:root {
  --bg: #07111f;
  --panel: rgba(10, 18, 33, 0.9);
  --border: rgba(255, 255, 255, 0.12);
  --text: #eef2ff;
  --muted: #b4bfd6;
  --accent: #6d7cff;
  --danger: #fb7185;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(circle at top, #15233f, var(--bg));
  color: var(--text);
  min-height: 100vh;
}
.app-shell { max-width: 1100px; margin: 0 auto; padding: 24px; }
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; margin-bottom: 24px; }
.eyebrow { margin: 0 0 6px; text-transform: uppercase; letter-spacing: 0.14em; color: var(--accent); font-size: 0.78rem; }
h1, h2, h3, p { margin-top: 0; }
.card, .panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 20px;
  box-shadow: 0 18px 60px rgba(0,0,0,0.22);
}
.grid { display: grid; gap: 20px; }
.two-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.form-grid, .stack { display: grid; gap: 14px; }
label { display: grid; gap: 8px; }
span, .small, .lead, #profileList, #replyList, #fileList { color: var(--muted); }
input, textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.04);
  color: var(--text);
  outline: none;
}
button {
  border: 0;
  border-radius: 12px;
  padding: 12px 16px;
  background: var(--accent);
  color: white;
  font-weight: 700;
  cursor: pointer;
}
button.ghost { background: transparent; border: 1px solid var(--border); }
.hidden { display: none !important; }
.error { color: var(--danger); margin-top: 12px; }
.profile-list, .file-list, #replyList { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.profile-item, .reply-item, .file-item { padding: 12px 14px; border: 1px solid var(--border); border-radius: 14px; background: rgba(255,255,255,0.03); }
.profile-item strong { color: var(--text); }
.reply-log { margin-top: 18px; }
.admin-grid { align-items: start; }
@media (max-width: 640px) { .app-shell { padding: 16px; } .topbar { flex-direction: column; align-items: stretch; } }