:root {
  --bg: #f6f7f9; --panel: #ffffff; --ink: #1c2430; --muted: #627083; --line: #dfe3ea;
  --accent: #0f6b5c; --accent-ink: #ffffff; --user: #e3f1ee; --warn-bg: #fff4d6; --warn-ink: #7a5600;
  --err-bg: #fde8e8; --err-ink: #9b1c1c; --code: #f0f2f6; --shadow: 0 1px 2px rgba(20,30,50,.06);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12161c; --panel: #1a2029; --ink: #e6eaf0; --muted: #93a0b2; --line: #2c3541;
    --accent: #3fb9a3; --accent-ink: #08201b; --user: #1d3a35; --warn-bg: #3b3115; --warn-ink: #f2d27a;
    --err-bg: #3d1f1f; --err-ink: #f4a9a9; --code: #232b36; --shadow: none;
  }
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink); display: flex; flex-direction: column;
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans Arabic", Tahoma, sans-serif;
}
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 16px;
  background: var(--panel); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.logo { font-size: 26px; color: var(--accent); line-height: 1; }
h1 { margin: 0; font-size: 17px; line-height: 1.2; }
.sub { margin: 0; color: var(--muted); font-size: 12.5px; }
.actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.badge { font-size: 12px; padding: 3px 9px; border-radius: 999px; background: var(--warn-bg); color: var(--warn-ink); white-space: nowrap; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid transparent; padding: 8px 16px;
  background: var(--accent); color: var(--accent-ink); font-weight: 600; }
button:disabled { opacity: .5; cursor: default; }
button.ghost { background: transparent; color: var(--ink); border-color: var(--line); font-weight: 500; padding: 6px 12px; }
button:focus-visible, textarea:focus-visible, input:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

main { flex: 1; overflow-y: auto; padding: 18px 16px 8px; width: 100%; max-width: 920px; margin: 0 auto; }
.welcome { text-align: center; padding: 28px 8px 8px; }
.welcome h2 { margin: 0 0 6px; font-size: 20px; }
.welcome p { margin: 0 auto 16px; color: var(--muted); max-width: 620px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.chip { background: var(--panel); color: var(--ink); border: 1px solid var(--line); font-weight: 500; padding: 7px 12px;
  border-radius: 999px; font-size: 13.5px; box-shadow: var(--shadow); }
.chip:hover { border-color: var(--accent); }

.msg { display: flex; margin: 12px 0; }
.msg.user { justify-content: flex-end; }
.bubble { max-width: min(100%, 760px); padding: 10px 14px; border-radius: 14px; background: var(--panel);
  border: 1px solid var(--line); box-shadow: var(--shadow); overflow-wrap: anywhere; }
.msg.user .bubble { background: var(--user); border-color: transparent; white-space: pre-wrap; }
.msg.error .bubble { background: var(--err-bg); color: var(--err-ink); border-color: transparent; }
.bubble > :first-child { margin-top: 0; } .bubble > :last-child { margin-bottom: 0; }
.bubble h3, .bubble h4, .bubble h5 { margin: 14px 0 6px; font-size: 15px; }
.bubble p { margin: 8px 0; } .bubble ul, .bubble ol { margin: 8px 0; padding-inline-start: 22px; }
.bubble code { background: var(--code); padding: 1px 5px; border-radius: 4px; font: 13px ui-monospace, Consolas, monospace; }
.bubble pre { background: var(--code); padding: 10px 12px; border-radius: 8px; overflow-x: auto; margin: 8px 0; direction: ltr; text-align: left; }
.bubble pre code { background: none; padding: 0; }
.bubble blockquote { margin: 8px 0; padding: 2px 12px; border-inline-start: 3px solid var(--accent); color: var(--muted); }
.tablewrap { overflow-x: auto; margin: 10px 0; }
table { border-collapse: collapse; font-size: 13.5px; min-width: 60%; }
th, td { border: 1px solid var(--line); padding: 5px 9px; text-align: start; vertical-align: top; overflow-wrap: normal; word-break: normal; }
th { background: var(--code); font-weight: 600; }

details.queries { margin-top: 10px; border-top: 1px dashed var(--line); padding-top: 8px; font-size: 13px; color: var(--muted); }
details.queries summary { cursor: pointer; user-select: none; }
.q { margin: 8px 0; }
.q .meta { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.tag { font-size: 11.5px; padding: 1px 7px; border-radius: 999px; background: var(--code); color: var(--ink); }
.tag.bad { background: var(--err-bg); color: var(--err-ink); }
.q pre { margin: 4px 0 0; font-size: 12.5px; white-space: pre-wrap; background: var(--code); padding: 8px 10px; border-radius: 8px; direction: ltr; text-align: left; }

.typing { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); }
.dots span { display: inline-block; width: 6px; height: 6px; margin: 0 1.5px; border-radius: 50%; background: var(--muted); animation: blink 1.2s infinite; }
.dots span:nth-child(2) { animation-delay: .2s; } .dots span:nth-child(3) { animation-delay: .4s; }
@keyframes blink { 0%, 80%, 100% { opacity: .2; } 40% { opacity: 1; } }
@media (prefers-reduced-motion: reduce) { .dots span { animation: none; opacity: .6; } }

.composer { display: flex; gap: 8px; padding: 10px 16px 4px; width: 100%; max-width: 920px; margin: 0 auto; align-items: flex-end; }
textarea, input { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; }
textarea { flex: 1; resize: none; max-height: 180px; line-height: 1.4; }
.auth { position: fixed; inset: 0; z-index: 100; display: grid; place-items: center; padding: 16px; background: rgba(8, 12, 18, .74); backdrop-filter: blur(6px); }
.auth[hidden] { display: none; }
.authcard { display: flex; flex-direction: column; gap: 10px; width: min(420px, 100%); padding: 22px 24px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; box-shadow: var(--shadow); }
.authcard h2 { margin: 0; font-size: 19px; } .authcard p { margin: 0; } .authcard label { font-size: 13px; font-weight: 600; }
.authcard input { width: 100%; box-sizing: border-box; }
.authmsg { min-height: 1.3em; font-size: 13px; color: var(--muted); } .authmsg.bad { color: var(--err-ink); }
body.locked { overflow: hidden; }
.foot { margin: 0; padding: 2px 16px 10px; text-align: center; color: var(--muted); font-size: 12px; }
@media (max-width: 560px) { .sub { display: none; } .badge { display: none; } }

/* company logo: it has dark lettering, so it always sits on a white tile (readable in the dark theme too) */
.brandlogo { display: inline-flex; align-items: center; flex: none; background: #fff; border-radius: 10px; padding: 3px 10px; box-shadow: 0 1px 2px rgba(0, 0, 0, .25); }
.brandlogo img { display: block; height: 34px; width: auto; }
.authlogo { align-self: center; height: 52px; width: auto; margin-bottom: 4px; background: #fff; border-radius: 10px; padding: 6px 12px; }
@media (max-width: 520px) { .brandlogo img { height: 26px; } .brandlogo { padding: 3px 7px; } }