:root {
    --rm-primary: #1d4e89;
    --rm-primary-dark: #143655;
    --rm-secondary: #5b6b79;
    --rm-light-grey: #f4f6f8;
    --rm-border: #e1e6ea;
    --rm-accent: #2e86ab;
}

body {
    background-color: var(--rm-light-grey);
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
}

.guest-body {
    background: linear-gradient(135deg, var(--rm-primary-dark), var(--rm-primary) 60%, var(--rm-accent));
}

.guest-logo {
    font-size: 2.5rem;
    color: #fff;
}

/* App shell */
.app-sidebar {
    width: 260px;
    min-height: 100vh;
    background: linear-gradient(180deg, var(--rm-primary-dark), var(--rm-primary));
    color: #fff;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1030;
    transition: transform 0.25s ease;
}

.app-sidebar .brand {
    padding: 1.1rem 1.25rem;
    border-bottom: 1px solid rgba(255,255,255,0.12);
}

.app-sidebar .nav-link {
    color: rgba(255,255,255,0.85);
    padding: 0.6rem 1.25rem;
    border-left: 3px solid transparent;
    font-size: 0.92rem;
}

.app-sidebar .nav-link:hover,
.app-sidebar .nav-link.active {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: #fff;
}

.app-sidebar .nav-link i {
    width: 22px;
    display: inline-block;
}

.app-sidebar .nav-header {
    color: rgba(255,255,255,0.5);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 0.85rem 1.25rem 0.25rem;
}

.app-main {
    margin-left: 260px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.app-topbar {
    background: #fff;
    border-bottom: 1px solid var(--rm-border);
    padding: 0.65rem 1.25rem;
    position: sticky;
    top: 0;
    z-index: 1020;
}

.app-content {
    padding: 1.5rem;
    flex: 1;
}

.kpi-card {
    border: none;
    border-radius: 0.6rem;
    color: #fff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.08);
}

.kpi-card .kpi-icon {
    font-size: 2rem;
    opacity: 0.85;
}

.bg-rm-blue { background: linear-gradient(135deg, #1d4e89, #2e86ab); }
.bg-rm-grey { background: linear-gradient(135deg, #5b6b79, #3f4b56); }
.bg-rm-green { background: linear-gradient(135deg, #1f8a55, #2bb673); }
.bg-rm-orange { background: linear-gradient(135deg, #c1641c, #e08a3c); }

.card-section {
    border: 1px solid var(--rm-border);
    border-radius: 0.6rem;
}

.table thead th {
    background-color: var(--rm-light-grey);
    border-bottom: 2px solid var(--rm-border);
    font-size: 0.82rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--rm-secondary);
}

.badge-status-active { background-color: #1f8a55; }
.badge-status-inactive { background-color: #8a8f96; }

@media (max-width: 991.98px) {
    .app-sidebar {
        transform: translateX(-100%);
    }
    .app-sidebar.show {
        transform: translateX(0);
    }
    .app-main {
        margin-left: 0;
    }
}

@media print {
    .app-sidebar, .app-topbar, .no-print { display: none !important; }
    .app-main { margin-left: 0 !important; }
}