:root{
  --ink:#16202c;
  --ink-soft:#4a5866;
  --line:#e3e8ee;
  --line-strong:#cfd8e2;
  --bg:#f6f8fa;
  --panel:#ffffff;
  --brand:#1f4e6b;
  --brand-dark:#163a50;
  --brand-tint:#eaf1f6;
  --accent:#c47a2c;
  --ok:#1e7a52;
  --ok-tint:#e6f3ec;
  --warn:#9a5b00;
  --warn-tint:#fbf0dd;
  --danger:#b23b3b;
  --danger-tint:#f8e7e7;
  --muted:#eef2f6;
  --radius:8px;
  --radius-sm:5px;
  --shadow:0 1px 2px rgba(16,32,44,.06),0 2px 8px rgba(16,32,44,.05);
  --font:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:var(--font);
  color:var(--ink);
  background:var(--bg);
  font-size:14px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}

/* ---- Layout shell ---- */
.shell{display:flex;min-height:100vh}
.sidebar{
  width:236px;flex-shrink:0;background:var(--brand-dark);color:#dce6ee;
  display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;
}
.sidebar .brand{padding:20px 20px 14px;border-bottom:1px solid rgba(255,255,255,.09)}
.sidebar .brand h1{font-size:15px;margin:0;color:#fff;letter-spacing:.2px;font-weight:600}
.sidebar .brand span{font-size:11px;color:#9db4c4;text-transform:uppercase;letter-spacing:.8px}
.nav{padding:10px 0;overflow-y:auto;flex:1}
.nav .group{padding:14px 20px 6px;font-size:10.5px;text-transform:uppercase;letter-spacing:1px;color:#7f9aad}
.nav a{
  display:flex;align-items:center;gap:10px;padding:8px 20px;color:#c4d3de;
  font-size:13.5px;border-left:3px solid transparent;
}
.nav a:hover{background:rgba(255,255,255,.05);text-decoration:none;color:#fff}
.nav a.active{background:rgba(255,255,255,.08);border-left-color:var(--accent);color:#fff;font-weight:500}
.nav a .ic{width:16px;height:16px;opacity:.85;flex-shrink:0}

.main{margin-left:236px;flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{
  background:var(--panel);border-bottom:1px solid var(--line);
  padding:0 26px;height:58px;display:flex;align-items:center;gap:18px;
  position:sticky;top:0;z-index:20;
}
.topbar .company-switch{display:flex;align-items:center;gap:8px}
.topbar select{
  border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  padding:7px 30px 7px 11px;font-size:13.5px;font-family:inherit;color:var(--ink);
  background:var(--panel) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%234a5866' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E") no-repeat right 11px center;
  -webkit-appearance:none;appearance:none;cursor:pointer;font-weight:500;
}
.topbar .spacer{flex:1}
.topbar .userchip{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--ink-soft)}
.topbar .role-badge{font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;font-weight:600;padding:3px 8px;border-radius:20px;background:var(--brand-tint);color:var(--brand)}

.content{padding:24px 26px 60px;flex:1}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:20px;gap:16px;flex-wrap:wrap}
.page-head h2{margin:0;font-size:21px;font-weight:650;letter-spacing:-.2px}
.page-head .sub{color:var(--ink-soft);font-size:13px;margin-top:3px}

/* ---- Buttons ---- */
.btn{
  display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line-strong);
  background:var(--panel);color:var(--ink);padding:8px 14px;border-radius:var(--radius-sm);
  font-size:13.5px;font-weight:500;cursor:pointer;font-family:inherit;transition:.12s;
}
.btn:hover{background:var(--muted);text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-dark)}
.btn-danger{background:var(--panel);border-color:var(--danger);color:var(--danger)}
.btn-danger:hover{background:var(--danger-tint)}
.btn-sm{padding:5px 10px;font-size:12.5px}
.btn-ghost{border-color:transparent;background:transparent}
.btn-ghost:hover{background:var(--muted)}

