html, body {
    height: 100%;
    margin: 0;
    background: #05070b;
}

.app-shell {
    position: relative;
    min-height: 100vh;
    background: transparent;
}

.side-strip {
    position: fixed;
    top: 0;
    left: 0;
    width: 52px;
    height: 100vh;

    background:
            linear-gradient(
                    90deg,
                    rgba(16, 42, 74, 0.92) 0%,
                    rgba(10, 27, 50, 0.72) 48%,
                    rgba(7, 20, 38, 0.38) 100%
            );

    border-right: 1px solid rgba(148, 190, 255, 0.08);

    box-shadow:
            inset -1px 0 0 rgba(255, 255, 255, 0.025);

    display: flex;
    align-items: flex-start;
    justify-content: center;
    z-index: 1000;
}

.app-main {
    position: relative;
    z-index: 10;
    margin-left: 52px;
    min-height: 100vh;
    background: transparent;
}

/* Icon-only nav */
.icon-nav {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 14px;
    gap: 14px;
}

.icon-nav a {
    width: 100%;
    text-align: center;
    padding: 10px 0;
    color: #fff;
    text-decoration: none;
    opacity: 0.75;
}

.icon-nav a:hover {
    opacity: 1.0;
}

.icon-nav a.active {
    opacity: 1.0;
}

.icon-nav .bi {
    font-size: 18px;
    line-height: 1;
}