:root{
  --bg:#f1f5f9; --surface:#ffffff; --text:#0f172a; --muted:#64748b;
  --border:#e2e8f0; --grid:#e5e7eb; --primary:#2563eb; --primary-d:#1d4ed8;
  --pos:#16a34a; --neg:#dc2626; --sidebar:#0f172a; --sidebar-t:#cbd5e1; --sidebar-a:#3b82f6;
}
[data-theme="dark"]{
  --bg:#0b1220; --surface:#111827; --text:#e5e7eb; --muted:#94a3b8;
  --border:#1f2937; --grid:#1f2937; --sidebar:#0a0f1a; --sidebar-t:#94a3b8;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',system-ui,Arial,sans-serif;background:var(--bg);color:var(--text)}
a{color:inherit;text-decoration:none}

/* ---- Layout ---- */
.app{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--sidebar);color:var(--sidebar-t);display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{font-size:18px;font-weight:700;color:#fff;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand span{font-size:14px}
.sidebar nav{display:flex;flex-direction:column;padding:12px 8px;gap:2px;flex:1}
.sidebar nav a{padding:10px 14px;border-radius:8px;color:var(--sidebar-t);font-size:14px}
.sidebar nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.sidebar nav a.active{background:var(--sidebar-a);color:#fff}
.sidebar nav a.sub{font-size:13px;padding-left:26px;color:#94a3b8}
.side-foot{padding:14px}
.theme-toggle{width:100%;background:transparent;border:1px solid rgba(255,255,255,.15);color:var(--sidebar-t);padding:8px;border-radius:8px;cursor:pointer}

.main{flex:1;display:flex;flex-direction:column;min-width:0}
.topbar{display:flex;justify-content:space-between;align-items:center;padding:16px 24px;background:var(--surface);border-bottom:1px solid var(--border)}
.topbar h1{font-size:20px;margin:0}
.user-box{display:flex;align-items:center;gap:12px;font-size:14px}
.role{font-style:normal;font-size:11px;background:var(--bg);color:var(--muted);padding:2px 8px;border-radius:20px;text-transform:uppercase;letter-spacing:.04em}
.content{padding:24px;max-width:1200px;width:100%}

/* ---- Cards ---- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 20px;margin-bottom:20px;box-shadow:0 1px 2px rgba(0,0,0,.03)}
.card h3{margin:0 0 14px;font-size:15px}
.card.narrow{max-width:480px}
.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat .stat-label{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}
.stat .stat-value{font-size:24px;font-weight:700;margin:6px 0}
.stat.income{border-top:3px solid var(--pos)}
.stat.expense{border-top:3px solid var(--neg)}
.stat.net{border-top:3px solid var(--primary)}
.stat.count{border-top:3px solid #f59e0b}
.delta{font-size:12px;font-weight:600}
.delta.up{color:var(--pos)} .delta.down{color:var(--neg)}
.muted{color:var(--muted);font-size:13px}
.pos{color:var(--pos)} .neg{color:var(--neg)}

/* ---- Tables ---- */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th,.tbl td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--border)}
.tbl th{color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.tbl .r,.r{text-align:right}
.pill{font-size:11px;padding:2px 9px;border-radius:20px;text-transform:capitalize;background:var(--bg);color:var(--muted)}
.pill.income{background:rgba(22,163,74,.12);color:var(--pos)}
.pill.expense{background:rgba(220,38,38,.12);color:var(--neg)}

/* ---- Forms ---- */
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}
input,select{width:100%;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font-size:14px}
.form-actions{display:flex;gap:10px;margin-top:18px}
.btn-primary{background:var(--primary);color:#fff;border:none;padding:9px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600}
.btn-primary:hover{background:var(--primary-d)}
.btn-primary.danger{background:var(--neg)}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text);padding:7px 12px;border-radius:8px;cursor:pointer;font-size:13px}
.btn-ghost.danger{color:var(--neg);border-color:transparent}
.date-bar,.filter-bar,.totbar{display:flex;align-items:center;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.date-bar input,.filter-bar input,.filter-bar select{width:auto}
.filter-bar .spacer{flex:1}
.totbar{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:12px 16px;font-size:14px;gap:22px}

/* ---- Admin ---- */
.ledger{list-style:none;padding:0;margin:0 0 12px}
.ledger.cols{column-count:2}
.ledger li{display:flex;justify-content:space-between;align-items:center;padding:6px 0;border-bottom:1px dashed var(--border);font-size:14px}
.ledger li.off{opacity:.45}
.ledger form{margin:0}
.inline-add{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-add input,.inline-add select{width:auto;flex:1;min-width:120px}
.inline-add.wrap{margin-top:14px;border-top:1px solid var(--border);padding-top:14px}
.row-actions{display:flex;gap:8px;align-items:center}
.row-actions form{display:flex;gap:6px;margin:0}
.row-actions input{width:110px}

/* ---- Alerts ---- */
.alert{padding:10px 14px;border-radius:8px;font-size:14px;margin-bottom:14px}
.alert.error{background:rgba(220,38,38,.1);color:var(--neg)}
.alert.ok{background:rgba(22,163,74,.12);color:var(--pos)}
.row-between{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}
.report-box{background:var(--bg);border-radius:10px;padding:18px}

/* ---- Attachments ---- */
.att-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:14px}
.att{border:1px solid var(--border);border-radius:10px;padding:8px;background:var(--surface)}
.att img{width:100%;height:120px;object-fit:cover;border-radius:6px;display:block;background:var(--bg)}
.att-doc{display:flex;align-items:center;justify-content:center;height:120px;border-radius:6px;background:var(--bg);font-size:14px;font-weight:600}
.att-name{font-size:12px;margin-top:6px;word-break:break-word}
.att form{margin-top:6px}
small.muted{display:block;margin-top:4px}

/* ---- Login ---- */
.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e293b)}
.login-card{background:#fff;color:#0f172a;padding:34px 30px;border-radius:16px;width:340px;box-shadow:0 20px 50px rgba(0,0,0,.3);text-align:center}
.login-brand{font-size:20px;font-weight:700}
.login-sub{color:#64748b;font-size:13px;margin:4px 0 18px}
.login-card label{text-align:left}
.login-card .btn-primary{width:100%;margin-top:20px;padding:11px}

@media(max-width:900px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .sidebar{width:64px}
  .brand span,.sidebar nav a span{display:none}
}