/* ---- Panels & tables ---- */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.panel-head{padding:14px 18px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between}
.panel-head h3{margin:0;font-size:14.5px;font-weight:600}
.panel-body{padding:18px}

table.grid{width:100%;border-collapse:collapse;font-size:13.5px}
table.grid th{
  text-align:left;padding:11px 16px;font-size:11px;text-transform:uppercase;letter-spacing:.5px;
  color:var(--ink-soft);border-bottom:1px solid var(--line);background:#fbfcfd;font-weight:600;
}
table.grid td{padding:12px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
table.grid tr:last-child td{border-bottom:none}
table.grid tbody tr:hover{background:#fafbfc}
table.grid .num{text-align:right;font-variant-numeric:tabular-nums}
.mono{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---- Status pills ---- */
.pill{display:inline-block;font-size:11px;font-weight:600;padding:3px 9px;border-radius:20px;letter-spacing:.3px;text-transform:capitalize}
.pill.draft{background:var(--muted);color:var(--ink-soft)}
.pill.sent{background:var(--brand-tint);color:var(--brand)}
.pill.paid,.pill.accepted,.pill.final,.pill.active{background:var(--ok-tint);color:var(--ok)}
.pill.partial,.pill.reimbursed{background:var(--warn-tint);color:var(--warn)}
.pill.overdue,.pill.declined,.pill.void,.pill.unpaid,.pill.expired,.pill.archived{background:var(--danger-tint);color:var(--danger)}

.tag-lock{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--warn);background:var(--warn-tint);padding:2px 7px;border-radius:4px;font-weight:600}
.tag-hide{display:inline-flex;align-items:center;gap:4px;font-size:11px;color:var(--ink-soft);background:var(--muted);padding:2px 7px;border-radius:4px;font-weight:600}

/* ---- Stat cards ---- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:22px}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .label{font-size:11.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--ink-soft);font-weight:600}
.stat .value{font-size:23px;font-weight:680;margin-top:6px;letter-spacing:-.3px}
.stat .value small{font-size:12px;font-weight:500;color:var(--ink-soft);letter-spacing:0}

/* ---- Forms ---- */
.form-row{margin-bottom:16px}
.form-row label{display:block;font-size:12.5px;font-weight:600;color:var(--ink);margin-bottom:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
input[type=text],input[type=email],input[type=password],input[type=date],input[type=number],
input[type=tel],select,textarea{
  width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  padding:9px 11px;font-size:13.5px;font-family:inherit;color:var(--ink);background:#fff;
}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,78,107,.12)}
textarea{resize:vertical;min-height:70px}
.hint{font-size:12px;color:var(--ink-soft);margin-top:5px}
.checkbox-row{display:flex;align-items:center;gap:8px}
.checkbox-row input{width:auto}

/* ---- Line item editor ---- */
.items-table{width:100%;border-collapse:collapse;margin-top:8px}
.items-table th{font-size:11px;text-transform:uppercase;letter-spacing:.4px;color:var(--ink-soft);text-align:left;padding:6px 8px}
.items-table td{padding:5px 8px}
.items-table input{padding:7px 9px}
.totals-box{margin-top:16px;margin-left:auto;width:300px;font-size:13.5px}
.totals-box .row{display:flex;justify-content:space-between;padding:6px 0}
.totals-box .row.total{border-top:2px solid var(--line-strong);margin-top:6px;padding-top:10px;font-weight:700;font-size:15px}

/* ---- Alerts ---- */
.alert{padding:11px 15px;border-radius:var(--radius-sm);font-size:13.5px;margin-bottom:18px;border:1px solid}
.alert-ok{background:var(--ok-tint);border-color:#bfe0cd;color:#155c3d}
.alert-err{background:var(--danger-tint);border-color:#eecccc;color:#8f2e2e}
.alert ul{margin:4px 0 0;padding-left:18px}

