:root {
    --bg: #f3f7f4;
    --ink: #142218;
    --muted: #66736b;
    --panel: rgba(255, 255, 255, 0.92);
    --line: rgba(20, 34, 24, 0.08);
    --brand: #0f9d58;
    --brand-dark: #0a6b3b;
    --accent: #dff4e7;
    --warning: #fff0c2;
}

body.app-shell,
body.login-screen {
    font-family: 'Manrope', sans-serif;
    color: var(--ink);
    min-height: 100vh;
    background:
        radial-gradient(circle at top left, rgba(15, 157, 88, 0.18), transparent 28%),
        radial-gradient(circle at right 20%, rgba(255, 193, 7, 0.18), transparent 24%),
        linear-gradient(135deg, #eef7f0 0%, #f9fbfa 100%);
}

.sidebar {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: rgba(20, 34, 24, 0.92);
    color: #f5fff8;
}

.brand-mark {
    display: flex;
    align-items: center;
    gap: 0.85rem;
}

.brand-badge {
    width: 48px;
    height: 48px;
    border-radius: 16px;
    display: grid;
    place-items: center;
    background: linear-gradient(135deg, #42d392, #0f9d58);
    color: #fff;
    font-weight: 800;
}

.brand-title {
    font-size: 1.1rem;
    font-weight: 800;
}

.brand-subtitle,
.sidebar small {
    color: rgba(245, 255, 248, 0.68);
}

.nav-link {
    border-radius: 14px;
    padding: 0.9rem 1rem;
    color: rgba(245, 255, 248, 0.88);
    background: rgba(255, 255, 255, 0.04);
}

.nav-link:hover,
.nav-link.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(66, 211, 146, 0.3), rgba(15, 157, 88, 0.58));
}

.sidebar-card,
.glass-card,
.metric-card {
    border: 1px solid var(--line);
    border-radius: 24px;
    background: var(--panel);
    box-shadow: 0 18px 40px rgba(20, 34, 24, 0.08);
}

.sidebar-card {
    padding: 1rem;
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.08);
}

.metric-card,
.glass-card {
    padding: 1.25rem;
}

.metric-value {
    font-size: 2rem;
    font-weight: 800;
}

.metric-label,
.text-muted-soft {
    color: var(--muted);
}

.hero-card {
    padding: 1.5rem;
    border-radius: 28px;
    background: linear-gradient(135deg, rgba(15, 157, 88, 0.96), rgba(8, 84, 47, 0.9));
    color: #fff;
    overflow: hidden;
    position: relative;
}

.hero-card::after {
    content: '';
    position: absolute;
    inset: auto -3rem -3rem auto;
    width: 180px;
    height: 180px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: 38px;
    transform: rotate(24deg);
}

.table-modern {
    --bs-table-bg: transparent;
}

.badge-soft {
    border-radius: 999px;
    padding: 0.5rem 0.8rem;
    font-weight: 700;
    background: var(--accent);
    color: var(--brand-dark);
}

.badge-soft.offline {
    background: #f3f3f3;
    color: #606060;
}

.badge-soft.connecting {
    background: var(--warning);
    color: #7f5b00;
}

.login-wrapper {
    min-height: 100vh;
    display: grid;
    place-items: center;
    padding: 2rem;
}

.login-card {
    max-width: 980px;
    border-radius: 32px;
    overflow: hidden;
}

.login-promo {
    background: linear-gradient(160deg, #082214, #0f9d58);
    color: #fff;
}

.login-promo ul {
    padding-left: 1rem;
}

.qr-box {
    width: 100%;
    min-height: 320px;
    border-radius: 20px;
    background: linear-gradient(135deg, #eff6f1, #fefefe);
    display: grid;
    place-items: center;
    border: 1px dashed rgba(20, 34, 24, 0.12);
}

.qr-box img {
    max-width: 100%;
    border-radius: 14px;
}

.code-block {
    border-radius: 16px;
    background: #0d1b13;
    color: #dff4e7;
    padding: 1rem;
    white-space: pre-wrap;
    word-break: break-word;
}

@media (max-width: 991.98px) {
    .sidebar {
        min-height: auto;
    }
}