:root{
  --bg: #f4f6f8;
  --pattern-opacity: 0.06;
  --pattern-size: 420px;

  --card-bg: #1f2126;
  --card-bg-2: #1a1c20;
  --card-border: rgba(255,255,255,.08);
  --text: #ffffff;
  --muted: rgba(255,255,255,.55);

  --btn: #2f7df6;
  --btn-hover: #256be0;
  --shadow: 0 18px 40px rgba(0,0,0,.18);
}

/* Auto dark theme */
@media (prefers-color-scheme: dark){
  :root{
    --bg: #0f1115;
    --pattern-opacity: 0.08;
    --card-bg: #1a1c20;
    --card-bg-2: #16181c;
    --card-border: rgba(255,255,255,.10);
    --shadow: 0 18px 50px rgba(0,0,0,.45);
  }
}

*{ box-sizing:border-box; }
html, body{ height:100%; }
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
}

/* TG-like wallpaper: flat color + very soft pattern overlay */
.bg{
  position:fixed;
  inset:0;
  background: var(--bg);
}
.bg::before{
  content:"";
  position:absolute;
  inset:-20px; /* small overscan for animation */
  background-image: url("../images/pattern.svg");
  background-repeat: repeat;
  background-position: center;
  background-size: var(--pattern-size) auto;
  opacity: var(--pattern-opacity);
  mix-blend-mode: overlay;
  pointer-events:none;
  transform: translate3d(0,0,0);
}

/* In dark mode make pattern light */
@media (prefers-color-scheme: dark){
  .bg::before{
    filter: invert(1);
  }
}

/* (Optional) tiny slow drift like TG web */
@media (prefers-reduced-motion: no-preference){
  .bg::before{ animation: tg-drift 70s linear infinite; }
}
@keyframes tg-drift{
  from{ background-position: 0 0; }
  to{ background-position: 700px 700px; }
}

.page{
  position:relative;
  min-height:100%;
  display:grid;
  place-items:center;
  padding: 28px 16px;
}

.card{
  width: min(520px, 92vw);
  border-radius: 22px;
  padding: 42px 28px 34px;
  text-align:center;

  background: linear-gradient(180deg, var(--card-bg), var(--card-bg-2));
  border: 1px solid var(--card-border);
  box-shadow: var(--shadow);
}

.avatar{
  width: 112px;
  height: 112px;
  border-radius: 999px;
  margin: 0 auto 18px;
  border: 3px solid rgba(255,255,255,.12);
  box-shadow: 0 10px 22px rgba(0,0,0,.35);
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    radial-gradient(circle at 30% 30%, rgba(255,255,255,.18), transparent 55%),
    radial-gradient(circle at 70% 80%, rgba(47,125,246,.35), transparent 55%),
    #111;
}


.title{
  margin: 0 0 10px;
  color: var(--text);
  font-size: 34px;
  line-height: 1.12;
  font-weight: 800;
}

.meta{
  color: var(--muted);
  font-size: 16px;
  margin-bottom: 16px;
}

.arrow{
  display:inline-grid;
  place-items:center;
  width: 36px;
  height: 36px;
  margin: 0 auto 24px;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.08);
  color: rgba(255,255,255,.85);
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height: 54px;
  width: min(320px, 90%);
  border-radius: 999px;
  background: var(--btn);
  color: #fff;
  font-weight: 800;
  letter-spacing: .6px;
  text-decoration:none;
  text-transform: uppercase;
  box-shadow: 0 14px 26px rgba(47,125,246,.35);
  transition: transform .12s ease, background .12s ease;
}
.btn:hover{ background: var(--btn-hover); }
.btn:active{ transform: translateY(1px) scale(.99); }

.avatarText{font-weight:900;color:rgba(255,255,255,.92);font-size:34px;}