:root{ --navy:#1a2744; --gold:#c9962f; --ink:#222; --muted:#6b7280; --line:#e4e7ec; --bg:#eef0f3; }
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{font-family:'Inter','Helvetica Neue',Arial,'Segoe UI',sans-serif;color:var(--ink);background:var(--bg);}
a{color:var(--navy);}
button,.btn{font-family:inherit;cursor:pointer;}

/* ---------- top nav ---------- */
.app-nav{position:sticky;top:0;z-index:20;background:var(--navy);color:#fff;display:flex;align-items:center;gap:18px;padding:11px 20px;flex-wrap:wrap;box-shadow:0 2px 10px rgba(0,0,0,.18);}
.app-nav .brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.3px;}
.app-nav .brand img{width:30px;height:30px;border-radius:6px;background:#fff;padding:2px;}
.app-nav .brand small{display:block;font-weight:500;color:#aeb7c7;font-size:11px;letter-spacing:1px;}
.app-nav .links{display:flex;align-items:center;gap:6px;margin-left:auto;flex-wrap:wrap;}
.app-nav .links a{color:#dfe4ee;text-decoration:none;font-size:13.5px;font-weight:600;padding:8px 12px;border-radius:8px;}
.app-nav .links a:hover{background:#2a3a5e;color:#fff;}
.app-nav .links a.active{background:#2a3a5e;color:#fff;}
.app-nav .links a.gold{background:var(--gold);color:#1a1a1a;}
.app-nav .links a.gold:hover{background:#d8a63f;}

.container{max-width:1180px;margin:0 auto;padding:24px 20px 60px;}
h2.page{font-size:20px;color:var(--navy);margin:4px 0 18px;}

/* ---------- buttons ---------- */
.btn{display:inline-block;border:0;border-radius:8px;padding:9px 15px;font-size:13.5px;font-weight:600;background:#2a3a5e;color:#fff;text-decoration:none;transition:background .15s,transform .05s;}
.btn:hover{background:#34466e;} .btn:active{transform:translateY(1px);}
.btn.gold{background:var(--gold);color:#1a1a1a;} .btn.gold:hover{background:#d8a63f;}
.btn.ghost{background:#fff;border:1px solid #cfd5e0;color:var(--navy);} .btn.ghost:hover{background:#f4f6f9;}
.btn.danger{background:#b42318;} .btn.danger:hover{background:#911c12;}
.btn.sm{padding:6px 10px;font-size:12.5px;}

/* ---------- cards / tables ---------- */
.card{background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 2px rgba(16,24,40,.04);}
.table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;}
.table th{background:#f7f8fa;text-align:left;font-size:11.5px;letter-spacing:.6px;text-transform:uppercase;color:#667085;padding:12px 14px;border-bottom:1px solid var(--line);}
.table td{padding:13px 14px;border-bottom:1px solid #eef0f3;font-size:14px;}
.table tr:last-child td{border-bottom:0;}
.table tr:hover td{background:#fafbfc;}
.muted{color:var(--muted);}
.right{text-align:right;}
.nowrap{white-space:nowrap;}
.empty{padding:40px;text-align:center;color:#98a2b3;}
.flash{padding:11px 14px;border-radius:9px;margin-bottom:16px;font-size:13.5px;}
.flash.ok{background:#ecfdf3;border:1px solid #abefc6;color:#067647;}
.flash.err{background:#fef3f2;border:1px solid #fecdca;color:#b42318;}

/* ---------- forms ---------- */
.formgrid{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.formgrid.cols3{grid-template-columns:1fr 1fr 1fr;}
@media (max-width:760px){ .formgrid,.formgrid.cols3{grid-template-columns:1fr;} }
.fld{margin-bottom:13px;}
.fld label{display:block;font-size:12px;font-weight:600;color:#475467;margin-bottom:5px;}
.fld input,.fld textarea{width:100%;border:1px solid #d0d5dd;border-radius:8px;padding:9px 11px;font-size:14px;color:#101828;background:#fff;outline:none;transition:border .15s,box-shadow .15s;font-family:inherit;}
.fld input:focus,.fld textarea:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(26,39,68,.10);}
.fld textarea{resize:vertical;min-height:48px;line-height:1.45;}
.section{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 16px 6px;margin-bottom:16px;}
.section h3{margin:0 0 14px;font-size:12px;letter-spacing:1.2px;text-transform:uppercase;color:var(--navy);font-weight:700;}

/* ---------- payment status (badge = green "paid" / red "unpaid", never color alone) ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px 4px 8px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.2px;line-height:1;vertical-align:middle;}
.badge .dot{width:7px;height:7px;border-radius:50%;display:inline-block;flex:0 0 7px;}
.badge.paid{background:#ecfdf3;color:#067647;border:1px solid #abefc6;}
.badge.paid .dot{background:#067647;}
.badge.unpaid{background:#fef3f2;color:#b42318;border:1px solid #fecdca;}
.badge.unpaid .dot{background:#b42318;}

