:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #141a24;
  --muted: #5d6676;
  --border: #e3e6ec;
  --accent: #2459d3;
  --accent-text: #ffffff;
  --button: #2459d3;
  --ok-bg: #e3f3ec;
  --ok-text: #17725c;
  --err-bg: #fbe7e4;
  --err-text: #a3362a;
  --neutral-bg: #ececea;
  --neutral-text: #4a4a46;
  --highlight: #fff8d6;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1117;
    --surface: #161a22;
    --text: #e6e9ef;
    --muted: #9aa3b2;
    --border: #262c38;
    --accent: #7ba4ff;
    --accent-text: #ffffff;
    --button: #3366e6;
    --ok-bg: #173329;
    --ok-text: #7fd8bc;
    --err-bg: #3a1d19;
    --err-text: #f2a094;
    --neutral-bg: #2b2b28;
    --neutral-text: #c4c4bf;
    --highlight: #36321c;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif;
}

header {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 24px;
  align-items: center;
  padding: 12px 16px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
}

.brand { font-weight: 700; display: inline-flex; align-items: center; gap: 0.6rem; font-size: 1.08rem; }
.brand svg { width: 32px; height: 32px; flex: none; }
.device { color: var(--muted); font-size: 0.875rem; font-family: ui-monospace, monospace; }

nav { display: flex; gap: 16px; }
nav a { color: var(--muted); text-decoration: none; padding: 4px 0; }
nav a[aria-current="page"] { color: var(--text); border-bottom: 2px solid var(--accent); }

main { max-width: 860px; margin: 0 auto; padding: 16px; }

h1 { font-size: 1.5rem; margin: 8px 0 4px; }
h3 { font-size: 0.85rem; margin: 8px 0 4px; color: var(--muted); }
.lead { color: var(--muted); margin: 0 0 16px; }
.empty { color: var(--muted); }

.banner { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.banner.ok { background: var(--ok-bg); color: var(--ok-text); }
.banner.error { background: var(--err-bg); color: var(--err-text); }

.pairing { margin-bottom: 16px; }
.code {
  font: 700 2rem/1.2 ui-monospace, monospace;
  letter-spacing: 0.12em;
  margin: 8px 0;
  user-select: all;
}

.changes { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
}
.card.highlight { background: var(--highlight); }

.meta { display: flex; gap: 12px; align-items: center; color: var(--muted); font-size: 0.875rem; }
.summary { margin: 8px 0 12px; }
.note { color: var(--muted); font-size: 0.875rem; margin: 4px 0; }

.status {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  background: var(--neutral-bg);
  color: var(--neutral-text);
}
.status-applied { background: var(--ok-bg); color: var(--ok-text); }
.status-failed { background: var(--err-bg); color: var(--err-text); }
.status-waiting { background: var(--highlight); color: var(--text); }
.card.waiting { border-color: var(--accent); }
.actions { display: flex; gap: 8px; flex-wrap: wrap; }
button.secondary { background: var(--neutral-bg); color: var(--neutral-text); }
h2 { font-size: 1.1rem; margin: 20px 0 8px; }

button {
  font: inherit;
  padding: 8px 14px;
  border: 0;
  border-radius: 8px;
  background: var(--button);
  color: #fff;
  cursor: pointer;
}
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

details { margin-top: 12px; font-size: 0.875rem; }
summary { cursor: pointer; color: var(--muted); }
dl { display: grid; grid-template-columns: max-content 1fr; gap: 2px 12px; margin: 8px 0; }
dt { color: var(--muted); }
dd { margin: 0; overflow-wrap: anywhere; }

.diff { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 640px) { .diff { grid-template-columns: 1fr; } }
pre {
  margin: 0;
  padding: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow-x: auto;
  font-size: 0.8rem;
}

code { font-size: 0.85em; }
a { color: var(--accent); }

.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 0.875rem; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
tr:last-child td { border-bottom: 0; }
.nowrap { white-space: nowrap; }
.fixes { margin: 12px 0 0; padding-left: 18px; font-size: 0.875rem; }
.fixes li { margin: 4px 0; }

/* portál */
.brand { color: var(--text); text-decoration: none; }
header nav { align-items: center; margin-left: auto; }
form.inline { display: inline; }
form.stack { display: grid; gap: 8px; max-width: 420px; margin: 12px 0 20px; }
input, textarea {
  font: inherit; padding: 10px 12px; border: 1px solid var(--border); border-radius: 8px;
  background: var(--surface); color: var(--text);
}
input:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button.link { background: none; color: var(--accent); padding: 0; }
.chat { display: grid; gap: 8px; margin: 16px 0; }
.bubble { padding: 10px 14px; border-radius: 12px; max-width: 85%; white-space: pre-wrap; overflow-wrap: anywhere; }
.bubble.user { justify-self: end; background: var(--button); color: #fff; }
.bubble.assistant { justify-self: start; background: var(--surface); border: 1px solid var(--border); }
a.muted { color: var(--muted); }
.address-input { display: flex; align-items: center; gap: 6px; }
.address-input input { flex: 1; }
a.button { display: inline-block; padding: 8px 14px; border-radius: 8px; text-decoration: none; background: var(--button); color: #fff; }

/* balíčky a AI kredity */
progress.meter { display: block; width: 100%; height: 8px; margin: 4px 0 8px; border: 0; border-radius: 4px;
  overflow: hidden; background: var(--neutral-bg); color: var(--accent); appearance: none; }
progress.meter::-webkit-progress-bar { background: var(--neutral-bg); }
progress.meter::-webkit-progress-value { background: var(--accent); }
progress.meter::-moz-progress-bar { background: var(--accent); }
progress.meter.full::-webkit-progress-value { background: var(--err-text); }
progress.meter.full::-moz-progress-bar { background: var(--err-text); }
.note.inactive, .note.inactive strong { color: var(--muted); }
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; margin: 16px 0; }
.plan.current { border-color: var(--accent); background: var(--highlight); }
.plan h2 { margin-top: 0; }
.plan ul { padding-left: 18px; margin: 8px 0 12px; }
.plan li { margin: 4px 0; }
.plan li.no { color: var(--muted); }