:root {
    --header-h: 56px;
    /* alto del header global (derecha) */
    --header-offset: 16px;
    --sidebar-w: 280px;
    /* ancho del sidebar */
    --bg: #f5f9ff;
}

html,
body {
    height: 100%;
    margin: 0;
}

body {
    background: var(--bg);
    color: #0f172a;
}

/* =================== Dark =================== */
body.dark {
    background: #0f172a;
    color: #e5e7eb;
}

body.dark .card {
    background: #0f1b2e;
    color: #e5e7eb;
}

body.dark .header,
body.dark .header-minimal,
body.dark .app-header {
    background: transparent !important;
}

/* Demo */
.panelColor {
    background: var(--primary, #1e90ff);
    height: 64px;
    border-radius: 10px;
}

.digits {
    display: flex;
    gap: 8px;
    justify-content: center;
}

.digit {
    width: 50px;
    height: 80px;
    background: #333;
    color: #fff;
    font-size: 3em;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .25);
}

/* =================== Responsive =================== */
@media (max-width: 992px) {
    :root {
        --sidebar-w: 240px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-w: 0px;
    }

    .nav-header {
        left: 0;
        width: 100%;
        height: var(--nav-header-h);
    }

    /* ocupa ancho completo si ocultas sidebar */
    .sidebar-fixed {
        display: none;
    }

    .header,
    .header-minimal,
    .app-header {
        left: 0 !important;
        width: 100% !important;
    }

    .content-with-sidebar {
        margin-left: 0;
    }
}

.header,
.header-minimal,
.app-header {
    position: fixed;
    top: var(--header-offset);
    left: var(--sidebar-w);
    width: calc(100% - var(--sidebar-w));
    height: var(--header-h);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding: 0 18px;
    z-index: 1002;
    background: transparent;
    /* o #fff si lo prefieres sólido */
}

/* Contenido: empújalo hacia abajo para no quedar detrás del header */
.content-with-sidebar {
    padding-top: calc(var(--header-h) + var(--header-offset));
}

/* Responsive (si la sidebar se superpone en móviles) */
@media (max-width: 991.98px) {

    .header,
    .header-minimal,
    .app-header {
        left: 0;
        width: 100%;
    }
}