/* ---------- KPI stat tiles ---------- */
.stats-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin:20px 0;}
@media (max-width:760px){ .stats-row{grid-template-columns:1fr 1fr;} }
.stat-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px 18px;}
.stat-tile .stat-label{font-size:11px;letter-spacing:.5px;text-transform:uppercase;color:#667085;font-weight:700;margin-bottom:8px;}
.stat-tile .stat-value{font-size:22px;font-weight:800;color:var(--navy);}
.stat-tile.good .stat-value{color:#067647;}
.stat-tile.bad .stat-value{color:#b42318;}

/* ---------- part-to-whole bar (paid vs. offen) ---------- */
.paywhole-bar{display:flex;height:24px;border-radius:8px;overflow:hidden;background:var(--bg);}
.paywhole-bar .seg{display:flex;align-items:center;justify-content:center;min-width:2px;}
.paywhole-bar .seg.paid{background:#067647;}
.paywhole-bar .seg.unpaid{background:#b42318;}
.paywhole-bar .seg-gap{width:2px;flex:0 0 2px;background:var(--bg);}
.paywhole-bar .seg-label{color:#fff;font-size:11.5px;font-weight:700;white-space:nowrap;}

/* ---------- monthly grouped bar chart (paid vs. offen per month) ---------- */
.month-chart{display:flex;align-items:flex-end;gap:20px;height:160px;padding:10px 4px 0;border-bottom:1px solid var(--line);overflow-x:auto;}
.month-col{display:flex;flex-direction:column;align-items:center;flex:1;min-width:36px;}
.month-col .bars{display:flex;align-items:flex-end;gap:2px;height:130px;width:100%;justify-content:center;}
.month-col .bar{width:14px;max-width:24px;border-radius:4px 4px 0 0;}
.month-col .bar.paid{background:#067647;}
.month-col .bar.unpaid{background:#b42318;}
.month-col .month-label{margin-top:8px;font-size:11px;color:var(--muted);white-space:nowrap;}

/* ---------- shared chart legend (identity = swatch + label, never color alone) ---------- */
.chart-legend{display:flex;gap:20px;margin-top:12px;font-size:12.5px;color:#475467;flex-wrap:wrap;}
.chart-legend .legend-item{display:flex;align-items:center;gap:7px;}
.chart-legend .dot{width:9px;height:9px;border-radius:50%;display:inline-block;flex:0 0 9px;}
.chart-legend .dot.paid{background:#067647;}
.chart-legend .dot.unpaid{background:#b42318;}

/* item rows */
.item{border:1px solid #e3e6eb;border-radius:10px;padding:12px;margin-bottom:10px;background:#fcfcfd;position:relative;}
.item .rownum{position:absolute;top:-9px;left:10px;background:var(--navy);color:#fff;font-size:10px;font-weight:700;border-radius:20px;padding:2px 8px;}
.item .rm{position:absolute;top:8px;right:8px;border:0;background:#f2f4f7;color:#98a2b3;border-radius:6px;width:26px;height:26px;font-size:16px;line-height:1;}
.item .rm:hover{background:#fee2e2;color:#d92d20;}
.addbtn{width:100%;border:1.5px dashed #c3c9d4;background:#fff;color:var(--navy);border-radius:9px;padding:11px;font-weight:600;font-size:13.5px;}
.addbtn:hover{background:#f4f6f9;border-color:var(--navy);}

/* edit layout */
.edit-wrap{display:grid;grid-template-columns:430px 1fr;gap:22px;align-items:start;}
@media (max-width:1040px){ .edit-wrap{grid-template-columns:1fr;} }
.preview-pane{background:#e9ecf1;border-radius:12px;padding:20px;overflow:auto;display:flex;justify-content:center;}

/* ---------- login ---------- */
.login-overlay{position:fixed;inset:0;background:linear-gradient(135deg,#1f2f52 0%,#0f1830 100%);display:flex;align-items:center;justify-content:center;padding:20px;}
.login-card{background:#fff;border-radius:16px;padding:34px 30px 26px;width:350px;max-width:92vw;text-align:center;box-shadow:0 24px 70px rgba(0,0,0,.45);}
.login-card .login-logo{width:92px;height:92px;}
.login-card h1{font-size:20px;color:var(--navy);margin:10px 0 2px;font-weight:800;letter-spacing:.3px;}
.login-card .sub{font-size:12.5px;color:#6b7280;margin:0 0 20px;}
.login-card input{width:100%;border:1.5px solid #d0d5dd;border-radius:10px;padding:13px 14px;font-size:17px;text-align:center;letter-spacing:3px;outline:none;color:#101828;font-family:inherit;}
.login-card input:focus{border-color:var(--navy);box-shadow:0 0 0 3px rgba(26,39,68,.12);}
.login-card button{width:100%;margin-top:13px;border:0;border-radius:10px;padding:13px;background:var(--gold);color:#1a1a1a;font-weight:700;font-size:15px;cursor:pointer;font-family:inherit;}
.login-card button:hover{background:#d8a63f;}
.login-err{color:#d92d20;font-size:13px;margin-top:12px;min-height:18px;font-weight:600;}
.login-foot{font-size:11px;color:#9aa1ad;margin-top:14px;}

