:root {
  --bg: #eef2f7;
  --panel: #ffffff;
  --panel-soft: #f8fafc;
  --text: #111827;
  --muted: #64748b;
  --border: #e2e8f0;
  --primary: #111827;
  --primary-soft: #e5e7eb;
  --accent: #16a34a;
  --danger: #b91c1c;
  --shadow: 0 18px 45px rgba(15, 23, 42, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: radial-gradient(circle at top left, #f8fafc 0, var(--bg) 42%, #e5e7eb 100%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}
a { color: inherit; text-decoration: none; }

.shell { min-height: 100vh; display: flex; }
.sidebar {
  width: 280px;
  background: #0f172a;
  color: #fff;
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 32px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; align-items: center; gap: 14px; }
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #22c55e, #0ea5e9);
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.06em;
}
.brand-title { font-weight: 800; letter-spacing: 0.04em; }
.brand-subtitle { color: #94a3b8; font-size: 13px; margin-top: 2px; }
.nav { display: grid; gap: 8px; }
.nav-link {
  padding: 12px 14px;
  border-radius: 14px;
  color: #cbd5e1;
}
.nav-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.tenant-box {
  margin-top: auto;
  padding: 16px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  background: rgba(255,255,255,0.06);
}
.tenant-box span { display: block; color: #94a3b8; font-size: 12px; margin-bottom: 6px; }
.tenant-box strong { font-size: 14px; overflow-wrap: anywhere; }

.main { flex: 1; padding: 32px; max-width: 1500px; margin: 0 auto; width: 100%; }
.topbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 28px; gap: 20px; }
.topbar h1 { margin: 0; font-size: 30px; letter-spacing: -0.04em; }
.topbar p { margin: 6px 0 0; color: var(--muted); }

.grid { display: grid; gap: 18px; }
.cards { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 18px; }
.dashboard-grid { grid-template-columns: 1.3fr 0.7fr; margin-bottom: 18px; }
.card {
  background: rgba(255,255,255,0.9);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 22px;
  backdrop-filter: blur(12px);
}
.stat-card span { color: var(--muted); font-size: 13px; display: block; }
.stat-card strong { font-size: 28px; display: block; margin-top: 10px; letter-spacing: -0.04em; }
.section-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 16px; margin-bottom: 18px; }
.section-head h2 { margin: 0; font-size: 20px; letter-spacing: -0.03em; }
.section-head p { margin: 6px 0 0; color: var(--muted); }
.split { align-items: center; }

.button {
  border: 0;
  border-radius: 12px;
  padding: 10px 14px;
  cursor: pointer;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.button.primary { background: var(--primary); color: #fff; }
.button.secondary { background: var(--primary-soft); color: var(--primary); }
.button.ghost { background: #fff; border: 1px solid var(--border); color: var(--text); }
.button:hover { transform: translateY(-1px); }

.filter-bar { display: grid; grid-template-columns: 1.5fr 0.8fr auto auto; gap: 12px; align-items: center; margin-bottom: 18px; }
input {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 13px;
  padding: 12px 13px;
  font: inherit;
  background: #fff;
}
label { display: grid; gap: 7px; font-weight: 700; font-size: 14px; }
.check { display: flex; align-items: center; gap: 8px; color: var(--muted); white-space: nowrap; }
.check input { width: auto; }

.table-wrap { overflow: auto; border: 1px solid var(--border); border-radius: 18px; }
table { width: 100%; border-collapse: collapse; min-width: 900px; background: #fff; }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; font-size: 14px; }
th { color: #334155; background: var(--panel-soft); position: sticky; top: 0; z-index: 1; }
td { color: #1f2937; }
tr:hover td { background: #f8fafc; }
.table-note { color: var(--muted); font-size: 13px; margin: 12px 0 0; }

.meta-list { display: grid; grid-template-columns: 130px 1fr; gap: 12px; }
.meta-list dt { color: var(--muted); }
.meta-list dd { margin: 0; overflow-wrap: anywhere; font-weight: 700; }

.download-list { display: grid; gap: 12px; }
.download-item {
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 16px;
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: center;
  background: #fff;
}
.download-item h3 { margin: 8px 0 4px; font-size: 16px; }
.download-item p { margin: 0; color: var(--muted); font-size: 13px; overflow-wrap: anywhere; }
.download-meta { display: flex; align-items: center; gap: 14px; color: var(--muted); font-size: 13px; white-space: nowrap; }
.badge { display: inline-flex; padding: 4px 9px; border-radius: 999px; background: #dcfce7; color: #166534; font-size: 12px; font-weight: 800; }

.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; width: 100%; }
.login-card { width: min(430px, 100%); background: #fff; border: 1px solid var(--border); border-radius: 28px; padding: 30px; box-shadow: var(--shadow); }
.login-card h1 { margin: 28px 0 8px; font-size: 30px; letter-spacing: -0.05em; }
.login-brand .brand-subtitle { color: var(--muted); }
.muted { color: var(--muted); }
.form-stack { display: grid; gap: 16px; margin-top: 22px; }
.alert { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; padding: 13px 15px; border-radius: 14px; margin: 16px 0; }
.empty { padding: 28px; text-align: center; color: var(--muted); background: var(--panel-soft); border-radius: 18px; border: 1px dashed var(--border); }
.align-left { text-align: left; }

@media (max-width: 1050px) {
  .shell { display: block; }
  .sidebar { width: auto; height: auto; position: static; border-radius: 0 0 24px 24px; }
  .cards, .dashboard-grid { grid-template-columns: 1fr 1fr; }
  .filter-bar { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .main { padding: 18px; }
  .cards, .dashboard-grid { grid-template-columns: 1fr; }
  .topbar, .download-item, .download-meta { align-items: stretch; flex-direction: column; }
  .download-meta { gap: 8px; }
}