:root {
    --cm-primary: #0f8ea8;
    --cm-primary-dark: #0c6174;
    --cm-accent: #22b8a8;
    --cm-bg: #f4f8fb;
    --cm-text: #172033;
    --cm-muted: #667085;
    --cm-border: #d9e5ec;
}

* { letter-spacing: 0; }
body { background: var(--cm-bg); color: var(--cm-text); font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; }
a { text-decoration: none; }
.app-shell { min-height: 100vh; display: flex; }
.sidebar { width: 270px; background: #083f50; color: #fff; padding: 18px 14px; position: fixed; inset: 0 auto 0 0; z-index: 20; }
.brand { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.15rem; font-weight: 750; padding: 10px 12px 18px; }
.brand:hover { color: #fff; }
.brand-mark { width: 38px; height: 38px; display: inline-grid; place-items: center; border-radius: 8px; background: var(--cm-accent); color: #07303c; }
.sidebar-nav { display: grid; gap: 4px; }
.sidebar-nav a { color: rgba(255,255,255,.78); padding: 10px 12px; border-radius: 8px; display: flex; align-items: center; gap: 11px; font-weight: 600; }
.sidebar-nav a.active, .sidebar-nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.main { margin-left: 270px; min-width: 0; flex: 1; }
.topbar { height: 68px; background: #fff; border-bottom: 1px solid var(--cm-border); display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 0 28px; position: sticky; top: 0; z-index: 10; }
.page-title { font-weight: 750; font-size: 1.05rem; }
.content { padding: 26px; }
.panel { background: #fff; border: 1px solid var(--cm-border); border-radius: 8px; padding: 20px; box-shadow: 0 12px 24px rgba(15, 50, 65, .05); }
.panel-title { font-weight: 750; margin-bottom: 14px; }
.eyebrow { text-transform: uppercase; font-size: .72rem; font-weight: 800; color: var(--cm-primary-dark); margin-bottom: 4px; }
.dashboard-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; }
.metric-card { background: #fff; border: 1px solid var(--cm-border); border-radius: 8px; padding: 18px; display: flex; align-items: center; justify-content: space-between; min-height: 112px; }
.metric-card span { color: var(--cm-muted); display: block; font-size: .85rem; font-weight: 650; }
.metric-card strong { display: block; font-size: 1.8rem; line-height: 1.2; margin-top: 6px; }
.metric-card i { color: var(--cm-primary); font-size: 1.65rem; }
.btn-primary { --bs-btn-bg: var(--cm-primary); --bs-btn-border-color: var(--cm-primary); --bs-btn-hover-bg: var(--cm-primary-dark); --bs-btn-hover-border-color: var(--cm-primary-dark); }
.btn-outline-primary { --bs-btn-color: var(--cm-primary); --bs-btn-border-color: var(--cm-primary); --bs-btn-hover-bg: var(--cm-primary); --bs-btn-hover-border-color: var(--cm-primary); }
.select2-container--bootstrap-5 .select2-selection { border-color: #dee2e6; min-height: 38px; border-radius: 8px; }
.select2-container--bootstrap-5.select2-container--focus .select2-selection { border-color: var(--cm-primary); box-shadow: 0 0 0 .2rem rgba(15, 142, 168, .18); }
.table > :not(caption) > * > * { padding: .72rem .75rem; }
.report-tabs { display: flex; flex-wrap: wrap; gap: 8px; }
.report-tabs a { border: 1px solid var(--cm-border); color: var(--cm-primary-dark); padding: 8px 12px; border-radius: 8px; background: #fff; font-weight: 650; }
.report-tabs a.active { background: var(--cm-primary); border-color: var(--cm-primary); color: #fff; }
.login-body { min-height: 100vh; display: grid; place-items: center; background: linear-gradient(135deg, #eaf7fb, #f8fbfc); padding: 18px; }
.login-panel { width: min(440px, 100%); background: #fff; border: 1px solid var(--cm-border); border-radius: 8px; padding: 30px; box-shadow: 0 22px 45px rgba(8, 63, 80, .13); }
.login-brand { display: flex; align-items: center; gap: 13px; margin-bottom: 24px; }
.login-brand h1 { font-size: 1.65rem; margin: 0; font-weight: 800; }
.login-brand p { margin: 0; color: var(--cm-muted); }
.demo-logins { margin-top: 18px; font-size: .8rem; color: var(--cm-muted); }
.qr-box { width: 240px; min-height: 240px; display: grid; place-items: center; border: 1px solid var(--cm-border); border-radius: 8px; padding: 14px; background: #fff; }
@media (max-width: 1100px) { .dashboard-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 991px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s ease; }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
}
@media (max-width: 640px) {
    .content { padding: 16px; }
    .topbar { padding: 0 14px; }
    .dashboard-grid { grid-template-columns: 1fr; }
    .metric-card strong { font-size: 1.45rem; }
}