:root{
  --ink:#122620; --ink-2:#182E27; --ink-line:#294238;
  --paper:#FFFFFF; --paper-2:#F4F7F2; --paper-3:#EBF0E7;
  --line:#DEE5D9; --text:#182018; --text-muted:#61705F;
  --gold:#A9803F; --gold-dim:#C7AB7C;
  --positive:#3F7859; --positive-bg:#EAF3ED;
  --negative:#A6432D; --negative-bg:#FBEEEA;
  --sidebar-text:#EAF0E7; --sidebar-text-dim:#93A79A;
  --radius:10px;
  --shadow: 0 1px 2px rgba(18,38,32,0.06), 0 4px 16px rgba(18,38,32,0.06);
  --font-display: 'Fraunces', serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', monospace;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{font-family:var(--font-body);color:var(--text);background:var(--paper-2);-webkit-font-smoothing:antialiased;font-size:14px;}
.app{display:grid;grid-template-columns:280px 1fr;min-height:100vh;}
::selection{background:var(--gold-dim);color:var(--ink);}
a{color:inherit;}

.sidebar{background:linear-gradient(180deg,var(--ink) 0%,var(--ink-2) 100%);color:var(--sidebar-text);display:flex;flex-direction:column;padding:22px 16px 16px;position:sticky;top:0;height:100vh;overflow-y:auto;}
.brand{padding:4px 8px 18px;border-bottom:1px solid var(--ink-line);margin-bottom:16px;}
.brand .eyebrow{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold-dim);margin:0 0 4px;}
.brand h1{font-family:var(--font-display);font-weight:600;font-size:21px;margin:0;}
.brand h1 a{text-decoration:none;color:inherit;}
.sidebar-summary{padding:12px 10px;margin-bottom:16px;border:1px solid var(--ink-line);border-radius:var(--radius);background:rgba(255,255,255,0.03);}
.sidebar-summary .row{display:flex;justify-content:space-between;align-items:baseline;padding:3px 0;font-size:12.5px;color:var(--sidebar-text-dim);}
.sidebar-summary .row b{font-family:var(--font-mono);color:var(--sidebar-text);font-size:12.5px;font-weight:500;}
.sidebar-summary .row.total b{font-size:15px;color:#fff;}
.sidebar-nav-label{font-family:var(--font-mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;color:var(--sidebar-text-dim);margin:4px 10px 8px;}
.house-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;flex:1;}
.house-card{position:relative;display:block;padding:10px 12px 10px 16px;border-radius:8px;text-decoration:none;border:1px solid transparent;}
.house-card::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:2px;background:var(--house-flag,var(--gold-dim));}
.house-card:hover{background:rgba(255,255,255,0.05);}
.house-card.active{background:rgba(255,255,255,0.08);border-color:var(--ink-line);}
.house-card .name{display:block;font-family:var(--font-display);font-size:14.5px;font-weight:500;color:#fff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.house-card .meta{display:flex;justify-content:space-between;font-family:var(--font-mono);font-size:11.5px;color:var(--sidebar-text-dim);}
.cf.pos{color:#8FD1AC;} .cf.neg{color:#E39E8C;}
.btn-add-house{display:block;margin-top:10px;width:100%;padding:10px 12px;border-radius:8px;border:1px dashed var(--ink-line);background:transparent;color:var(--sidebar-text-dim);font-family:var(--font-body);font-size:13px;font-weight:500;cursor:pointer;text-align:left;text-decoration:none;}
.btn-add-house:hover{color:#fff;border-color:var(--gold-dim);background:rgba(255,255,255,0.04);}
.sidebar-foot{margin-top:16px;padding-top:12px;border-top:1px solid var(--ink-line);display:flex;flex-direction:column;gap:6px;}
.link-btn{background:none;border:none;cursor:pointer;font-family:var(--font-body);font-size:12px;color:var(--sidebar-text-dim);text-align:left;padding:4px 2px;text-decoration:none;display:block;}
.link-btn:hover{color:#fff;}

