:root {
  --bg: #f5f5f4; --card: #fff; --text: #1c1917; --muted: #78716c; --line: #e7e5e4;
  --brand: #ff5a1f; --brand-ink: #3b1a5a; --in: #fff; --out: #ffe8dc; --ok: #15803d; --err: #b91c1c;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #161413; --card: #1f1c1b; --text: #f5f5f4; --muted: #a8a29e; --line: #2e2a28;
          --in: #26221f; --out: #3a2419; }
}
* { box-sizing: border-box; }
body { margin: 0; font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--text); }
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--err); }
.warn { background: #fef3c7; color: #92400e; padding: 8px 12px; margin: 0; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
code { background: var(--line); padding: 1px 5px; border-radius: 4px; }
.logo { display: inline-grid; place-items: center; width: 28px; height: 28px; border-radius: 50%;
        background: var(--brand); color: var(--brand-ink); font-weight: 800; font-size: 13px; }

button { background: var(--brand); color: #fff; border: 0; border-radius: 8px; padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button:disabled { opacity: .5; cursor: default; }
input, select, textarea { font: inherit; color: inherit; background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; width: 100%; }
textarea { resize: vertical; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin: 16px; }
.card h2 { margin: 0 0 12px; font-size: 16px; }
.login-card { max-width: 340px; margin: 12vh auto; display: grid; gap: 12px; }
.login-card h1 { font-size: 20px; display: flex; gap: 8px; align-items: center; margin: 0 0 4px; }

header { display: flex; align-items: center; gap: 16px; padding: 10px 16px; background: var(--card); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.brand { display: flex; gap: 8px; align-items: center; font-weight: 700; }
nav { display: flex; gap: 4px; flex: 1; flex-wrap: wrap; }
nav button { background: transparent; color: var(--muted); }
nav button.active { background: var(--bg); color: var(--text); }

.inbox { display: grid; grid-template-columns: 320px 1fr; height: calc(100vh - 57px); }
.inbox aside { border-right: 1px solid var(--line); display: flex; flex-direction: column; min-height: 0; background: var(--card); }
.inbox aside select { margin: 10px; width: auto; }
.conv-list { list-style: none; margin: 0; padding: 0; overflow-y: auto; flex: 1; }
.conv-list li { padding: 10px 14px; border-bottom: 1px solid var(--line); cursor: pointer; }
.conv-list li.active, .conv-list li:hover { background: var(--bg); }
.conv-list .top { display: flex; justify-content: space-between; gap: 8px; }
.conv-list .name { font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.conv-list .preview { color: var(--muted); font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dot { display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); margin-right: 4px; }

.chat { display: flex; flex-direction: column; min-height: 0; }
.chat-header { padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card); font-weight: 600; }
.chat-messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 6px; }
.msg { max-width: 70%; padding: 8px 10px; border-radius: 10px; background: var(--in); border: 1px solid var(--line); white-space: pre-wrap; word-wrap: break-word; }
.msg.out { align-self: flex-end; background: var(--out); }
.msg .meta { font-size: 11px; color: var(--muted); margin-top: 2px; text-align: right; }
.msg.failed { border-color: var(--err); }
.reply { display: flex; gap: 8px; padding: 10px; border-top: 1px solid var(--line); background: var(--card); }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; }
.grid2 .card form { display: grid; gap: 8px; }
.row { display: flex; gap: 8px; align-items: center; margin-bottom: 10px; }
.row input, .row select { max-width: 280px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 500; font-size: 12px; }
td .tag { display: inline-block; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 0 8px; margin: 1px; font-size: 12px; }
.badge { padding: 2px 8px; border-radius: 999px; font-size: 12px; background: var(--bg); border: 1px solid var(--line); }
.badge.running { color: var(--ok); } .badge.paused { color: #b45309; } .badge.done { color: var(--muted); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-grid label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.form-grid .full { grid-column: 1 / -1; }
.tpl-preview { white-space: pre-wrap; background: var(--bg); border-radius: 8px; padding: 10px; min-height: 20px; }

.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 8px; max-width: 90vw; }

@media (max-width: 760px) {
  .inbox { grid-template-columns: 1fr; height: auto; }
  .inbox aside { max-height: 40vh; }
  .chat { height: 60vh; }
  .grid2, .form-grid { grid-template-columns: 1fr; }
  .card { margin: 12px 8px; overflow-x: auto; }
}