:root{
  --bg:#f5f7fb; --card:#fff; --text:#1f2937; --muted:#6b7280; --line:#e5e7eb;
  --primary:#2563eb; --primary-d:#1d4ed8; --ok:#059669; --warn:#d97706; --err:#dc2626;
  --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.05),0 1px 3px rgba(16,24,40,.06);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:15px/1.5 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:1.6rem;margin:0;display:flex;align-items:center;gap:.6rem;flex-wrap:wrap}
h2{font-size:1.05rem;margin:0 0 .9rem}
.muted{color:var(--muted)} .small{font-size:.85rem} .nowrap{white-space:nowrap} .right{text-align:right}
.pad{padding:0 1.2rem} h2.pad{padding-top:1.1rem}

/* topbar */
.topbar{background:#0f172a;color:#fff;position:sticky;top:0;z-index:20}
.topbar-inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:1.5rem;padding:.6rem 1.2rem}
.brand{color:#fff;font-weight:700;font-size:1.1rem;display:flex;align-items:center;gap:.5rem}
.brand:hover{text-decoration:none}
.brand.big{color:var(--text);font-size:1.5rem;justify-content:center;margin-bottom:1rem}
.logo-dot{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--primary);color:#fff;font-weight:700}
.mainnav{display:flex;gap:.25rem}
.mainnav a{color:#cbd5e1;padding:.45rem .8rem;border-radius:8px;font-size:.95rem}
.mainnav a:hover{background:#1e293b;color:#fff;text-decoration:none}
.mainnav a.active{background:#1e293b;color:#fff}
.topbar-right{margin-left:auto;display:flex;align-items:center;gap:.8rem}
.switcher select{background:#1e293b;color:#fff;border:1px solid #334155;border-radius:8px;padding:.4rem .6rem;max-width:220px}
.btn-link{background:none;border:0;color:#cbd5e1;cursor:pointer;font:inherit;font-size:.9rem}
.btn-link:hover{color:#fff}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.4rem;cursor:pointer;margin-left:auto}

.container{max-width:1200px;margin:0 auto;padding:1.5rem 1.2rem 4rem}
.footer{text-align:center;color:var(--muted);font-size:.8rem;padding:1rem}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:1rem;margin-bottom:1.2rem;flex-wrap:wrap}
.actions{display:flex;gap:.5rem;flex-wrap:wrap}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:1.2rem;margin-bottom:1.2rem}
.card.narrow,.narrow{max-width:640px}
.table-card{padding:0;overflow:auto}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:1.2rem}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.grid-2>.card{margin-bottom:1.2rem}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:.8rem}
.row-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:.8rem}
.empty{padding:2rem;text-align:center;color:var(--muted)}

/* forms */
label{display:block;font-size:.85rem;font-weight:600;color:#374151;margin-bottom:.8rem}
label small{font-weight:400}
input,select,textarea{display:block;width:100%;margin-top:.3rem;font:inherit;font-size:.95rem;color:var(--text);background:#fff;border:1px solid #d1d5db;border-radius:8px;padding:.5rem .65rem;transition:border-color .15s,box-shadow .15s}
textarea{resize:vertical}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.15)}
label.check{display:flex;align-items:center;gap:.5rem;font-weight:500}
label.check input{width:auto;margin:0}
.form-actions{display:flex;gap:.6rem;justify-content:flex-end;flex-wrap:wrap}
.form-actions.sticky{position:sticky;bottom:0;background:linear-gradient(to top,var(--bg) 70%,transparent);padding:1rem 0}

.btn{display:inline-flex;align-items:center;gap:.35rem;justify-content:center;font:inherit;font-size:.92rem;font-weight:600;padding:.5rem .95rem;border-radius:8px;border:1px solid #d1d5db;background:#fff;color:var(--text);cursor:pointer;white-space:nowrap}
.btn:hover{background:#f9fafb;text-decoration:none}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-d)}
.btn-success{background:var(--ok);border-color:var(--ok);color:#fff}
.btn-success:hover{background:#047857}
.btn-ghost{background:transparent;border-color:transparent;color:var(--primary)}
.btn-ghost:hover{background:#eff6ff}
.btn-danger-ghost{background:transparent;border-color:transparent;color:var(--err)}
.btn-danger-ghost:hover{background:#fef2f2}
.btn-sm{padding:.3rem .6rem;font-size:.82rem}
.btn-block{width:100%}
.btn-icon{background:none;border:0;color:#9ca3af;cursor:pointer;font-size:1rem;padding:.3rem .5rem;border-radius:6px}
.btn-icon:hover{color:var(--err);background:#fef2f2}
form.inline{display:inline-flex;gap:.4rem;align-items:center;margin:0}
form.inline input[type=date]{width:auto;margin:0;padding:.42rem .5rem}
.toolbar{display:flex;gap:.4rem;flex-wrap:wrap;align-items:center;padding:.7rem}

/* flash */
.flash{padding:.75rem 1rem;border-radius:10px;margin-bottom:1rem;border:1px solid}
.flash-ok{background:#ecfdf5;border-color:#a7f3d0;color:#065f46}
.flash-err{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.flash-warn{background:#fffbeb;border-color:#fde68a;color:#92400e}

/* stats */
.stats{display:grid;grid-template-columns:repeat(6,1fr);gap:.8rem;margin-bottom:1.2rem}
.stat{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:.85rem 1rem;box-shadow:var(--shadow)}
.stat span{display:block;font-size:.78rem;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}
.stat strong{font-size:1.15rem;font-variant-numeric:tabular-nums}
.stat-ok strong{color:var(--ok)} .stat-warn strong{color:var(--warn)} .stat-err strong{color:var(--err)}

