.bi {
	fill: currentColor;
	min-width: 1em;
	text-align: center;
    display: inline-block;
}

/* ===== Sidebar (always dark) ===== */
.sf-sidebar {
    width: 260px;
    flex-shrink: 0;
    background: linear-gradient(180deg, #262a35, #1a1d24);
}

.sf-brand { color: #fff; }

.sf-sidebar .nav-link {
    color: rgba(255, 255, 255, .55);
    font-size: .875rem;
    padding: .5rem .75rem;
    border-radius: .5rem;
    transition: color .15s ease, background-color .15s ease;
}

.sf-sidebar .nav-link:hover {
    color: rgba(255, 255, 255, .9);
    background: rgba(255, 255, 255, .08);
}

.sf-sidebar .nav-link.active {
    color: #fff;
    background: var(--bs-primary);
}

.sf-nav-section {
    font-size: .7rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: rgba(255, 255, 255, .3);
    padding: 1rem .75rem .25rem;
}

/* ===== Topbar ===== */
.sf-topbar {
    height: 52px;
    flex-shrink: 0;
}

/* ===== Cards ===== */
.card {
    box-shadow: 0 1px 3px rgba(0, 0, 0, .07);
}

/* ===== Tables ===== */
.table th {
    font-weight: 600;
    font-size: .75rem;
    text-transform: uppercase;
    letter-spacing: .04em;
    color: var(--bs-secondary-color);
}

.table > :not(caption) > * > * {
    padding: .625rem .75rem;
}

.sf-row-anomaly {
    --bs-table-bg: rgba(var(--bs-warning-rgb), .12);
    --bs-table-hover-bg: rgba(var(--bs-warning-rgb), .18);
}

/* ===== CodeMirror ===== */
.cm-editor-form-control .cm-editor {
    border: 1px solid var(--bs-border-color);
    border-radius: var(--bs-border-radius);
}

.cm-editor-form-control .cm-editor .cm-scroller {
    min-height: 230px;
    font-family: var(--bs-font-monospace);
}

/* ===== Login page ===== */
.form-signin {
    max-width: 400px;
    margin-inline: auto;
}

/* ===== Transitions ===== */
html {
    transition: background-color .2s ease, color .2s ease;
}