:root {
  --navy: #1e2466;
  --navy-2: #2e3192;
  --red: #ed1c24;
  --ink: #14151c;
  --muted: #5b6170;
  --line: #d8dee8;
  --bg: #f3f6fb;
  --card: #fff;
  --ok: #0f6b3a;
  --ok-bg: #e8f6ee;
  --err: #9b1c1c;
  --err-bg: #fdecec;
  --radius: 10px;
  --font: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.45;
}
a { color: var(--navy-2); }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  padding: 0.85rem 1.4rem;
  background: var(--navy);
  color: #fff;
}
.brand { display: flex; flex-direction: column; min-width: 8rem; }
.brand-kicker {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}
.brand-name, .top a { color: #fff; text-decoration: none; }
.brand-name { font-weight: 700; font-size: 1.05rem; }
.nav { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.nav a {
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  font-size: 0.92rem;
}
.nav a.is-on, .nav a:hover { background: rgba(255,255,255,0.14); }
.logout { margin-left: auto; display: flex; align-items: center; gap: 0.6rem; }
.who { font-size: 0.85rem; opacity: 0.85; }

.wrap { max-width: 1100px; margin: 0 auto; padding: 1.4rem 1.2rem 3rem; }
h1 { margin: 0 0 0.4rem; font-size: 1.7rem; }
h2 { font-size: 1.1rem; margin: 1.6rem 0 0.6rem; }
.lede { color: var(--muted); max-width: 46rem; }
.muted, .hint, .crumb { color: var(--muted); font-size: 0.92rem; }
.crumb { margin-bottom: 0.4rem; }

.btn {
  display: inline-block;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  padding: 0.5rem 0.9rem;
  border-radius: 8px;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--navy-2); border-color: var(--navy-2); color: #fff; }
.btn-quiet { background: transparent; color: inherit; border-color: rgba(255,255,255,0.3); }
.btn-danger { background: var(--red); border-color: var(--red); color: #fff; }
.actions { display: flex; flex-wrap: wrap; gap: 0.6rem; margin: 1.1rem 0; }

.cards { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 1.2rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
}
.card h2 { margin: 0 0 0.4rem; }

.table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 0.92rem;
}
.table th, .table td { text-align: left; padding: 0.55rem 0.7rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.table th { background: #eef2f8; font-weight: 600; }
.files .is-dir td { color: var(--muted); }
.row-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.restore { display: flex; gap: 0.35rem; align-items: center; margin: 0; }

.stack { display: grid; gap: 0.75rem; max-width: 100%; }
label { display: grid; gap: 0.3rem; font-weight: 600; font-size: 0.92rem; }
input[type="text"], input[type="password"], input[type="file"], textarea {
  font: inherit;
  padding: 0.5rem 0.6rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
textarea {
  width: 100%;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.85rem;
  line-height: 1.4;
}
.log {
  background: #12141c;
  color: #e8edf5;
  padding: 1rem;
  border-radius: var(--radius);
  overflow: auto;
  font-size: 0.8rem;
  white-space: pre-wrap;
}
.diff { max-height: 70vh; }
.preview img { max-width: min(100%, 520px); height: auto; border: 1px solid var(--line); border-radius: 8px; background: #fff; }

.flash { padding: 0.7rem 0.85rem; border-radius: 8px; }
.flash-ok { background: var(--ok-bg); color: var(--ok); }
.flash-err { background: var(--err-bg); color: var(--err); }

.login-body {
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: linear-gradient(160deg, var(--navy), #12153a);
}
.login-card {
  width: min(26rem, calc(100% - 2rem));
  background: #fff;
  padding: 1.6rem 1.5rem 1.8rem;
  border-radius: 14px;
  box-shadow: 0 20px 50px rgba(0,0,0,0.25);
}
.login-card h1 { font-size: 1.25rem; }
.login-card .brand-kicker { color: var(--navy-2); margin: 0; }