:root {
  --bg: #f6f7f9; --card: #fff; --text: #1d2430; --muted: #6a7383; --line: #e1e4ea;
  --accent: #1f6feb; --ok: #1a7f37; --bad: #c62828; --okbg: #e7f5ec; --badbg: #fdecea;
}
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; flex-wrap: wrap; gap: 8px 24px; align-items: center; justify-content: space-between;
  padding: 10px 20px; background: #13233a; }
header a, header .link { color: #dfe6f1; text-decoration: none; }
header a:hover, header .link:hover { color: #fff; }
.brand { font-weight: 600; color: #fff !important; }
.brand span { font-weight: 400; opacity: .7; }
nav { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; }
main { max-width: 1100px; margin: 0 auto; padding: 20px 16px 60px; }
h1 { font-size: 1.5rem; margin: .4em 0; } h2 { font-size: 1.15rem; margin: 1.4em 0 .5em; }
.muted { color: var(--muted); }
.ok { color: var(--ok); } .bad { color: var(--bad); }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 18px; margin: 14px 0; }
.narrow { max-width: 420px; margin: 40px auto; }
label { display: block; margin: 10px 0; font-weight: 500; }
label.check { font-weight: 400; }
input, select, textarea { display: block; width: 100%; margin-top: 4px; padding: 8px 10px; font: inherit;
  border: 1px solid var(--line); border-radius: 6px; background: #fff; }
input[type=checkbox] { display: inline; width: auto; margin: 0 6px 0 0; }
input.small { display: inline-block; width: 150px; padding: 3px 6px; margin: 0; }
fieldset { border: 1px solid var(--line); border-radius: 8px; padding: 6px 14px; margin: 12px 0; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 0 14px; }
button, .button { display: inline-block; padding: 8px 16px; border: 0; border-radius: 6px; background: var(--accent);
  color: #fff; font: inherit; cursor: pointer; text-decoration: none; margin-top: 6px; }
.button.secondary { background: #e8eef8; color: var(--accent); }
button:disabled { opacity: .6; cursor: wait; }
button.link { background: none; padding: 0; margin: 0 8px 0 0; color: var(--accent); }
header button.link { color: #dfe6f1; }
form.inline { display: inline; }
.flash { padding: 10px 14px; border-radius: 8px; margin: 10px 0; background: #eef3fb; }
.flash.ok { background: var(--okbg); color: var(--ok); } .flash.error { background: var(--badbg); color: var(--bad); }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--line); border-radius: 8px; }
th, td { text-align: left; padding: 7px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-weight: 600; font-size: .9rem; color: var(--muted); }
td.actions { white-space: nowrap; }
.row-between { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
pre.log { background: #0f1724; color: #d7e0ec; padding: 14px; border-radius: 8px; overflow-x: auto; font-size: 13px;
  white-space: pre-wrap; word-break: break-word; }
textarea.code { min-height: 70vh; font: 13px/1.45 ui-monospace, Consolas, monospace; }
ul.files { padding-left: 18px; } ul.files li { margin: 3px 0; }
code { background: #eef1f5; padding: 1px 5px; border-radius: 4px; }
details summary { cursor: pointer; color: var(--muted); margin: 14px 0 6px; }