/* filters */
.filters{display:flex;gap:.8rem;flex-wrap:wrap;align-items:flex-end;padding:.9rem 1.2rem}
.filters label{margin:0;min-width:160px}
.filters .grow{flex:1}
.filter-btns{display:flex;gap:.3rem}

/* tables */
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th{text-align:left;font-size:.75rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:600;padding:.7rem 1rem;border-bottom:1px solid var(--line);background:#fafbfc}
.table td{padding:.7rem 1rem;border-bottom:1px solid #f1f5f9;vertical-align:middle}
.table tbody tr:hover{background:#f8fafc}
.table tr.clickable{cursor:pointer}
.table tfoot th{background:#f8fafc;color:var(--text);font-size:.9rem}
.num{text-align:right;font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:.15rem .55rem;border-radius:999px;font-size:.75rem;font-weight:600;background:#f1f5f9;color:#475569;white-space:nowrap}
.badge-draft{background:#f1f5f9;color:#475569}
.badge-sent{background:#dbeafe;color:#1e40af}
.badge-paid{background:#d1fae5;color:#065f46}
.badge-overdue{background:#fee2e2;color:#991b1b}
.badge-cancelled{background:#f3f4f6;color:#9ca3af;text-decoration:line-through}

/* invoice lines editor */
.lines-wrap{overflow-x:auto}
.table.lines td{padding:.4rem .4rem;vertical-align:top}
.table.lines th{padding:.5rem .4rem}
.table.lines input,.table.lines select,.table.lines textarea{margin:0;padding:.4rem .5rem}
.table.lines textarea{min-height:38px}
.col-desc{min-width:260px} .col-qty{width:90px} .col-unit{width:90px} .col-price{width:120px} .col-vat{width:130px} .col-sum{width:110px} .col-del{width:40px}
.line-sum{padding-top:.75rem!important;font-weight:600}
.no-vat .vat-col{display:none}
.totals{max-width:380px;margin-left:auto;margin-top:1rem}
.trow{display:flex;justify-content:space-between;gap:1rem;padding:.3rem 0}
.trow.sub{color:var(--muted);font-size:.9rem}
.trow.grand{border-top:2px solid var(--text);margin-top:.4rem;padding-top:.6rem;font-size:1.15rem}
.new-client-opts{display:flex;gap:1.2rem;flex-wrap:wrap}
.new-client-opts.hidden{display:none}

/* invoice preview */
.inv-head{display:grid;grid-template-columns:1fr 1fr auto;gap:1.5rem;margin-bottom:1.2rem}
.inv-meta{display:grid;grid-template-columns:auto auto;gap:.2rem 1rem;margin:0;font-size:.92rem}
.inv-meta dt{color:var(--muted)} .inv-meta dd{margin:0;font-weight:600;text-align:right}
.notes{background:#f8fafc;border-radius:8px;padding:.8rem 1rem;margin-top:1rem}

/* companies */
.company-top{display:flex;gap:1rem;align-items:center;margin-bottom:.8rem}
.company-top h2{margin:0}
.company-logo{max-height:48px;max-width:110px;object-fit:contain}
.kv{display:grid;grid-template-columns:auto 1fr;gap:.25rem 1rem;margin:0 0 1rem;font-size:.9rem}
.kv dt{color:var(--muted)} .kv dd{margin:0;font-weight:600}
.card-actions{display:flex;gap:.3rem;flex-wrap:wrap}
.logo-preview{display:flex;align-items:center;gap:1rem}
.logo-preview img{max-height:60px;max-width:160px;border:1px solid var(--line);border-radius:6px;padding:4px;background:#fff}

/* auth */
body.auth{display:grid;place-items:center;min-height:100vh;padding:1rem;background:linear-gradient(135deg,#0f172a,#1e3a8a)}
.auth-card{width:100%;max-width:380px;padding:2rem}

/* responsive */
@media (max-width:1000px){ .stats{grid-template-columns:repeat(3,1fr)} }
@media (max-width:800px){
  .grid-2,.row-3{grid-template-columns:1fr}
  .inv-head{grid-template-columns:1fr}
  .inv-meta dd{text-align:left}
  .nav-toggle{display:block}
  .topbar-inner{flex-wrap:wrap;gap:.6rem}
  .mainnav,.topbar-right{display:none;width:100%}
  .nav-open .mainnav{display:flex;flex-direction:column}
  .nav-open .topbar-right{display:flex;justify-content:space-between}
  .hide-sm{display:none}
  .stats{grid-template-columns:repeat(2,1fr)}
  /* arveread kaartidena */
  .table.lines thead{display:none}
  .table.lines,.table.lines tbody,.table.lines tr,.table.lines td{display:block;width:100%}
  .table.lines tr.line{border:1px solid var(--line);border-radius:10px;padding:.5rem;margin-bottom:.6rem;position:relative}
  .table.lines td{border:0;padding:.25rem}
  .table.lines td[data-label]::before{content:attr(data-label);display:block;font-size:.75rem;color:var(--muted);font-weight:600}
  .table.lines td.col-del{position:absolute;top:.2rem;right:.2rem;width:auto}
  .no-vat .table.lines td.vat-col{display:none}
}
@media (max-width:480px){ .row-2{grid-template-columns:1fr} .container{padding:1rem .7rem 4rem} }