/* ---- Auth ---- */
/* ---- Two-panel auth ---- */
.auth-split{min-height:100vh;display:flex}
.auth-brandside{flex:1.05;background:
    radial-gradient(1200px 500px at -10% -20%, rgba(255,255,255,.10), transparent 60%),
    radial-gradient(900px 600px at 120% 120%, rgba(255,255,255,.07), transparent 55%),
    linear-gradient(150deg,#12303f 0%,#1f4e6b 100%);
  color:#eaf2f8;display:flex;flex-direction:column;justify-content:space-between;padding:48px 52px;position:relative;overflow:hidden}
.auth-brandside::after{content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:34px 34px;-webkit-mask-image:radial-gradient(700px 500px at 30% 40%,#000,transparent 75%);mask-image:radial-gradient(700px 500px at 30% 40%,#000,transparent 75%);pointer-events:none}
.auth-brandside .mark{display:flex;align-items:center;gap:12px;position:relative;z-index:1}
.auth-brandside .mark .glyph{width:44px;height:44px;border-radius:11px;background:#fff;color:#1f4e6b;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:22px;box-shadow:0 8px 20px rgba(0,0,0,.25)}
.auth-brandside .mark .name{font-size:20px;font-weight:700;letter-spacing:.2px}
.auth-brandside .pitch{position:relative;z-index:1;max-width:440px}
.auth-brandside .pitch h2{font-size:30px;line-height:1.2;font-weight:700;margin:0 0 14px}
.auth-brandside .pitch p{font-size:14.5px;line-height:1.65;color:#bcd2e2;margin:0}
.auth-brandside .feats{list-style:none;padding:0;margin:22px 0 0;position:relative;z-index:1}
.auth-brandside .feats li{display:flex;align-items:center;gap:10px;font-size:13.5px;color:#cfe0ec;margin:9px 0}
.auth-brandside .feats .tick{width:20px;height:20px;border-radius:50%;background:rgba(255,255,255,.14);display:flex;align-items:center;justify-content:center;font-size:11px}
.auth-brandside .foot{position:relative;z-index:1;font-size:12px;color:#8fabbf}
.auth-formside{flex:1;display:flex;align-items:center;justify-content:center;background:#fff;padding:40px}
.auth-formside .box{width:100%;max-width:370px}
.auth-formside h1{font-size:23px;margin:0 0 5px;color:var(--ink)}
.auth-formside .sub{color:var(--ink-soft);font-size:13.5px;margin-bottom:26px}
.auth-formside .form-row{margin-bottom:16px}
.auth-formside label{display:block;font-weight:600;font-size:13px;margin-bottom:6px;color:var(--ink)}
.auth-formside input[type=email],.auth-formside input[type=password]{width:100%;border:1px solid var(--line-strong);border-radius:8px;padding:11px 12px;font-size:14px;font-family:inherit;color:var(--ink);transition:border-color .15s,box-shadow .15s}
.auth-formside input[type=email]:focus,.auth-formside input[type=password]:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,78,107,.12)}
.auth-formside .checkbox-row{display:flex;align-items:center;gap:8px;margin:6px 0 22px}
.auth-formside .btn-signin{width:100%;border:none;border-radius:8px;background:var(--brand);color:#fff;font-size:15px;font-weight:600;padding:12px;cursor:pointer;font-family:inherit;transition:background .15s}
.auth-formside .btn-signin:hover{background:var(--brand-dark)}
.auth-formside .alert{margin-bottom:16px}
@media(max-width:860px){
  .auth-split{flex-direction:column}
  .auth-brandside{flex:none;padding:28px 26px;min-height:auto}
  .auth-brandside .pitch,.auth-brandside .feats,.auth-brandside .foot{display:none}
  .auth-formside{flex:1;align-items:flex-start;padding:32px 22px}
}

.empty{text-align:center;padding:50px 20px;color:var(--ink-soft)}
.empty h4{margin:0 0 6px;color:var(--ink);font-size:15px}

