:root {
    --primary:   #1a1a1a;
    --secondary: #f5f5f0;
    --accent:    #cfac45;
    --text:      #2a2a2a;
    --border:    #e0e0d8;
    --hover:     #ae913d;
    --red:       #D94452;
    --green:     #27ae60;
    --orange:    #f39c12;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Work Sans', sans-serif; background: var(--secondary); color: var(--text); line-height: 1.6; }
h1,h2,h3,h4,h5 { font-family: 'Crimson Pro', serif; font-weight: 300; letter-spacing: 0.02em; }

/* ── Login ── */
#login-overlay { position:fixed;inset:0;background:var(--secondary);display:flex;align-items:center;justify-content:center;z-index:9999; }
#login-overlay.hidden { display:none; }
.login-card { background:white;border:1px solid var(--border);padding:3rem 2.5rem 2.5rem;width:100%;max-width:400px;box-shadow:0 8px 40px rgba(0,0,0,0.08); }
.login-logo { font-family:'Crimson Pro',serif;font-weight:300;font-size:2.75rem;color:var(--red);line-height:1;margin-bottom:0.2rem; }
.login-byline { font-size:0.8rem;color:#aaa;margin-bottom:2.5rem; }
.login-card h3 { font-family:'Crimson Pro',serif;font-weight:300;font-size:1.5rem;color:var(--primary);margin-bottom:1.75rem; }
.login-field { margin-bottom:1.25rem; }
.login-field label { display:block;font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:#888;margin-bottom:0.45rem; }
.login-field input { width:100%;padding:0.75rem 1rem;border:1px solid var(--border)!important;background:var(--secondary);font-family:'Work Sans',sans-serif;font-size:0.95rem;color:var(--primary);outline:none;box-sizing:border-box;height:auto!important;margin:0!important;box-shadow:none!important;transition:border-color 0.2s,background 0.2s; }
.login-field input:focus { border-color:var(--accent)!important;background:white; }
.login-btn { width:100%;padding:0.85rem;background:var(--accent);color:white;border:none;font-family:'Work Sans',sans-serif;font-weight:600;font-size:0.9rem;letter-spacing:0.08em;text-transform:uppercase;cursor:pointer;margin-top:0.5rem;transition:background 0.2s; }
.login-btn:hover { background:var(--hover); }
.login-error { background:#fef1f0;border-left:3px solid var(--red);color:#721c24;padding:0.6rem 0.9rem;font-size:0.85rem;margin-bottom:1rem;display:none; }
.login-error.show { display:block; }
.login-footer { margin-top:2rem;padding-top:1.25rem;border-top:1px solid var(--border);font-size:0.75rem;color:#bbb;text-align:center; }
.user-pill { display:none;align-items:center;gap:0.4rem;background:rgba(207,172,69,0.12);border:1px solid rgba(207,172,69,0.3);border-radius:20px;padding:0.2rem 0.65rem 0.2rem 0.4rem;font-size:0.75rem;color:var(--accent);font-weight:600;margin-top:0.6rem;cursor:pointer;width:fit-content;transition:background 0.2s; }
.user-pill:hover { background:rgba(207,172,69,0.22); }
.user-pill i { font-size:0.9rem; }

