/* =========================================================================
   DivoDivo — дизайн-система «Персиковое облако»
   Слой 2: каркас страницы
   ========================================================================= */

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

.sidebar {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 26px 18px;
  position: sticky;
  top: 0;
  align-self: start;
  height: 100vh;
  overflow-y: auto;
}

.page-content {
  padding: 26px 30px 40px;
}

.page-content--split,
.page-content--photo {
  display: grid;
  grid-template-columns: minmax(0, 440px) minmax(0, 1fr);
  gap: 20px;
  padding: 24px 26px 40px;
}

.page-content--profile,
.page-content--payments {
  padding: 26px 30px 44px;
}

.page-content--video {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
}

.creation-panel,
.results-panel,
.blank-stage {
  min-height: calc(100vh - 64px);
}

.blank-stage {
  border-left: 0;
}

/* --- рабочий стол: боковая панель как «парящая» карточка --- */
@media (min-width: 981px) {
  .app-shell {
    grid-template-columns: 312px minmax(0, 1fr);
    gap: 0;
    padding: 18px 18px 18px 0;
  }

  .sidebar {
    margin: 0 0 0 18px;
    padding: 26px 20px;
    height: calc(100vh - 36px);
    top: 18px;
    border-radius: var(--r-xl);
  }

  .page-content,
  .page-content--profile,
  .page-content--payments {
    padding: 4px 24px 34px 26px;
  }

  .page-content--split,
  .page-content--photo {
    padding: 4px 24px 34px 26px;
    gap: 22px;
  }
}

@media (min-width: 1500px) {
  .app-shell {
    grid-template-columns: 328px minmax(0, 1fr);
  }

  .page-content--split,
  .page-content--photo {
    grid-template-columns: minmax(0, 500px) minmax(0, 1fr);
    gap: 24px;
  }
}

@media (max-width: 1200px) {
  .feature-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 980px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    height: auto;
    overflow: visible;
    border-right: 0;
  }

  .page-content--split,
  .page-content--photo {
    grid-template-columns: 1fr;
  }

  .blank-stage {
    min-height: 320px;
    border-left: 0;
  }

  .creation-panel,
  .results-panel {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .sidebar {
    gap: 16px;
    padding: 18px 14px;
  }

  .page-content,
  .page-content--split,
  .page-content--photo,
  .page-content--profile,
  .page-content--payments,
  .page-content--video,
  .page-content--legal {
    padding: 14px;
  }

  .page-content--split,
  .page-content--photo {
    gap: 14px;
  }

  .creation-panel,
  .results-panel,
  .blank-stage {
    min-height: auto;
  }
}