:root {
    --navbar-height: 56px;
    --sidebar-width: 250px;
    --sidebar-bg: hsl(0, 0%, 10%);
}

/* ---------------------------------------------------------------- Shell */
.app-navbar {
    position: fixed;
    inset: 0 0 auto 0;
    height: var(--navbar-height);
    z-index: 1030;
}

.app-body {
    display: flex;
    padding-top: var(--navbar-height);
    min-height: 100vh;
}

.app-sidebar {
    position: fixed;
    top: var(--navbar-height);
    bottom: 0;
    left: 0;
    width: var(--sidebar-width);
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    z-index: 1020;
    transition: transform .2s ease;
}

.sidebar-inner {
    flex: 1;
    overflow-y: auto;
    padding-top: 1.5rem;
}

.sidebar-heading {
    font-size: .8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .05em;
    color: rgba(255, 255, 255, .5);
    padding-left: 1rem;
    margin-bottom: .5rem;
}

.sidebar-link {
    display: block;
    padding: .5rem 1.5rem;
    color: #f8f9fa;
    font-weight: 500;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar-link:hover,
.sidebar-link:focus-visible {
    background-color: rgba(255, 255, 255, .08);
    color: #fff;
}

.sidebar-link.active {
    background-color: rgba(13, 110, 253, .25);
    border-left-color: #0d6efd;
    color: #fff;
}

.sidebar-footer {
    background-color: #212529;
    padding: 1rem;
}

.app-content {
    flex: 1;
    min-width: 0;
    margin-left: var(--sidebar-width);
    padding: 1.25rem;
    transition: margin-left .2s ease;
    outline: none;
}

body.sidebar-collapsed .app-sidebar { transform: translateX(-100%); }
body.sidebar-collapsed .app-content { margin-left: 0; }

.sidebar-backdrop { display: none; }

/* Mobile: sidebar jadi overlay */
@media (max-width: 991.98px) {
    .app-sidebar { transform: translateX(-100%); }
    .app-content { margin-left: 0; padding: 1rem; }

    body.sidebar-open .app-sidebar { transform: translateX(0); }
    body.sidebar-open .sidebar-backdrop {
        display: block;
        position: fixed;
        inset: var(--navbar-height) 0 0 0;
        background: rgba(0, 0, 0, .4);
        z-index: 1010;
    }
}

/* -------------------------------------------------------- Progress bar */
.nav-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    width: 0;
    background: #0d6efd;
    z-index: 2000;
    opacity: 0;
    pointer-events: none;
}

.nav-progress.active {
    opacity: 1;
    width: 80%;
    transition: width 2s cubic-bezier(.1, .7, .2, 1);
}

.nav-progress.done {
    width: 100%;
    opacity: 0;
    transition: width .2s ease, opacity .3s ease .1s;
}

/* --------------------------------------------------------------- Tables */
.table-fit {
    width: 1%;
    white-space: nowrap;
}

.sort-link {
    color: inherit;
    text-decoration: none;
    white-space: nowrap;
}

.sort-link:hover { text-decoration: underline; }

.sort-icon {
    font-size: .7em;
    opacity: .4;
    margin-left: .15rem;
}

.sort-link.active .sort-icon { opacity: 1; }

/* ---------------------------------------------------------------- Misc */
.form-card { max-width: 760px; }

.chart-box {
    position: relative;
    height: 300px;
}

.stat-card { transition: transform .1s ease, box-shadow .1s ease; }
.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 .25rem .75rem rgba(0, 0, 0, .08);
}

.login-wrapper {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 1rem;
}

.login-card {
    width: 100%;
    max-width: 420px;
}

.login-logo {
    max-width: 200px;
    max-height: 130px;
    object-fit: contain;
}

.navbar-logo {
    height: 34px;
    width: auto;
    border-radius: .375rem;
}

.lampiran-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
}