/* ═══ APP SHELL ═══ */
.app-shell{display:flex;flex-direction:column;height:100vh;background:var(--bg)}
/* Topbar: surface-white strip with a stronger bottom shadow for clear separation */
.app-topbar{height:60px;background:var(--surface);border-bottom:1px solid var(--border);display:flex;align-items:center;padding:0 24px;gap:16px;flex-shrink:0;box-shadow:0 1px 0 var(--border),0 2px 12px rgba(11,15,26,.06)}
.topbar-logo{font-family:'Playfair Display',serif;font-size:18px;font-weight:700;color:var(--ink);display:flex;align-items:center;gap:8px;text-decoration:none}
.topbar-logo .tl-mark{width:28px;height:28px;background:var(--ink);border-radius:8px;display:flex;align-items:center;justify-content:center}
.topbar-logo .tl-mark svg{width:15px;height:15px;fill:var(--gold)}
.topbar-spacer{flex:1}
.topbar-breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.topbar-breadcrumb .sep{color:var(--border2)}.topbar-breadcrumb .cur{color:var(--ink);font-weight:500}
.topbar-user{display:flex;align-items:center;gap:10px;padding:6px 12px;border-radius:var(--radius-sm);background:var(--bg);border:1px solid var(--border);cursor:pointer}
.topbar-avatar{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:#fff;flex-shrink:0}
.topbar-user-name{font-size:13px;font-weight:500;color:var(--ink)}
.topbar-user-role{font-size:11px;color:var(--muted)}
.topbar-signout{font-size:12px;color:var(--muted);background:none;border:none;cursor:pointer;padding:4px 8px;border-radius:4px}.topbar-signout:hover{background:var(--bg);color:var(--ruby)}
.app-body{display:flex;flex:1;overflow:hidden}

/* ═══ SIDEBAR ═══ */
/* Sidebar uses bg (not surface) so cards float visually above it */
.sidebar{width:220px;background:var(--bg);border-right:1px solid var(--border);overflow-y:auto;overflow-x:hidden;flex-shrink:0;padding:12px 0;transition:width .22s cubic-bezier(.4,0,.2,1);display:flex;flex-direction:column}
.sidebar-section-label{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);padding:12px 18px 4px;font-weight:600;flex-shrink:0}
.nav-link{display:flex;align-items:center;gap:10px;padding:9px 18px;font-size:13px;font-weight:500;color:var(--slate);cursor:pointer;border-left:3px solid transparent;transition:background .12s,color .12s;overflow:hidden;white-space:nowrap;position:relative;flex-shrink:0}
.nav-link:hover{background:rgba(11,15,26,.04);color:var(--ink)}
.nav-link.active{background:rgba(212,168,67,.1);color:var(--ink);border-left-color:var(--gold);font-weight:600}
.nav-link .nl-icon{width:17px;text-align:center;font-size:14px;flex-shrink:0}
.nav-link .nl-label{overflow:hidden;white-space:nowrap;transition:opacity .15s,max-width .22s cubic-bezier(.4,0,.2,1);max-width:180px}
.nav-link .nl-badge{margin-left:auto;color:#fff;font-size:10px;padding:1px 6px;border-radius:10px;flex-shrink:0;transition:all .15s}
.nav-link .nl-badge.red{background:var(--ruby)}
.nav-link .nl-badge.gold{background:var(--gold);color:var(--ink)}
.nav-link .nl-badge.green{background:var(--emerald)}
.section-divider{font-size:10px;text-transform:uppercase;letter-spacing:.1em;color:var(--muted);font-weight:600;padding:14px 18px 4px;border-top:1px solid var(--border);margin-top:6px;flex-shrink:0}

/* ── Sidebar collapse toggle button ── */
.sidebar-collapser{display:flex;align-items:center;justify-content:center;margin:auto 0 8px;padding:8px 0;cursor:pointer;color:var(--muted);font-size:11px;gap:6px;border-top:1px solid var(--border);transition:color .15s}
.sidebar-collapser:hover{color:var(--ink)}
.sidebar-collapser svg{width:14px;height:14px;flex-shrink:0;transition:transform .22s cubic-bezier(.4,0,.2,1)}

/* ── Collapsed icon-rail state ── */
.sidebar.collapsed{width:56px}
.sidebar.collapsed .nl-label{max-width:0;opacity:0;pointer-events:none}
.sidebar.collapsed .nl-badge{position:absolute;top:4px;right:4px;min-width:14px;height:14px;font-size:9px;padding:0 3px;line-height:14px;margin-left:0}
.sidebar.collapsed .sidebar-section-label{display:none}
.sidebar.collapsed .section-divider{display:none}
.sidebar.collapsed .nav-link{padding:10px 0;justify-content:center;gap:0}
.sidebar.collapsed .nav-link .nl-icon{width:20px;font-size:16px}
.sidebar.collapsed .nav-link.active{background:rgba(212,168,67,.1);border-left-color:var(--gold)}
.sidebar.collapsed .sidebar-collapser{padding:10px 0;border-top:1px solid var(--border)}
.sidebar.collapsed .sidebar-collapser svg{transform:rotate(180deg)}
.sidebar.collapsed .sidebar-collapser .sc-label{display:none}
.app-main{flex:1;overflow-y:auto;padding:0}

/* ═══ VIEWS ═══ */
.view{display:none;padding:28px}
.view.active{display:block}
.view-header{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.view-title{font-family:'Playfair Display',serif;font-size:26px;font-weight:700;color:var(--ink)}
.view-sub{font-size:13px;color:var(--muted);font-weight:300;margin-top:2px}
.view-actions{display:flex;gap:8px;flex-wrap:wrap}

/* ═══ KPI ROW ═══ */
.kpi-row{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px;margin-bottom:24px}
.kpi{background:var(--surface);border-radius:var(--radius);padding:18px 20px;border:1px solid var(--border);box-shadow:var(--shadow)}
.kpi-label{font-size:10px;text-transform:uppercase;letter-spacing:.07em;color:var(--muted);font-weight:600;margin-bottom:5px}
.kpi-val{font-family:'Playfair Display',serif;font-size:28px;font-weight:700;color:var(--ink);line-height:1.1}
.kpi-sub{font-size:11px;color:var(--muted);margin-top:3px}
.kpi-badge{display:inline-flex;align-items:center;font-size:10px;padding:2px 6px;border-radius:10px;margin-left:4px;font-weight:600}
.kpi-badge.up{background:var(--em-bg);color:var(--emerald)}
.kpi-badge.dn{background:var(--ru-bg);color:var(--ruby)}
.kpi-badge.warn{background:var(--am-bg);color:var(--amber)}
.kpi-badge.gold{background:var(--gold-bg);color:#92700E}
.kpi-trend{display:inline-flex;align-items:center;gap:3px;font-size:10px;padding:2px 6px;border-radius:10px;margin-left:4px;font-weight:600}
.kpi-trend.up{background:var(--em-bg);color:var(--emerald)}
.kpi-trend.dn{background:var(--ru-bg);color:var(--ruby)}
.kpi-trend.warn{background:var(--am-bg);color:var(--amber)}

/* ═══ CARDS ═══ */
.card{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);box-shadow:var(--shadow);overflow:hidden}
.card-header{padding:14px 18px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.card-title{font-size:14px;font-weight:600;color:var(--ink)}
.card-body{padding:18px}
.card-footer{padding:12px 18px;background:var(--bg);border-top:1px solid var(--border)}