:root {
  --ink: #111827;
  --muted: #6b7280;
  --brand: #4f46e5;
  --brand2: #7c3aed;
  --bg: #f9fafb;
  --line: #e5e7eb;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--ink); background: var(--bg); line-height: 1.55; }
button, input { font: inherit; }
button { cursor: pointer; background: var(--brand); color: #fff; border: 0; border-radius: 9px; padding: .55rem 1.1rem; font-weight: 600; }
button:hover { filter: brightness(1.08); }
button.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
button.ghost:hover { color: var(--ink); filter: none; }
input { border: 1px solid var(--line); border-radius: 9px; padding: .55rem .8rem; background: #fff; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.err { color: #b91c1c; }

.authcard { max-width: 380px; margin: 12vh auto; background: #fff; border-radius: 16px; box-shadow: 0 10px 40px rgba(0,0,0,.08); padding: 2rem; }
.authcard h1 { margin: 0 0 .3rem; font-size: 1.5rem; }
.authcard form { display: grid; gap: .7rem; margin-top: 1.2rem; }
.authcard button { margin-top: .3rem; }

.top { display: flex; align-items: center; gap: .8rem; padding: .8rem 1.4rem; background: #fff; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.top h1 { font-size: 1.05rem; margin: 0; flex: 0 0 auto; }
.top .sp { flex: 1; }
.pill { font-size: .78rem; font-weight: 600; padding: .15rem .6rem; border-radius: 999px; background: #ede9fe; color: var(--brand2); }
.pill.published { background: #dcfce7; color: #15803d; }

.wrap { max-width: 1000px; margin: 0 auto; padding: 1.4rem; }
.newrow { display: flex; gap: .6rem; margin-bottom: 1.2rem; }
.newrow input { flex: 1; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1rem; }
.card { background: #fff; border-radius: 14px; padding: 1.2rem; box-shadow: 0 1px 3px rgba(0,0,0,.08); }
.card h3 { margin: 0 0 .2rem; font-size: 1.02rem; }
.card .slug { color: var(--muted); font-size: .85rem; word-break: break-all; }
.card .row { display: flex; align-items: center; gap: .5rem; margin-top: .9rem; }

.ed { display: grid; grid-template-columns: minmax(320px, 460px) 1fr; gap: 1rem; padding: 1rem 1.4rem; height: calc(100vh - 58px); }
.chat { background: #fff; border-radius: 14px; box-shadow: 0 1px 3px rgba(0,0,0,.08); display: flex; flex-direction: column; overflow: hidden; }
.msgs { flex: 1; overflow-y: auto; padding: 1rem; display: flex; flex-direction: column; gap: .55rem; }
.bub { max-width: 88%; padding: .55rem .8rem; border-radius: 12px; white-space: pre-wrap; word-break: break-word; font-size: .93rem; }
.bub.user { align-self: flex-end; background: var(--brand); color: #fff; }
.bub.assistant { align-self: flex-start; background: #f3f4f6; }
.bub.system { align-self: center; background: #fff7ed; color: #9a3412; font-size: .82rem; border-radius: 999px; padding: .25rem .8rem; }
#cf { display: flex; gap: .5rem; padding: .7rem; border-top: 1px solid var(--line); }
#cf input { flex: 1; }
.prev { background: #fff; border-radius: 14px; box-shadow: 0 1px 3px rgba(0,0,0,.08); overflow: hidden; }
.prev iframe { width: 100%; height: 100%; border: 0; background: #fff; }
.acts { display: flex; gap: .5rem; align-items: center; }
.linkbtn { display: inline-block; background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 9px; padding: .5rem .9rem; font-weight: 600; text-decoration: none; font-size: .9rem; white-space: nowrap; }
.linkbtn:hover { color: var(--ink); }
.acts a.btn { text-decoration: none; }

@media (max-width: 900px) {
  .ed { grid-template-columns: 1fr; height: auto; }
  .prev { height: 60vh; }
  .msgs { max-height: 40vh; }
}