:root {
  --bg: #0d1117;
  --surface: #161b22;
  --border: #30363d;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #58a6ff;
  --accent-hover: #79b8ff;
  --success: #2ea043;
  --danger: #f85149;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

a {
  color: var(--accent);
  text-decoration: none;
}
a:hover { color: var(--accent-hover); text-decoration: underline; }

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

h1 {
  font-size: 22px;
  margin: 0 0 8px;
  font-weight: 600;
}

.hint {
  color: var(--muted);
  margin: 0 0 20px;
  font-size: 13px;
}

code, .mono {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  background: rgba(110,118,129,0.15);
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 12.5px;
}
.small { font-size: 12px; }

/* Top nav */
.topbar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 10px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}
.brand {
  font-weight: 700;
  font-size: 16px;
}
.navlinks {
  display: flex;
  gap: 4px;
  flex: 1;
}
.navlinks a {
  padding: 6px 12px;
  border-radius: 6px;
  color: var(--text);
}
.navlinks a:hover { background: rgba(177,186,196,0.12); text-decoration: none; }
.navlinks a.active {
  background: rgba(56,139,253,0.15);
  color: var(--accent);
}
.userbox {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}
.userbox .logout {
  padding: 5px 10px;
  border: 1px solid var(--border);
  border-radius: 6px;
}

/* Flash messages */
.flash {
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  font-size: 13px;
}
.flash.success { background: rgba(46,160,67,0.15); border: 1px solid rgba(46,160,67,0.4); color: #56d364; }
.flash.error { background: rgba(248,81,73,0.12); border: 1px solid rgba(248,81,73,0.4); color: #ff7b72; }

/* Forms */
input, button {
  font: inherit;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 10px;
  outline: none;
}
input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(56,139,253,0.25); }
input[type=number] { max-width: 120px; }
input.wide { min-width: 320px; }

button {
  background: var(--accent);
  color: #0d1117;
  border: none;
  padding: 8px 18px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 6px;
}
button:hover { background: var(--accent-hover); }

button.secondary {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
button.secondary:hover { background: rgba(177,186,196,0.12); border-color: var(--muted); }

button.remove-row {
  background: transparent;
  color: var(--danger);
  border: 1px solid transparent;
  padding: 2px 8px;
  font-size: 18px;
  line-height: 1;
  font-weight: 700;
  cursor: pointer;
}
button.remove-row:hover { background: rgba(248,81,73,0.12); border-color: var(--danger); }

.muted { color: var(--muted); font-size: 11px; font-style: italic; }

tr.pending-delete td:not(.actions) {
  text-decoration: line-through;
  opacity: 0.45;
  background: rgba(248, 81, 73, 0.06);
}
tr.pending-delete input { color: var(--muted); }

.formfoot {
  margin-top: 18px;
  display: flex;
  justify-content: flex-end;
  gap: 12px;
}

/* Tables */
.tablewrap { overflow-x: auto; }
table.grid {
  border-collapse: collapse;
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}
table.grid th, table.grid td {
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
table.grid th {
  background: rgba(110,118,129,0.1);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}
table.grid tbody tr:last-child td { border-bottom: none; }
table.grid td.rowkey { font-weight: 600; }
table.grid td.empty { text-align: center; color: var(--muted); padding: 30px; }
table.grid input { width: 100%; }

/* Key-value form layout */
.kv {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  max-width: 600px;
}
.kv.compact { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); max-width: 100%; }
.kv label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 13px;
}
.kv label > span { color: var(--muted); }
.kv label > span em { font-style: normal; opacity: 0.7; font-size: 11px; }
.kv input { width: 100%; }

/* Login */
.login-card {
  max-width: 360px;
  margin: 80px auto 0;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.login-card h1 {
  text-align: center;
  margin-bottom: 20px;
}
.login-card form { display: flex; flex-direction: column; gap: 14px; }
.login-card label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.login-card input { font-size: 15px; padding: 8px 12px; }
.login-card button { margin-top: 6px; padding: 10px; }

/* Mobile */
@media (max-width: 720px) {
  .topbar { flex-wrap: wrap; gap: 12px; padding: 10px 14px; }
  .navlinks { order: 3; width: 100%; overflow-x: auto; }
  main { padding: 16px 14px 40px; }
  table.grid th, table.grid td { padding: 6px; font-size: 12.5px; }
  input.wide { min-width: 200px; }
}