:root{
  --bg:#f6f7f9; --card:#ffffff; --ink:#1f2733; --muted:#6b7685; --line:#e6e9ee;
  --brand:#2f6df6; --brand-d:#2557d6;
  --green:#16a34a; --green-bg:#e8f6ee; --yellow:#b7791f; --yellow-bg:#fdf6e3;
  --red:#dc2626; --red-bg:#fdeaea; --neutral:#64748b; --neutral-bg:#eef1f5;
  --radius:12px; --shadow:0 1px 3px rgba(16,24,40,.06),0 1px 2px rgba(16,24,40,.04);
}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  background:var(--bg);color:var(--ink);font-size:14px;line-height:1.5}
.hidden{display:none!important}
.muted{color:var(--muted)}
a{cursor:pointer;text-decoration:none;color:inherit}
h1,h2,h3{margin:0}

/* LOGIN */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{background:var(--card);padding:36px;border-radius:16px;box-shadow:var(--shadow);
  width:100%;max-width:360px;border:1px solid var(--line)}
.login-card .logo-img{display:block;height:auto;width:auto;max-height:96px;max-width:80%;margin:0 auto 14px;object-fit:contain}
.login-card h1{font-size:24px;font-weight:700;margin-bottom:4px}
.login-card h1 span{color:var(--brand)}
.login-card label{display:block;margin:16px 0 0;font-weight:600;font-size:13px}
.login-card input{width:100%;margin-top:6px;padding:10px 12px;border:1px solid var(--line);
  border-radius:10px;font-size:14px}
.login-card .btn{width:100%;margin-top:20px}
.hint{margin-top:14px;text-align:center;font-size:12px}
.error{color:var(--red);font-size:13px;margin-top:10px;min-height:18px}

/* LAYOUT */
.app{display:grid;grid-template-columns:230px 1fr;min-height:100vh}
.sidebar{background:var(--card);border-right:1px solid var(--line);padding:22px 16px;
  display:flex;flex-direction:column;gap:6px;position:sticky;top:0;height:100vh}
.brand{font-size:20px;font-weight:700;padding:6px 8px 18px;display:flex;align-items:center;gap:8px}
.brand-logo{height:26px;width:auto;border-radius:6px}
.brand span{color:var(--brand)}
.sidebar nav{display:flex;flex-direction:column;gap:2px;flex:1}
.sidebar nav a{padding:10px 12px;border-radius:9px;color:var(--muted);font-weight:600}
.sidebar nav a:hover{background:var(--bg);color:var(--ink)}
.sidebar nav a.active{background:#eaf1ff;color:var(--brand)}
main{padding:28px 32px;overflow:auto}

/* HEADER */
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:12px}
.page-head h2{font-size:22px;font-weight:700}
.page-head p{margin:2px 0 0;color:var(--muted)}

/* BUTTONS */
.btn{border:1px solid var(--line);background:var(--card);padding:9px 16px;border-radius:10px;
  font-weight:600;font-size:13px;cursor:pointer;color:var(--ink);transition:.12s}
.btn:hover{background:var(--bg)}
.btn.primary{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.primary:hover{background:var(--brand-d)}
.btn.ghost{color:var(--muted)}
.btn.danger{color:var(--red);border-color:#f2c6c6}
.btn.sm{padding:6px 10px;font-size:12px}

/* CARDS / GRID */
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:14px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}
.stat .label{color:var(--muted);font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:.03em}
.stat .value{font-size:26px;font-weight:700;margin-top:6px}

/* TABLE */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden}
table{width:100%;border-collapse:collapse;font-size:13px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:#fafbfc;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:700}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:#fafbfd}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}

/* BADGES */
.badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700}
.badge.success{background:var(--green-bg);color:var(--green)}
.badge.warning{background:var(--yellow-bg);color:var(--yellow)}
.badge.danger{background:var(--red-bg);color:var(--red)}
.badge.neutral{background:var(--neutral-bg);color:var(--neutral)}
.trend.up{color:var(--green)} .trend.down{color:var(--red)} .trend.flat{color:var(--muted)}

/* FORMS */
.field{display:flex;flex-direction:column;gap:5px;margin-bottom:14px}
.field label{font-weight:600;font-size:13px}
.field input,.field select{padding:9px 11px;border:1px solid var(--line);border-radius:9px;font-size:14px;background:#fff}
.row{display:flex;gap:14px;flex-wrap:wrap}
.row>*{flex:1;min-width:180px}
input.cell{width:100%;padding:6px 8px;border:1px solid var(--line);border-radius:7px;font-size:13px;text-align:right}

/* MODAL */
.modal{position:fixed;inset:0;background:rgba(16,24,40,.45);display:grid;place-items:center;padding:20px;z-index:50}
.modal-card{background:var(--card);border-radius:14px;max-width:680px;width:100%;padding:24px;max-height:90vh;overflow:auto}
.trend-filter{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.trend-filter select,.trend-filter input{padding:8px 10px;border:1px solid var(--line);border-radius:9px;font-size:13px;background:#fff}
.trend-filter select{min-width:200px}
.modal-card h3{font-size:18px;margin-bottom:16px}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px}

/* TOAST */
.toast{position:fixed;bottom:24px;right:24px;background:var(--ink);color:#fff;padding:12px 18px;
  border-radius:10px;font-weight:600;font-size:13px;z-index:60;box-shadow:var(--shadow)}
.toast.err{background:var(--red)}

.empty{padding:48px;text-align:center;color:var(--muted)}
.section-title{font-weight:700;margin:24px 0 12px;font-size:15px}
.totalbar{display:flex;align-items:center;justify-content:space-between;background:#f3f7ff;
  border:1px solid #d8e4ff;border-radius:12px;padding:16px 20px;margin-top:18px}
.totalbar .big{font-size:30px;font-weight:800;color:var(--brand)}