:root { --ink: #1d2433; --muted: #5b6475; --line: #dfe3ea; --bg: #f6f7f9; --accent: #0b6b5b; --pay: #ffc439; --warn: #fff4d6; }
* { box-sizing: border-box; }
body { margin: 0; font: 15px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
header, footer { padding: 12px 20px; }
header h1 { margin: 0; font-size: 22px; }
header h1 span { font-weight: 400; color: var(--muted); }
.tag { margin: 4px 0 0; font-size: 12px; color: var(--muted); }
.grid { display: grid; grid-template-columns: minmax(0, 3fr) minmax(0, 2fr); gap: 16px; padding: 0 20px 20px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }
.card { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; }
.card h2 { margin: 0 0 8px; font-size: 15px; }
.small { font-size: 12px; color: var(--muted); }
.mono { font-family: ui-monospace, Menlo, monospace; font-size: 12px; word-break: break-all; }
#transcript { list-style: none; margin: 0 0 10px; padding: 0; max-height: 46vh; overflow-y: auto; }
#transcript li { margin: 6px 0; padding: 8px 10px; border-radius: 8px; max-width: 90%; white-space: pre-wrap; }
#transcript li.traveller { background: #e7f0ff; margin-left: auto; }
#transcript li.ambree { background: #eef7f4; }
#transcript li.event { background: transparent; color: var(--muted); font-size: 12px; padding: 2px 10px; }
#chat-form { display: flex; gap: 8px; }
#chat-form input { flex: 1; }
input { font: inherit; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; width: 100%; }
label { display: block; margin: 8px 0; }
button, a.button { font: inherit; padding: 8px 14px; border-radius: 8px; border: 0; background: var(--accent); color: #fff; cursor: pointer; text-decoration: none; display: inline-block; margin: 6px 6px 0 0; }
button.secondary { background: #e9ecf1; color: var(--ink); }
button:disabled { opacity: .5; }
a.button.pay { background: var(--pay); color: #111; font-weight: 600; }
.approval { border: 2px solid var(--accent); border-radius: 10px; padding: 10px 12px; margin-top: 8px; }
.approval h4 { margin: 0 0 6px; }
.approval input { width: 10em; margin-right: 6px; }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 0 0 8px; }
dt { color: var(--muted); }
dd { margin: 0; }
.ledger { margin: 0; padding-left: 0; list-style: none; max-height: 34vh; overflow-y: auto; font-size: 13px; }
.ledger li { padding: 2px 0; border-bottom: 1px dashed var(--line); }
#chain[data-ok="true"] { color: var(--accent); font-weight: 600; }
#chain[data-ok="false"] { color: #b00020; font-weight: 700; }
.phone ul { margin: 0; padding-left: 18px; }
.operator main { max-width: 560px; margin: 0 auto; padding: 16px; }
.flash { padding: 8px 10px; border-radius: 8px; }
.flash.ok { background: #e3f5ee; }
.flash.err { background: #fde7ea; }
.warn { background: var(--warn); }
footer { text-align: center; }