/* Fixed Navbar */
.navbar, .navbar-premium {
    position: fixed !important;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}
body {
    padding-top: 75px; /* navbar height */
}

/* Sidebar Navigation Styles */
.sidebar {
    position: fixed;
    top: 0;
    left: -280px; /* Hidden by default */
    width: 280px;
    height: 100%;
    background: #fff;
    box-shadow: 10px 0 30px rgba(0,0,0,0.1);
    z-index: 2000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar.active {
    left: 0;
}

.sidebar-header {
    padding: 40px 25px 25px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: #fff;
}

.sidebar-header .user-name {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 5px;
}

.sidebar-header .user-email {
    font-size: 0.85rem;
    opacity: 0.8;
}

.sidebar-menu {
    padding: 20px 10px;
    flex-grow: 1;
}

.menu-item {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: #2d3436;
    text-decoration: none !important;
    font-weight: 700;
    border-radius: 15px;
    margin-bottom: 5px;
    transition: all 0.2s;
}

.menu-item i {
    width: 25px;
    margin-right: 15px;
    font-size: 1.1rem;
    color: #b2bec3;
    transition: all 0.2s;
}

.menu-item:hover {
    background: #f1f4f9;
    color: #667eea;
}

.menu-item:hover i {
    color: #667eea;
    transform: scale(1.1);
}

.menu-item.active {
    background: #eef2ff;
    color: #667eea;
}

.menu-item.active i {
    color: #667eea;
}

.sidebar-footer {
    padding: 20px 25px;
    border-top: 1px solid #f1f4f9;
}

.btn-logout-side {
    color: #eb4d4b;
    font-weight: 800;
    font-size: 0.95rem;
    text-decoration: none;
    display: flex;
    align-items: center;
}

/* Sidebar Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.5);
    z-index: 1999;
    display: none;
    backdrop-filter: blur(3px);
}

.sidebar-overlay.active {
    display: block;
}

/* Hamburger Toggle Button */
.hamburger-toggle {
    width: 45px;
    height: 45px;
    background: #fff;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
    border: none;
    transition: all 0.2s;
}

.hamburger-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.12);
}

.hamburger-toggle i {
    font-size: 1.25rem;
    color: #2d3436;
}