/* ── Layout ── */
.app-container { display:flex;min-height:100vh; }
.sidebar { width:250px;background:white;color:var(--text);display:flex;flex-direction:column;position:fixed;height:100vh;overflow-y:auto;border-right:1px solid var(--border); }
.sidebar-header { padding:2rem 1.5rem;border-bottom:1px solid var(--border); }
.sidebar-header h1 { font-size:2rem;color:var(--red);margin-bottom:0.5rem; }
.sidebar-header p { font-size:0.85rem;color:#999;line-height:1.4; }
.main-nav { flex:1;padding:1rem 0;background:var(--secondary); }
.main-nav-item { display:block;padding:1rem 1.5rem;color:var(--text);text-decoration:none;font-weight:500;letter-spacing:0.05em;text-transform:uppercase;font-size:0.85rem;transition:all 0.3s ease;cursor:pointer;border-left:3px solid transparent; }
.main-nav-item:hover { background:var(--secondary);color:var(--hover); }
.main-nav-item.active { background:rgba(207,172,69,0.1);color:var(--accent);border-left-color:var(--accent); }
.main-nav-item i { margin-right:0.75rem;vertical-align:middle; }
.main-content { margin-left:250px;flex:1;padding:2rem;width:calc(100% - 250px); }
.content-header { padding:1rem 0 2rem;border-bottom:1px solid var(--border);margin-bottom:2rem;display:flex;justify-content:space-between;align-items:center; }
.content-header h2 { font-size:2rem;color:var(--primary); }
.content-subtitle { color:#666;font-size:0.95rem;margin-top:0.5rem; }
.main-tab-content { display:none; }
.main-tab-content.active { display:block;animation:fadeIn 0.4s ease; }
@keyframes fadeIn { from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);} }

/* ── Client table ── */
.client-controls { display:flex;gap:1rem;margin-bottom:2rem;align-items:center; }
.search-box { flex:1;position:relative; }
.search-box input { width:100%;padding:0.75rem 1rem 0.75rem 3rem;border:1px solid var(--border);background:white;font-family:'Work Sans',sans-serif;font-size:0.95rem; }
.search-box i { position:absolute;left:1rem;top:50%;transform:translateY(-50%);color:#999; }
.client-table { background:white;border:1px solid var(--border); }
.client-table table { width:100%;border-collapse:collapse; }
.client-table thead { background:var(--secondary);border-bottom:2px solid var(--border); }
.client-table th { padding:1rem;text-align:left;font-weight:600;font-size:0.75rem;text-transform:uppercase;letter-spacing:0.05em;color:#666; }
.client-table td { padding:1.5rem 1rem;border-bottom:1px solid var(--border); }
.client-table tbody tr { cursor:pointer;transition:background 0.2s ease; }
.client-table tbody tr:hover { background:var(--secondary); }
.business-info { display:flex;align-items:center;gap:1rem; }
.business-icon { width:40px;height:40px;background:var(--secondary);border-radius:4px;display:flex;align-items:center;justify-content:center;color:var(--accent); }
.business-name { font-weight:600;font-size:0.95rem;color:var(--primary); }
.business-type { font-size:0.85rem;color:#999; }
.status-badge { padding:0.35rem 0.75rem;border-radius:4px;font-size:0.75rem;font-weight:600;text-transform:uppercase;letter-spacing:0.05em;display:inline-flex;align-items:center;gap:0.5rem; }
.status-healthy { background:#d4edda;color:#155724; }
.status-at-risk { background:#fff3cd;color:#856404; }
.status-overdue { background:#f8d7da;color:#721c24; }

/* ── Stats ── */
.stats-grid { display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.5rem;margin-bottom:2rem; }
.stat-card { background:white;padding:1.5rem;border:1px solid var(--border);transition:all 0.3s ease; }
.stat-card:hover { box-shadow:0 4px 20px rgba(0,0,0,0.08); }
.stat-header { display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:1rem; }
.stat-label { color:#666;font-size:0.85rem;text-transform:uppercase;letter-spacing:0.05em;font-weight:500; }
.stat-icon { font-size:1.5rem; }
.stat-icon.green { color:var(--green); }
.stat-icon.orange { color:var(--orange); }
.stat-icon.red { color:var(--red); }
.stat-number { font-size:2.5rem;font-weight:300;color:var(--primary);font-family:'Crimson Pro',serif;line-height:1;margin-bottom:0.5rem; }
.stat-detail { color:#999;font-size:0.85rem; }

