* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #000);
  padding: 20px; min-height: 100vh;
}
.header { text-align: center; margin-bottom: 22px; }
.header h1 { font-size: 22px; }
.header p { color: var(--tg-theme-hint-color, #888); font-size: 13px; margin-top: 4px; }
.card {
  background: var(--tg-theme-secondary-bg-color, #f2f2f2);
  border-radius: 14px; padding: 18px; margin-bottom: 14px;
}
label { font-size: 13px; font-weight: 600; display: block; margin-bottom: 6px; }
input {
  width: 100%; padding: 12px 14px; border-radius: 10px; font-size: 15px;
  border: 1px solid var(--tg-theme-hint-color, #ccc);
  background: var(--tg-theme-bg-color, #fff);
  color: var(--tg-theme-text-color, #000);
  margin-bottom: 14px; outline: none;
}
input:focus { border-color: var(--tg-theme-button-color, #2481cc); }
.btn {
  width: 100%; padding: 14px; border: none; border-radius: 10px;
  background: var(--tg-theme-button-color, #2481cc);
  color: var(--tg-theme-button-text-color, #fff);
  font-size: 16px; font-weight: 600; cursor: pointer;
}
.btn:disabled { opacity: 0.6; cursor: wait; }
.btn.secondary {
  background: transparent; color: var(--tg-theme-button-color, #2481cc);
  border: 1.5px solid var(--tg-theme-button-color, #2481cc); margin-top: 10px;
}
.error { color: #e53935; font-size: 13px; min-height: 18px; margin: 6px 0; }
.success-msg { color: #4caf50; font-size: 13px; min-height: 18px; margin: 6px 0; }
.hint { font-size: 12px; color: var(--tg-theme-hint-color, #888); line-height: 1.6; margin-top: 10px; }
.ref {
  font-family: monospace; font-size: 13px; background: rgba(128,128,128,.15);
  padding: 8px 10px; border-radius: 8px; margin-bottom: 6px; word-break: break-all;
}
.ok { border-left: 4px solid #4caf50; }
.err-card { border-left: 4px solid #e53935; }
.result-title { font-weight: 700; margin-bottom: 8px; }
.loading-wrap { display: flex; flex-direction: column; align-items: center; padding: 50px 0; color: var(--tg-theme-hint-color, #888); }
.spinner {
  width: 32px; height: 32px; border: 3px solid rgba(128,128,128,.2);
  border-top-color: var(--tg-theme-button-color, #2481cc);
  border-radius: 50%; animation: spin .8s linear infinite; margin-bottom: 12px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- 🆕 Admin panel related (generate page) ---- */
.banner-warn {
  background: rgba(255,91,91,.12); border: 1px solid rgba(255,91,91,.4);
  color: #ff6b6b; border-radius: 10px; padding: 10px 14px;
  font-size: 13px; margin-bottom: 14px; text-align: center;
}
.link-btn {
  background: none; border: none; color: var(--tg-theme-hint-color, #888);
  font-size: 13px; text-decoration: underline; cursor: pointer;
  margin-top: 12px; width: 100%; padding: 8px;
}