/* Sol navbar stilleri */
    .left-sidebar {
        position: absolute;
        top: 56px;
        left: 0;
        height: calc(100vh - 56px);
        width: 65px;
        background: linear-gradient(135deg, #14A1B5 0%, #14A1B5 50%, #14A1B5 100%);
        transition: width 0.3s ease;
        z-index: 9997;
        box-shadow: 2px 0 15px rgba(20, 161, 181, 0.3);
        border-right: 1px solid rgba(255, 255, 255, 0.1);
        overflow: hidden;
    }
    
    .left-sidebar:hover,
    .left-sidebar.expanded {
        width: 240px;
    }
    
    /* Toggle butonu */
    .sidebar-toggle {
        position: absolute;
        top: 15px;
        left: 65%;
        transform: translateX(-50%);
        background: rgba(255,255,255,0.2);
        border: none;
        color: white;
        width: 30px;
        height: 30px;
        border-radius: 50%;
        cursor: pointer;
        font-size: 14px;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
    }
    
    /* Hover durumunda toggle butonu sağa kayar */
    .left-sidebar:hover .sidebar-toggle,
    .left-sidebar.expanded .sidebar-toggle {
        left: auto;
        right: 15px;
        transform: none;
    }
    
    .sidebar-toggle:hover {
        background: rgba(255,255,255,0.3);
    }
    
    
    /* Sol navbar içeriği */
    .sidebar-content {
        padding-top: 55px;
        height: 100%;
        overflow-y: auto;
        overflow-x: hidden;
    }
    
    /* Scrollbar stilleri */
    .sidebar-content::-webkit-scrollbar {
        width: 6px;
    }
    
    .sidebar-content::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.1);
    }
    
    .sidebar-content::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.3);
        border-radius: 3px;
    }
    
    .sidebar-content::-webkit-scrollbar-thumb:hover {
        background: rgba(255, 255, 255, 0.5);
    }
    
    /* Menü öğeleri */
    .sidebar-item {
        display: flex;
        align-items: center;
        padding: 15px 20px;
        color: rgba(255,255,255,0.9);
        text-decoration: none;
        transition: all 0.3s ease;
        white-space: nowrap;
        border: 1px solid rgba(255, 255, 255, 0.1);
        margin: 5px 10px;
        border-radius: 8px;
    }
    
    .sidebar-item:hover {
        background: rgba(255,255,255,0.1);
        color: white;
        text-decoration: none;
        border-color: rgba(255, 255, 255, 0.2);
    }
    
    .sidebar-item i {
        font-size: 18px;
        min-width: 20px;
        margin-right: 15px;
        text-align: center;
    }
    
    /* Accordion menü stilleri */
    .sidebar-accordion {
        margin: 5px 10px;
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: 8px;
        overflow: hidden;
    }
    
    .accordion-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 15px 20px;
        color: rgba(255,255,255,0.9);
        background: rgba(255,255,255,0.05);
        cursor: pointer;
        transition: all 0.3s ease;
        border: none;
        width: 100%;
        text-align: left;
        white-space: nowrap;
    }
        .accordion-header .sidebar-text {
            margin-right: 6px;
        }
    
    .accordion-header:hover {
        background: rgba(255,255,255,0.1);
        color: white;
    }
    
    .accordion-header i {
        font-size: 18px;
        min-width: 20px;
        margin-right: 15px;
        text-align: center;
    }
    
    .accordion-arrow {
        font-size: 12px;
        transition: transform 0.3s ease;
    }
    
    .accordion-header.active .accordion-arrow {
        transform: rotate(180deg);
    }
    
    .accordion-content {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        background: rgba(0,0,0,0.1);
    }
    
    .accordion-content.active {
        max-height: 500px;
        overflow-y: auto;
    }
    
    .accordion-item {
        display: flex;
        align-items: center;
        padding: 12px 20px 12px 45px;
        color: rgba(255,255,255,0.8);
        text-decoration: none;
        transition: all 0.3s ease;
        white-space: nowrap;
    }
    
    .accordion-item:hover {
        background: rgba(255,255,255,0.1);
        color: white;
        text-decoration: none;
    }
    
    .accordion-item i {
        font-size: 16px;
        min-width: 18px;
        margin-right: 12px;
        text-align: center;
    }
    
