:root{
  --bg:#ffffff;
  --canvas:#f7f7f8;
  --sidebar:#fbfbfc;
  --text:#1c1c1e;
  --muted:#6b7280;
  --faint:#9ca3af;
  --border:#ececee;
  --border-strong:#e2e2e5;
  --hover:#f3f3f5;
  --accent:#111114;
  --accent-hover:#2a2a2e;
  --green:#0f9d58;
  --green-bg:#e8f5ee;
  --green-text:#137a43;
  --red:#e02424;
  --red-bg:#fdeaea;
  --blue:#2563eb;
  --blue-bg:#eaf0fe;
  --purple:#6d4bd6;
  --purple-bg:#f0edfb;
  --amber:#b45309;
  --amber-bg:#fbf0dc;
  --shadow:0 1px 2px rgba(16,24,40,.04),0 1px 3px rgba(16,24,40,.06);
  --shadow-lg:0 10px 30px rgba(16,24,40,.12),0 4px 8px rgba(16,24,40,.06);
  --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Inter,Roboto,Helvetica,Arial,sans-serif;
  background:var(--canvas);color:var(--text);font-size:14px;line-height:1.45;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
.app{display:flex;min-height:100vh}
.hidden{display:none !important}

/* ---------- Sidebar ---------- */
.sidebar{
  width:236px;flex-shrink:0;background:var(--sidebar);border-right:1px solid var(--border);
  display:flex;flex-direction:column;padding:20px 14px;position:sticky;top:0;height:100vh;overflow-y:auto;
}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px 16px;cursor:pointer}
.brand svg{width:20px;height:20px}
.brand span{font-weight:600;font-size:15px}
.nav-group-label{font-size:10.5px;font-weight:600;letter-spacing:.09em;color:var(--faint);text-transform:uppercase;padding:14px 10px 6px}
.nav-item{display:flex;align-items:center;gap:11px;padding:8px 10px;border-radius:9px;color:var(--muted);cursor:pointer;font-weight:450;user-select:none;position:relative}
.nav-item svg{width:17px;height:17px;flex-shrink:0}
.nav-item:hover{background:var(--hover);color:var(--text)}
.nav-item.active{background:#eeeef0;color:var(--text);font-weight:550}
.nav-badge{margin-left:auto;background:var(--red);color:#fff;font-size:10.5px;font-weight:700;border-radius:10px;padding:1px 7px;min-width:18px;text-align:center}
.sidebar-spacer{flex:1;min-height:14px}
.user{display:flex;align-items:center;gap:10px;padding:10px 8px;border-top:1px solid var(--border);margin-top:8px;cursor:pointer;border-radius:9px}
.user:hover{background:var(--hover)}
.user img{width:34px;height:34px;border-radius:50%;object-fit:cover}
.user .u-name{font-weight:600;font-size:13px}
.user .u-mail{color:var(--faint);font-size:11.5px}
.user .chev{margin-left:auto;color:var(--faint);width:18px;height:18px;flex-shrink:0}

/* ---------- Topbar ---------- */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:flex-start;justify-content:space-between;padding:26px 30px 4px;gap:20px}
.h1{font-size:26px;font-weight:700;letter-spacing:-.02em}
.subtitle{color:var(--muted);margin-top:5px;font-size:14px}
.top-actions{display:flex;align-items:center;gap:12px}
.search{display:flex;align-items:center;gap:8px;background:var(--bg);border:1px solid var(--border-strong);border-radius:10px;padding:8px 12px;width:250px;color:var(--faint)}
.search input{border:0;outline:0;background:transparent;font-size:13.5px;color:var(--text);width:100%}
.search svg{width:16px;height:16px;flex-shrink:0}
.search .slash{margin-left:auto;border:1px solid var(--border-strong);border-radius:5px;padding:0 6px;font-size:11px;color:var(--faint)}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:7px;border:0;border-radius:10px;font-weight:600;font-size:13.5px;cursor:pointer;padding:9px 15px;background:var(--hover);color:var(--text);transition:.12s}
.btn svg{width:16px;height:16px}
.btn:hover{background:var(--border-strong)}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-light{background:var(--bg);color:var(--text);border:1px solid var(--border-strong)}
.btn-light:hover{background:var(--hover)}
.btn-danger{background:var(--red-bg);color:var(--red)}
.btn-danger:hover{background:#fbdada}
.btn-sm{padding:7px 12px;font-size:12.5px;border-radius:8px}
.btn-sm svg{width:13px;height:13px}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:var(--hover)}

/* ---------- Content ---------- */
.view{padding:20px 30px 48px}
.content-split{display:flex;gap:22px;align-items:flex-start}
.col-main{flex:1;min-width:0}
.col-side{width:312px;flex-shrink:0;display:flex;flex-direction:column;gap:18px}

