:root {
  --bg: #f6f7f9; --card: #ffffff; --ink: #1c2430; --muted: #7a8494;
  --line: #e4e8ee; --accent: #4f46e5; --up: #157347; --down: #c02942;
  --up-bg: #e6f4ec; --down-bg: #fbe9ec;
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 -apple-system, "Segoe UI", Roboto, sans-serif;
       background: var(--bg); color: var(--ink); }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 18px 0 10px; }
h2 { font-size: 15px; margin: 0 0 12px; }
h3 { font-size: 13px; margin: 16px 0 8px; }
.muted { color: var(--muted); font-weight: normal; }

.topbar { display: flex; align-items: center; gap: 18px; padding: 10px 22px;
          background: #10182b; color: #fff; flex-wrap: wrap; }
.topbar .brand { font-weight: 600; }
.topbar nav { display: flex; gap: 4px; flex-wrap: wrap; }
.topbar nav a { color: #c6cede; padding: 6px 11px; border-radius: 7px; }
.topbar nav a:hover { background: #1e2a45; text-decoration: none; }
.topbar nav a.active { background: var(--accent); color: #fff; }
.userbox { margin-left: auto; color: #9aa5bb; font-size: 13px; }
.userbox a { color: #c6cede; }

.periodbar { display: flex; align-items: center; justify-content: space-between;
             padding: 10px 22px; border-bottom: 1px solid var(--line);
             background: var(--card); flex-wrap: wrap; gap: 8px; }
.chip { padding: 5px 12px; border: 1px solid var(--line); border-radius: 7px;
        color: var(--ink); background: var(--card); }
.chip:hover { text-decoration: none; border-color: var(--accent); }
.chip-active { background: var(--accent); color: #fff; border-color: var(--accent); }
.period-picker { display: flex; gap: 6px; }

main { padding: 6px 22px 30px; max-width: 1350px; margin: 0 auto; }

.kpi-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
           gap: 12px; margin: 12px 0; }
.kpi { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
       padding: 14px 16px; }
.kpi-label { font-size: 11px; letter-spacing: .05em; text-transform: uppercase;
             color: var(--muted); margin-bottom: 4px; }
.kpi-value { font-size: 24px; font-weight: 650; margin-bottom: 4px; }
.delta { font-size: 12px; padding: 2px 7px; border-radius: 6px; }
.delta.up { color: var(--up); background: var(--up-bg); }
.delta.down { color: var(--down); background: var(--down-bg); }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px;
        padding: 16px 18px; margin: 14px 0; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 950px) { .two-col { grid-template-columns: 1fr; } }

table.data { width: 100%; border-collapse: collapse; font-size: 13px; }
table.data th { text-align: left; color: var(--muted); font-weight: 600;
                border-bottom: 1px solid var(--line); padding: 7px 8px;
                white-space: nowrap; }
table.data td { padding: 7px 8px; border-bottom: 1px solid var(--line); }
table.data tr:last-child td { border-bottom: none; }
table.data .r, table.data th.r { text-align: right; }
.title-cell { max-width: 420px; overflow: hidden; text-overflow: ellipsis;
              white-space: nowrap; }
.table-scroll { overflow-x: auto; }

footer { padding: 12px 22px 26px; display: flex; gap: 14px; flex-wrap: wrap;
         font-size: 12px; }
.fresh { color: var(--muted); }
.fresh.stale { color: var(--down); font-weight: 600; }

.inline-form { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.inline-form input, .inline-form select { padding: 7px 9px; border: 1px solid var(--line);
  border-radius: 7px; font: inherit; }
button { padding: 7px 14px; border: none; border-radius: 7px; background: var(--accent);
         color: #fff; font: inherit; cursor: pointer; }
button:hover { filter: brightness(1.08); }
button.small { padding: 3px 9px; font-size: 12px; }
.cb { display: flex; gap: 5px; align-items: center; }

/* login */
.login-body { display: flex; align-items: center; justify-content: center;
              min-height: 100vh; background: #10182b; }
.login-card { background: var(--card); border-radius: 14px; padding: 34px 38px;
              width: 340px; text-align: center; }
.login-card h1 { margin: 6px 0 2px; font-size: 20px; }
.login-logo { font-size: 34px; }
.login-card form { text-align: left; margin-top: 18px; }
.login-card label { display: block; font-size: 12px; color: var(--muted);
                    margin-bottom: 12px; }
.login-card input { width: 100%; padding: 9px 10px; margin-top: 4px;
                    border: 1px solid var(--line); border-radius: 7px; font: inherit; }
.login-card button { width: 100%; padding: 10px; margin-top: 4px; }
.login-error { background: var(--down-bg); color: var(--down); border-radius: 7px;
               padding: 8px; font-size: 13px; margin-top: 12px; }

.chart-wrap { position: relative; height: 260px; }
.chart-wrap.tall { height: 300px; }