:root { --fg: #1c2430; --muted: #5b6673; --accent: #1f7a4d; --accent-soft: #e4f1ea; --bad: #b42318; --bg: #f7f8f6; --line: #e3e6e1; }
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font: 17px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--fg); background: var(--bg); display: flex; flex-direction: column; }
header { display: flex; justify-content: space-between; align-items: center; gap: .5rem; padding: .6rem 1rem; background: #fff; border-bottom: 1px solid var(--line); }
nav { display: flex; align-items: center; gap: .6rem; }
.brand { font-weight: 700; color: var(--accent); text-decoration: none; font-size: 1.1rem; }
.lang { color: var(--muted); text-decoration: none; padding: .3rem .7rem; border: 1px solid #d8dcd6; border-radius: 999px; font-size: .85rem; white-space: nowrap; }
.who { color: var(--muted); font-size: .9rem; }
main { width: 100%; max-width: 40rem; margin: 0 auto; padding: 1.25rem 1rem; flex: 1; display: flex; flex-direction: column; }
h1 { margin: 0 0 .25rem; font-size: 1.5rem; }
h2 { font-size: 1.15rem; margin: 0 0 .5rem; }
.tagline, .muted { color: var(--muted); }
.tagline { margin-top: 0; }
.small { font-size: .85rem; }
.status { font-size: .95rem; color: var(--muted); }
.ok { color: var(--accent); }
.bad, .error { color: var(--bad); }
.stack { display: flex; flex-direction: column; gap: .5rem; }
.row { display: flex; flex-wrap: wrap; gap: .75rem; align-items: flex-start; }
.inline { display: inline; margin: 0; }
.card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 1rem; margin-top: 1rem; }
.qr svg { width: 160px; height: 160px; }
label { font-weight: 600; }
input, textarea, select { font: inherit; padding: .6rem .7rem; border: 1px solid #c9cfc6; border-radius: 10px; width: 100%; background: #fff; }
textarea { resize: none; }
button { font: inherit; padding: .6rem 1rem; border: 0; border-radius: 10px; background: var(--accent); color: #fff; cursor: pointer; }
button.small { padding: .25rem .6rem; font-size: .85rem; margin-left: .4rem; }
button.danger { background: var(--bad); }
button.link { background: none; color: var(--muted); padding: .3rem .4rem; font-size: .9rem; }
/* chat */
body.chat main { padding-bottom: .5rem; }
.messages { flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: .6rem; padding: .25rem 0; }
.msg { max-width: 85%; padding: .55rem .8rem; border-radius: 14px; background: #fff; border: 1px solid var(--line); }
.msg.user { align-self: flex-end; background: var(--accent-soft); border-color: #cfe4d7; }
.msg .from { display: block; font-size: .75rem; color: var(--muted); }
.msg p { margin: .1rem 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }
.composer { display: flex; gap: .5rem; align-items: flex-end; padding-top: .6rem; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: var(--bg); padding-bottom: env(safe-area-inset-bottom); }
/* admin tables */
.tablewrap { overflow-x: auto; background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 1rem; }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { text-align: left; padding: .35rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }