:root {
  --bg: #f4f4f1;
  --surface: #ffffff;
  --text: #1b1b19;
  --muted: #65655f;
  --line: #dededa;
  --accent: #1f5f8b;
  --accent-text: #ffffff;
  --danger: #a33a2c;
  --ok: #2f7a4a;
  --bar: #1f5f8b;
  --bar-track: #e8e8e3;
  --radius: 12px;
  color-scheme: light dark;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --bg: #141414;
    --surface: #1e1e1e;
    --text: #ececea;
    --muted: #a1a19b;
    --line: #333331;
    --accent: #6fb0e0;
    --accent-text: #0e1b26;
    --danger: #e08070;
    --ok: #7bc48f;
    --bar: #6fb0e0;
    --bar-track: #2a2a28;
  }
}

* { box-sizing: border-box; }

html, body { margin: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
  padding: 0 16px 48px;
}

.wrap { max-width: 960px; margin: 0 auto; }
.wrap.narrow { max-width: 560px; }

header.top { padding: 28px 0 16px; display: flex; align-items: baseline; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
header.top h1 { font-size: 1.5rem; margin: 0; }
header.top p { margin: 4px 0 0; color: var(--muted); }
header.top a { color: var(--accent); }
.nav { display: flex; align-items: center; gap: 14px; }
.nav form { margin: 0; }
input[type='password'] {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}
button.small { padding: 8px 12px; font-size: 0.9rem; }
.who { color: var(--muted); }
.users { list-style: none; margin: 0; padding: 0; }
.users li { border-top: 1px solid var(--line); padding: 12px 4px; display: grid; gap: 4px; }
.users li:first-child { border-top: 0; }
.users .title { font-weight: 600; display: flex; justify-content: space-between; gap: 8px; flex-wrap: wrap; }
.users .meta { color: var(--muted); font-size: 0.9rem; }
.users .count { white-space: nowrap; color: var(--accent); font-weight: 400; }
.user-actions { display: flex; gap: 8px; margin-top: 4px; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; margin-bottom: 14px; }
.check input { width: 18px; height: 18px; }

/* Style panel */
.style-panel { margin: 12px 0 4px; border: 1px solid var(--line); border-radius: 10px; padding: 0 14px; }
.style-panel summary { cursor: pointer; font-weight: 600; padding: 12px 0; }
.style-panel form { padding-bottom: 8px; }
input[type='color'] { width: 100%; height: 44px; padding: 4px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); cursor: pointer; }
.logo-row { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.logo-row input[type='file'] { flex: 1 1 200px; font: inherit; font-size: 0.9rem; }
.logo-name { color: var(--muted); font-size: 0.9rem; }
#style-saved { min-height: 1.2em; margin: 6px 0 0; }

.icons { display: flex; flex-wrap: wrap; gap: 8px; }
.icon-btn { width: 44px; height: 44px; padding: 6px; border-radius: 50%; background: var(--bg); border: 1px solid var(--line); flex: 0 0 auto; }
.icon-btn img { width: 100%; height: 100%; display: block; }
.icon-btn:hover { border-color: var(--accent); }
.icons { max-height: 164px; overflow-y: auto; padding: 2px; }
.icon-search { margin-bottom: 8px; }
input[type='search'] { width: 100%; font: inherit; padding: 10px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--bg); color: var(--text); }

/* Landing page */
.hero { text-align: center; }
a.button {
  display: inline-block; text-decoration: none; text-align: center;
  font-weight: 600; padding: 12px 18px; border-radius: 10px;
  background: var(--accent); color: var(--accent-text); border: 1px solid transparent;
}
a.button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
.actions a.button { flex: 1 1 140px; }
.steps { margin: 0; padding-left: 20px; display: grid; gap: 8px; }
.steps li { padding-left: 4px; }

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
}

label { display: block; font-weight: 600; margin-bottom: 6px; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 4px 0 0; }

input[type='text'], input[type='url'] {
  width: 100%;
  font: inherit;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
}
input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }

.field { margin-bottom: 14px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1 1 200px; }

button {
  font: inherit;
  font-weight: 600;
  padding: 12px 18px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  background: var(--accent);
  color: var(--accent-text);
}
button:disabled { opacity: 0.5; cursor: not-allowed; }
button.secondary { background: transparent; color: var(--text); border-color: var(--line); }
button.danger { background: transparent; color: var(--danger); border-color: var(--line); }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 12px; }
.actions button { flex: 1 1 140px; }

.error { color: var(--danger); margin: 10px 0 0; font-weight: 600; }
.error:empty { display: none; }

.preview { display: grid; place-items: center; padding: 16px 0 4px; }
.preview canvas { background: #fff; border-radius: 8px; width: min(100%, 280px); height: auto; image-rendering: pixelated; }
.encoded { word-break: break-all; text-align: center; margin: 8px 0 0; }
.encoded code { font-size: 0.95rem; }
.encoded .label { display: block; color: var(--muted); font-size: 0.85rem; }

/* Dashboard */
.layout { display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 820px) { .layout { grid-template-columns: 1fr 1fr; align-items: start; } }

.links { list-style: none; margin: 0; padding: 0; }
.links li { border-top: 1px solid var(--line); padding: 12px 4px; cursor: pointer; display: grid; gap: 2px; }
.links li:first-child { border-top: 0; }
.links li.active { background: color-mix(in srgb, var(--accent) 10%, transparent); border-radius: 8px; }
.links .title { font-weight: 600; display: flex; justify-content: space-between; gap: 8px; }
.links .meta { color: var(--muted); font-size: 0.9rem; word-break: break-all; }
.links .count { white-space: nowrap; color: var(--accent); }
.empty { color: var(--muted); padding: 8px 4px; }

.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 12px 0; }
.stat { background: var(--bg); border-radius: 10px; padding: 10px 12px; }
.stat .n { font-size: 1.4rem; font-weight: 700; }
.stat .l { color: var(--muted); font-size: 0.85rem; }

.chart { display: flex; align-items: flex-end; gap: 2px; height: 120px; margin-top: 12px; padding: 0 2px; border-bottom: 1px solid var(--line); }
.chart .bar { flex: 1; background: var(--bar-track); border-radius: 3px 3px 0 0; position: relative; min-height: 2px; }
.chart .bar .fill { position: absolute; left: 0; right: 0; bottom: 0; background: var(--bar); border-radius: 3px 3px 0 0; }
.chart-labels { display: flex; justify-content: space-between; color: var(--muted); font-size: 0.8rem; margin-top: 4px; }

.referrers { margin: 8px 0 0; padding: 0; list-style: none; color: var(--muted); font-size: 0.9rem; }
.referrers li { display: flex; justify-content: space-between; gap: 12px; padding: 2px 0; word-break: break-all; }

h2 { font-size: 1.1rem; margin: 0 0 12px; }
h3 { font-size: 1rem; margin: 18px 0 8px; }
.section { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 14px; }
.ok { color: var(--ok); font-weight: 600; }