[hidden] { display: none !important; }
* { letter-spacing: 0; }
body { background: #f5f7fa; }
.transport-workspace { height: 100dvh; display: flex; flex-direction: column; }
.transport-body { display: grid; grid-template-columns: 240px minmax(340px, 1fr) minmax(380px, 42%); flex: 1; min-height: 0; }
.chat-sidebar, .chat-main, .loads-panel { display: flex; flex-direction: column; min-width: 0; min-height: 0; background: #fff; }
.chat-main { background: #f5f7fa; }
.messages { overflow-y: auto; flex: 1; min-height: 240px; }
.chat-empty { text-align: center; margin: 4rem auto; max-width: 360px; }
.message { max-width: 92%; white-space: pre-wrap; overflow-wrap: anywhere; margin-bottom: 16px; padding: 12px 16px; border-radius: 6px; background: #fff; border: 1px solid #e0e5eb; }
.message.user { margin-left: auto; background: #e6f2ff; border-color: #c4ddf5; }
.message .message-label { display: block; font-size: 12px; color: #667085; margin-bottom: 4px; }
.model-select { max-width: 145px; }
.search-control { max-width: 210px; min-width: 32px; }
.transport-toast { position: fixed; z-index: 2000; top: 45%; left: 50%; transform: translate(-50%, -50%); max-width: min(92%, 520px); box-shadow: 0 4px 20px #0002; }
.transport-grid { table-layout: fixed; width: 100%; }
.transport-grid th:first-child { width: 22%; }
.transport-grid th:nth-child(2) { width: 32%; }
.transport-grid th:nth-child(3) { width: 27%; }
.transport-grid th:last-child { width: 19%; }
.transport-grid td { height: 35px; padding-top: 6px; padding-bottom: 6px; }
.transport-grid td, .transport-grid th { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.chat-entry { text-align: left; width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; border: 0; border-bottom: 1px solid #e9edf2; padding: 12px 16px; background: #fff; }
.chat-entry:hover, .chat-entry.active { background: #e6f2ff; color: #0666ba; }
@media (max-width: 1199px) { .transport-body { grid-template-columns: 210px minmax(320px, 1fr); } .loads-panel { grid-column: 1 / -1; max-height: 340px; border-top: 1px solid #dce1e7; } .transport-workspace { height: auto; min-height: 100dvh; } .chat-main { min-height: 550px; max-height: 75dvh; } .chat-sidebar { max-height: 75dvh; } }
@media (max-width: 639px) { .transport-body { grid-template-columns: minmax(0, 1fr); } .chat-sidebar { max-height: 250px; border-bottom: 1px solid #dce1e7; } .chat-main { min-height: 550px; } .loads-panel { max-height: 480px; } .navbar-brand { font-size: 16px; max-width: 55%; white-space: normal; } .model-select { max-width: 120px; } .transport-grid td, .transport-grid th { padding-left: 6px; padding-right: 6px; } }