body { background: #f5f6f8; }
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; }
.stat-card { border: 0; border-left: 4px solid var(--bs-primary); }
.stat-card .num { font-size: 1.6rem; font-weight: 600; }
.transcript { max-height: 60vh; overflow-y: auto; }
.msg { padding: .35rem .6rem; border-radius: .5rem; margin-bottom: .35rem; max-width: 85%; font-size: .92rem; }
.msg.user { background: #e8f0fe; margin-left: auto; }
.msg.assistant { background: #fff; border: 1px solid #e3e6ea; }
.msg.tool { background: #fff8e1; font-family: monospace; font-size: .8rem; max-width: 100%; }
.msg .t { font-size: .7rem; color: #888; }
table td, table th { vertical-align: middle; }
.cursor { cursor: pointer; }
.msg.system { background: #f1f3f5; color: #495057; font-size: .8rem; max-width: 100%; border-left: 3px solid #adb5bd; }