:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --line: #e2e6ec;
  --text: #16202c;
  --muted: #6b7a8d;
  --accent: #2563eb;
  --ok: #15803d;
  --ok-bg: #dcfce7;
  --bad: #b91c1c;
  --bad-bg: #fee2e2;
  --warn: #92400e;
  --warn-bg: #fef3c7;
  --busy: #3730a3;
  --busy-bg: #e0e7ff;
  --mono: ui-monospace, "Cascadia Code", Consolas, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --panel: #161b22; --line: #2d333b;
    --text: #e6edf3; --muted: #8b949e; --accent: #4b8bf5;
    --ok: #7ee787; --ok-bg: rgba(63,185,80,.13);
    --bad: #ffb4ae; --bad-bg: rgba(248,81,73,.13);
    --warn: #f0c674; --warn-bg: rgba(210,153,34,.13);
    --busy: #9ecbff; --busy-bg: rgba(47,129,247,.13);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ------------------------------------------------ simulation-mode warning */
.mockbar {
  padding: .85rem 1.5rem; background: #7a2e00; color: #ffd9b3;
  border-bottom: 2px solid #d29922; font-size: 13.5px; line-height: 1.5;
}
.mockbar strong { color: #fff; display: block; margin-bottom: .15rem; }
.mockbar code {
  font: 12px var(--mono); background: rgba(0,0,0,.3);
  padding: .08rem .3rem; border-radius: 3px;
}

/* ---------------------------------------------------------------- header */
.topbar {
  display: flex; align-items: center; gap: 1.25rem; flex-wrap: wrap;
  padding: .85rem 1.5rem; background: var(--panel); border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; color: var(--text); text-decoration: none; font-size: 1.02rem; }
.topbar nav { display: flex; gap: 1rem; }
.topbar nav a {
  color: var(--muted); text-decoration: none; font-size: .93rem; font-weight: 550;
  padding: .3rem 0; border-bottom: 2px solid transparent;
}
.topbar nav a:hover { color: var(--text); }
.topbar nav a.on { color: var(--accent); border-bottom-color: var(--accent); }
.spacer { flex: 1; }

.agent-pill {
  font: 600 11px/1 var(--mono); padding: .38rem .6rem; border-radius: 999px;
  border: 1px solid var(--line); color: var(--muted);
  text-transform: uppercase; letter-spacing: .05em;
}
.agent-pill.ok   { background: var(--ok-bg);   color: var(--ok);   border-color: transparent; }
.agent-pill.bad  { background: var(--bad-bg);  color: var(--bad);  border-color: transparent; }
.agent-pill.warn { background: var(--warn-bg); color: var(--warn); border-color: transparent; }

/* ----------------------------------------------------------------- layout */
main { max-width: 960px; margin: 0 auto; padding: 1.5rem 1.25rem 3rem; }

.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: 10px; padding: 1.35rem 1.5rem; margin-bottom: 1.25rem;
}
.card h2 { margin: 0 0 .35rem; font-size: 1.05rem; }
.card-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.empty { color: var(--muted); padding: 1rem 0; }

.split { display: grid; grid-template-columns: 1fr 260px; gap: 1.75rem; margin-top: 1.1rem; }
@media (max-width: 760px) { .split { grid-template-columns: 1fr; } }

/* ------------------------------------------------------------------ forms */
label { display: block; font-size: .85rem; color: var(--muted); margin: .9rem 0 .3rem; }
input, select {
  width: 100%; padding: .55rem .65rem; font: inherit;
  border: 1px solid var(--line); border-radius: 6px;
  background: var(--bg); color: var(--text);
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
input[type=file] { padding: .4rem; }
#photo-preview { margin-top: .7rem; width: 96px; height: 96px; object-fit: cover; border-radius: 8px; }