/* ---------- Stat cards ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat-head{display:flex;justify-content:space-between;align-items:flex-start}
.stat-label{color:var(--muted);font-size:12.5px;font-weight:500}
.stat-icon{width:34px;height:34px;border-radius:9px;display:flex;align-items:center;justify-content:center;background:#f3f3f5;color:#4b5563}
.stat-icon svg{width:18px;height:18px}
.stat-icon.green{background:var(--green-bg);color:var(--green-text)}
.stat-icon.red{background:var(--red-bg);color:var(--red)}
.stat-icon.blue{background:var(--blue-bg);color:var(--blue)}
.stat-icon.purple{background:var(--purple-bg);color:var(--purple)}
.stat-value{font-size:26px;font-weight:700;letter-spacing:-.02em;margin-top:14px;font-variant-numeric:tabular-nums}
.stat-sub{display:flex;align-items:center;gap:6px;margin-top:8px;font-size:12.5px;color:var(--muted)}
.trend{display:inline-flex;align-items:center;gap:3px;font-weight:600}
.trend svg{width:13px;height:13px}
.trend.up{color:var(--green-text)}
.trend.down{color:var(--red)}
.stat-sub .link{color:var(--red);font-weight:600;cursor:pointer}

/* ---------- Panels / tables ---------- */
.panel{margin-top:26px}
.panel:first-child{margin-top:0}
.panel-title{display:flex;align-items:center;gap:9px;font-size:18px;font-weight:700;letter-spacing:-.01em;margin-bottom:14px}
.panel-title svg{width:18px;height:18px;color:var(--muted)}
.toolbar{display:flex;align-items:center;gap:2px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.tabs{display:flex;align-items:center;gap:2px;flex-wrap:wrap}
.tab{padding:8px 12px;color:var(--muted);font-size:13.5px;font-weight:500;cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap}
.tab:hover{color:var(--text)}
.tab.active{color:var(--text);font-weight:600;border-bottom-color:var(--accent)}
.tab .count{color:var(--faint);font-weight:500;margin-left:5px}
.toolbar-right{margin-left:auto;display:flex;align-items:center;gap:10px;padding:4px 0}
.tool-search{display:flex;align-items:center;gap:7px;background:var(--bg);border:1px solid var(--border-strong);border-radius:8px;padding:6px 10px;width:210px;color:var(--faint)}
.tool-search input{border:0;outline:0;background:transparent;font-size:13px;color:var(--text);width:100%}
.tool-search svg{width:14px;height:14px;flex-shrink:0}

.card-table{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;margin-top:14px}
.table-scroll{overflow-x:auto}
table{width:100%;border-collapse:collapse}
thead th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);padding:11px 16px;border-bottom:1px solid var(--border);background:#fcfcfd;white-space:nowrap;user-select:none}
thead th.sortable{cursor:pointer}
thead th.sortable:hover{color:var(--text)}
th.right,td.right{text-align:right}
tbody td{padding:13px 16px;border-bottom:1px solid var(--border);font-size:13.5px;color:var(--text);white-space:nowrap;vertical-align:middle}
tbody tr:last-child td{border-bottom:0}
tbody tr.clickable{cursor:pointer}
tbody tr.clickable:hover{background:var(--hover)}
.mono{font-variant-numeric:tabular-nums}
.amt{font-weight:600;font-variant-numeric:tabular-nums}
.cust{font-weight:500}
.due-red{color:var(--red);font-weight:500}
.sub2{color:var(--faint);font-size:11.5px;margin-top:2px}
.dots-btn{border:0;background:transparent;color:var(--faint);cursor:pointer;padding:4px 8px;border-radius:6px;font-size:16px;line-height:1}
.dots-btn:hover{background:var(--hover);color:var(--text)}
.avatar-cell{display:flex;align-items:center;gap:10px}
.avatar{width:30px;height:30px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff;flex-shrink:0}

.pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:600;white-space:nowrap}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.9}
.pill.overdue,.pill.declined,.pill.expired{background:var(--red-bg);color:var(--red)}
.pill.sent{background:var(--blue-bg);color:var(--blue)}
.pill.paid,.pill.signed,.pill.accepted,.pill.active{background:var(--green-bg);color:var(--green-text)}
.pill.viewed{background:var(--purple-bg);color:var(--purple)}
.pill.draft{background:#f1f1f3;color:#6b7280}
.pill.partial,.pill.pending{background:var(--amber-bg);color:var(--amber)}

.newpage{display:flex;align-items:center;gap:7px;color:var(--faint);font-size:13px;padding:12px 16px;cursor:pointer;border-top:1px solid var(--border)}
.newpage:hover{color:var(--muted)}
.newpage svg{width:15px;height:15px}
.empty{padding:48px 20px;text-align:center;color:var(--muted)}
.empty svg{width:40px;height:40px;color:var(--faint);margin-bottom:12px}
.empty h3{font-size:15px;color:var(--text);margin-bottom:4px}

