:root {
    --sb-width: 260px;
    --clr-sb: #1f2d3d;
    --tr: .25s ease;
    --topbar-h: 76px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 20px;
    font-family: Poppins, Arial, Helvetica, sans-serif;
    background: #f8f9fa;
    overflow-x: hidden;
}

/* Jarak agar konten tidak tertutup topbar */
.main {
    padding-top: var(--topbar-h);
}
.container h2 {
    margin-top: calc(var(--topbar-h) + 20px);
}
/* TOPBAR */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--topbar-h);
    padding: 0.8rem;
    background: var(--clr-sb);
    display: flex;
    align-items: center;
    justify-content: space-between;
    z-index: 1040;
    transition: transform 0.3s ease-in-out;
}

.topbar.hidden {
    transform: translateY(-100%);
}

.brand {
    display: flex;
    align-items: center;
    gap: .1rem;
    white-space: nowrap;
}

.brand img {
    width: 70px;
    height: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-text .esurvey,
.brand-text .unsri {
    font-weight: 600;
    font-size: 1rem;
}

.controls .btn-top {
    color: #fff;
    background: none;
    border: 0;
    font-size: 1.35rem;
}

.search-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    position: absolute;
    right: calc(100% + .5rem);
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    opacity: 0;
    border: 0;
    border-radius: 20px;
    padding: 5px 12px;
    font-size: .85rem;
    background: #fff;
    transition: width var(--tr), opacity var(--tr), border var(--tr);
}

.search-wrap.show .search-input {
    width: 180px;
    opacity: 1;
    border: 1px solid #ced4da;
}

/* SIDEBAR */
.sidebar {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    height: calc(100vh - var(--topbar-h));
    width: var(--sb-width);
    background: var(--clr-sb);
    color: #fff;
    padding-top: 1rem;
    transition: transform var(--tr);
    z-index: 1030;
}

body.sb-hidden .sidebar {
    transform: translateX(-100%);
}

/* MOBILE NAV */
.mobile-nav {
    position: fixed;
    top: var(--topbar-h);
    left: 0;
    right: 0;
    background: var(--clr-sb);
    color: #fff;
    transform: translateY(-100%);
    transition: transform var(--tr);
    z-index: 1035;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: none;
}

.mobile-nav.show {
    transform: translateY(0);
}

.mobile-nav .menu {
    display: flex;
    align-items: center;
    gap: .9rem;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    padding: .8rem 1.2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: background-color var(--tr);
}

.mobile-nav .menu:hover,
.mobile-nav .menu.active {
    background-color: rgba(255, 255, 255, 0.1);
}

.mobile-nav .menu:last-child {
    border-bottom: none;
}

.mobile-nav .menu .icon {
    width: 38px;
    font-size: 1.35rem;
    text-align: center;
}

/* DESKTOP SIDEBAR MENU */
.sidebar .menu {
    display: flex;
    align-items: center;
    gap: .9rem;
    font-size: 1rem;
    font-weight: 500;
    color: #fff;
    text-decoration: none;
    padding: .7rem 1.2rem;
    position: relative;
}

.sidebar .menu .icon {
    width: 38px;
    font-size: 1.35rem;
    text-align: center;
    z-index: 1;
}

.sidebar .menu::after {
    content: '';
    position: absolute;
    inset: 4px 10px;
    border-radius: 999px;
    background: rgba(255, 255, 255, .16);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform .25s ease;
    z-index: 0;
}

.sidebar .menu:hover::after,
.sidebar .menu.active::after {
    transform: scaleX(1);
}

/* RESPONSIVE */
@media (max-width: 768px) {
    .sidebar {
        display: none;
    }

    .mobile-nav {
        display: block;
    }

    .main {
        margin-left: 0;
    }

    .sb-hidden .main {
        margin-left: 0;
    }

    .brand img {
        width: 60px;
    }

    .brand-text .esurvey,
    .brand-text .unsri {
        font-size: 0.9rem;
    }

    .controls {
        gap: .6rem;
    }

    .search-wrap.show .search-input {
        width: 140px;
    }

    .overlay {
        display: none !important;
    }

    .brand-text {
        display: flex !important;
    }
}

/* KONTEN */
.filter-section {
    background: white;
    padding: 15px;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    margin-bottom: 20px;
}

.chart-container {
    background: white;
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 30px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#stackedBarChart {
    height: 400px !important;
}

.table-responsive {
    margin-top: 20px;
}