:root {
  --bg: #0f1311;
  --surface: #171d19;
  --muted: #8d9c90;
  --line: #283228;
  --text: #ecf2ec;
  --accent: #45d169;
  --danger: #e65e5e;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid var(--line);
}
.topbar h1 { margin: 0; font-size: 24px; }
.topbar p { margin: 4px 0 0; color: var(--muted); }
.token-box { display: flex; gap: 8px; }
.tabs {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
}
.tab {
  background: #1f2722;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 12px;
  cursor: pointer;
}
.tab.active { border-color: var(--accent); color: var(--accent); }
main { padding: 16px 20px 28px; }
.panel { display: none; }
.panel.active { display: block; }
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  margin-bottom: 12px;
}
.panel-head h2 { margin: 0; }
.list { display: grid; gap: 10px; }
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.card h3 { margin: 0 0 8px; font-size: 16px; }
.muted { color: var(--muted); }
.row { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
button, input, select, textarea {
  background: #111612;
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 8px 10px;
}
button { cursor: pointer; }
button.ok { border-color: var(--accent); }
button.bad { border-color: var(--danger); }
textarea {
  width: 100%;
  min-height: 420px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.actions { display: flex; gap: 10px; align-items: center; margin-top: 12px; }
.support-layout { display: grid; grid-template-columns: 380px 1fr; gap: 12px; }
.support-chat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}
.messages {
  height: 380px;
  overflow: auto;
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}
.msg { padding: 8px; border: 1px solid var(--line); border-radius: 8px; }
.msg.admin { border-color: var(--accent); }
.reply-row { display: flex; gap: 8px; margin-top: 8px; }
.reply-row input { flex: 1; }
.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  background: #0f1612;
  border: 1px solid var(--accent);
  color: var(--text);
  border-radius: 10px;
  padding: 10px 12px;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s ease;
}
.toast.show { opacity: 1; }
@media (max-width: 980px) {
  .support-layout { grid-template-columns: 1fr; }
}