/* ---------- Right column cards ---------- */
.side-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.side-title{font-size:16px;font-weight:700;margin-bottom:12px;display:flex;align-items:center;justify-content:space-between}
.activity{display:flex;gap:10px;padding:10px 0;border-bottom:1px solid var(--border)}
.activity:last-of-type{border-bottom:0}
.dot{width:8px;height:8px;border-radius:50%;margin-top:6px;flex-shrink:0}
.dot.green{background:var(--green)}.dot.red{background:var(--red)}.dot.blue{background:var(--blue)}.dot.purple{background:var(--purple)}
.act-body{flex:1;min-width:0}
.act-row{display:flex;justify-content:space-between;gap:10px}
.act-text{font-size:13px;line-height:1.4}
.act-amt{font-weight:700;color:var(--green-text);font-size:13px;white-space:nowrap}
.act-date{color:var(--faint);font-size:11.5px;white-space:nowrap;margin-top:2px}
.view-all{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;font-weight:500;margin-top:12px;cursor:pointer}
.view-all:hover{color:var(--text)}
.view-all svg{width:15px;height:15px}
.tmpl{display:flex;align-items:center;gap:10px;padding:9px 0;color:var(--text);font-size:13.5px;cursor:pointer}
.tmpl svg{width:16px;height:16px;color:var(--muted)}
.tmpl:hover{color:var(--blue)}
.cta{background:linear-gradient(135deg,#111114,#2a2a2e);color:#fff;border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.cta p{font-size:13.5px;color:rgba(255,255,255,.75);margin:8px 0 14px}
.cta h4{font-size:15px;font-weight:700}
.cta .btn-light{width:100%;justify-content:center}

/* ---------- Forms ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1/-1}
.field label{font-size:12.5px;font-weight:600;color:var(--muted)}
.field input,.field select,.field textarea{
  border:1px solid var(--border-strong);border-radius:9px;padding:9px 12px;font-size:13.5px;font-family:inherit;color:var(--text);background:var(--bg);outline:none;width:100%;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(17,17,20,.08)}
.field textarea{resize:vertical;min-height:70px}
.field .hint{font-size:11.5px;color:var(--faint)}

/* ---------- Modal ---------- */
.modal-root{position:fixed;inset:0;z-index:100;display:none;align-items:flex-start;justify-content:center;padding:40px 20px;overflow-y:auto}
.modal-root.open{display:flex}
.modal-backdrop{position:fixed;inset:0;background:rgba(16,24,40,.35);backdrop-filter:blur(2px)}
.modal{position:relative;background:var(--bg);border-radius:16px;box-shadow:var(--shadow-lg);width:100%;max-width:560px;z-index:1;animation:pop .16s ease}
.modal.lg{max-width:820px}
@keyframes pop{from{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:none}}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border)}
.modal-head h3{font-size:17px;font-weight:700}
.modal-close{border:0;background:transparent;font-size:20px;color:var(--faint);cursor:pointer;line-height:1;padding:4px 8px;border-radius:6px}
.modal-close:hover{background:var(--hover);color:var(--text)}
.modal-body{padding:22px}
.modal-foot{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:16px 22px;border-top:1px solid var(--border)}
.modal-foot .left{margin-right:auto}

/* ---------- Line items editor ---------- */
.items-table{width:100%;border-collapse:collapse;margin-top:6px}
.items-table th{font-size:11.5px;color:var(--muted);text-align:left;padding:6px 8px;font-weight:600}
.items-table td{padding:5px 8px;vertical-align:top}
.items-table input{border:1px solid var(--border-strong);border-radius:7px;padding:8px 9px;font-size:13px;width:100%;outline:none}
.items-table input:focus{border-color:var(--accent)}
.items-table .num{text-align:right}
.line-remove{border:0;background:transparent;color:var(--faint);cursor:pointer;font-size:16px;padding:6px}
.line-remove:hover{color:var(--red)}
.totals{margin-left:auto;width:260px;margin-top:14px}
.totals .row{display:flex;justify-content:space-between;padding:6px 0;font-size:13.5px}
.totals .row.grand{border-top:1px solid var(--border);margin-top:6px;padding-top:12px;font-weight:700;font-size:16px}

