.btn {
  position: relative;
  overflow: hidden;
  border: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 56px;
  padding: 16px 24px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  font-size: var(--fs-btn);
  font-weight: var(--fw-btn);
  line-height: 1.125;
  border: 1px solid transparent;
  transition:
    background-color 0.25s ease,
    color 0.25s ease,
    border-color 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.btn:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

.btn:active {
  transform: translateY(1px);
}

.btn--primary {
  background: var(--accent);
  color: var(--btn-primary-text);
  border-color: transparent;
}

.btn--primary:hover {
  background: var(--btn-primary-hover-bg);
  color: var(--btn-primary-hover-text);
  border-color: var(--btn-primary-hover-bg);
  box-shadow: var(--shadow-soft);
}

.btn--primary:active {
  background: var(--btn-primary-active-bg);
  color: var(--btn-primary-active-text);
}

.btn--secondary {
  background: var(--btn-secondary-bg);
  color: var(--text-primary);
  border-color: var(--btn-secondary-border);
}

.btn--secondary:hover {
  background: var(--btn-secondary-bg-hover);
  box-shadow: var(--shadow-soft);
}

html[data-theme="light"] .btn--secondary {
  color: #111111;
}

html[data-theme="light"] .btn--secondary:active {
  background: #d9d9d9;
}

html[data-theme="light"] .btn--primary {
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    transform 0.1s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.btn--full {
  width: 100%;
  min-height: 52px;
}

@media (max-width: 767px) {
  .btn {
    min-height: 54px;
  }
}