main{padding:28px 40px 60px;max-width:1180px;}
.topbar{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:22px;gap:20px;flex-wrap:wrap;}
.title-block h2{font-family:var(--font-display);font-size:28px;font-weight:600;margin:0 0 4px;}
.title-block .sub{color:var(--text-muted);font-size:13px;}
.topbar-actions{display:flex;gap:8px;flex-shrink:0;flex-wrap:wrap;}
.btn{font-family:var(--font-body);font-size:12.5px;font-weight:600;padding:9px 14px;border-radius:7px;border:1px solid var(--line);background:#fff;color:var(--text);cursor:pointer;display:inline-flex;align-items:center;gap:6px;text-decoration:none;}
.btn:hover{border-color:var(--gold);color:var(--gold);}
.btn.primary{background:var(--ink);border-color:var(--ink);color:#fff;}
.btn.primary:hover{background:var(--ink-2);color:#fff;}
.btn.ghost-danger{color:var(--negative);border-color:transparent;background:transparent;}
.btn.ghost-danger:hover{background:var(--negative-bg);border-color:var(--negative-bg);}

.kpi-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-bottom:24px;}
.kpi{background:#fff;padding:14px 18px;}
.kpi .label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);margin-bottom:6px;}
.kpi .value{font-family:var(--font-mono);font-size:20px;font-weight:600;color:var(--ink);}
.kpi .value.pos{color:var(--positive);} .kpi .value.neg{color:var(--negative);}

.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:24px;flex-wrap:wrap;}
.tab-btn{font-family:var(--font-body);font-size:13px;font-weight:600;padding:10px 16px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);cursor:pointer;margin-bottom:-1px;text-decoration:none;}
.tab-btn:hover{color:var(--text);}
.tab-btn.active{color:var(--ink);border-bottom-color:var(--gold);}

.panel{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:22px 24px;margin-bottom:20px;box-shadow:var(--shadow);}
.panel h3{font-family:var(--font-display);font-size:16px;font-weight:600;margin:0 0 4px;}
.panel .panel-sub{color:var(--text-muted);font-size:12px;margin-bottom:16px;}
.panel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px 20px;}
.panel-grid.cols-2{grid-template-columns:repeat(2,1fr);}
.field{display:flex;flex-direction:column;gap:5px;}
.field label{font-size:11.5px;font-weight:600;color:var(--text-muted);display:flex;justify-content:space-between;}
.field label .hint{font-weight:400;font-style:italic;color:#9AA69B;}
.field input{font-family:var(--font-mono);font-size:14px;padding:8px 10px;border:1px solid var(--line);border-radius:6px;background:var(--paper-2);color:var(--text);width:100%;}
.field input:focus{outline:none;border-color:var(--gold);background:#fff;}
.field.suffix-pct{position:relative;}
.field .unit-suffix{position:absolute;right:10px;bottom:8px;font-family:var(--font-mono);font-size:12px;color:var(--text-muted);pointer-events:none;}
.field .readonly-val{font-family:var(--font-mono);padding:8px 0;font-size:14px;}
.divider-label{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;color:var(--gold);margin:22px 0 12px;padding-top:16px;border-top:1px solid var(--line);}
.divider-label:first-child{margin-top:0;padding-top:0;border-top:none;}

