/* Nerdster Cyber operator app. Nerdster UK palette: navy #0a2540, indigo #635bff. Calm, phone first. */
:root {
  --bg: #f6f7fb;
  --surface: #ffffff;
  --ink: #0a2540;
  --muted: #5b6b82;
  --line: #e3e7ef;
  --brand: #635bff;
  --brand-ink: #ffffff;
  --ok: #0f7a4f;
  --ok-bg: #e6f6ee;
  --bad: #b42335;
  --bad-bg: #fdecee;
  --ask: #4338ca;
  --ask-bg: #eef0ff;
  --warn: #9a5b00;
  --warn-bg: #fff4e0;
  --radius: 14px;
  --font: "Plus Jakarta Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #071a2e;
    --surface: #0d2540;
    --ink: #e8eef7;
    --muted: #9fb0c6;
    --line: #1d3a5a;
    --ok-bg: #0e3a2c; --ok: #7be0b0;
    --bad-bg: #44151d; --bad: #ff9aa8;
    --ask-bg: #23255a; --ask: #b9bdff;
    --warn-bg: #3d2a08; --warn: #ffc56b;
  }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 var(--font); }
h1, h2 { line-height: 1.2; margin: 0; }
h1 { font-size: 1.5rem; }
h2 { font-size: 1rem; margin: 1rem 0 0.4rem; }
p { margin: 0.35rem 0; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.warn-text { color: var(--warn); }
.bad-text { color: var(--bad); font-weight: 600; }

.brand { display: flex; align-items: center; gap: 10px; }
.brand img { border-radius: 8px; background: #fff; }
.brand strong { display: block; font-size: 1rem; }
.brand span { display: block; font-size: 0.8rem; color: var(--muted); }

.btn { font: inherit; border-radius: 10px; padding: 0.55rem 1rem; border: 1px solid transparent; cursor: pointer; }
.btn-primary { background: var(--brand); color: var(--brand-ink); font-weight: 600; }
.btn-primary:disabled { opacity: 0.6; cursor: wait; }
.btn-quiet { background: transparent; color: var(--muted); border-color: var(--line); }
.btn:focus-visible, select:focus-visible, textarea:focus-visible, input:focus-visible, [role="tab"]:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--brand) 45%, transparent); outline-offset: 2px;
}

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
  justify-content: space-between; padding: 10px 16px; background: var(--surface); border-bottom: 1px solid var(--line);
}
.topbar-actions { display: flex; gap: 8px; align-items: center; min-width: 0; }
.topbar-actions form { margin: 0; }
select { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 0.5rem 0.6rem; max-width: 58vw; }

.wrap { max-width: 880px; margin: 0 auto; padding: 16px; }
.status { padding: 0.7rem 0.9rem; border-radius: 10px; background: var(--surface); border: 1px solid var(--line); }
.status.error { background: var(--bad-bg); color: var(--bad); border-color: transparent; }

/* summary */
.summary { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.summary-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge { font-size: 0.75rem; font-weight: 600; padding: 0.15rem 0.55rem; border-radius: 999px; background: var(--warn-bg); color: var(--warn); }
.stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin: 14px 0 6px; }
.stat { border-radius: 12px; padding: 10px; display: flex; flex-direction: column; }
.stat-num { font-size: 1.6rem; font-weight: 700; line-height: 1.1; }
.stat-label { font-size: 0.8rem; }
.stat.ok { background: var(--ok-bg); color: var(--ok); }
.stat.bad { background: var(--bad-bg); color: var(--bad); }
.stat.ask { background: var(--ask-bg); color: var(--ask); }
.stat.warn { background: var(--warn-bg); color: var(--warn); }
.forecast { margin-top: 8px; }
.fix-list { margin: 0; padding-left: 1.2rem; }
.fix-list li { margin: 0.2rem 0; }

/* tabs */
.tabs { display: flex; gap: 6px; overflow-x: auto; margin: 18px 0 10px; padding-bottom: 2px; scrollbar-width: none; scroll-margin-top: 120px; }
.tabs::-webkit-scrollbar { display: none; }
[role="tab"] {
  font: inherit; font-size: 0.9rem; white-space: nowrap; padding: 0.45rem 0.85rem; border-radius: 999px;
  border: 1px solid var(--line); background: var(--surface); color: var(--muted); cursor: pointer;
}
[role="tab"][aria-selected="true"] { background: var(--ink); color: var(--bg); border-color: var(--ink); }

/* cards */
.panel { margin-bottom: 12px; }
.cards { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; counter-reset: c; }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; }
.cards > .card { counter-increment: c; }
.card-head { display: flex; justify-content: space-between; gap: 8px; align-items: center; flex-wrap: wrap; }
.ref { font-size: 0.8rem; font-weight: 600; color: var(--muted); }
.cards > .card .ref::before { content: counter(c) ". "; }
.question { font-weight: 600; }
.chip { font-size: 0.75rem; font-weight: 600; padding: 0.12rem 0.55rem; border-radius: 999px; background: var(--line); color: var(--ink); white-space: nowrap; }
.chip.ok { background: var(--ok-bg); color: var(--ok); }
.chip.bad { background: var(--bad-bg); color: var(--bad); }
.chip.ask { background: var(--ask-bg); color: var(--ask); }
.chip.warn { background: var(--warn-bg); color: var(--warn); }
.empty { color: var(--muted); padding: 0.6rem 0; }

.group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 10px; }
.group summary { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 12px 14px; cursor: pointer; list-style: none; }
.group summary::-webkit-details-marker { display: none; }
.group summary::before { content: "▸"; color: var(--muted); }
.group[open] summary::before { content: "▾"; }
.group-title { font-weight: 600; margin-right: auto; }
.finding { border-top: 1px solid var(--line); padding: 10px 14px; }

/* chat */
.chat-log { display: flex; flex-direction: column; gap: 10px; min-height: 160px; max-height: 60vh; overflow-y: auto; padding: 4px 0 10px; }
.bubble { max-width: 92%; padding: 10px 13px; border-radius: 14px; white-space: pre-wrap; overflow-wrap: anywhere; }
.bubble.user { align-self: flex-end; background: var(--brand); color: var(--brand-ink); border-bottom-right-radius: 4px; }
.bubble.assistant { align-self: flex-start; background: var(--surface); border: 1px solid var(--line); border-bottom-left-radius: 4px; white-space: normal; }
.bubble.pending { align-self: flex-start; color: var(--muted); font-style: italic; }
.bubble.error { align-self: flex-start; background: var(--bad-bg); color: var(--bad); }
.reply ul { margin: 0.3rem 0; padding-left: 1.2rem; }
.chat-form { display: flex; gap: 8px; align-items: flex-end; }
.chat-form textarea {
  flex: 1; font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line);
  border-radius: 12px; padding: 0.6rem 0.75rem; resize: vertical; min-height: 48px;
}

.fineprint { font-size: 0.78rem; color: var(--muted); }
.footer-note { margin-top: 24px; text-align: center; }

/* login */
.login-body { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card { width: 100%; max-width: 380px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.login-form { display: grid; gap: 8px; margin: 22px 0 10px; }
.login-form label { font-weight: 600; font-size: 0.9rem; }
.login-form input { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 0.65rem 0.75rem; }
.login-error { color: var(--bad); font-size: 0.9rem; margin: 0; }

@media (max-width: 560px) {
  .stats { grid-template-columns: repeat(2, 1fr); }
  .brand span { display: none; }
  h1 { font-size: 1.3rem; }
}