:root {
  --navy: #002a5c;
  --navy-light: #0a3d73;
  --accent: #d4a017;
  --bg: #f4f6f9;
  --card: #ffffff;
  --line: #dce3ec;
  --text: #1b2430;
  --muted: #5a6b7e;
  --danger: #b3261e;
  --ok: #1f7a3d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  background: var(--navy); color: #fff;
  padding: 0 1.5rem; height: 60px;
}
.brand { color: #fff; text-decoration: none; font-weight: 700; font-size: 1.15rem; letter-spacing: .04em; }
.brand span { font-weight: 400; opacity: .85; }
.topbar nav { display: flex; align-items: center; gap: 1.25rem; }
.topbar nav a { color: #cfe0f2; text-decoration: none; font-size: .92rem; }
.topbar nav a:hover { color: #fff; }
.linkbtn { background: none; border: none; color: #cfe0f2; cursor: pointer; font-size: .92rem; padding: 0; }
.linkbtn:hover { color: #fff; }
.inline { display: inline; margin: 0; }

.container { max-width: 880px; margin: 2.5rem auto; padding: 0 1.5rem; }

.foot { text-align: center; color: var(--muted); font-size: .82rem; padding: 2rem 0; }

h1 { font-size: 1.6rem; margin: 0 0 .25rem; }
.subtitle { color: var(--muted); margin: 0 0 2rem; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: 10px; padding: 1.5rem; margin-bottom: 1.25rem;
}

.gate { max-width: 420px; margin: 4rem auto; }
.gate h1 { text-align: center; }

label { display: block; font-weight: 600; font-size: .9rem; margin: 1rem 0 .35rem; }
input[type=text], input[type=password], input[type=email], input[type=date], textarea, input[type=file] {
  width: 100%; padding: .6rem .7rem; border: 1px solid var(--line);
  border-radius: 7px; font-size: .95rem; font-family: inherit;
}
textarea { min-height: 120px; resize: vertical; }

.btn {
  display: inline-block; background: var(--navy); color: #fff; border: none;
  padding: .65rem 1.3rem; border-radius: 7px; font-size: .95rem; cursor: pointer;
  text-decoration: none; margin-top: 1rem;
}
.btn:hover { background: var(--navy-light); }
.btn.secondary { background: #e8edf3; color: var(--navy); }
.btn.danger { background: var(--danger); }
.btn.small { padding: .35rem .8rem; font-size: .85rem; margin: 0; }

.error { color: var(--danger); font-size: .9rem; margin-top: .75rem; }
.flash { background: #e7f5ec; color: var(--ok); border: 1px solid #b7e0c4; padding: .7rem 1rem; border-radius: 7px; margin-bottom: 1.25rem; }

.ticker {
  font-family: "SF Mono", ui-monospace, "Cascadia Code", Menlo, Consolas, monospace;
  background: var(--navy); color: var(--accent);
  padding: .15rem .55rem; border-radius: 5px; font-weight: 600; letter-spacing: .03em;
}
.latest-badge {
  background: var(--accent); color: #3a2c00; font-size: .72rem; font-weight: 700;
  padding: .12rem .5rem; border-radius: 4px; text-transform: uppercase; letter-spacing: .05em;
}

.release-head { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.release-date { color: var(--muted); font-size: .85rem; }
.notes { white-space: pre-wrap; color: var(--text); margin: .75rem 0 1rem; }

.files { list-style: none; padding: 0; margin: 0; display: grid; gap: .5rem; }
.file {
  display: flex; align-items: center; justify-content: space-between;
  border: 1px solid var(--line); border-radius: 7px; padding: .6rem .8rem;
}
.file .meta { color: var(--muted); font-size: .82rem; }
.file .kind { font-weight: 600; }

.archive-title { color: var(--muted); font-size: .9rem; text-transform: uppercase; letter-spacing: .05em; margin: 2rem 0 1rem; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .6rem .5rem; border-bottom: 1px solid var(--line); font-size: .9rem; }
th { color: var(--muted); font-weight: 600; }
.row-actions { display: flex; gap: .5rem; }
.muted { color: var(--muted); }
.field-validation-error { color: var(--danger); font-size: .82rem; display: block; margin-top: .25rem; }