: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:.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:#fff;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,.08)}
.login-logo{font-family:'Crimson Pro',serif;font-weight:300;font-size:2.75rem;color:var(--red);line-height:1;margin-bottom:.2rem}
.login-byline{font-size:.8rem;color:#aaa;margin-bottom:2.5rem}
.login-card h3{font-size:1.5rem;color:var(--primary);margin-bottom:1.75rem}
.login-field{margin-bottom:1.25rem}
.login-field label{display:block;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.08em;color:#888;margin-bottom:.45rem}
.login-field input{width:100%;padding:.75rem 1rem;border:1px solid var(--border)!important;background:var(--secondary);font-size:.95rem;color:var(--primary);outline:none;box-sizing:border-box;height:auto!important;margin:0!important;box-shadow:none!important}
.login-field input:focus{border-color:var(--accent)!important;background:#fff}
.login-btn{width:100%;padding:.85rem;background:var(--accent);color:#fff;border:none;font-weight:600;font-size:.9rem;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;margin-top:.5rem}
.login-btn:hover{background:var(--hover)}
.login-error{background:#fef1f0;border-left:3px solid var(--red);color:#721c24;padding:.6rem .9rem;font-size:.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:.75rem;color:#bbb;text-align:center}
.user-pill{display:none;align-items:center;gap:.4rem;background:rgba(207,172,69,.12);border:1px solid rgba(207,172,69,.3);border-radius:20px;padding:.2rem .65rem .2rem .4rem;font-size:.75rem;color:var(--accent);font-weight:600;margin-top:.6rem;cursor:pointer;width:fit-content}
.user-pill i{font-size:.9rem}

/* layout */
.app-container{display:flex;min-height:100vh}
.sidebar{width:250px;background:#fff;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:.5rem}
.sidebar-header p{font-size:.85rem;color:#999}
nav { background-color: white; }
.main-nav{flex:1;padding:1rem 0}
.main-nav-item{display:block;padding:1rem 1.5rem;color:var(--text);text-decoration:none;font-weight:500;letter-spacing:.05em;text-transform:uppercase;font-size:.85rem;cursor:pointer;border-left:3px solid transparent;transition:all .3s}
.main-nav-item:hover{background:var(--secondary);color:var(--hover)}
.main-nav-item.active{background:rgba(207,172,69,.1);color:var(--accent);border-left-color:var(--accent)}
.main-nav-item i{margin-right:.75rem;vertical-align:middle}
.back-button{color:var(--accent);text-decoration:none;display:flex;align-items:center;gap:.5rem;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em;font-weight:500}
.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:.95rem;margin-top:.5rem}
.main-tab-content{display:none}
.main-tab-content.active{display:block;animation:fadeIn .4s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
.notification-badge{display:inline-block;padding:2px 8px;border-radius:12px;font-size:11px;margin-left:8px;font-weight:bold;vertical-align:middle}
.red-badge{background:#ba4134;color:#fff}

/* shared widgets */
.client-table{background:#fff;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:.75rem;text-transform:uppercase;letter-spacing:.05em;color:#666}
.client-table td{padding:1.5rem 1rem;border-bottom:1px solid var(--border)}
.client-table tbody tr{cursor:pointer}
.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:.95rem;color:var(--primary)}
.business-type{font-size:.85rem;color:#999}
.status-badge{padding:.35rem .75rem;border-radius:4px;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;display:inline-flex;align-items:center;gap:.5rem}
.status-healthy{background:#d4edda;color:#155724}
.connection-badge{padding:.25rem .6rem;border-radius:3px;font-size:.7rem;font-weight:600;background:var(--accent);color:#fff}
.results-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--border)}
.results-table th{background:var(--primary);color:#fff;padding:1rem;text-align:left;font-weight:500;font-size:.85rem;text-transform:uppercase;letter-spacing:.05em}
.results-table td{padding:1rem;border-bottom:1px solid var(--border);font-size:.9rem}
.action-btn{padding:.5rem 1rem;margin:0 .25rem;border:none;cursor:pointer;font-size:.75rem;font-weight:500;text-transform:uppercase;letter-spacing:.05em;border-radius:3px;display:inline-flex;align-items:center;gap:.25rem}
.btn-view{background:#3498db;color:#fff}.btn-delete{background:#e74c3c;color:#fff}
.upload-area{border:2px dashed var(--border);padding:3rem;text-align:center;cursor:pointer;background:var(--secondary)}
.upload-area:hover,.upload-area.dragover{border-color:var(--accent);background:#fafaf5}
@keyframes ing-spin{to{transform:rotate(360deg)}}
.ing-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:ing-spin .8s linear infinite;margin:0 auto 1rem}
@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%}}