/* ── Client-detail sub-nav ── */
#client-subnav { background:var(--secondary);border-top:1px solid var(--border);border-bottom:1px solid var(--border); }
.client-nav-back { display:flex;align-items:center;gap:0.45rem;padding:0.6rem 1.25rem;color:var(--accent);font-weight:600;font-size:0.78rem;text-transform:uppercase;letter-spacing:0.05em;cursor:pointer;transition:color 0.2s; }
.client-nav-back:hover { color:var(--hover); }
.client-nav-back i { font-size:0.95rem; }
.client-nav-viewing { padding:0.7rem 1.25rem;border-bottom:1px solid var(--border);background:var(--secondary); }
.client-nav-viewing-label { font-size:0.65rem;font-weight:600;text-transform:uppercase;letter-spacing:0.1em;color:#999;margin-bottom:0.15rem; }
.client-nav-viewing-name { font-family:'Crimson Pro',serif;font-weight:600;font-size:1.1rem;color:var(--primary);line-height:1.05; }
.client-nav-item { display:flex;align-items:center;gap:0.65rem;padding:0.55rem 1.25rem;color:var(--text);text-decoration:none;font-weight:500;font-size:0.88rem;cursor:pointer;transition:background 0.2s,color 0.2s;border-left:3px solid transparent; }
.client-nav-item:hover { background:rgba(0,0,0,0.03); }
.client-nav-item i { font-size:1.05rem;color:#555;flex-shrink:0; }
.client-nav-item span { flex:1; }
.client-nav-item.active { background:rgba(207,172,69,0.14);color:var(--accent);border-left-color:var(--accent);font-weight:600; }
.client-nav-item.active i { color:var(--accent); }
.back-button { display:inline-flex;align-items:center;gap:0.5rem;color:var(--accent);text-decoration:none;font-weight:500;font-size:0.9rem;margin-bottom:1.5rem;transition:all 0.3s ease;cursor:pointer; }
.back-button:hover { color:var(--hover); }
.back-button i { font-size:1.2rem; }
.client-tab-content { display:none; }
.client-tab-content.active { display:block;animation:fadeIn 0.4s ease; }

/* ── Fetch / data section (reuse for any tab with a fetch button) ── */
.qbo-fetch-btn { display:inline-flex;align-items:center;gap:0.4rem;background:var(--accent);color:white;border:none;padding:0.5rem 1.25rem;cursor:pointer;font-family:'Work Sans',sans-serif;font-size:0.82rem;font-weight:500;text-transform:uppercase;letter-spacing:0.05em;transition:background 0.2s; }
.qbo-fetch-btn:hover { background:var(--hover); }
.qbo-spinner { width:28px;height:28px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin 0.75s linear infinite;display:inline-block;vertical-align:middle; }
@keyframes spin { to{transform:rotate(360deg);} }

/* ── Error & placeholder ── */
.error-banner { padding:1rem;background:#fef1f0;border-left:3px solid var(--red);color:#721c24;font-size:0.88rem;margin-bottom:1rem; }
.placeholder-section { display:flex;flex-direction:column;align-items:center;justify-content:center;padding:5rem 2rem;text-align:center;color:#aaa;gap:0.75rem; }
.placeholder-section p { font-size:1rem; }

/* ── Responsive ── */
@media(max-width:992px){.sidebar{width:200px;}.main-content{margin-left:200px;width:calc(100% - 200px);}}
@media(max-width:768px){.app-container{flex-direction:column;}.sidebar{width:100%;position:relative;height:auto;}.main-content{margin-left:0;width:100%;}}

/* ── Dashboard sub-tab navigation ── */
.dash-subnav { display:flex;gap:0;border-bottom:2px solid var(--border);margin-bottom:2rem;overflow-x:auto; }
.dash-subnav-item { display:inline-flex;align-items:center;gap:0.45rem;padding:0.75rem 1.25rem;color:#777;font-size:0.82rem;font-weight:500;text-transform:uppercase;letter-spacing:0.06em;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color 0.2s,border-color 0.2s;white-space:nowrap; }
.dash-subnav-item i { font-size:1rem; }
.dash-subnav-item:hover { color:var(--accent); }
.dash-subnav-item.active { color:var(--accent);border-bottom-color:var(--accent);font-weight:600; }

