/* Core application styles for layout and theme */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f5f6f8;
    color: #212529;
    min-height: 100vh;
    margin: 0;
    overflow-x: hidden;
}
#layout-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.navbar-header {
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: fixed;
    width: 100%;
    z-index: 1000;
}
.navbar-brand-box {
    padding: 0 15px;
}
.logo {
    display: flex;
    align-items: center;
}
.logo i {
    font-size: 1.5rem;
}
.logo span {
    font-size: 1.2rem;
    font-weight: 600;
}
.header-item {
    color: #545454;
    font-size: 1.5rem;
    margin: 0 10px;
    cursor: pointer;
}
.header-profile-user {
    width: 32px;
    height: 32px;
    line-height: 32px;
    text-align: center;
}
.dropdown-menu {
    background: #fff;
    border: 1px solid #e9ecef;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}
.vertical-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 250px;
    height: 100%;
    background: #1a1a2e;
    padding: 20px;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s ease;
    z-index: 1000;
}
.vertical-menu .menu-title {
    font-size: 1.1rem;
    color: #6c757d;
    text-transform: uppercase;
    margin: 20px 0 10px;
    padding-left: 15px;
}
.vertical-menu .metismenu {
    list-style: none;
    padding: 0;
}
.vertical-menu .metismenu li {
    margin-bottom: 5px;
}
.vertical-menu .metismenu a {
    display: flex;
    align-items: center;
    color: #adb5bd;
    text-decoration: none;
    padding: 10px 15px;
    border-radius: 5px;
    transition: all 0.2s ease;
}
.vertical-menu .metismenu a i {
    margin-right: 10px;
    font-size: 1.2rem;
}
.vertical-menu .metismenu a:hover,
.vertical-menu .metismenu a.active {
    background: #7066e0;
    color: #fff;
}
.main-content {
    margin-left: 250px;
    padding: 20px;
    flex: 1;
    min-height: calc(100vh - 60px);
}
.page-content {
    padding-bottom: 60px;
}
.page-title-box {
    background: #fff;
    padding: 15px 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
    margin-bottom: 20px;
}
.page-title-box h4 {
    margin: 0;
    font-weight: 600;
    color: #212529;
}
.card {
    background: #fff;
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}
.card-body {
    padding: 20px;
}
.footer {
    background: #fff;
    padding: 15px 20px;
    position: fixed;
    bottom: 0;
    width: calc(100% - 250px);
    box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.08);
    z-index: 999;
}
.authentication-bg {
    background: linear-gradient(to right, #7066e0, #4b3cba);
    background-size: cover;
}
.bg-login {
    background: linear-gradient(to right, #7066e0, #4b3cba);
    padding: 20px;
    position: relative;
}
.bg-login-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}
.bg-login .position-relative {
    z-index: 2;
}
@media (max-width: 768px) {
    .vertical-menu {
        transform: translateX(-100%);
    }
    .vertical-menu.active {
        transform: translateX(0);
    }
    .main-content {
        margin-left: 0;
    }
    .footer {
        width: 100%;
    }
    #vertical-menu-btn {
        display: block;
    }
}