.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar .spacer{flex:1}
.filter-tabs{display:flex;gap:2px;background:var(--muted);padding:3px;border-radius:var(--radius-sm)}
.filter-tabs a{padding:6px 13px;border-radius:5px;font-size:13px;color:var(--ink-soft)}
.filter-tabs a.active{background:#fff;color:var(--ink);font-weight:600;box-shadow:var(--shadow)}

.dl{display:grid;grid-template-columns:150px 1fr;gap:2px 16px;font-size:13.5px}
.dl dt{color:var(--ink-soft);padding:7px 0}
.dl dd{margin:0;padding:7px 0;font-weight:500}

/* Two-column field layout (licence forms, delivery-note details) */
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.field{margin-bottom:12px}
.field label{display:block;font-size:12.5px;color:var(--ink-soft);margin-bottom:4px}
.field input,.field textarea,.field select{width:100%}

.pagination{display:flex;gap:4px;margin-top:18px;justify-content:flex-end;font-size:13px}
.pagination a,.pagination span{padding:6px 11px;border:1px solid var(--line);border-radius:5px;background:#fff}
.pagination .active span{background:var(--brand);color:#fff;border-color:var(--brand)}

/* ---------- Mobile / responsive ---------- */

/* Menu button: hidden on desktop, shown on narrow screens */
#menuBtn{display:none}

/* Backdrop behind the slide-out sidebar */
.sidebar-backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.45);z-index:40}
.sidebar-backdrop.show{display:block}

@media(max-width:820px){
  #menuBtn{display:inline-flex;align-items:center;justify-content:center;font-size:17px;line-height:1;padding:6px 10px}

  .sidebar{position:fixed;top:0;bottom:0;left:0;transform:translateX(-100%);transition:transform .2s;z-index:50;overflow-y:auto}
  .sidebar.open{transform:none}
  .main{margin-left:0}

  /* Forms stack */
  .form-grid,.form-grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}

  /* Topbar: let it wrap rather than crush */
  .topbar{flex-wrap:wrap;gap:8px;padding:10px 14px;height:auto}
  .topbar .company-switch{order:2;flex:1 1 100%}
  .topbar select{max-width:100%;width:100%}
  .topbar .spacer{display:none}
  .topbar .userchip{margin-left:auto;gap:8px}
  .topbar .userchip span:first-child{display:none} /* hide long user name, keep role + sign out */

  /* Page padding + headings */
  .content{padding:14px}
  .page-head{flex-wrap:wrap;gap:10px}
  .page-head h2{font-size:19px}

  /* Wide tables scroll sideways instead of breaking the layout.
     Scoped to panels containing a table, so panels holding forms and
     dropdowns don't get an overflow context that could clip them.
     .table-scroll is a plain fallback for browsers without :has(). */
  .panel:has(table.grid),.panel:has(.items-table),.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  table.grid{min-width:640px}
  table.grid th,table.grid td{padding:10px 12px;font-size:13px}

  /* Invoice/estimate line items: scroll rather than crush the inputs */
  .items-table{min-width:560px}
  .items-table th,.items-table td{padding:5px 6px}

  /* Invoice/estimate line items: scroll rather than crush the inputs */
  .items-table{min-width:560px}
  .items-table th,.items-table td{padding:5px 6px}

  /* Totals cards stack full width */
  .totals-box{width:100%}

  /* Buttons easier to hit */
  .btn{padding:9px 13px}
  .btn-sm{padding:7px 11px}
}

/* Phones */
@media(max-width:480px){
  .content{padding:11px}
  .page-head h2{font-size:17px}
  .panel-body{padding:13px}
  .topbar .role-badge{display:none}
  table.grid{min-width:560px}
  /* Stack toolbar buttons full width so they're tappable */
  .toolbar{flex-wrap:wrap}
  .toolbar .btn{flex:1 1 auto;justify-content:center}
}