:root{
  --ink:#14213d; --ink-2:#22304f; --muted:#5d6782; --line:#e3e6ee; --bg:#f6f7fb; --card:#fff;
  --accent:#b5651d; --accent-2:#8f4e14; --ok:#1f7a4d; --warn:#a86b00; --bad:#b3261e; --info:#2b5bb5;
  --r:10px; --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}
*{box-sizing:border-box}
body{margin:0;font:14px/1.5 var(--font);color:var(--ink);background:var(--bg)}
a{color:var(--info);text-decoration:none} a:hover{text-decoration:underline}
h1,h2,h3{margin:0 0 .6em;line-height:1.25}
h2{font-size:16px} h3{font-size:14px}
small,.muted{color:var(--muted)}

.shell{display:flex;min-height:100vh}
.side{width:232px;background:var(--ink);color:#cfd6e6;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex-shrink:0}
.brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;padding:20px 18px}
.brand:hover{text-decoration:none}
.mark{width:30px;height:30px;border-radius:8px;background:var(--accent);display:grid;place-items:center;color:#fff;font-family:Georgia,serif}
.side nav{display:flex;flex-direction:column;padding:4px 10px;gap:2px;overflow:auto}
.side nav a{display:flex;align-items:center;gap:10px;color:#cfd6e6;padding:9px 10px;border-radius:8px}
.side nav a:hover{background:var(--ink-2);text-decoration:none;color:#fff}
.side nav a.on{background:#fff1;color:#fff;box-shadow:inset 3px 0 var(--accent)}
.side svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.side-foot{margin-top:auto;padding:16px 18px;font-size:12px;color:#8e98b3}

.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{display:flex;align-items:center;gap:14px;padding:12px 24px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.search{flex:1;max-width:480px}
.search input{width:100%}
.me{margin-left:auto;display:flex;align-items:center;gap:14px}
.who small{display:block;font-size:11px;text-transform:capitalize;line-height:1}
.menu-btn{display:none;background:none;border:0;font-size:22px;cursor:pointer}
.content{padding:24px;max-width:1240px;width:100%}
.page-title{font-size:22px;margin-bottom:18px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-bottom:18px}
.card > h2:first-child{display:flex;justify-content:space-between;align-items:center}
.grid{display:grid;gap:18px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stat .k{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
.stat .v{font-size:24px;font-weight:700;margin-top:4px;font-variant-numeric:tabular-nums}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.toolbar .spacer{flex:1}

table{width:100%;border-collapse:collapse}
th,td{text-align:left;padding:10px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.03em;background:#fafbfd}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r)}
.card .table-wrap{border:0;border-radius:0;margin:0 -18px -18px}

label{display:block;font-weight:600;font-size:13px;margin-bottom:4px}
input,select,textarea{font:inherit;color:inherit;width:100%;padding:8px 10px;border:1px solid #cdd2de;border-radius:8px;background:#fff}
input:focus,select:focus,textarea:focus{outline:2px solid #b5651d33;border-color:var(--accent)}
textarea{min-height:90px;resize:vertical}
input[type=checkbox]{width:auto}
.form{display:grid;gap:14px;grid-template-columns:repeat(2,minmax(0,1fr))}
.form .full{grid-column:1/-1}
.form-actions{grid-column:1/-1;display:flex;gap:10px}
.inline{display:inline}

.btn{display:inline-block;background:var(--accent);color:#fff;border:0;border-radius:8px;padding:9px 14px;font:inherit;font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--accent-2);text-decoration:none}
.btn.ghost{background:#fff;color:var(--ink);border:1px solid #cdd2de}
.btn.ghost:hover{background:#f2f3f7}
.btn.danger{background:#fff;color:var(--bad);border:1px solid #e8c1be}
.btn.sm{padding:5px 10px;font-size:13px}
button.link{background:none;border:0;color:var(--info);cursor:pointer;font:inherit;padding:0}

.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:12px;font-weight:600;background:#eef0f5;color:var(--muted)}
.b-open,.b-paid,.b-converted,.b-qualified{background:#e3f4ea;color:var(--ok)}
.b-pending,.b-sent,.b-contacted{background:#fff3dc;color:var(--warn)}
.b-new{background:#e6eefc;color:var(--info)}
.b-overdue,.b-lost,.b-void{background:#fbe5e3;color:var(--bad)}
.b-closed,.b-draft{background:#eef0f5;color:var(--muted)}

.flash{padding:10px 14px;border-radius:8px;margin-bottom:14px;background:#e3f4ea;color:var(--ok);border:1px solid #bfe3cd}
.flash.err{background:#fbe5e3;color:var(--bad);border-color:#efc4c0}
.empty{text-align:center;padding:36px 16px;color:var(--muted)}
.dl{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;margin:0}
.dl dt{color:var(--muted)} .dl dd{margin:0}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs a{padding:8px 12px;color:var(--muted);border-bottom:2px solid transparent}
.tabs a.on{color:var(--ink);border-color:var(--accent);font-weight:600}
.overdue{color:var(--bad);font-weight:600}
.done{text-decoration:line-through;color:var(--muted)}
.bar{height:8px;background:#eef0f5;border-radius:99px;overflow:hidden}
.bar span{display:block;height:100%;background:var(--accent)}

/* auth */
.auth{min-height:100vh;display:grid;place-items:center;background:linear-gradient(160deg,var(--ink),#2a3a63)}
.auth .card{width:min(400px,92vw);padding:28px}
.auth .brand{color:var(--ink);padding:0 0 16px}

/* print (invoices) */
.invoice-doc{background:#fff;max-width:820px;margin:24px auto;padding:40px;border:1px solid var(--line)}
@media print{.no-print{display:none!important} body{background:#fff} .invoice-doc{border:0;margin:0}}

@media (max-width: 900px){
  .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .side{position:fixed;left:-240px;z-index:20;transition:left .2s}
  .side.open{left:0}
  .menu-btn{display:block}
  .who{display:none}
}
@media (max-width: 600px){
  .g2,.g3,.g4,.form{grid-template-columns:1fr}
  .content{padding:16px}
  .top{padding:10px 16px}
  .me .btn{display:none}
}