:root {
  --bg: #0b0d10;
  --card: #12151a;
  --text: #e9eef5;
  --muted: #9aa7b5;
  --btn: #2b6fff;
  --btn2: #273040;
  --radius: 16px;
}

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

.wrap {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 16px;
}

.top {
  position: sticky;
  top: 0;
  background: rgba(11,13,16,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  z-index: 10;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
}

.logo {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2b6fff, #6d2bff);
  display: grid;
  place-items: center;
  font-weight: 700;
  font-size: 12px;
}

.meta .h1 { font-weight: 700; font-size: 16px; }
.meta .h2 { color: var(--muted); font-size: 13px; margin-top: 2px; }

.coords { margin-left: auto; }

.card {
  background: var(--card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius);
  padding: 14px;
  margin-top: 16px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}

.progress {
  display: flex;
  justify-content: center;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.slider {
  width: 100%;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.06);
  min-height: 220px;
  display: grid;
  place-items: center;
}

.slider img {
  width: 100%;
  height: auto;
  display: block;
}

.text {
  margin-top: 12px;
  padding: 6px 2px;
}

.stepText {
  font-size: 15px;
  line-height: 1.45;
}

.controls {
  display: flex;
  gap: 10px;
  margin-top: 14px;
}

.btn {
  flex: 1;
  border: 0;
  border-radius: 12px;
  padding: 12px 14px;
  background: var(--btn);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.btn-secondary {
  background: var(--btn2);
  color: var(--text);
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.footer {
  margin-top: 14px;
  text-align: center;
  color: var(--muted);
}

.small { font-size: 12px; }