/* ---------- Detail view ---------- */
.detail-head{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:20px}
.detail-title{font-size:22px;font-weight:700;letter-spacing:-.02em;display:flex;align-items:center;gap:12px}
.doc{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:34px;max-width:820px}
.doc-top{display:flex;justify-content:space-between;gap:20px;padding-bottom:24px;border-bottom:1px solid var(--border)}
.doc-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700}
.doc-brand svg{width:22px;height:22px;flex-shrink:0}
.doc h2{font-size:24px;font-weight:700}
.doc .muted{color:var(--muted)}
.doc-meta{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:24px 0}
.doc-meta .lbl{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--faint);font-weight:600;margin-bottom:5px}
.doc table{margin-top:8px}
.doc table th{background:transparent;border-bottom:2px solid var(--border)}
.doc-totals{margin-left:auto;width:280px;margin-top:18px}
.doc-totals .row{display:flex;justify-content:space-between;padding:7px 0;font-size:14px}
.doc-totals .row.grand{border-top:2px solid var(--border);margin-top:6px;padding-top:12px;font-weight:700;font-size:18px}
.back-link{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;font-weight:500;cursor:pointer;margin-bottom:16px}
.back-link:hover{color:var(--text)}
.back-link svg{width:16px;height:16px}

/* ---------- Menu (dropdown) ---------- */
.menu{position:absolute;background:var(--bg);border:1px solid var(--border-strong);border-radius:10px;box-shadow:var(--shadow-lg);padding:6px;min-width:170px;z-index:90}
.menu-item{display:flex;align-items:center;gap:9px;padding:8px 10px;border-radius:7px;font-size:13px;cursor:pointer;color:var(--text)}
.menu-item svg{width:15px;height:15px;color:var(--muted)}
.menu-item:hover{background:var(--hover)}
.menu-item.danger{color:var(--red)}
.menu-item.danger svg{color:var(--red)}
.menu-sep{height:1px;background:var(--border);margin:5px 0}

/* ---------- Toast ---------- */
.toast-root{position:fixed;bottom:24px;right:24px;z-index:200;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--accent);color:#fff;padding:12px 16px;border-radius:10px;font-size:13.5px;box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:9px;animation:slidein .2s ease;max-width:320px}
.toast.success{background:var(--green-text)}
.toast.error{background:var(--red)}
.toast svg{width:16px;height:16px;flex-shrink:0}
@keyframes slidein{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:none}}

/* ---------- Misc ---------- */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.section-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.section-card h3{font-size:16px;font-weight:700;margin-bottom:4px}
.section-card .desc{color:var(--muted);font-size:13px;margin-bottom:18px}
.kv{display:flex;justify-content:space-between;padding:11px 0;border-bottom:1px solid var(--border);font-size:13.5px}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted)}
.chips{display:flex;gap:8px;flex-wrap:wrap}
.settings-nav{display:flex;gap:4px;margin-bottom:20px;border-bottom:1px solid var(--border)}
.settings-nav .tab{padding:10px 14px}
.big-num{font-size:22px;font-weight:700;font-variant-numeric:tabular-nums}

@media (max-width:1200px){
  .col-side{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .sidebar{position:fixed;left:-260px;z-index:50;transition:left .2s;box-shadow:var(--shadow-lg)}
  .sidebar.open{left:0}
  .search{display:none}
  .form-grid,.grid-2{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .menu-toggle{display:inline-flex !important}
}
.menu-toggle{display:none;align-items:center;justify-content:center;width:38px;height:38px;border:1px solid var(--border-strong);background:var(--bg);border-radius:9px;cursor:pointer}

/* ---------- Auth screen ---------- */
body.logged-out .sidebar,body.logged-out .topbar{display:none}
body.logged-out .main{width:100%}
body.logged-out .view{padding:0}
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;padding:40px 20px;background:radial-gradient(120% 120% at 50% 0%,#fbfbfc 0%,var(--canvas) 60%)}
.auth-card{background:var(--bg);border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow-lg);padding:34px;width:100%;max-width:400px}
.auth-brand{display:flex;align-items:center;gap:10px;font-weight:600;font-size:16px;margin-bottom:22px}
.auth-brand svg{width:22px;height:22px}
.auth-title{font-size:22px;font-weight:700;letter-spacing:-.02em}
.auth-sub{color:var(--muted);font-size:13.5px;margin:6px 0 22px}
.auth-form{display:flex;flex-direction:column;gap:14px}
.auth-submit{width:100%;justify-content:center;padding:11px;margin-top:4px;font-size:14px}
.auth-error{background:var(--red-bg);color:var(--red);font-size:13px;font-weight:500;padding:9px 12px;border-radius:9px}
.auth-switch{margin-top:18px;text-align:center;font-size:13.5px;color:var(--muted)}
.auth-switch a{color:var(--blue);font-weight:600;cursor:pointer}
.auth-foot{color:var(--faint);font-size:12px}
.boot-loading{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:70vh;color:var(--muted);font-size:14px}
.boot-loading svg{width:34px;height:34px;color:var(--faint);animation:pulse 1.3s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:.4}50%{opacity:1}}