.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  width: 100%;
  min-height: 52px;
  padding: 0 var(--space-5);
  border: 1px solid transparent;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}
.button svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; transition: transform var(--transition); }
.button:hover svg { transform: translateX(2px); }
.button:active { transform: scale(.985); }
.button--primary { color: #fff; background: var(--color-primary); box-shadow: 0 7px 18px rgba(255, 100, 30, .18); }
.button--primary:hover { background: var(--color-primary-hover); transform: translateY(-1px); }
.button--primary:active { transform: scale(.985); }
.button--secondary { color: var(--color-primary-hover); background: var(--color-surface); border-color: var(--color-border); }
.button--secondary:hover { border-color: var(--color-primary); background: var(--color-primary-faint); }
.button--whatsapp { color: #fff; background: var(--color-whatsapp); box-shadow: 0 7px 18px rgba(37, 211, 102, .2); }
.button--whatsapp:hover { background: var(--color-whatsapp-hover); transform: translateY(-1px); }
.button--telegram { color: #fff; background: var(--color-telegram); box-shadow: 0 7px 18px rgba(34, 158, 217, .2); }
.button--telegram:hover { background: var(--color-telegram-hover); transform: translateY(-1px); }
.button__brand-icon { width: 27px; height: 27px; flex: 0 0 27px; object-fit: contain; }
.icon-button {
  display: grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  transition: background var(--transition), transform var(--transition);
}
.icon-button:hover { background: var(--color-primary-faint); }
.icon-button:active { transform: scale(.96); }
.icon-button svg { width: 21px; height: 21px; fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.topbar {
  display: flex;
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  align-items: center;
  gap: var(--space-3);
  min-height: 76px;
  padding: var(--space-4) var(--space-5) var(--space-3);
  padding: max(var(--space-4), env(safe-area-inset-top)) var(--space-5) var(--space-3);
  border-bottom: 1px solid var(--color-border-soft);
  background: rgba(250, 250, 251, .92);
}
.topbar > :nth-child(2) { flex: 1 1 auto; }
.topbar > span:not(.topbar__spacer), .topbar h1 { font-size: 16px; font-weight: 700; text-align: center; }
.topbar .topbar__brand { display: flex; align-items: center; justify-content: center; }
.topbar--transparent { border-bottom: 0; background: transparent; }
.brand-logo { display: block; width: auto; object-fit: contain; }
.brand-logo--topbar { max-width: 116px; height: 28px; }
.service-logo { display: block; object-fit: contain; }
.service-logo--topbar { width: 31px; height: 31px; }
.avatar { position: relative; }
.avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; background: var(--color-primary-soft); }
.avatar--profile { width: 104px; height: 104px; padding: 4px; border: 1.5px solid var(--color-primary); border-radius: 50%; background: var(--color-surface); box-shadow: 0 10px 30px rgba(23,23,23,.08); }
.verified { position: absolute; right: -2px; bottom: 5px; display: grid; width: 29px; height: 29px; place-items: center; border: 3px solid var(--color-surface); border-radius: 50%; color: #fff; background: var(--color-primary); }
.verified svg { width: 19px; height: 19px; fill: var(--color-primary); stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 2; }
.price-card { padding: var(--space-4) var(--space-5); border: 1px solid #ffe1d3; border-radius: var(--radius-lg); background: var(--color-primary-faint); text-align: center; }
.price-card > span { color: var(--color-primary-hover); font-size: 10px; font-weight: 700; letter-spacing: .14em; }
.price { display: flex; align-items: flex-start; justify-content: center; margin-top: 2px; line-height: 1; }
.price small { margin: 5px 5px 0 0; font-size: 16px; font-weight: 700; }
.price strong { font-size: 34px; letter-spacing: -.045em; }
.price-card p { margin-top: var(--space-1); color: var(--color-text-secondary); font-size: 13px; }
.trust-line { display: flex; align-items: center; justify-content: center; gap: var(--space-2); color: var(--color-success); font-size: 13px; font-weight: 600; }
.trust-line svg { width: 21px; height: 21px; fill: rgba(34,160,107,.12); stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }
.toast { position: fixed; z-index: 10; left: 50%; bottom: var(--space-5); bottom: max(var(--space-5), env(safe-area-inset-bottom)); width: calc(100% - 40px); max-width: 390px; padding: var(--space-3) var(--space-4); transform: translateX(-50%); border-radius: var(--radius-sm); color: #fff; background: var(--color-text); box-shadow: var(--shadow-card); font-size: 13px; text-align: center; animation: toast-in 180ms ease both; }
@supports not (gap: 1rem) {
  .button > * + *, .trust-line > * + *, .security-note__title > * + * { margin-left: var(--space-2); }
}
.toast code { color: #ffb28e; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, 6px); } }