:root {
  --bg: #f5f7fb;
  --panel: #ffffff;
  --text: #111827;
  --muted: #64748b;
  --border: #e2e8f0;
  --green: #16a34a;
  --green-soft: #dcfce7;
  --red: #dc2626;
  --red-soft: #fee2e2;
  --orange: #f59e0b;
  --orange-soft: #fef3c7;
  --gray-soft: #f1f5f9;
  --shadow: 0 18px 40px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--bg);
}
a { color: inherit; }
button, input, select { font: inherit; }

.app-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 280px;
  background: linear-gradient(180deg, #0f172a 0%, #111827 100%);
  color: #fff;
  padding: 24px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; gap: 12px; align-items: center; margin-bottom: 34px; }
.brand-icon {
  width: 38px; height: 38px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(34, 197, 94, 0.15);
  color: #4ade80; font-size: 24px; font-weight: 800;
}
.brand strong { display: block; font-size: 21px; }
.brand span { display: block; color: #94a3b8; font-size: 13px; margin-top: 2px; }
.nav { display: grid; gap: 8px; }
.nav a {
  text-decoration: none; color: #cbd5e1; padding: 13px 14px; border-radius: 12px;
}
.nav a.active, .nav a:hover { background: rgba(255,255,255,0.09); color: #fff; }
.system-card {
  position: absolute; left: 24px; right: 24px; bottom: 24px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px; padding: 18px; background: rgba(255,255,255,0.04);
}
.system-card .dot { display: inline-block; width: 10px; height: 10px; border-radius: 999px; background: #22c55e; margin-right: 8px; }
.system-card p { color: #cbd5e1; font-size: 13px; line-height: 1.5; margin: 12px 0; }
.system-card button, .hero-actions button {
  width: 100%; border: 1px solid rgba(255,255,255,0.18); background: rgba(255,255,255,0.08);
  color: #fff; border-radius: 11px; padding: 11px 12px; cursor: pointer;
}
.main { flex: 1; padding: 36px; min-width: 0; }
.hero { display: flex; justify-content: space-between; gap: 20px; align-items: flex-start; margin-bottom: 24px; }
.eyebrow { color: var(--green); font-weight: 700; margin: 0 0 6px; }
h1 { margin: 0; font-size: clamp(34px, 4vw, 52px); letter-spacing: -0.04em; }
.hero p { color: var(--muted); margin: 8px 0 0; }
.last-updated { display: inline-flex; background: #fff; border: 1px solid var(--border); border-radius: 999px; padding: 10px 14px; color: var(--muted); font-size: 14px; }
.stats { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-card { background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 18px; box-shadow: var(--shadow); }
.stat-card span, .stat-card small { color: var(--muted); display: block; }
.stat-card strong { display: block; font-size: 34px; margin: 8px 0 3px; }
.stat-card.danger strong { color: var(--red); }
.stat-card.success strong { color: var(--green); }
.stat-card.warning strong { color: var(--orange); }
.stat-card.muted strong { color: #64748b; }
.toolbar {
  display: grid; grid-template-columns: 1fr 210px 210px; gap: 16px;
  background: var(--panel); border: 1px solid var(--border); border-radius: 18px; padding: 18px; box-shadow: var(--shadow); margin-bottom: 20px;
}
label span { display: block; color: var(--muted); font-size: 12px; margin-bottom: 6px; }
input, select {
  width: 100%; border: 1px solid var(--border); background: #fff; border-radius: 12px; padding: 13px 14px; outline: none;
}
input:focus, select:focus { border-color: #22c55e; box-shadow: 0 0 0 4px rgba(34,197,94,0.12); }
.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) 310px; gap: 20px; }
.table-card, .panel-card { background: var(--panel); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.table-header { display: flex; justify-content: space-between; padding: 18px 20px; border-bottom: 1px solid var(--border); }
h2, h3 { margin: 0; }
.table-header p { margin: 4px 0 0; color: var(--muted); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 1050px; }
th, td { text-align: left; padding: 14px 16px; border-bottom: 1px solid var(--border); vertical-align: middle; font-size: 14px; }
th { color: #475569; font-size: 12px; background: #f8fafc; text-transform: uppercase; letter-spacing: 0.03em; }
.product-name { font-weight: 700; }
.product-name small { display: block; color: var(--muted); font-weight: 400; margin-top: 4px; }
.price-main { font-weight: 700; white-space: nowrap; }
.diff-pos { color: var(--red); font-weight: 800; }
.diff-neg { color: var(--green); font-weight: 800; }
.diff-zero { color: var(--muted); font-weight: 700; }
.badge { display: inline-flex; align-items: center; border-radius: 999px; padding: 7px 10px; font-size: 12px; font-weight: 800; white-space: nowrap; }
.badge.FOR_DYR { color: var(--red); background: var(--red-soft); }
.badge.FOR_BILLIG { color: #b45309; background: var(--orange-soft); }
.badge.OK { color: var(--green); background: var(--green-soft); }
.badge.FEJL { color: #475569; background: var(--gray-soft); }
.competitors { display: grid; gap: 5px; }
.competitors a { color: #2563eb; text-decoration: none; font-weight: 600; }
.competitors small { color: var(--muted); }
.loading, .empty { color: var(--muted); text-align: center; padding: 28px; }
.side-panel { display: grid; gap: 16px; align-content: start; }
.panel-card { padding: 18px; }
.quick-filter {
  width: 100%; display: block; text-align: left; border: 0; background: transparent; border-bottom: 1px solid var(--border); padding: 13px 0; cursor: pointer;
}
.quick-filter:last-child { border-bottom: 0; }
.quick-filter.danger { color: var(--red); font-weight: 700; }
.quick-filter.warning { color: #b45309; font-weight: 700; }
.quick-filter.muted { color: #64748b; font-weight: 700; }
.latest-list { display: grid; gap: 12px; margin-top: 14px; }
.latest-item { border-left: 4px solid var(--border); padding-left: 12px; }
.latest-item strong { display: block; font-size: 13px; }
.latest-item span { color: var(--muted); font-size: 12px; }
.latest-item.FOR_DYR { border-color: var(--red); }
.latest-item.OK { border-color: var(--green); }
.latest-item.FOR_BILLIG { border-color: var(--orange); }

@media (max-width: 1150px) {
  .sidebar { display: none; }
  .main { padding: 22px; }
  .stats { grid-template-columns: repeat(2, minmax(130px, 1fr)); }
  .toolbar, .content-grid { grid-template-columns: 1fr; }
}