:root {
  --bg: #0e1116;
  --panel: #161b22;
  --panel2: #1c232c;
  --fg: #e6edf3;
  --muted: #8b949e;
  --accent: #2f81f7;
  --ok: #3fb950;
  --warn: #d29922;
  --err: #f85149;
  --border: #2a313c;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 14px/1.5 system-ui, "Segoe UI", Roboto, sans-serif;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.error, .err { color: var(--err); }
button {
  background: var(--accent);
  color: #fff;
  border: 0;
  border-radius: 7px;
  padding: 0.5rem 0.9rem;
  cursor: pointer;
  font: inherit;
}
button:hover { filter: brightness(1.1); }
button.link {
  background: none;
  color: var(--muted);
  padding: 0.3rem 0;
  text-align: left;
}
button.link:hover { color: var(--fg); }
input, select, textarea {
  background: #0b0f14;
  color: var(--fg);
  border: 1px solid var(--border);
  border-radius: 7px;
  padding: 0.5rem 0.6rem;
  font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 1px solid var(--accent); }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
}
code, pre { font-family: "JetBrains Mono", ui-monospace, monospace; }

/* login */
.login {
  display: flex; align-items: center; justify-content: center;
  min-height: 100vh;
}
.login-card { width: 340px; display: flex; flex-direction: column; gap: 0.7rem; }
.login-card h1 { margin: 0; color: var(--accent); }
.login-card label { display: flex; flex-direction: column; gap: 0.25rem; }

/* app layout */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.sidebar {
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  padding: 1rem 0.75rem;
  gap: 1rem;
}
.brand { font-weight: 700; color: var(--accent); font-size: 18px; padding: 0 0.25rem; }
.sidebar nav { display: flex; flex-direction: column; gap: 0.2rem; }
.sidebar nav button {
  background: none; color: var(--fg); text-align: left;
  padding: 0.5rem 0.6rem; border-radius: 7px;
}
.sidebar nav button:hover { background: var(--panel2); }
.sidebar nav button.active { background: var(--accent); color: #fff; }
.sidebar-foot { margin-top: auto; display: flex; flex-direction: column; gap: 0.6rem; }
.agent-pick { display: flex; flex-direction: column; gap: 0.25rem; }
.agent-pick label { color: var(--muted); font-size: 12px; }
.conn { font-size: 12px; color: var(--muted); }

.content { padding: 1.25rem 1.5rem; }
.topbar { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 1rem; }
.topbar h2 { margin: 0; }

/* dashboard grid */
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }
.agent-card h3 { margin: 0 0 0.5rem; display: flex; align-items: center; gap: 0.5rem; }
.dot { width: 10px; height: 10px; border-radius: 50%; display: inline-block; background: var(--muted); }
.dot.on { background: var(--ok); }
.dot.off { background: var(--err); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 0.2rem 0.8rem; font-size: 13px; }
.kv b { color: var(--muted); font-weight: 500; }
.badge { padding: 0.05rem 0.45rem; border-radius: 20px; font-size: 12px; border: 1px solid var(--border); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.warn { color: var(--warn); border-color: var(--warn); }
.badge.err { color: var(--err); border-color: var(--err); }

/* forms / lists */
.row-form { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; margin-bottom: 1rem; }
.row-form input { flex: 1 1 160px; }
.chk { display: flex; align-items: center; gap: 0.35rem; color: var(--muted); font-size: 13px; }
.list { display: flex; flex-direction: column; gap: 0.5rem; }
.sms {
  border: 1px solid var(--border); border-radius: 8px; padding: 0.6rem 0.8rem;
  background: var(--panel);
}
.sms.outgoing { border-left: 3px solid var(--accent); }
.sms.incoming { border-left: 3px solid var(--ok); }
.sms .meta { display: flex; gap: 0.7rem; color: var(--muted); font-size: 12px; margin-bottom: 0.2rem; }

/* events log */
.log { font-family: ui-monospace, monospace; font-size: 12.5px; display: flex; flex-direction: column; gap: 2px; max-height: 70vh; overflow: auto; }
.log .ln { padding: 0.15rem 0.4rem; border-radius: 5px; background: var(--panel); border: 1px solid var(--border); }

/* qr */
.qr-wrap { display: grid; grid-template-columns: 320px 1fr; gap: 1rem; align-items: start; }
.qr-image svg { width: 100%; height: auto; }
.qr-text { white-space: pre-wrap; word-break: break-all; max-height: 320px; overflow: auto; }

.settings-area { width: 100%; min-height: 55vh; resize: vertical; }

/* toast */
.toast {
  position: fixed; bottom: 1.2rem; right: 1.2rem;
  background: var(--panel2); border: 1px solid var(--border);
  padding: 0.7rem 1rem; border-radius: 8px; max-width: 360px;
}
.toast.ok { border-color: var(--ok); }
.toast.err { border-color: var(--err); }