:root {
  color: #142033;
  background: #f3f6f8;
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  line-height: 1.5;
}

* { box-sizing: border-box; }

body { margin: 0; }

.site-header {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: center;
  padding: 1rem 1.5rem;
  background: #10243f;
  color: #fff;
}

.brand a { color: #fff; font-size: 1.25rem; font-weight: 650; text-decoration: none; }
.company { margin: 0; color: #c5d4e8; font-size: 0.75rem; letter-spacing: 0.04em; text-transform: uppercase; }

.site-nav { display: flex; flex-wrap: wrap; gap: 0.75rem 1rem; }
.site-nav a { color: #d7e6f7; text-decoration: none; }
.site-nav a:hover { color: #fff; }

.account { margin-left: auto; display: flex; gap: 0.75rem; align-items: center; }
.account form { margin: 0; }
.account button, button, input[type="submit"] {
  background: #1f6f8b;
  color: #fff;
  border: 0;
  border-radius: 4px;
  padding: 0.45rem 0.8rem;
  cursor: pointer;
}

.site-main { padding: 1.5rem; max-width: 1100px; margin: 0 auto; }

.panel { background: #fff; border: 1px solid #d5dee6; border-radius: 8px; padding: 1.25rem; }
.panel.narrow { max-width: 28rem; margin: 2rem auto; }
.lede { color: #4d5d70; }

.stack { display: grid; gap: 0.9rem; }
label { display: grid; gap: 0.3rem; font-weight: 600; }
input[type="email"], input[type="password"] {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid #b7c4d1;
  border-radius: 4px;
}

.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 0.75rem; }
.stats article { background: #f7fafc; border: 1px solid #e1e8ee; border-radius: 6px; padding: 0.8rem; }
.stats p { margin: 0; font-size: 1.8rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid #e4ebf1; vertical-align: top; }
th { color: #3d5166; font-size: 0.85rem; }

.flash { padding: 0.7rem 0.8rem; border-radius: 4px; }
.flash-alert { background: #fde8e6; color: #7a2218; }
.flash-notice { background: #e5f6ea; color: #135c2b; }
.note { color: #6a4b16; }

pre { overflow: auto; background: #f7fafc; padding: 0.8rem; border-radius: 6px; }

@media (max-width: 720px) {
  .account { margin-left: 0; width: 100%; }
  table { display: block; overflow-x: auto; }
}