:root {
  --navy: #1b365d;
  --navy-dark: #12243f;
  --teal: #1a9b8e;
  --teal-dark: #147c72;
  --paper: #f4f6f8;
  --card: #ffffff;
  --ink: #1c2330;
  --muted: #5c6778;
  --line: #d5dde6;
  --danger: #b42318;
  --ok: #067647;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  line-height: 1.45;
}

a { color: var(--navy); }
.wrap { max-width: 960px; margin: 0 auto; padding: 1.5rem; }

.site-header, .site-footer {
  background: var(--navy);
  color: #fff;
}
.site-header .wrap, .site-footer .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.brand {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.brand span { color: var(--teal); }
.user { color: #c9d4e3; font-size: 0.9rem; }
.site-footer { font-size: 0.85rem; color: #c9d4e3; }

.btn, button, input[type=submit] {
  appearance: none;
  border: 0;
  background: var(--teal);
  color: #fff;
  padding: 0.6rem 1rem;
  border-radius: 6px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.btn:hover, button:hover, input[type=submit]:hover { background: var(--teal-dark); }
.btn.secondary { background: var(--navy); }
.btn.secondary:hover { background: var(--navy-dark); }
.btn.danger { background: var(--danger); }
.btn.ghost {
  background: transparent;
  color: #fff;
  border: 1px solid #7f93b0;
}

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1.25rem 1.4rem;
  box-shadow: 0 8px 24px rgba(18, 36, 63, 0.06);
}

.login-page { max-width: 420px; margin: 3rem auto; }
label { display: block; font-weight: 600; margin: 0.8rem 0 0.3rem; }
input[type=text], input[type=password], input[type=email], input[type=search] {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  font: inherit;
}
.flash { padding: 0.75rem 1rem; border-radius: 6px; margin-bottom: 1rem; }
.flash.ok { background: #ecfdf3; color: var(--ok); }
.flash.err { background: #fef3f2; color: var(--danger); }
.muted { color: var(--muted); }

.search {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1rem;
}
.search input { flex: 1; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.7rem 0.5rem; border-bottom: 1px solid var(--line); }
th { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--muted); }
.toolbar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; margin-bottom: 1rem; }

.meta { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0.8rem; margin: 1rem 0 1.5rem; }
.meta div { background: var(--paper); padding: 0.8rem; border-radius: 8px; }
.meta dt { font-size: 0.75rem; text-transform: uppercase; color: var(--muted); }
.meta dd { margin: 0.2rem 0 0; font-weight: 600; }

.share-form { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: end; }
.share-form label { flex: 1; min-width: 220px; margin-top: 0; }

.public { max-width: 560px; margin: 3rem auto; text-align: center; }
.public h1 { color: var(--navy); }
.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 999px; font-size: 0.75rem; font-weight: 700; }
.badge.on { background: #ecfdf3; color: var(--ok); }
.badge.off { background: #fef3f2; color: var(--danger); }