/* ════════════════════════════════════════════════════════════════════════
   Sales Tax Dashboard tab — uses the shared SAGENT palette and reuses the
   shared widgets (.results-table, .ing-spinner). Only the pieces the
   dashboard adds beyond those (sub-tab buttons, sticky/filterable headers,
   KPI grid, pagination) are defined here, scoped under .stax-app.
   ════════════════════════════════════════════════════════════════════════ */
.stax-app .tabs-nav{display:flex;flex-wrap:wrap;gap:.4rem;margin-bottom:1.5rem;border-bottom:1px solid var(--border);padding-bottom:1rem}
.stax-app .tab-btn{padding:.5rem .9rem;border:1px solid var(--border);background:#fff;color:var(--text);cursor:pointer;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-radius:3px}
.stax-app .tab-btn:hover{border-color:var(--accent);color:var(--hover)}
.stax-app .tab-btn.active{background:var(--accent);border-color:var(--accent);color:#fff}
.stax-app .tab-pane{display:none}
.stax-app .tab-pane.active{display:block}

/* toolbar */
.stax-app .table-toolbar{margin-bottom:1rem;display:flex;align-items:center;gap:1rem}
.stax-app .table-title{font-family:'Crimson Pro',serif;font-size:1.25rem;color:var(--primary)}
.stax-app .tag-blue{background:rgba(207,172,69,.12);border:1px solid rgba(207,172,69,.3);color:var(--accent);font-weight:600;font-size:.72rem;padding:.2rem .6rem;border-radius:3px}

/* buttons */
.stax-app .btn{appearance:none;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text);border-radius:3px;padding:.5rem 1rem;font-size:.78rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;display:inline-flex;align-items:center;gap:.4rem}
.stax-app .btn:hover{border-color:var(--accent);color:var(--hover)}
.stax-app .btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.stax-app .btn-primary:hover{background:var(--hover);border-color:var(--hover);color:#fff}
.stax-app .btn-sm{padding:.3rem .6rem;font-size:.72rem}
.stax-app .btn .icon{width:1em;height:1em;fill:currentColor}

/* table — reuse .results-table; add scroll, sticky header, filterable cols */
.stax-app .table-wrap{position:relative;border:1px solid var(--border);max-height:520px;overflow:auto}
.stax-app .table-wrap .results-table{border:none}
.stax-app .table-wrap .results-table th{position:sticky;top:0;z-index:2;white-space:nowrap}
.stax-app .table-wrap .results-table td{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:220px}
.stax-app .table-wrap .results-table tbody tr:hover td{background:var(--secondary)}
.stax-app .th-inner{display:flex;align-items:center;justify-content:space-between;gap:.5rem}
.stax-app .cell-empty{color:#bbb}
.stax-app .filter-icon{cursor:pointer;background:none;border:none;padding:2px;color:rgba(255,255,255,.6);display:inline-flex;flex:none}
.stax-app .filter-icon:hover{color:#fff}
.stax-app .filter-icon.active{color:var(--accent)}