/* ── Dashboard sub-tab content ── */
.dash-subtab { display:none; }
.dash-subtab.active { display:block;animation:fadeIn 0.3s ease; }

/* ── Filter row ── */
.dash-filter-row { display:flex;align-items:flex-end;gap:1.25rem;margin-bottom:1.5rem;flex-wrap:wrap; }
.dash-filter-group { display:flex;flex-direction:column;gap:0.35rem; }
.dash-filter-label { font-size:0.72rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:#888; }
/* browser-default + explicit display:block overrides Materialize's display:none on <select> */
.dash-select { display:block;padding:0.6rem 0.9rem;border:1px solid var(--border);background:white;font-family:'Work Sans',sans-serif;font-size:0.9rem;color:var(--primary);min-width:180px;cursor:pointer;appearance:auto;height:auto; }
.dash-select:focus { outline:none;border-color:var(--accent); }
.dash-search { padding:0.6rem 0.9rem;border:1px solid var(--border);background:white;font-family:'Work Sans',sans-serif;font-size:0.9rem;color:var(--primary);width:100%; }
.dash-search:focus { outline:none;border-color:var(--accent); }

/* ── Row count label ── */
.dash-row-count { font-size:0.82rem;color:#999;margin-bottom:0.75rem; }

/* ── Reconciliation status badges ── */
.recon-badge { display:inline-block;padding:0.25rem 0.6rem;border-radius:4px;font-size:0.75rem;font-weight:600;white-space:nowrap; }
.recon-verified   { background:#dcfce7;color:#15803d; }
.recon-unverified { background:#fef9c3;color:#92400e; }

/* ── PO detail card ── */
.recon-po-header { background:#f9fafb;border:1px solid var(--border);border-radius:6px;padding:1.25rem 1.5rem;margin-bottom:0.5rem; }
.recon-detail-table { width:100%;border-collapse:collapse;font-size:0.9rem; }
.recon-detail-table td { padding:5px 14px 5px 0;vertical-align:top; }
.recon-lbl { color:#6b7280;font-weight:600;white-space:nowrap;padding-right:12px;width:130px; }

/* ── Section title above transaction tables ── */
.recon-section-title { margin:1.75rem 0 0.75rem;font-family:'Work Sans',sans-serif;font-size:0.78rem;font-weight:600;text-transform:uppercase;letter-spacing:0.08em;color:#888; }

/* ── Compact summary cards (client / PO sub-views) ── */
.summary-cards-row { display:flex;gap:12px;flex-wrap:wrap;margin:1.5rem 0 1.25rem; }
.summary-card { background:white;border:1px solid var(--border);border-left:4px solid var(--border);padding:12px 18px;flex:1;min-width:130px; }
.summary-card.green { border-left-color:var(--green); }
.summary-card.amber { border-left-color:var(--orange); }
.summary-card.red   { border-left-color:var(--red); }
.summary-card-label { font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:0.07em;color:#888; }
.summary-card-value { font-size:1.45rem;font-weight:600;color:var(--primary);margin-top:5px;line-height:1; }

/* ── PO drill-down link in client table ── */
.po-drill-link { color:var(--accent);text-decoration:none;font-weight:600;white-space:nowrap; }
.po-drill-link:hover { color:var(--hover);text-decoration:underline; }

/* ── Client select prompt (empty state) ── */
.client-select-prompt { display:flex;flex-direction:column;align-items:center;justify-content:center;padding:4rem 2rem;text-align:center;gap:0.75rem; }
.client-select-prompt i { font-size:3rem;color:#ddd; }
.client-select-prompt p { font-size:0.95rem;color:#aaa; }