:root {
    --primary-color: #407AAC;
    --secondary-color: #5D5C61;
    --light-color: #F7F9FB;
    --dark-color: #333333;
    --success-color: #4CAF50;
    --warning-color: #FFC107;
    --danger-color: #F44336;
}

body {
    background-color: var(--light-color);
    font-family: 'Poppins', sans-serif;
}

.bg-primary {
    background-color: var(--primary-color) !important;
}

.text-primary {
    color: var(--primary-color) !important;
}

.btn-primary {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-primary:hover {
    background-color: #3569A1;
    border-color: #3569A1;
}

.btn-outline-primary {
    color: var(--primary-color);
    border-color: var(--primary-color);
}

.btn-outline-primary:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
}

.card {
    border-radius: 0.5rem;
    border: none;
}

.card-header {
    border-radius: 0.5rem 0.5rem 0 0 !important;
}

.shadow-sm {
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075) !important;
}

.navbar-brand {
    font-weight: 700;
    color: var(--primary-color) !important;
}

.nav-link.active {
    color: var(--primary-color) !important;
    font-weight: 600;
}

.sidebar {
    min-height: calc(100vh - 56px);
    background-color: #fff;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
}

.sidebar-link {
    display: block;
    padding: 0.75rem 1rem;
    color: var(--secondary-color);
    text-decoration: none;
    border-left: 3px solid transparent;
    transition: all 0.3s ease;
}

.sidebar-link:hover, .sidebar-link.active {
    background-color: rgba(64, 122, 172, 0.1);
    color: var(--primary-color);
    border-left-color: var(--primary-color);
}

.sidebar-link i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

.sidebar-heading {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.reports-submenu .sidebar-link {
    padding-left: 2rem;
    font-size: 0.9rem;
}

.reports-submenu .sidebar-link i {
    font-size: 0.8rem;
}

/* Mobil Menü Stilleri */
@media (max-width: 767.98px) {
    .navbar-nav.d-md-none {
        margin-bottom: 1rem;
        border-bottom: 1px solid #eee;
        padding-bottom: 1rem;
    }

    .navbar-nav.d-md-none .nav-link {
        padding: 0.5rem 1rem;
        color: var(--dark-color);
    }

    .navbar-nav.d-md-none .nav-link:hover {
        background-color: var(--light-color);
        color: var(--primary-color);
    }

    .navbar-nav.d-md-none .nav-link.active {
        color: var(--primary-color);
        background-color: var(--light-color);
        font-weight: 600;
    }

    .navbar-nav.d-md-none .dropdown-menu {
        border: none;
        background-color: var(--light-color);
        padding: 0;
    }

    .navbar-nav.d-md-none .dropdown-item {
        padding: 0.5rem 2rem;
    }

    .navbar-nav.d-md-none .dropdown-item.active {
        background-color: transparent;
        color: var(--primary-color);
        font-weight: 600;
    }

    .navbar-nav.d-md-none .nav-link i {
        width: 20px;
        text-align: center;
        margin-right: 0.5rem;
    }

    .mobile-reports-submenu {
        background-color: rgba(64, 122, 172, 0.05);
        border-left: 3px solid var(--primary-color);
        margin-left: 1rem;
    }

    .mobile-reports-submenu .nav-link {
        padding: 0.5rem 1rem;
        font-size: 0.9rem;
    }

    .mobile-reports-submenu .nav-link i {
        width: 20px;
        text-align: center;
        margin-right: 0.5rem;
        font-size: 0.8rem;
    }

    .mobile-reports-submenu .nav-link:hover,
    .mobile-reports-submenu .nav-link.active {
        color: var(--primary-color);
        background-color: rgba(64, 122, 172, 0.1);
    }
}