/* Schack ID - deliberately one small stylesheet, no build step. */
:root {
  color-scheme: light dark;
  --bg: #f4f4f2;
  --card: #ffffff;
  --ink: #1c1c1c;
  --muted: #6f6f68;
  --line: #e3e3de;
  --accent: #b4472b;      /* shutter red, shared with Camera Schack */
  --accent-ink: #ffffff;
  --ok-bg: #eaf4ec; --ok-ink: #1f5b31;
  --bad-bg: #fbecea; --bad-ink: #8e2b1a;
  --warn-bg: #fdf3e3; --warn-ink: #7a531a;
  --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #16161a; --card: #1f1f24; --ink: #ececea; --muted: #9d9d97;
    --line: #32323a; --ok-bg: #1c3326; --ok-ink: #96d6ac;
    --bad-bg: #3a1f1b; --bad-ink: #f0a394;
    --warn-bg: #33291a; --warn-ink: #e3bd7c;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
}
.shell { max-width: 620px; margin: 0 auto; padding: 40px 20px 64px; }

.brand { text-align: center; margin-bottom: 28px; }
.mark {
  font-size: 24px; font-weight: 700; letter-spacing: -.02em;
  color: var(--ink); text-decoration: none;
}
.mark-thin { font-weight: 300; color: var(--muted); }
.mark-dot {
  display: inline-block; width: 11px; height: 11px; border-radius: 50%;
  background: var(--accent); margin-right: 8px; vertical-align: 1px;
}
.tagline { color: var(--muted); font-size: 13px; margin: 6px 0 0; }

.card {
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px;
}
h1 { font-size: 22px; margin: 0 0 6px; letter-spacing: -.01em; }
h2 { font-size: 15px; margin: 0 0 12px; text-transform: uppercase;
     letter-spacing: .09em; color: var(--muted); }
.lede { color: var(--muted); margin: 0 0 22px; }
.muted { color: var(--muted); }
.hint { color: var(--muted); font-weight: 400; font-size: 12px; }

.stack { display: grid; gap: 14px; }
.row { display: grid; gap: 14px; grid-template-columns: 1fr 1fr; }
@media (max-width: 480px) { .row { grid-template-columns: 1fr; } }
label { display: grid; gap: 5px; font-size: 13px; font-weight: 600; }
input, select {
  font: inherit; padding: 10px 12px; border: 1px solid var(--line);
  border-radius: 8px; background: var(--bg); color: var(--ink); width: 100%;
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.check { display: flex; align-items: center; gap: 9px; font-weight: 400; }
.check input { width: auto; }
.code-input { letter-spacing: .4em; font-size: 20px; text-align: center; }

button, .primary.inline {
  font: inherit; font-weight: 600; cursor: pointer; border-radius: 8px;
  border: 1px solid transparent; padding: 11px 18px;
}
button.primary, .primary.inline {
  background: var(--accent); color: var(--accent-ink);
  text-decoration: none; display: inline-block; text-align: center;
}
button.primary:hover { filter: brightness(1.08); }
button.link, .link {
  background: none; border: 0; color: var(--accent); padding: 0;
  text-decoration: none; font-weight: 600;
}
button.danger, .link.danger { color: var(--bad-ink); }
button.danger { background: var(--bad-bg); }

.notice { padding: 10px 13px; border-radius: 8px; margin: 0 0 18px; font-size: 14px; }
.notice.ok { background: var(--ok-bg); color: var(--ok-ink); }
.notice.bad { background: var(--bad-bg); color: var(--bad-ink); }
.pill {
  display: inline-block; font-size: 11px; font-weight: 700; padding: 2px 8px;
  border-radius: 999px; background: var(--line); color: var(--muted);
  text-transform: uppercase; letter-spacing: .06em; vertical-align: 2px;
}
.pill.ok { background: var(--ok-bg); color: var(--ok-ink); }
.pill.warn { background: var(--warn-bg); color: var(--warn-ink); }

.panel { border-top: 1px solid var(--line); margin-top: 28px; padding-top: 24px; }
.list { list-style: none; padding: 0; margin: 0 0 14px; display: grid; gap: 12px; }
.list li {
  display: flex; justify-content: space-between; align-items: flex-start;
  gap: 14px; padding: 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px;
}
.adder summary { cursor: pointer; color: var(--accent); font-weight: 600; }
.adder .stack { margin-top: 14px; }

.qr { display: flex; justify-content: center; margin: 8px 0 16px; }
.qr svg { width: 190px; height: 190px; background: #fff; padding: 10px;
          border-radius: 10px; }
.codes { columns: 2; list-style: none; padding: 0; margin: 0 0 18px; }
.codes li { padding: 5px 0; }
code { background: var(--bg); padding: 2px 6px; border-radius: 5px;
       font-size: 13px; }

.alt { margin: 18px 0 0; font-size: 14px; }
.alt a { color: var(--accent); }
.foot { text-align: center; margin-top: 26px; font-size: 13px; color: var(--muted); }
.foot a { color: var(--muted); text-decoration: none; margin: 0 4px; }
.fine { font-size: 12px; margin-top: 10px; }

/* Discount codes (staff) */
.amount { display: flex; gap: 8px; }
.amount input { flex: 1; min-width: 0; }
.amount select { width: auto; }
fieldset.sites { border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px 12px;
                 margin: 0; display: grid; gap: 8px; }
fieldset.sites legend { font-size: 13px; font-weight: 600; padding: 0 4px; }
.list li.code-row { flex-direction: column; align-items: stretch; }
.code-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 14px; }
.code-name { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 16px;
             letter-spacing: .04em; }
.uses { list-style: none; padding: 0; margin: 10px 0 0; display: grid; gap: 6px; font-size: 13px; }
.uses li { display: flex; flex-wrap: wrap; gap: 4px 10px; justify-content: space-between;
           border-bottom: 1px solid var(--line); padding-bottom: 6px; }