/* 15rekordov.online — публичный сайт */
:root {
  --bg: #0a0a0a;
  --bg-elev: #161616;
  --bg-elev-2: #1f1f1f;
  --border: #2a2a2a;
  --text: #ededed;
  --muted: #9a9a9a;
  --accent: #6dd3ff;
  --accent-hover: #98e0ff;
  --danger: #ff6868;
  --ok: #4ade80;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(0,0,0,.4);
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 15px; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); text-decoration: underline; }
.container { max-width: 720px; margin: 0 auto; padding: 32px 20px; }
header { display: flex; justify-content: space-between; align-items: center;
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  position: sticky; top: 0; background: rgba(10,10,10,.85); backdrop-filter: blur(10px); z-index: 10; }
header .brand { font-weight: 700; font-size: 18px; color: var(--text); }
header nav a { margin-left: 20px; color: var(--muted); }
header nav a:hover { color: var(--text); }
h1 { font-size: 28px; margin: 0 0 16px; }
h2 { font-size: 20px; margin: 24px 0 12px; }
h3 { font-size: 17px; margin: 16px 0 8px; color: var(--text); }
.card { background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 16px; }
.muted { color: var(--muted); font-size: 14px; }
button, .btn { display: inline-flex; align-items: center; justify-content: center;
  background: var(--accent); color: #002030; border: none;
  padding: 12px 20px; border-radius: 8px; font-size: 15px; font-weight: 600;
  cursor: pointer; transition: background .15s ease; min-height: 44px; }
button:hover, .btn:hover { background: var(--accent-hover); text-decoration: none; }
button:disabled { background: #444; color: #888; cursor: not-allowed; }
button.ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
button.ghost:hover { background: var(--bg-elev-2); }
input, textarea, select {
  width: 100%; background: var(--bg-elev-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 12px 14px; font-size: 15px; font-family: inherit;
  outline: none; transition: border .15s ease; }
input:focus, textarea:focus { border-color: var(--accent); }
input.pin { letter-spacing: 8px; text-align: center; font-size: 24px; font-weight: 700; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 0; }
.field { margin-bottom: 16px; }
.field label { display: block; margin-bottom: 6px; color: var(--muted); font-size: 13px; }
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 14px; }
.alert.ok { background: rgba(74,222,128,.1); color: var(--ok); border: 1px solid rgba(74,222,128,.3); }
.alert.err { background: rgba(255,104,104,.1); color: var(--danger); border: 1px solid rgba(255,104,104,.3); }
.alert.info { background: rgba(109,211,255,.08); color: var(--accent); border: 1px solid rgba(109,211,255,.3); }
.copy-row { display: flex; gap: 8px; align-items: stretch; }
.copy-row input { font-family: ui-monospace, monospace; font-size: 13px; }
footer { text-align: center; padding: 32px 20px; color: var(--muted); font-size: 13px;
  border-top: 1px solid var(--border); margin-top: 48px; }
.step { display: flex; gap: 16px; margin-bottom: 16px; }
.step-num { width: 32px; height: 32px; flex-shrink: 0; border-radius: 50%;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center; font-weight: 700; }
.step-body { flex: 1; }
.qr-block { display: flex; flex-direction: column; align-items: center;
  background: white; padding: 20px; border-radius: 12px; margin: 16px auto;
  max-width: 256px; }
.qr-block img { width: 256px; height: 256px; }
code, pre { background: var(--bg-elev-2); padding: 2px 6px; border-radius: 4px;
  font-family: ui-monospace, "Cascadia Code", monospace; font-size: 13px; }
.app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin: 12px 0; }
.app-grid a { display: block; padding: 12px; background: var(--bg-elev-2);
  border: 1px solid var(--border); border-radius: 8px; color: var(--text); text-align: center; }
.app-grid a:hover { background: var(--bg-elev); border-color: var(--accent); text-decoration: none; }
.spinner { display: inline-block; width: 16px; height: 16px;
  border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .8s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
@media (max-width: 480px) {
  .container { padding: 20px 16px; }
  h1 { font-size: 24px; }
  header nav a { margin-left: 12px; font-size: 14px; }
}