/* Header Styles */
header {
    grid-area: header;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 30px;
    z-index: 100;
    border-bottom: 1px solid var(--glass-border);
}

.header-left h1 {
    color: var(--primary-dark);
    font-size: 1.8rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    letter-spacing: -0.5px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.search-bar {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.7);
    border-radius: 50px;
    padding: 8px 15px;
    width: 300px;
}

.search-bar input {
    border: none;
    background: transparent;
    outline: none;
    width: 100%;
    padding: 5px 10px;
    font-family: 'Inter', sans-serif;
}

.notification-icon, .user-profile {
    cursor: pointer;
    position: relative;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(255, 255, 255, 0.7);
    transition: all 0.3s ease;
}

.notification-icon:hover, .user-profile:hover {
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

.notification-icon i, .user-profile i {
    font-size: 1.2rem;
    color: var(--primary);
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: var(--danger);
    color: white;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    font-size: 0.7rem;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 600;
}

/* Sidebar Styles */
.sidebar {
    grid-area: sidebar;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    box-shadow: 4px 0 20px rgba(0,0,0,0.08);
    padding: 30px 0;
    overflow-y: auto;
    z-index: 200;
    border-right: 1px solid var(--glass-border);
}

.logo {
    padding: 0 25px 30px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    margin-bottom: 20px;
}

.logo h2 {
    color: var(--primary-dark);
    font-size: 1.6rem;
    font-weight: 700;
    font-family: 'Space Grotesk', sans-serif;
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
}

.nav-menu {
    list-style: none;
    padding: 0 15px;
}

.nav-item {
    margin-bottom: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 14px 20px;
    color: var(--text-dark);
    text-decoration: none;
    transition: all 0.3s ease;
    border-radius: 12px;
    font-weight: 500;
}

.nav-link:hover, .nav-link.active {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--text-light);
    box-shadow: 0 4px 12px rgba(58, 142, 186, 0.3);
}

.nav-link i {
    margin-right: 12px;
    font-size: 1.2rem;
    width: 24px;
    text-align: center;
}

/* Main Content Styles */
main {
    grid-area: main;
    padding: 30px;
    overflow-y: auto;
    background: rgba(245, 247, 250, 0.7);
}