:root {
  --bg: #0a0a12;
  --panel: #12121f;
  --border: #2a2a45;
  --neon-g: #00ff9c;
  --neon-p: #ff2d95;
  --neon-b: #00b4ff;
  --text: #d8ffe8;
  --muted: #7a8a9a;
  --err: #ff5577;
  --font: "SF Mono", "Cascadia Code", "Noto Sans Mono CJK HK", "Microsoft JhengHei", ui-monospace, monospace;
}

* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0; height: 100%;
  background: var(--bg); color: var(--text);
  font-family: var(--font); font-size: 15px;
  line-height: 1.45;
}
body {
  background-image:
    radial-gradient(ellipse at 20% 0%, rgba(255,45,149,0.12), transparent 50%),
    radial-gradient(ellipse at 80% 100%, rgba(0,255,156,0.1), transparent 45%),
    linear-gradient(180deg, #0a0a12 0%, #0d0d18 100%);
  min-height: 100dvh;
}

#app {
  max-width: 1100px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 0 10px 12px;
}

.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 4px; border-bottom: 1px solid var(--border);
}
.logo {
  font-weight: 700; letter-spacing: 0.08em;
  color: var(--neon-g);
  text-shadow: 0 0 12px rgba(0,255,156,0.5);
}
.logo .sub {
  font-size: 0.65em; color: var(--neon-p); margin-left: 6px;
  text-shadow: 0 0 8px rgba(255,45,149,0.5);
}
.conn {
  font-size: 0.75em; padding: 3px 8px; border-radius: 999px;
  border: 1px solid var(--border);
}
.conn.online { color: var(--neon-g); border-color: var(--neon-g); }
.conn.offline { color: var(--muted); }

.panel {
  max-width: 420px; margin: 40px auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px;
  box-shadow: 0 0 40px rgba(0,255,156,0.06);
}
.panel h1 {
  margin: 0 0 8px; color: var(--neon-p);
  text-shadow: 0 0 16px rgba(255,45,149,0.4);
  font-size: 1.4rem;
}
.flavor { color: var(--muted); font-size: 0.9em; }
label { display: block; margin: 16px 0 8px; color: var(--neon-g); font-size: 0.85em; }
input[type="text"], input:not([type]), #nick, #cmd {
  width: 100%; padding: 10px 12px;
  background: #0a0a14; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  font: inherit; outline: none;
}
input:focus { border-color: var(--neon-g); box-shadow: 0 0 0 2px rgba(0,255,156,0.15); }

fieldset {
  border: 1px solid var(--border); border-radius: 8px;
  margin: 16px 0; padding: 12px;
}
legend { color: var(--neon-b); padding: 0 6px; font-size: 0.85em; }
.factions { display: flex; flex-direction: column; gap: 8px; }
.factions label.opt {
  display: flex; align-items: center; gap: 10px;
  margin: 0; padding: 10px; border-radius: 8px;
  border: 1px solid var(--border); cursor: pointer; color: var(--text);
}
.factions label.opt:has(input:checked) {
  border-color: var(--accent, var(--neon-g));
  background: rgba(0,255,156,0.06);
}
.factions input { accent-color: var(--neon-g); }

button {
  font: inherit; cursor: pointer;
  background: #1a1a2a; color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 8px 12px;
}
button:hover { border-color: var(--neon-g); color: var(--neon-g); }
button.primary {
  width: 100%; margin-top: 8px; padding: 12px;
  background: linear-gradient(135deg, rgba(0,255,156,0.15), rgba(255,45,149,0.12));
  border-color: var(--neon-g); color: var(--neon-g); font-weight: 700;
}
button.primary:hover {
  box-shadow: 0 0 20px rgba(0,255,156,0.25);
}
.err { color: var(--err); min-height: 1.2em; }
.hint { color: var(--muted); font-size: 0.75em; text-align: center; }
.hidden { display: none !important; }

#game-screen {
  flex: 1; display: grid;
  grid-template-columns: 280px 1fr;
  gap: 12px; min-height: 0; padding-top: 12px;
}
.sidebar {
  display: flex; flex-direction: column; gap: 10px; min-height: 0;
}
.stats, .room-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
}
.stats { font-size: 0.85em; }
.stats .hp-bar {
  height: 8px; background: #1a1a2a; border-radius: 4px; margin: 6px 0;
  overflow: hidden;
}
.stats .hp-bar > i {
  display: block; height: 100%; background: linear-gradient(90deg, var(--neon-p), var(--neon-g));
  width: 100%;
}
.room-box h2 {
  margin: 0 0 6px; font-size: 1rem; color: var(--neon-b);
  text-shadow: 0 0 8px rgba(0,180,255,0.35);
}
.room-desc { color: var(--muted); font-size: 0.8em; margin: 0 0 10px; }
.exits { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 10px; }
.exits button {
  padding: 6px 10px; font-size: 0.8em;
  border-color: var(--neon-b); color: var(--neon-b);
}
.presence { font-size: 0.8em; color: var(--muted); }
.presence strong { color: var(--neon-g); }

.main {
  display: flex; flex-direction: column; min-height: 0;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.log {
  flex: 1; overflow-y: auto; padding: 12px 14px;
  font-size: 0.9em; min-height: 280px;
  scrollbar-color: var(--border) transparent;
}
.log .line { margin: 0 0 6px; word-break: break-word; white-space: pre-wrap; }
.log .sys { color: var(--muted); }
.log .say { color: var(--text); }
.log .shout { color: var(--neon-p); font-weight: 700; }
.log .npc { color: var(--neon-b); }
.log .combat { color: #ffaa55; }
.log .move, .log .join, .log .leave { color: #8899aa; }
.log .look { color: var(--neon-g); }
.log .error { color: var(--err); }
.log .help { color: #c0c0ff; }
.log .who, .log .stats, .log .inv { color: #a0e0ff; }

.quick {
  display: flex; flex-wrap: wrap; gap: 6px;
  padding: 8px 10px; border-top: 1px solid var(--border);
  background: #0e0e18;
}
.quick button { font-size: 0.8em; padding: 6px 10px; }

.cmd-form {
  display: flex; gap: 8px;
  padding: 10px; border-top: 1px solid var(--border);
}
.cmd-form #cmd { flex: 1; }
.cmd-form button.primary { width: auto; margin: 0; padding: 10px 16px; }

@media (max-width: 760px) {
  #game-screen {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
  }
  .sidebar { order: -1; }
  .room-desc { display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden; }
  .log { min-height: 40dvh; max-height: 50dvh; }
  .panel { margin: 20px auto; }
}