary);
}

.lang-btn:hover:not(.active) {
    color: var(--text-accent);
}

/* Theme Toggle */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-accent);
    font-size: 1.3rem;
    cursor: pointer;
    transition: var(--transition-normal);
    padding: 0.5rem;
}

.theme-toggle:hover {
    transform: rotate(20deg) scale(1.1);
}