:root{
  --bg:#f4f6fb; --panel:#fff; --ink:#1a2233; --muted:#6b7488; --line:#e3e8f2;
  --primary:#2563eb; --primary-d:#1d4ed8; --green:#15a05a; --red:#dc2626; --amber:#d97706;
  --shadow:0 1px 3px rgba(20,30,60,.08),0 1px 2px rgba(20,30,60,.06);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);font-size:14px}
.hidden{display:none!important}
.muted{color:var(--muted)}
.err{color:var(--red);margin-top:8px;font-size:13px}
a{color:var(--primary);text-decoration:none}

/* layout */
#app{display:flex;min-height:100vh}
.sidebar{width:230px;background:#0f1b33;color:#cbd5e1;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{font-size:18px;font-weight:700;padding:20px 18px;color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
#nav{flex:1;padding:10px 0;overflow:auto}
#nav a{display:block;padding:11px 18px;color:#cbd5e1;font-weight:500;border-left:3px solid transparent}
#nav a:hover{background:rgba(255,255,255,.05);color:#fff}
#nav a.active{background:rgba(37,99,235,.18);border-left-color:var(--primary);color:#fff}
.sidebar-foot{padding:14px 18px;border-top:1px solid rgba(255,255,255,.08);font-size:12px}
.sidebar-foot .muted{color:#94a3b8;margin-bottom:8px}
.main{flex:1;padding:24px 28px;overflow:auto;max-width:1500px}

/* header */
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px;flex-wrap:wrap;gap:12px}
.page-head h2{margin:0;font-size:22px}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center}

/* buttons */
.btn{cursor:pointer;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;font-size:13px;font-weight:600}
.btn:hover{background:#f1f4fa}
.btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-d)}
.btn.ghost{background:transparent;border-color:rgba(255,255,255,.25);color:#cbd5e1}
.btn.ghost:hover{background:rgba(255,255,255,.08);color:#fff}
.btn.danger{background:var(--red);border-color:var(--red);color:#fff}
.btn.sm{padding:5px 10px;font-size:12px}
.btn:disabled{opacity:.5;cursor:not-allowed}

/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;margin-bottom:22px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:16px;box-shadow:var(--shadow)}
.card h4{margin:0 0 10px;font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.4px}
.kpi{display:flex;justify-content:space-between;align-items:baseline;padding:5px 0;border-bottom:1px dashed var(--line)}
.kpi:last-child{border:0}
.kpi .v{font-weight:700;font-size:16px}
.section-title{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.5px;margin:24px 0 10px}

/* panel + table */
.panel{background:var(--panel);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f7f9fd;color:var(--muted);font-weight:600;cursor:pointer;user-select:none}
tbody tr:hover{background:#f7f9fd}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.pos{color:var(--red);font-weight:600}
.neg{color:var(--green);font-weight:600}
.zero{color:var(--muted)}
.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:700}
.tag.active{background:#dcfce7;color:#15803d}
.tag.inactive{background:#fee2e2;color:#b91c1c}
.tag.paid{background:#dcfce7;color:#15803d}
.tag.partial{background:#fef3c7;color:#b45309}
.tag.unpaid{background:#fee2e2;color:#b91c1c}

/* forms */
label{display:block;margin-bottom:12px;font-size:13px;font-weight:600}
input,select,textarea{width:100%;margin-top:5px;padding:9px 11px;border:1px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit;font-weight:400}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary)}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row > label{flex:1;min-width:160px}
.search{max-width:280px}

/* modal */
.modal{position:fixed;inset:0;background:rgba(15,27,51,.5);display:flex;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal-card{background:#fff;border-radius:14px;padding:24px;max-width:680px;width:100%;max-height:90vh;overflow:auto;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.modal-card h3{margin:0 0 16px}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}

/* login */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#1e3a8a,#2563eb)}
.login-card{background:#fff;padding:36px;border-radius:16px;width:340px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card h1{margin:0 0 4px;font-size:22px}
.login-card .muted{margin:0 0 20px}

/* toast */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#0f1b33;color:#fff;padding:12px 22px;border-radius:10px;z-index:99;box-shadow:0 8px 24px rgba(0,0,0,.3)}
.toast.err{background:var(--red)}

.ledger-line{font-size:13px}
.pill{font-size:11px;padding:2px 8px;border-radius:6px;background:#eef2fb;color:#475569;font-weight:600}
.muted-box{background:#f7f9fd;border:1px dashed var(--line);border-radius:10px;padding:14px;margin-bottom:14px}
pre.note{white-space:pre-wrap;font-family:inherit;background:#f7f9fd;border:1px solid var(--line);border-radius:10px;padding:16px;font-size:13px;line-height:1.6}
/* Fire risk widget */
.fire-chip{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;border-radius:10px;padding:7px 12px;font-size:13px;font-weight:600;cursor:pointer;box-shadow:var(--shadow)}
.fire-chip:hover{background:#f7f9fd}
.fire-dot{width:11px;height:11px;border-radius:50%;display:inline-block;flex:none}
.fire-dot.green{background:#16a34a}.fire-dot.blue{background:#2563eb}.fire-dot.yellow{background:#eab308}.fire-dot.orange{background:#f97316}.fire-dot.red{background:#dc2626}
.fire-bar{margin-bottom:16px}
.fire-corner{position:fixed;right:18px;bottom:18px;z-index:40}
.fire-pop{position:relative;display:inline-block}
.fire-pop-body{position:absolute;z-index:60;top:calc(100% + 8px);left:0;width:300px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(15,27,51,.22);padding:14px;font-weight:400;font-size:13px;line-height:1.5}
.fire-corner .fire-pop-body{top:auto;bottom:calc(100% + 8px);right:0;left:auto}
.fire-pop-body h5{margin:0 0 6px;font-size:14px}
.fire-pop-body .lbl{font-weight:700}
.fire-pop-body .row2{margin:8px 0 0;color:var(--muted)}
.fire-stale{color:var(--amber);font-size:11px;margin-top:6px}
.fire-est{color:#7c3aed;font-size:11px;margin-top:6px}
@media(max-width:820px){.sidebar{width:64px}.brand{font-size:0;padding:18px 8px}.brand:before{content:"🏘️";font-size:22px}#nav a{font-size:0;text-align:center;padding:14px 0}#nav a:before{font-size:18px}.sidebar-foot{display:none}}