:root{
  --bg:#f4f6fb; --surface:#ffffff; --ink:#1f2733; --muted:#6b7688;
  --line:#e4e8f0; --brand:#1b5e9c; --brand-d:#134876;
  --green:#1a8a55; --green-bg:#e7f6ee; --red:#c0392b; --red-bg:#fdecea;
  --amber:#b9770e; --amber-bg:#fdf3e2; --shadow:0 1px 3px rgba(20,30,50,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
a{color:var(--brand);text-decoration:none}
.wrap{display:flex;min-height:100vh}

/* Sidebar */
.sidebar{width:220px;background:linear-gradient(180deg,#153f6b,#1b5e9c);color:#eaf1f8;
  display:flex;flex-direction:column;position:sticky;top:0;height:100vh}
.brand{display:flex;gap:8px;align-items:center;font-weight:700;font-size:16px;
  padding:18px 18px;border-bottom:1px solid rgba(255,255,255,.15);line-height:1.15}
.sidebar nav{display:flex;flex-direction:column;padding:10px 0;flex:1;overflow:auto}
.sidebar nav a{color:#d6e2f0;padding:11px 20px;font-weight:500;border-left:3px solid transparent}
.sidebar nav a:hover{background:rgba(255,255,255,.08)}
.sidebar nav a.active{background:rgba(255,255,255,.14);border-left-color:#7fc2ff;color:#fff}
.userbox{padding:14px 18px;border-top:1px solid rgba(255,255,255,.15);font-size:13px}
.userbox .uname{font-weight:600}
.userbox .urole{color:#bcd2ea;margin-bottom:8px}
.userbox .logout{color:#ffd7d0;font-weight:600}

/* Content */
.content{flex:1;padding:26px 32px;max-width:1200px}
.content.full{display:flex;align-items:center;justify-content:center}
.page-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px;gap:12px;flex-wrap:wrap}
.page-head h1{font-size:22px;margin:0}
.actions{display:flex;gap:8px;flex-wrap:wrap}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:24px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:16px 18px;box-shadow:var(--shadow)}
.card-title{color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.03em}
.card-value{font-size:22px;font-weight:700;margin:6px 0 2px}
.card-sub{color:var(--muted);font-size:12.5px}
.card.green .card-value{color:var(--green)}
.card.red .card-value{color:var(--red)}
.card.brand .card-value{color:var(--brand)}

/* Panels & tables */
.panel{background:var(--surface);border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow);margin-bottom:22px;overflow:hidden}
.panel h2{font-size:15px;margin:0;padding:14px 18px;border-bottom:1px solid var(--line);background:#fafbfe}
.panel .pad{padding:16px 18px}
table{width:100%;border-collapse:collapse}
th,td{padding:10px 14px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f7f9fc;color:var(--muted);font-size:12.5px;text-transform:uppercase;letter-spacing:.02em;font-weight:600}
tbody tr:hover{background:#f9fbff}
td.num,th.num{text-align:right;white-space:nowrap;font-variant-numeric:tabular-nums}
.income{color:var(--green);font-weight:600}
.expense{color:var(--red);font-weight:600}
.muted{color:var(--muted)}
.empty{padding:30px;text-align:center;color:var(--muted)}

/* Badges */
.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;font-weight:600}
.badge.green{background:var(--green-bg);color:var(--green)}
.badge.red{background:var(--red-bg);color:var(--red)}
.badge.amber{background:var(--amber-bg);color:var(--amber)}
.badge.gray{background:#eef1f6;color:var(--muted)}

/* Buttons */
.btn{display:inline-block;padding:8px 15px;border-radius:8px;border:1px solid var(--brand);
  background:var(--brand);color:#fff;font-weight:600;cursor:pointer;font-size:13.5px}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:#fff;color:var(--brand)}
.btn.ghost:hover{background:#eef4fb}
.btn.danger{background:var(--red);border-color:var(--red)}
.btn.danger:hover{background:#9c2d21}
.btn.sm{padding:5px 10px;font-size:12.5px}
.linkbtn{background:none;border:none;color:var(--brand);cursor:pointer;font-weight:600;padding:0;font-size:13px}
.linkbtn.danger{color:var(--red)}

/* Forms */
form.stacked{max-width:620px}
.field{margin-bottom:15px}
.field label{display:block;font-weight:600;margin-bottom:5px;font-size:13px}
.field input,.field select,.field textarea{width:100%;padding:9px 11px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;font-family:inherit;background:#fff}
.field input:focus,.field select:focus,.field textarea:focus{outline:2px solid #bcd6f2;border-color:var(--brand)}
.field .hint{color:var(--muted);font-size:12px;margin-top:4px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-actions{display:flex;gap:10px;margin-top:8px}
.inline-form{display:inline}

/* Flash */
.flash{padding:11px 16px;border-radius:8px;margin-bottom:18px;font-weight:500}
.flash.ok{background:var(--green-bg);color:var(--green)}
.flash.err{background:var(--red-bg);color:var(--red)}
.flash.info{background:#e8f0fb;color:var(--brand-d)}

/* Login */
.login-card{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 8px 30px rgba(20,40,80,.12);
  padding:34px 32px;width:390px;max-width:92vw}
.login-card h1{font-size:20px;margin:0 0 4px;text-align:center}
.login-card .sub{color:var(--muted);text-align:center;margin-bottom:22px;font-size:13px}
.login-card .btn{width:100%;text-align:center;padding:11px;font-size:15px}
.code-box{font-family:'Courier New',monospace;font-size:16px;font-weight:700;letter-spacing:.08em}

/* Filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:end;margin-bottom:18px;
  background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:12px 14px}
.filters .field{margin:0}
.filters .field label{font-size:12px;color:var(--muted)}
.filters select,.filters input{padding:7px 9px}

.chart-wrap{padding:16px 18px}
canvas{max-width:100%}
.pill-tabs{display:flex;gap:6px;margin-bottom:16px}
.pill-tabs a{padding:7px 14px;border-radius:20px;background:#eaeef5;color:var(--muted);font-weight:600;font-size:13px}
.pill-tabs a.active{background:var(--brand);color:#fff}

@media(max-width:820px){
  .wrap{flex-direction:column}
  .sidebar{width:100%;height:auto;position:static;flex-direction:row;flex-wrap:wrap}
  .sidebar nav{flex-direction:row;flex-wrap:wrap;flex:1}
  .userbox{border-top:none}
  .content{padding:18px}
  .row2{grid-template-columns:1fr}
}