/* ===== invoice template (matches the original PDF) ===== */
.invoice{font-family:'Helvetica Neue',Arial,sans-serif;color:#2a2a2a;font-size:10.5px;line-height:1.5;width:210mm;min-height:297mm;display:flex;flex-direction:column;background:#fff;box-shadow:0 6px 30px rgba(16,24,40,.16);}
.invoice *{box-sizing:border-box;}
.invoice .inv-body{flex:1 0 auto;padding:20mm 16mm 8mm 16mm;}
.invoice .top{display:flex;justify-content:space-between;align-items:flex-start;}
.invoice .company{font-size:19px;font-weight:800;letter-spacing:.3px;color:#1a2744;}
.invoice .addr{margin-top:8px;color:#3a3a3a;}
.invoice .meta{margin-top:20px;}
.invoice .meta-row{display:flex;}
.invoice .meta-row .k{width:110px;font-weight:700;color:#1a2744;}
.invoice .meta-row .v{color:#4a4a4a;}
.invoice .bank{margin-top:24px;}
.invoice .bank .name{font-weight:700;color:#1a2744;}
.invoice .bank .line b{color:#1a2744;}
.invoice .logo{text-align:right;padding-top:2px;}
.invoice .logo-img{width:168px;height:168px;}
.invoice .rule{height:2px;background:#c9962f;margin:26px 0 22px;}
.invoice .mid{display:flex;justify-content:space-between;align-items:flex-start;}
.invoice .billto{width:50%;}
.invoice .billto .lbl{font-size:8px;letter-spacing:1.5px;color:#8a8a8a;font-weight:700;}
.invoice .billto .nm{font-weight:700;color:#1a2744;font-size:12px;margin-top:6px;}
.invoice .billto .ln{color:#3a3a3a;}
.invoice .invtitle{width:50%;}
.invoice .invtitle h1{font-size:44px;font-weight:800;color:#1a2744;letter-spacing:1px;text-align:left;margin:0;}
.invoice .details{margin-top:14px;border-left:2px solid #c9962f;padding-left:14px;}
.invoice .det-row{display:flex;padding:5px 0;}
.invoice .det-row .k{width:130px;color:#5a5a5a;}
.invoice .det-row .v{color:#1a2744;font-weight:600;}
.invoice table{width:100%;border-collapse:collapse;margin-top:28px;}
.invoice thead th{background:#1a2744;color:#fff;font-size:8.5px;font-weight:700;letter-spacing:.4px;text-transform:uppercase;padding:12px 8px;text-align:center;vertical-align:middle;line-height:1.25;}
.invoice thead th.l{text-align:left;}
.invoice tbody td{padding:16px 8px;border-bottom:1px solid #e4e4e4;vertical-align:middle;font-size:10.5px;}
.invoice .c-pos{text-align:center;width:7%;}
.invoice .c-desc{text-align:left;width:27%;color:#1a2744;font-weight:600;}
.invoice .c-zeit{text-align:center;width:16%;color:#4a4a4a;}
.invoice .c-hours{text-align:center;width:13%;}
.invoice .c-rate{text-align:center;width:19%;}
.invoice .c-total{text-align:right;width:18%;font-weight:600;color:#1a2744;}
.invoice .totals{width:56%;margin-left:44%;margin-top:4px;}
.invoice .tot-row{display:flex;justify-content:space-between;padding:13px 4px;border-bottom:1px solid #e4e4e4;}
.invoice .tot-row .k{color:#4a4a4a;}
.invoice .tot-row .v{color:#1a2744;}
.invoice .tot-row.grand{border-bottom:none;padding-top:16px;}
.invoice .tot-row.grand .k{font-weight:800;color:#1a2744;font-size:12px;}
.invoice .tot-row.grand .v{font-weight:800;color:#1a2744;font-size:18px;}
.invoice .notes{margin-top:40px;}
.invoice .notes .h{font-weight:700;color:#1a2744;}
.invoice .thanks{margin-top:26px;}
.invoice .thanks .h{font-weight:700;color:#1a2744;}
.invoice .thanks .sig{font-style:italic;color:#5a5a5a;margin-top:2px;}
.invoice .footer{flex-shrink:0;background:#1a2744;color:#cdd4e2;text-align:center;font-size:8.5px;line-height:2.1;padding:16px 10px;}
.invoice .footer b{color:#fff;}

/* ---------- print ---------- */
@media print{
  .app-nav,.no-print,.preview-pane,.edit-form{display:none !important;}
  body{background:#fff !important;}
  .container{max-width:none;margin:0;padding:0;}
  .invoice{zoom:1 !important;width:210mm;min-height:297mm;margin:0;box-shadow:none !important;}
  @page{size:A4;margin:0;}
}