/* column-filter dropdown is appended to <body>, so it can't be scoped */
.stax-filter{position:absolute;z-index:9000;background:#fff;border:1px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,.12);padding:.75rem}
.stax-filter input{display:block;margin-bottom:.6rem;width:200px;padding:.5rem .7rem;border:1px solid var(--border);font-size:.85rem;outline:none}
.stax-filter input:focus{border-color:var(--accent)}
.stax-filter .filter-actions{display:flex;gap:.5rem}
.stax-filter .btn{appearance:none;cursor:pointer;border:1px solid var(--border);background:#fff;color:var(--text);border-radius:3px;padding:.4rem .7rem;font-size:.72rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;display:inline-flex;align-items:center;gap:.4rem}
.stax-filter .btn:hover{border-color:var(--accent);color:var(--hover)}
.stax-filter .btn-primary{background:var(--accent);border-color:var(--accent);color:#fff}
.stax-filter .btn .icon{width:1em;height:1em;fill:currentColor}

/* loading overlay over a table */
.stax-app .loading-overlay{position:absolute;inset:0;background:rgba(255,255,255,.6);display:flex;align-items:center;justify-content:center;z-index:5}
.stax-app .loading-overlay .ing-spinner{margin:0}

/* alert */
.stax-app .alert{display:flex;align-items:flex-start;gap:.6rem;padding:.75rem 1rem;margin-bottom:1rem;background:#fef1f0;border-left:3px solid var(--red);color:#721c24;font-size:.88rem}
.stax-app .alert .alert-icon{color:var(--red);flex:none;margin-top:2px}
.stax-app .alert .alert-msg{flex:1}
.stax-app .alert .alert-close{cursor:pointer;background:none;border:none;color:#999;font-size:.9rem;line-height:1;padding:0 4px}

/* pagination */
.stax-app .pagination{display:flex;align-items:center;gap:.5rem;margin-top:1.25rem;flex-wrap:wrap}
.stax-app .pagination .pg-total{margin-right:auto;color:#666;font-size:.85rem}
.stax-app .pagination .pg-item{min-width:32px;height:32px;border:1px solid var(--border);background:#fff;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;padding:0 6px;border-radius:3px;color:var(--text);font-size:.85rem}
.stax-app .pagination .pg-item:hover:not(:disabled):not(.ellipsis){border-color:var(--accent);color:var(--hover)}
.stax-app .pagination .pg-item.active{background:var(--accent);border-color:var(--accent);color:#fff}
.stax-app .pagination .pg-item:disabled{cursor:not-allowed;color:#ccc}
.stax-app .pagination .pg-item.ellipsis{border:none;cursor:default}
.stax-app .pagination select{height:32px;border:1px solid var(--border);padding:0 .5rem;background:#fff;cursor:pointer;outline:none;border-radius:3px;font-size:.85rem}

/* KPI cards */
.stax-app .kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-bottom:1.5rem}
@media(max-width:992px){.stax-app .kpi-row{grid-template-columns:repeat(2,1fr)}}
@media(max-width:576px){.stax-app .kpi-row{grid-template-columns:1fr}}
.stax-app .kpi-card{background:#fff;border:1px solid var(--border);border-top:3px solid var(--accent);padding:1rem}
.stax-app .kpi-card .kpi-title{font-size:.72rem;color:#888;line-height:1.4}
.stax-app .kpi-card .kpi-title strong{display:block;color:var(--primary);font-size:.8rem;text-transform:uppercase;letter-spacing:.05em}
.stax-app .kpi-card .kpi-title .kpi-desc{font-weight:400}
.stax-app .kpi-card .kpi-value{font-family:'Crimson Pro',serif;font-size:1.75rem;margin-top:.5rem;font-weight:600}
.stax-app .kpi-card .kpi-value.loading{color:#ccc}

/* export bar */
.stax-app .export-bar{display:flex;justify-content:flex-end;margin-bottom:1.25rem}