.btns { display: flex; gap: .55rem; flex-wrap: wrap; margin-top: 1.1rem; }
.btn {
  font: 600 14px/1 inherit; padding: .6rem 1rem; border-radius: 6px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel); color: var(--text);
  text-decoration: none; display: inline-block;
}
.btn:hover:not(:disabled) { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn.small { padding: .38rem .6rem; font-size: 12.5px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

/* ----------------------------------------------------------------- status */
.status { padding: .7rem .85rem; border-radius: 6px; font-weight: 600; font-size: .92rem; }
.status.ok   { background: var(--ok-bg);   color: var(--ok); }
.status.bad  { background: var(--bad-bg);  color: var(--bad); }
.status.busy { background: var(--busy-bg); color: var(--busy); }
.warn { background: var(--warn-bg); color: var(--warn); padding: .8rem .9rem; border-radius: 6px; font-size: .9rem; }

/* -------------------------------------------------------------- scan panel */
.scan img, .scan .ph {
  width: 100%; aspect-ratio: 300 / 375; border-radius: 8px;
  background: #0b0f14; border: 1px solid var(--line); display: block;
}
.scan img { object-fit: contain; }
.scan .ph { display: grid; place-items: center; color: #64748b; font-size: .82rem; }
.dots { display: flex; gap: .35rem; margin-top: .6rem; }
.dots .dot { flex: 1; height: 5px; border-radius: 3px; background: var(--line); transition: background .2s; }
.dots .dot.on { background: var(--accent); }

/* ------------------------------------------------------------ people list */
.people { list-style: none; margin: 1rem 0 0; padding: 0; }
.people li {
  display: flex; align-items: center; gap: .9rem;
  padding: .7rem 0; border-top: 1px solid var(--line);
}
.people img, .avatar {
  width: 44px; height: 44px; border-radius: 50%; object-fit: cover; flex: none;
}
.avatar {
  display: grid; place-items: center; background: var(--busy-bg); color: var(--busy);
  font-weight: 700; font-size: .85rem;
}
.who { flex: 1; display: flex; flex-direction: column; }
.tag {
  font: 600 11px/1 var(--mono); padding: .32rem .55rem; border-radius: 999px;
  text-transform: uppercase; letter-spacing: .04em;
}
.tag.ok  { background: var(--ok-bg);  color: var(--ok); }
.tag.off { background: var(--bad-bg); color: var(--bad); }

/* --------------------------------------------------------------- identify */
.match {
  display: flex; align-items: center; gap: 1rem; margin-top: 1.35rem;
  padding: 1rem; border-radius: 8px; background: var(--ok-bg); border: 1px solid transparent;
}
.match img, .match .avatar { width: 68px; height: 68px; border-radius: 8px; }
.match strong { font-size: 1.1rem; display: block; }
.match.bad { background: var(--bad-bg); }

/* Search picker on the verify page */
.picker { margin-top: .6rem; max-height: 260px; overflow-y: auto; }
.picker li { cursor: pointer; padding-left: .4rem; border-radius: 6px; }
.picker li:hover { background: var(--busy-bg); }
.picker li.muted { cursor: default; padding: .7rem .4rem; }
.picker li.muted:hover { background: none; }

/* ------------------------------------------------------------ setup panel */
.setup { border-left: 3px solid var(--accent); }
.paste { display: grid; grid-template-columns: 150px 1fr; gap: .55rem 1rem; margin: 1.1rem 0 0; align-items: center; }
.paste dt { color: var(--muted); font-size: .87rem; }
.paste dd { margin: 0; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.paste code {
  font: 12.5px/1.4 var(--mono); background: var(--bg); padding: .38rem .55rem;
  border-radius: 5px; border: 1px solid var(--line); word-break: break-all;
}
.copy {
  font: 600 11px/1 inherit; padding: .35rem .55rem; border-radius: 5px; cursor: pointer;
  border: 1px solid var(--line); background: var(--panel); color: var(--muted);
}
.copy:hover { color: var(--text); border-color: var(--accent); }