:root {
  --bg: #0e1117;
  --panel: #161b22;
  --panel-2: #1c2330;
  --border: #2a3140;
  --text: #e6edf3;
  --muted: #8b949e;
  --accent: #ff4b4b;
  --accent-2: #3b82f6;
  --ok: #2ea043;
  --info-bg: #12283a;
  --info-border: #1f4b6e;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}

.layout { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 300px;
  min-width: 300px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  padding: 22px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.brand-mark { font-size: 26px; font-weight: 800; letter-spacing: 1px; color: var(--accent); }
.brand-sub { font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: 2px; }

.nav { display: flex; flex-direction: column; gap: 4px; margin-top: 16px; }
.nav-item {
  text-align: left;
  background: transparent;
  border: none;
  color: var(--text);
  padding: 9px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  transition: background .15s;
}
.nav-item:hover { background: var(--panel-2); }
.nav-item.active { background: var(--accent); color: #fff; font-weight: 600; }

.sidebar-block h3, .sidebar-foot h3 { font-size: 13px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); margin: 10px 0 6px; }
.sidebar label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 12px; }
.sidebar textarea, .sidebar input[type=password] {
  width: 100%;
  margin-top: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: 8px;
  padding: 8px;
  font-family: var(--mono);
  font-size: 13px;
  resize: vertical;
}
.sidebar-foot { margin-top: auto; }
hr { border: none; border-top: 1px solid var(--border); margin: 14px 0; }
.key-status { font-size: 12px; color: var(--ok); margin-bottom: 8px; }
.own-key summary { cursor: pointer; font-size: 13px; color: var(--muted); }
.own-key .hint { font-size: 11px; color: var(--muted); margin: 4px 0 0; }
.whoami { font-size: 11px; color: var(--muted); margin-top: 10px; word-break: break-all; }

/* Main */
.main { flex: 1; padding: 34px 42px; max-width: 1200px; }
h1 { font-size: 26px; margin: 0 0 16px; }
h3 { margin: 0 0 10px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 18px;
}
.info {
  background: var(--info-bg);
  border: 1px solid var(--info-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin-bottom: 18px;
  font-size: 14px;
}
code { font-family: var(--mono); background: var(--panel-2); padding: 1px 6px; border-radius: 5px; font-size: 13px; }
ol { padding-left: 20px; } ol li { margin-bottom: 8px; }

.row { display: flex; gap: 14px; align-items: flex-end; flex-wrap: wrap; margin-top: 12px; }
.row label { display: flex; flex-direction: column; font-size: 13px; color: var(--muted); gap: 6px; }
select {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  padding: 8px 10px; border-radius: 8px; min-width: 220px; font-size: 14px;
}

.filelabel { display: inline-flex; flex-direction: column; }
.filelabel span { font-size: 13px; color: var(--muted); margin-bottom: 6px; order: -1; }
input[type=file] {
  background: var(--bg); border: 1px dashed var(--border); color: var(--text);
  padding: 14px; border-radius: 8px; width: 100%; cursor: pointer;
}

.btn {
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); padding: 9px 16px; border-radius: 8px;
  cursor: pointer; font-size: 14px; transition: filter .15s, background .15s;
}
.btn:hover { filter: brightness(1.15); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }
.btn.wide { flex: 1; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.progress-wrap { margin-bottom: 18px; }
.progress { height: 8px; background: var(--panel-2); border-radius: 20px; overflow: hidden; }
.bar { height: 100%; width: 0%; background: var(--accent); transition: width .2s; }
.status { font-size: 13px; color: var(--muted); margin-top: 6px; }

.results-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; }
.table-wrap { max-height: 520px; overflow: auto; border: 1px solid var(--border); border-radius: 8px; }
table { border-collapse: collapse; width: 100%; font-size: 13px; }
th, td { text-align: left; padding: 7px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { position: sticky; top: 0; background: var(--panel-2); z-index: 1; }
tbody tr:hover { background: var(--panel-2); }

.suggester { margin-top: 16px; }
.suggester summary { cursor: pointer; font-weight: 600; }
.code {
  background: var(--bg); border: 1px solid var(--border); border-radius: 8px;
  padding: 12px; font-family: var(--mono); font-size: 13px; white-space: pre-wrap;
  margin-top: 10px; max-height: 320px; overflow: auto;
}

.toast {
  position: fixed; bottom: 24px; right: 24px; background: var(--panel-2);
  border: 1px solid var(--border); border-left: 4px solid var(--accent);
  padding: 12px 18px; border-radius: 8px; font-size: 14px; max-width: 360px;
  box-shadow: 0 6px 24px rgba(0,0,0,.4); z-index: 50;
}
.toast.ok { border-left-color: var(--ok); }