/* Sidebar Modern Design */
div.sidebar {
    --sidebar-primary: #003399;
    --sidebar-primary-dark: #00256f;
    --sidebar-bg: #ffffff;
    --sidebar-soft-bg: #f5f7fb;
    --sidebar-text: #263238;
    --sidebar-muted: #6b7280;
    --sidebar-border: #e5eaf2;

    font-size: 14px;
    margin-bottom: 30px;
    background: var(--sidebar-bg);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: 0 18px 45px rgba(15, 23, 42, 0.10);
    border: 1px solid var(--sidebar-border);
}

/* Başlık */
div.sidebar a.navTitle {
    position: relative;
    display: block;
    padding: 18px 22px;
    background: linear-gradient(135deg, var(--sidebar-primary), var(--sidebar-primary-dark));
    color: #ffffff;
    font-size: 17px;
    font-weight: 700;
    letter-spacing: 0.2px;
    text-decoration: none;
}

div.sidebar a.navTitle::after {
    content: "";
    position: absolute;
    right: 20px;
    top: 50%;
    width: 34px;
    height: 34px;
    background: rgba(255, 255, 255, 0.16);
    border-radius: 50%;
    transform: translateY(-50%);
}

/* Ana Liste */
div.sidebar ul {
    display: block;
    margin: 0;
    padding: 12px;
    list-style: none;
    background: var(--sidebar-bg);
}

div.sidebar ul li {
    position: relative;
    display: block;
    margin-bottom: 6px;
}

div.sidebar ul li:last-child {
    margin-bottom: 0;
}

/* Ana Menü Linkleri */
div.sidebar ul li a {
    position: relative;
    display: block;
    padding: 13px 48px 13px 16px;
    background: var(--sidebar-soft-bg);
    color: var(--sidebar-text);
    border-radius: 12px;
    font-weight: 500;
    line-height: 1.4;
    text-decoration: none;
    transition: all 0.25s ease;
}

div.sidebar ul li a::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 4px;
    height: 0;
    background: var(--sidebar-primary);
    border-radius: 0 6px 6px 0;
    transform: translateY(-50%);
    transition: height 0.25s ease;
}

div.sidebar ul li a:hover {
    background: #eef3ff;
    color: var(--sidebar-primary);
    text-decoration: none;
    transform: translateX(4px);
}

div.sidebar ul li a:hover::before {
    height: 55%;
}

/* Aktif Menü */
div.sidebar ul li a.navActive,
div.sidebar ul li a.navActive:hover,
a.navActive {
    background: var(--sidebar-primary);
    color: #ffffff;
    font-weight: 700;
    border-left: 0;
    box-shadow: 0 10px 24px rgba(0, 51, 153, 0.25);
}

div.sidebar ul li a.navActive::before,
a.navActive::before {
    height: 60%;
    background: #ffffff;
}

/* Alt Menü */
div.sidebar ul.subNav {
    display: none;
    position: relative;
    margin: 6px 0 4px 0;
    padding: 8px 0 0 14px;
    background: transparent;
}

div.sidebar ul.subNav::before {
    content: "";
    position: absolute;
    left: 14px;
    top: 0;
    bottom: 8px;
    width: 1px;
    background: var(--sidebar-border);
}

div.sidebar ul.subNav li {
    display: block;
    position: relative;
    margin-bottom: 6px;
}

/* 1. Seviye Alt Menü Linkleri */
div.sidebar ul.subNav li a {
    position: relative;
    display: block;
    background: #ffffff;
    color: var(--sidebar-muted);
    border: 1px solid var(--sidebar-border);
    border-radius: 10px;
    padding: 11px 42px 11px 18px;
    font-size: 13px;
    font-weight: 500;
    box-shadow: none;
}

div.sidebar ul.subNav li a:hover {
    background: #f4f7ff;
    color: var(--sidebar-primary);
    text-decoration: none;
    transform: translateX(3px);
}

/* 2. Seviye Alt Menü Linkleri */
div.sidebar ul.subNav li ul.subNav {
    padding-left: 14px;
}

div.sidebar ul.subNav li ul.subNav li a {
    position: relative;
    display: block;
    background: #fafbff;
    color: var(--sidebar-muted);
    border: 1px solid #edf1f7;
    border-radius: 9px;
    padding: 10px 38px 10px 20px;
    font-size: 12.5px;
}

div.sidebar ul.subNav li ul.subNav li a:hover {
    background: #eef3ff;
    color: var(--sidebar-primary);
    text-decoration: none;
}

/* Aç/Kapat Butonu */
.menuplus {
    position: absolute;
    right: 12px;
    top: 7px;
    width: 30px;
    height: 30px;
    line-height: 30px;
    margin: 0;
    display: block;
    text-align: center;
    cursor: pointer;
    border-radius: 9px;
    background: rgba(0, 51, 153, 0.08);
    color: var(--sidebar-primary);
    border: 0;
    transition: all 0.25s ease;
    z-index: 2;
}

.menuplus i {
    transition: transform 0.25s ease;
}

.menuplus:hover {
    background: var(--sidebar-primary);
    color: #ffffff;
    box-shadow: 0 8px 18px rgba(0, 51, 153, 0.24);
}

/* Aktif olan aç/kapat butonu */
.menuplus.navActive {
    background: rgba(255, 255, 255, 0.18);
    color: #ffffff;
}

/* Açık menü ikonu */
.menuplus.navActive i {
    transform: rotate(180deg);
}

/* Aktif alt menü */
div.sidebar ul.subNav li a.navActive {
    background: #eef3ff;
    color: var(--sidebar-primary);
    border-color: rgba(0, 51, 153, 0.25);
    box-shadow: none;
}

/* Mobil Uyumluluk */
@media (max-width: 991px) {
    div.sidebar {
        border-radius: 14px;
        margin-bottom: 24px;
    }

    div.sidebar a.navTitle {
        padding: 16px 18px;
        font-size: 16px;
    }

    div.sidebar ul {
        padding: 10px;
    }

    div.sidebar ul li a {
        padding: 12px 44px 12px 14px;
    }

    .menuplus {
        right: 10px;
        top: 7px;
    }
}