.module-tutorial-button {
  min-height: 52px;
  border: 1px solid rgba(20, 77, 71, 0.22);
  border-radius: 14px;
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.86);
  color: #0d5f58;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  box-shadow: 0 8px 24px rgba(12, 67, 61, 0.08);
}

.module-tutorial-button:hover,
.module-tutorial-button:focus-visible {
  border-color: #18aa9c;
  background: #ffffff;
  outline: 3px solid rgba(41, 205, 188, 0.22);
  outline-offset: 2px;
}

.module-tutorial-backdrop {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: grid;
  place-items: center;
  padding: 24px;
  background: rgba(7, 42, 39, 0.56);
  backdrop-filter: blur(8px);
}

.module-tutorial-dialog {
  width: min(620px, 100%);
  max-height: min(760px, calc(100vh - 48px));
  overflow: auto;
  border: 1px solid rgba(15, 104, 95, 0.22);
  border-radius: 28px;
  padding: clamp(24px, 4vw, 38px);
  background: linear-gradient(145deg, #fffdf8, #f4fbf8);
  color: #143936;
  box-shadow: 0 30px 90px rgba(5, 42, 38, 0.3);
}

.module-tutorial-dialog__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.module-tutorial-dialog__eyebrow {
  margin: 0 0 7px;
  color: #078f82;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.module-tutorial-dialog h2 {
  margin: 0;
  color: #143936;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.02;
}

.module-tutorial-dialog__close {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  border: 1px solid rgba(15, 104, 95, 0.2);
  border-radius: 50%;
  background: #fff;
  color: #165f58;
  font: inherit;
  font-size: 1.4rem;
  cursor: pointer;
}

.module-tutorial-dialog__intro {
  margin: 16px 0 22px;
  color: #506e6a;
  font-size: 1.06rem;
  line-height: 1.55;
}

.module-tutorial-steps {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: tutorial-step;
}

.module-tutorial-steps li {
  counter-increment: tutorial-step;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 13px;
  align-items: center;
  min-height: 66px;
  padding: 12px 15px;
  border: 1px solid rgba(25, 144, 132, 0.16);
  border-radius: 17px;
  background: rgba(255, 255, 255, 0.82);
  font-size: 1rem;
  line-height: 1.4;
}

.module-tutorial-steps li::before {
  content: counter(tutorial-step);
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #20b9aa;
  color: #fff;
  font-weight: 900;
}

.module-tutorial-tip {
  margin: 18px 0;
  padding: 14px 16px;
  border-left: 4px solid #e2b94e;
  border-radius: 10px;
  background: #fff8df;
  color: #4d594f;
  line-height: 1.45;
}

.module-tutorial-start {
  width: 100%;
  min-height: 54px;
  border: 0;
  border-radius: 15px;
  background: linear-gradient(180deg, #54ddca, #24bbaa);
  color: #073b36;
  font: inherit;
  font-weight: 900;
  cursor: pointer;
}

.module-tutorial-karaoke-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.module-tutorial-karaoke-actions .module-tutorial-button {
  min-height: 42px;
  padding: 9px 13px;
}

body.module-tutorial-open {
  overflow: hidden;
}

@media (max-width: 760px) {
  .module-tutorial-backdrop { padding: 12px; }
  .module-tutorial-dialog { max-height: calc(100vh - 24px); border-radius: 22px; padding: 22px 18px; }
  .module-tutorial-button { min-height: 48px; }
  .module-tutorial-karaoke-actions { flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  .module-tutorial-backdrop { backdrop-filter: none; }
}