.ledger-wrap{overflow-x:auto;}
table.ledger{width:100%;border-collapse:collapse;font-size:12.5px;}
table.ledger th{font-family:var(--font-mono);font-size:10px;letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted);text-align:right;padding:6px 8px;border-bottom:1px solid var(--line);white-space:nowrap;}
table.ledger th:first-child, table.ledger td:first-child{text-align:left;}
table.ledger td{padding:5px 8px;border-bottom:1px solid var(--paper-3);text-align:right;font-family:var(--font-mono);}
table.ledger td input{width:100%;max-width:82px;font-family:var(--font-mono);font-size:12.5px;text-align:right;border:1px solid var(--line);background:var(--paper-2);padding:3px 4px;border-radius:4px;}
table.ledger td input.name-input{max-width:110px;text-align:left;font-family:var(--font-body);font-weight:500;}
table.ledger td input:focus{outline:none;border-color:var(--gold);background:#fff;}
table.ledger tr.total-row td{font-weight:700;border-top:1.5px solid var(--ink);border-bottom:none;color:var(--ink);}
table.ledger tr.total-row td:first-child{font-family:var(--font-body);}
.row-remove{background:none;border:1px solid var(--line);border-radius:6px;color:var(--negative);cursor:pointer;font-size:12px;padding:5px 9px;font-family:var(--font-body);}
.row-remove:hover{background:var(--negative-bg);}
.btn-add-row{margin-top:10px;font-family:var(--font-mono);font-size:12px;background:none;border:1px dashed var(--line);border-radius:6px;padding:7px 12px;cursor:pointer;color:var(--text-muted);}
.btn-add-row:hover{color:var(--gold);border-color:var(--gold);}

.note{font-size:12px;color:var(--text-muted);background:var(--paper-2);border-left:3px solid var(--gold-dim);padding:10px 12px;border-radius:0 6px 6px 0;margin-top:14px;line-height:1.5;}
.flash{padding:10px 14px;border-radius:8px;font-size:13px;margin-bottom:18px;}
.flash.ok{background:var(--positive-bg);color:var(--positive);}
.flash.err{background:var(--negative-bg);color:var(--negative);}

.overview-empty{text-align:center;padding:60px 20px;}
.overview-empty .icon{font-size:34px;margin-bottom:10px;}
.overview-empty h2{font-family:var(--font-display);font-size:22px;margin:0 0 8px;}
.overview-empty p{color:var(--text-muted);font-size:13.5px;max-width:420px;margin:0 auto 18px;}
table.overview-table{width:100%;border-collapse:collapse;}
table.overview-table th{text-align:right;font-family:var(--font-mono);font-size:10.5px;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);padding:8px 12px;border-bottom:1px solid var(--line);}
table.overview-table th:first-child{text-align:left;}
table.overview-table td{padding:12px;border-bottom:1px solid var(--paper-3);text-align:right;font-family:var(--font-mono);font-size:13px;}
table.overview-table td:first-child{text-align:left;font-family:var(--font-body);font-weight:600;}
table.overview-table td:first-child a{text-decoration:none;color:inherit;}
table.overview-table td:first-child a:hover{color:var(--gold);}
table.overview-table tr.total-row td{font-weight:700;border-top:1.5px solid var(--ink);border-bottom:none;}

.verkauf-summary{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.vs-block{border:1px solid var(--line);border-radius:8px;padding:16px 18px;}
.vs-block h4{font-family:var(--font-display);font-size:14px;margin:0 0 10px;}
.vs-row{display:flex;justify-content:space-between;padding:5px 0;font-size:12.5px;border-bottom:1px dashed var(--paper-3);}
.vs-row span:first-child{color:var(--text-muted);}
.vs-row span:last-child{font-family:var(--font-mono);font-weight:500;}
.vs-row.big{font-size:15px;padding-top:10px;}
.vs-row.big span:last-child{font-weight:700;font-size:17px;}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--ink);}
.login-card{background:#fff;border-radius:14px;padding:36px 34px;width:100%;max-width:360px;box-shadow:var(--shadow);}
.login-card h1{font-family:var(--font-display);font-size:22px;margin:0 0 4px;}
.login-card .eyebrow{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin:0 0 14px;}
.login-card .field{margin-bottom:14px;}
.login-card button{width:100%;margin-top:6px;}

@media (max-width: 900px){
  .app{grid-template-columns:1fr;}
  .sidebar{position:relative;height:auto;}
  .panel-grid{grid-template-columns:repeat(2,1fr);}
  .kpi-strip{grid-template-columns:repeat(2,1fr);}
  main{padding:20px;}
}