:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232d;
  --text: #f3f5f8;
  --muted: #9ba3af;
  --line: #2c313d;
  --gold: #d8aa35;
  --gold-2: #f1cb63;
  --danger: #ef4444;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, Segoe UI, Arial, sans-serif;
}
a { color: var(--gold-2); text-decoration: none; }
input, select, textarea {
  width: 100%;
  background: #10131a;
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 11px 12px;
  outline: none;
}
button {
  border: 0;
  border-radius: 8px;
  padding: 11px 16px;
  background: linear-gradient(135deg, var(--gold), var(--gold-2));
  color: #14100a;
  font-weight: 800;
  cursor: pointer;
}
button.ghost { background: transparent; color: var(--gold-2); border: 1px solid var(--line); }
.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  width: 260px;
  background: #0a0c10;
  border-right: 1px solid var(--line);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--gold);
  color: #111;
  font-weight: 900;
}
.brand small, .page-header p, .empty, .metric span, .message small { color: var(--muted); }
nav { display: grid; gap: 8px; }
nav a {
  padding: 12px;
  border-radius: 8px;
  color: var(--text);
}
nav a:hover { background: var(--panel); color: var(--gold-2); }
.sidebar-footer { margin-top: auto; display: grid; gap: 8px; color: var(--muted); }
.main { margin-left: 260px; padding: 30px; }
.page-header {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 20px;
  margin-bottom: 22px;
}
.page-header h1 { margin: 0 0 8px; }
.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 18px;
}
.metric, .panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
}
.metric { padding: 18px; display: grid; gap: 8px; }
.metric strong { font-size: 32px; }
.grid-2 { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 18px; }
.panel { padding: 18px; overflow-x: auto; }
.panel-title { font-weight: 800; margin-bottom: 14px; }
.topic-list { display: grid; gap: 10px; }
.topic-list div {
  display: flex;
  justify-content: space-between;
  padding: 12px;
  background: var(--panel-2);
  border-radius: 8px;
}
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 12px; border-bottom: 1px solid var(--line); text-align: left; }
th { color: var(--muted); font-size: 13px; }
.badge {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(216, 170, 53, 0.14);
  color: var(--gold-2);
  font-size: 12px;
  font-weight: 800;
}
.filters { display: flex; gap: 10px; align-items: center; }
.filters.wide { margin-bottom: 18px; }
.admin-form { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; margin-bottom: 18px; }
.conversation { display: grid; gap: 12px; margin-bottom: 18px; }
.message {
  max-width: 760px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: var(--panel);
}
.message.outbound { margin-left: auto; border-color: rgba(216, 170, 53, 0.5); }
.reply-box { display: grid; gap: 10px; max-width: 860px; }
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
}
.login-shell { width: min(920px, 94vw); display: grid; grid-template-columns: 1fr 380px; gap: 26px; align-items: center; }
.login-brand h1 { font-size: 44px; margin: 18px 0 8px; }
.login-brand p { color: var(--muted); max-width: 460px; }
.login-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  display: grid;
  gap: 12px;
}
.alert { color: #fecaca; background: rgba(239, 68, 68, 0.12); border: 1px solid rgba(239, 68, 68, 0.3); padding: 10px; border-radius: 8px; }

@media (max-width: 900px) {
  .sidebar { position: static; width: auto; }
  .main { margin-left: 0; padding: 18px; }
  .metrics, .grid-2, .login-shell, .admin-form { grid-template-columns: 1fr; }
  .page-header, .filters { align-items: stretch; flex-direction: column; }
}