:root{
  --bg:#0e0f12;
  --panel:#17191f;
  --panel2:#20232b;
  --border:#2d313b;
  --text:#f4f5f7;
  --muted:#a7adb8;
  --accent:#E5A33D;
  --danger:#e35b5b;
  --good:#42c77b;
  --warn:#ffd166;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,Arial,sans-serif;font-size:15px;line-height:1.45}
a{color:inherit;text-decoration:none}
.shell{display:flex;min-height:100vh}
.sidebar{width:260px;background:#090a0d;border-right:1px solid var(--border);padding:18px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:24px}
.brand-mark{width:42px;height:42px;border:2px solid var(--accent);display:grid;place-items:center;font-weight:800;color:var(--accent);letter-spacing:.5px}
.brand strong{display:block;font-size:16px}.brand span{display:block;color:var(--muted);font-size:12px;margin-top:2px}
nav{display:grid;gap:7px}nav a{padding:10px 12px;border:1px solid transparent;color:#d8dbe2}nav a:hover{border-color:var(--border);background:var(--panel)}
.main{flex:1;padding:24px;max-width:1500px;margin:0 auto;width:100%}
.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}.topbar h1{margin:0;font-size:28px}.topbar p{margin:4px 0 0;color:var(--muted)}
.grid{display:grid;gap:16px}.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{background:var(--panel);border:1px solid var(--border);padding:18px}.card h2,.card h3{margin:0 0 12px}.card p{color:var(--muted)}
.metric{background:var(--panel);border:1px solid var(--border);padding:16px}.metric span{display:block;color:var(--muted);font-size:13px}.metric strong{display:block;font-size:26px;margin-top:4px}
.table-wrap{overflow:auto;border:1px solid var(--border);background:var(--panel)}table{width:100%;border-collapse:collapse}th,td{padding:10px 12px;border-bottom:1px solid var(--border);text-align:left;vertical-align:top}th{background:var(--panel2);color:#fff;font-size:12px;text-transform:uppercase;letter-spacing:.04em}td{color:#e8eaf0}tr:last-child td{border-bottom:0}
input,select,textarea{width:100%;padding:10px 12px;background:#0c0d11;border:1px solid var(--border);color:var(--text);font:inherit}textarea{min-height:110px}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:14px}.form-row.cols-3{grid-template-columns:repeat(3,1fr)}label{display:block;margin-bottom:6px;color:#d4d8df;font-size:13px}
button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;background:var(--accent);color:#111;font-weight:800;border:0;cursor:pointer}.btn.secondary,button.secondary{background:var(--panel2);color:var(--text);border:1px solid var(--border)}.btn.danger{background:var(--danger);color:#fff}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px}
.notice{padding:12px 14px;border:1px solid var(--border);margin:0 0 18px;background:var(--panel2)}.notice.success{border-color:rgba(66,199,123,.5)}.notice.error{border-color:rgba(227,91,91,.6)}.notice.warning{border-color:rgba(255,209,102,.6)}
.badge{display:inline-block;padding:3px 7px;border:1px solid var(--border);font-size:12px;color:#fff}.badge.good{background:rgba(66,199,123,.15);border-color:rgba(66,199,123,.45)}.badge.warn{background:rgba(255,209,102,.15);border-color:rgba(255,209,102,.45)}.badge.danger{background:rgba(227,91,91,.15);border-color:rgba(227,91,91,.45)}
.kv{display:grid;grid-template-columns:260px 1fr;border-top:1px solid var(--border)}.kv div{padding:9px 0;border-bottom:1px solid var(--border)}.kv div:nth-child(odd){color:var(--muted)}
.small{font-size:12px;color:var(--muted)}.right{text-align:right}.nowrap{white-space:nowrap}.code{font-family:ui-monospace,Consolas,monospace;background:#0b0c10;padding:2px 5px;border:1px solid var(--border)}
@media(max-width:900px){.shell{display:block}.sidebar{position:relative;width:auto;height:auto}.main{padding:16px}.grid.cols-2,.grid.cols-3,.grid.cols-4,.form-row,.form-row.cols-3{grid-template-columns:1fr}.kv{grid-template-columns:1fr}.topbar h1{font-size:22px}}
.money-field{position:relative}.money-field input{padding-left:30px}.money-field::before{content:'£';position:absolute;left:12px;top:37px;color:var(--muted);font-weight:700}.readonly-calc{background:#101219;border:1px solid var(--border);padding:10px 12px;color:var(--text);min-height:43px;display:flex;align-items:center;font-weight:800}.hint{font-size:12px;color:var(--muted);margin-top:5px}.calc-line{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--border);padding:8px 0}.calc-line:first-child{border-top:0}.calc-line strong{white-space:nowrap}.negative{color:#ffd1d1}.positive{color:#d4ffd4}
.inline-form{display:flex;gap:6px;align-items:center;flex-wrap:wrap;margin:0}.inline-form input{width:auto;min-width:80px}.inline-form button{padding:8px 10px}