:root {
  --bg: #f4f5f7;
  --card: #ffffff;
  --text: #1d2129;
  --muted: #6b7280;
  --border: #e3e5e8;
  --accent: #1f6feb;
  --accent-text: #ffffff;
  --ok: #16794a;
  --ok-bg: #e3f5ea;
  --bad: #b42318;
  --bad-bg: #fde8e7;
  --warn: #8a5a00;
  --warn-bg: #fff3d6;
  --info: #1f4f9e;
  --info-bg: #e5eefc;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #111317;
    --card: #1a1d23;
    --text: #e6e8eb;
    --muted: #9aa1ab;
    --border: #2b2f37;
    --accent: #4c8dff;
    --ok: #5fd39a;
    --ok-bg: #173226;
    --bad: #ff8a80;
    --bad-bg: #3a1c1b;
    --warn: #f2c14e;
    --warn-bg: #3a2f14;
    --info: #8ab4ff;
    --info-bg: #1b2a44;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;
}
h1 { font-size: 18px; margin: 0; }
h2 { font-size: 16px; margin: 0 0 10px; }
h3 { font-size: 14px; margin: 18px 0 6px; color: var(--muted); }
.muted { color: var(--muted); }
.error { color: var(--bad); }
.ok-text { color: var(--ok); }

.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap;
  padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1;
}
.topbar-right { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

.grid {
  display: grid; gap: 16px; padding: 16px; max-width: 1200px; margin: 0 auto;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.card {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px; min-width: 0;
}
.card.wide { grid-column: 1 / -1; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
.card-head h2 { margin: 0; }

button, .button {
  font: inherit; cursor: pointer; border-radius: 8px; padding: 7px 14px;
  border: 1px solid var(--border); background: var(--card); color: var(--text); text-decoration: none;
  display: inline-block;
}
button:disabled { opacity: .5; cursor: default; }
button.primary { background: var(--accent); color: var(--accent-text); border-color: var(--accent); }
button.big { width: 100%; padding: 12px; font-size: 16px; font-weight: 600; }
button.ghost, .button.ghost { background: transparent; }
button.small { padding: 2px 8px; font-size: 13px; }
.small-link { margin-left: 8px; font-size: 13px; color: var(--accent); }

input[type=text], input[type=number], input[type=password] {
  width: 100%; font: inherit; padding: 8px 10px; margin-top: 4px;
  border: 1px solid var(--border); border-radius: 8px; background: var(--bg); color: var(--text);
}
form label { display: block; margin-bottom: 12px; }
label.row { display: flex; gap: 8px; align-items: center; }
.two { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.pill, .badge {
  display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 600;
  background: var(--info-bg); color: var(--info);
}
.ok { background: var(--ok-bg); color: var(--ok); }
.bad { background: var(--bad-bg); color: var(--bad); }
.warn { background: var(--warn-bg); color: var(--warn); }
.info { background: var(--info-bg); color: var(--info); }

.last-head { display: flex; gap: 10px; align-items: center; }
.message { margin: 8px 0; overflow-wrap: anywhere; }
#last-shot { max-width: 100%; max-height: 360px; border-radius: 8px; border: 1px solid var(--border); display: block; }

ul.plain { list-style: none; padding: 0; margin: 0; }
ul.plain li { padding: 2px 0; }

#screen { width: 100%; height: 80vh; border: 1px solid var(--border); border-radius: 8px; background: #000; margin-top: 10px; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td.msg { white-space: normal; min-width: 180px; overflow-wrap: anywhere; }

dialog { width: min(800px, calc(100vw - 32px)); border: 1px solid var(--border); border-radius: 12px;
  background: var(--card); color: var(--text); }
dialog .close { float: right; }
dialog pre { white-space: pre-wrap; font-size: 13px; max-height: 70vh; overflow: auto; }

.login-body { display: grid; place-items: center; min-height: 100vh; padding: 16px; }
.login-card { width: min(360px, 100%); display: grid; gap: 12px; }
.login-card button { width: 100%; padding: 10px; }

@media (max-width: 480px) {
  .grid { padding: 12px 16px; }
  .two { grid-template-columns: 1fr; }
}