:root { --bg: #0f1221; --panel: #1a1f38; --accent: #7d7dbd; --text: #e7e9f3; --muted: #9aa0c0; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.5 system-ui, sans-serif; background: var(--bg); color: var(--text); }
header { display: flex; align-items: baseline; gap: 1rem; padding: 0.8rem 1.2rem; background: var(--panel); }
header h1 { font-size: 1.2rem; margin: 0; }
#who { color: var(--muted); font-size: 0.85rem; }
main { max-width: 900px; margin: 1.2rem auto; padding: 0 1rem; }
h2 { font-size: 1rem; color: var(--muted); }
input { width: 100%; padding: 0.5rem; margin: 0.3rem 0; background: #0c0f1d; border: 1px solid #2a3057; border-radius: 6px; color: var(--text); }
button { padding: 0.5rem 0.9rem; background: var(--accent); color: #fff; border: 0; border-radius: 6px; cursor: pointer; }
button.secondary { background: #2a3057; }
.row { display: flex; gap: 0.5rem; }
.msg { color: #ff9a9a; min-height: 1.2em; }
.link { color: var(--accent); font-size: 0.85rem; }
.hint { color: var(--muted); font-size: 0.85rem; }
.cols { display: grid; grid-template-columns: 240px 1fr; gap: 1rem; }
#roster { list-style: none; padding: 0; }
#roster li { padding: 0.5rem; border-radius: 6px; cursor: pointer; display: flex; justify-content: space-between; }
#roster li:hover { background: var(--panel); }
.dot { font-size: 0.7rem; }
.available { color: #5fd38a; } .busy { color: #e7c14a; } .away, .offline { color: var(--muted); }
#messages { height: 50vh; overflow-y: auto; background: var(--panel); border-radius: 8px; padding: 0.8rem; }
.bubble { margin: 0.3rem 0; padding: 0.4rem 0.7rem; border-radius: 8px; max-width: 75%; }
.bubble.public { background: #2a3057; }
.bubble.operator { background: var(--accent); margin-left: auto; }
#composer { display: flex; gap: 0.5rem; margin-top: 0.6rem; }
#composer input { margin: 0; }