:root {
  --bg: #faf8f5; --surface: #fff; --fg: #1f1b18; --muted: #6f655d;
  --border: #e7e1d9; --accent: #8a5a44; --danger: #b42318; --success: #2f7a4a;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--fg);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { text-align: center; padding: calc(env(safe-area-inset-top) + 20px) 16px 8px; }
.brand { font-family: Georgia, "Times New Roman", serif; font-size: 28px; letter-spacing: .04em; margin: 0; }
.sub { color: var(--muted); margin: 2px 0 0; font-size: 14px; }
main { max-width: 640px; margin: 0 auto; padding: 12px 16px calc(env(safe-area-inset-bottom) + 32px); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 16px; margin-bottom: 14px; }
label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 12px; }
input, textarea { display: block; width: 100%; margin-top: 6px; padding: 12px; font: inherit; font-weight: 400;
  border: 1px solid var(--border); border-radius: 10px; background: #fff; color: var(--fg); }
#kod { font-size: 22px; letter-spacing: .08em; text-transform: uppercase; }
.btn, .btn-sec { display: block; width: 100%; padding: 14px; font: inherit; font-weight: 600;
  border-radius: 12px; border: 0; cursor: pointer; }
.btn { background: var(--accent); color: #fff; }
.btn-sec { background: transparent; border: 1px solid var(--border); color: var(--fg); }
.btn:disabled { opacity: .45; cursor: default; }
.btn.big { padding: 18px; font-size: 18px; margin-top: 8px; }
.link { background: none; border: 0; color: var(--muted); text-decoration: underline; font: inherit; padding: 8px; }
.muted { color: var(--muted); font-weight: 400; font-size: 13px; }
.hint { color: var(--muted); font-size: 13px; margin: 0 2px 10px; }
.center { text-align: center; }
.err { color: var(--danger); font-size: 14px; min-height: 1em; }
.ok { font-size: 48px; color: var(--success); margin: 0; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.slot { position: relative; background: var(--surface); border: 2px dashed var(--border); border-radius: 14px;
  aspect-ratio: 3 / 4; overflow: hidden; display: flex; flex-direction: column; justify-content: flex-end; cursor: pointer; }
.slot.filled { border-style: solid; border-color: var(--accent); }
.slot.done { border-color: var(--success); }
.slot.fail { border-color: var(--danger); }
.slot img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.slot input { display: none; }
.slot .cap { position: relative; padding: 8px 10px; background: rgba(255,255,255,.92); }
.slot .cap b { display: block; font-size: 14px; }
.slot .cap span { display: block; font-size: 11px; color: var(--muted); }
.slot .badge { position: absolute; top: 8px; right: 8px; z-index: 1; background: #fff; border-radius: 999px;
  padding: 2px 8px; font-size: 12px; font-weight: 600; }
.slot.opt:not(.filled) { opacity: .75; }
.slot .plus { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center;
  font-size: 40px; color: var(--border); padding-bottom: 40px; }