    /* Ana içerik için sol margin */
    .main-content {
        margin-left: 50px;
        transition: margin-left 0.3s ease;
        min-height: calc(100vh - 56px);
        padding-top: 0;
    }
    
    /* Sidebar expanded veya hover durumunda main content kayması */
    .main-content.shifted,
    .main-content.hover-shifted {
        margin-left: 240px;
    }
    
    /* Üst navbar */
    .modern-navbar {
        background: linear-gradient(135deg, #14A1B5 0%, #0d7d8f 50%, #0a5d6b 100%) !important;
        box-shadow: 0 2px 15px rgba(20, 161, 181, 0.3);
        z-index: 9999 !important;
        backdrop-filter: blur(10px);
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .modern-navbar .navbar-brand {
        font-weight: 700;
        font-size: 1.4rem;
        color: white !important;
        text-decoration: none;
        text-shadow: 0 2px 4px rgba(20, 161, 181, 0.3);
    }
    
    .modern-navbar .navbar-brand:hover {
        transform: scale(1.05);
        transition: all 0.3s ease;
        text-shadow: 0 2px 8px rgba(20, 161, 181, 0.5);
    }
    
    .modern-navbar .nav-link {
        color: rgba(255,255,255,0.9) !important;
        font-weight: 500;
        padding: 0.75rem 1rem !important;
        border-radius: 8px;
        margin: 0 0.2rem;
        transition: all 0.3s ease;
    }
    
    .modern-navbar .nav-link:hover {
        background: rgba(20, 161, 181, 0.3);
        color: white !important;
        transform: translateY(-2px);
        box-shadow: 0 4px 8px rgba(20, 161, 181, 0.2);
    }
    
    .modern-navbar .navbar-toggler {
        border: 2px solid rgba(20, 161, 181, 0.5);
        border-radius: 8px;
    }
    
    .modern-navbar .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(20, 161, 181, 0.25);
    }
    
    /* User dropdown */
    .dropdown-simple {
        position: relative;
    }
    
    .user-menu-trigger {
        color: white !important;
        text-decoration: none;
        padding: 0.3rem;
        cursor: pointer;
        transition: all 0.3s ease;
        display: block;
    }
    
    .user-menu-trigger:hover {
        background: rgba(20, 161, 181, 0.4);
        color: white !important;
        box-shadow: 0 2px 8px rgba(20, 161, 181, 0.3);
    }
    
    .user-dropdown-menu {
        background: white;
        border: none;
        border-radius: 12px;
        box-shadow: 0 8px 25px rgba(0,0,0,0.15);
        padding: 0.5rem 0;
        min-width: 200px;
        margin-top: 0.2rem;
        position: absolute;
        right: 0;
        top: 100%;
        z-index: 9999 !important;
        display: none;
        list-style: none;
    }
    
    .dropdown-item {
        padding: 0.75rem 1rem;
        color: #495057;
        font-weight: 500;
        border-radius: 8px;
        margin: 0.2rem 0.5rem;
        transition: all 0.3s ease;
    }
    
    .dropdown-item:hover {
        background: rgba(20, 161, 181, 0.1);
        color: #14A1B5;
        transform: translateX(5px);
    }
    
    .logout-btn {
        background: rgba(220, 53, 69, 0.1) !important;
        color: #dc3545 !important;
    }
    
    .logout-btn:hover {
        background: rgba(220, 53, 69, 0.2) !important;
        color: #dc3545 !important;
    }
    
    .navbar-profile-img {
        width: 38px;
        height: 38px;
        object-fit: cover;
        border-radius: 50%;
        margin-right: 6px;
        transition: box-shadow 0.15s, transform 0.15s;
    }
    .navbar-profile-img:hover {
        box-shadow: 0 0 0 2px #14A1B5, 0 2px 6px rgba(20,161,181,0.2);
        transform: scale(1.2) translateY(8px) translateX(-10px);
        cursor: pointer;
        z-index: 99999;
    }
    
    .sidebar-text-wrap {
        white-space: normal;
        word-break: break-word;
        overflow-wrap: anywhere;
        display: block;
        max-width: 160px;
        text-overflow: ellipsis;
    }