:root {
  --bg: #0b0d12;
  --bg2: #0f1218;
  --card: #151926;
  --card2: #1b2030;
  --fg: #eef1f6;
  --muted: #8b93a7;
  --border: #232838;
  --accent: #6366f1;
  --accent2: #8b5cf6;
  --ok: #22c55e;
  --warn: #f59e0b;
  --err: #ef4444;
  --radius: 16px;
  --shadow: 0 8px 30px rgba(0,0,0,.35);
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1a1f33 0%, var(--bg) 55%);
  color: var(--fg);
  line-height: 1.55;
  min-height: 100vh;
}
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent2); }

/* nav */
.nav {
  position: sticky; top: 0; z-index: 20;
  display: flex; gap: 6px; align-items: center; flex-wrap: wrap;
  padding: 12px 22px;
  background: rgba(14,17,24,.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav .brand { font-weight: 800; margin-right: 14px; letter-spacing: .2px; }
.nav a { color: var(--muted); padding: 7px 12px; border-radius: 10px; font-size: 14px; font-weight: 500; }
.nav a:hover { color: var(--fg); background: var(--card2); }
.nav .spacer { margin-left: auto; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 26px 22px 60px; }
h1 { font-size: 24px; font-weight: 750; margin: 4px 0 18px; }
h2 { font-size: 16px; font-weight: 650; margin: 0 0 12px; }

/* cards */
.card {
  background: linear-gradient(180deg, var(--card) 0%, var(--bg2) 140%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}

/* KPI grid */
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px,1fr)); gap: 14px; }
.kpi {
  background: linear-gradient(180deg, var(--card) 0%, var(--card2) 130%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: var(--shadow);
}
.kpi .v { font-size: 30px; font-weight: 800; letter-spacing: -.5px; }
.kpi .l { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.kpi.accent { background: linear-gradient(135deg, var(--accent) 0%, var(--accent2) 100%); border: none; }
.kpi.accent .l { color: rgba(255,255,255,.85); }

/* segmented period control */
.seg { display: inline-flex; background: var(--card2); border: 1px solid var(--border); border-radius: 12px; padding: 3px; gap: 2px; }
.seg button {
  border: none; background: transparent; color: var(--muted);
  padding: 7px 14px; border-radius: 9px; cursor: pointer; font: inherit; font-size: 13px; font-weight: 600;
}
.seg button.active { background: var(--accent); color: #fff; }

/* tables */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { color: var(--muted); font-weight: 600; font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; }
tr:hover td { background: rgba(255,255,255,.02); }

/* forms */
input, textarea, select {
  width: 100%; padding: 11px 13px; background: #0e1118; color: var(--fg);
  border: 1px solid var(--border); border-radius: 11px; font: inherit; outline: none;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
textarea { min-height: 90px; resize: vertical; }
/* современный селект: убираем нативную стрелку, рисуем свою */
select {
  appearance: none; -webkit-appearance: none; -moz-appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%238b93a7' stroke-width='2.5'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat; background-position: right 12px center; padding-right: 38px; cursor: pointer;
}
select option { background: #0e1118; color: var(--fg); }

/* сегментные ссылки-пилюли */
.seg a {
  color: var(--muted); padding: 7px 14px; border-radius: 9px; font-size: 13px; font-weight: 600;
}
.seg a:hover { color: var(--fg); }
.seg a.active { background: var(--accent); color: #fff; }

/* бейдж изменения % */
.delta { font-size: 12px; font-weight: 700; margin-top: 4px; display: inline-block; }
.delta.up { color: var(--ok); }
.delta.down { color: var(--err); }
.delta.flat { color: var(--muted); }
.kpi.accent .delta.up, .kpi.accent .delta.down, .kpi.accent .delta.flat { color: rgba(255,255,255,.9); }
label { display: block; margin: 10px 0 5px; color: var(--muted); font-size: 13px; }

.btn {
  display: inline-block; background: linear-gradient(135deg, var(--accent), var(--accent2));
  color: #fff; border: none; border-radius: 11px; padding: 11px 18px; font: inherit; font-weight: 600;
  cursor: pointer; transition: transform .05s ease;
}
.btn:hover { filter: brightness(1.07); }
.btn:active { transform: translateY(1px); }
.btn.sec { background: var(--card2); border: 1px solid var(--border); color: var(--fg); }
.btn.danger { background: var(--err); }
.btn.small { padding: 6px 12px; font-size: 13px; border-radius: 9px; }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.formline { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.formline > div { flex: 1; min-width: 140px; }

.badge { padding: 3px 10px; border-radius: 999px; font-size: 12px; background: var(--card2); border: 1px solid var(--border); }
.badge.ok { background: rgba(34,197,94,.16); color: var(--ok); border-color: transparent; }
.badge.warn { background: rgba(245,158,11,.16); color: var(--warn); border-color: transparent; }
.badge.err { background: rgba(239,68,68,.16); color: var(--err); border-color: transparent; }
.muted { color: var(--muted); }
.center { max-width: 400px; margin: 9vh auto; }
.q-item { border: 1px solid var(--border); border-radius: 12px; padding: 14px; margin-bottom: 12px; background: var(--bg2); }
canvas { max-width: 100%; }