:root {
  --bg: #f3efe6;
  --panel: #fffdf8;
  --ink: #1c1a17;
  --muted: #6b6560;
  --line: #ddd4c6;
  --primary: #2f4f3e;
  --primary-text: #f7f4ee;
  --accent: #c45c26;
  --ok: #2f6b4f;
  --err: #9b2c2c;
  --sidebar: #1f1c19;
  --sidebar-text: #f4efe6;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --serif: "Literata", "Iowan Old Style", "Palatino Linotype", serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
  min-height: 100vh;
}
a { color: var(--primary); }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error { color: var(--err); }
.ok { color: var(--ok); }

.auth-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.auth-card {
  width: min(420px, 100%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
}
.auth-card h1 {
  font-family: var(--serif);
  font-weight: 600;
  margin: 0 0 8px;
  font-size: 28px;
}
.stack { display: grid; gap: 14px; margin-top: 18px; }
label { display: grid; gap: 6px; font-size: 14px; }
input, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font: inherit;
  background: #fff;
}
.btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font: inherit;
  cursor: pointer;
}
.btn.primary {
  background: var(--primary);
  color: var(--primary-text);
}
.btn.ghost {
  background: transparent;
  border: 1px solid var(--line);
}
.btn.danger {
  background: #b42318;
  color: #fff;
}
.inline-form {
  display: inline;
}
.auth-links {
  display: flex;
  justify-content: space-between;
  margin-top: 18px;
  font-size: 14px;
}

.shell { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 22px;
  border-bottom: 1px solid var(--line);
  background: #f7f2e9;
}
.brand { font-weight: 650; }
.bucket { color: var(--muted); font-size: 13px; margin-top: 2px; }
.topbar-user { display: flex; align-items: center; gap: 12px; }
.badge {
  text-transform: uppercase;
  font-size: 11px;
  letter-spacing: .04em;
  padding: 4px 8px;
  border-radius: 999px;
  background: #d9efe7;
}
.badge.admin { background: #f0c9b0; color: #7a2e10; }
.shell-body { display: grid; grid-template-columns: 240px 1fr; flex: 1; }
.sidebar {
  background: var(--sidebar);
  color: var(--sidebar-text);
  padding: 20px 14px;
}
.sidebar-title {
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  opacity: .7;
  margin-bottom: 12px;
}
.sidebar nav { display: grid; gap: 6px; }
.sidebar a, .nav-disabled {
  display: block;
  padding: 10px 12px;
  border-radius: 10px;
  text-decoration: none;
  color: inherit;
}
.sidebar a.active {
  background: #3a342e;
  outline: 1px solid var(--accent);
}
.nav-disabled { opacity: .45; cursor: default; }
.content { padding: 28px; }
.content h1 {
  font-family: var(--serif);
  font-size: 34px;
  margin: 0 0 6px;
}
.panel {
  margin-top: 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
}
.kv { display: grid; grid-template-columns: 140px 1fr; gap: 8px 16px; margin: 0 0 18px; }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.prefix-list { margin: 0; padding-left: 18px; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 13px;
}
.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px;
  display: grid;
  gap: 4px;
}
.stat strong { font-size: 20px; }
.stat span { color: var(--muted); font-size: 13px; }
.filter-bar {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
}
.filter-bar input { flex: 1; }
.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}
table.data th, table.data td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}
.tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: #e7efe9;
  font-size: 11px;
  letter-spacing: .04em;
}
.tag.expired { background: #f3d6d6; color: var(--err); }
.tag.live { background: #d9efe7; color: var(--ok); }
.actions { display: flex; gap: 8px; align-items: center; }
.btn.compact { padding: 7px 10px; font-size: 13px; }
.link-card { margin-bottom: 12px; }
.link-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; }
.link-url { word-break: break-all; font-size: 13px; }
.link-meta { color: var(--muted); font-size: 13px; margin-top: 8px; }
.link-list { display: grid; gap: 0; }
.prefix-set {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px 14px;
  margin: 0;
}
.prefix-set legend { padding: 0 6px; font-weight: 600; }
.prefix-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 16px;
  margin-bottom: 12px;
}
.prefix-grid .check {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  font-weight: 400;
  width: auto;
  white-space: nowrap;
}
.prefix-grid .check input[type="checkbox"] {
  width: auto;
  margin: 0;
  flex-shrink: 0;
  accent-color: var(--primary);
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
  margin: 12px 0 16px;
  font-size: 14px;
}
.breadcrumb .sep { color: var(--muted); }
.dir-link {
  font-weight: 600;
  text-decoration: none;
  color: var(--ink);
}
.dir-link:hover { color: var(--primary); }
.dir-row td { background: #faf7f1; }
.admin-tools h2 {
  margin: 0 0 12px;
  font-size: 18px;
  font-family: var(--serif);
}
.admin-tools-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 18px;
}
.admin-tools-grid .stack { margin-top: 0; }
.pagination-bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}
.pagination-pages {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}
.pagination-pages .page-link,
.pagination-pages .page-nav {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: 8px;
  text-decoration: none;
  color: var(--ink);
  font-size: 14px;
  border: 1px solid var(--line);
  background: #fff;
}
.pagination-pages .page-link:hover,
.pagination-pages .page-nav:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.pagination-pages .page-current {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 32px;
  height: 32px;
  padding: 0 8px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 600;
  background: var(--primary);
  color: var(--primary-text);
}

@media (max-width: 860px) {
  .shell-body { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
  .stats { grid-template-columns: 1fr 1fr; }
}