* { box-sizing: border-box; }

body { margin: 0; }
button,
input,
select { font: inherit; }
button { cursor: pointer; }

.space-shell {
  width: min(100%, 860px);
  margin: 0 auto;
  padding: max(22px, env(safe-area-inset-top)) 16px calc(112px + env(safe-area-inset-bottom));
}

.page-header,
.section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
}

.page-header { margin-bottom: 18px; }
.page-header p,
.section-heading p,
.eyebrow {
  margin: 0 0 5px;
  color: var(--theme-color-text-muted);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .16em;
}

.page-header h1,
.preview-card h2,
.section-heading h2 {
  margin: 0;
  font-family: "Songti SC", "STSong", var(--theme-font-family);
  font-weight: 600;
}

.page-header h1 { font-size: clamp(28px, 8vw, 40px); letter-spacing: .08em; }
.page-header > span {
  padding: 8px 11px;
  border: 1px solid var(--theme-color-border);
  border-radius: 999px;
  color: var(--theme-color-text-muted);
  background: var(--theme-color-surface-soft);
  font-size: 10px;
}

.preview-card,
.studio-card {
  border-radius: 28px;
  backdrop-filter: blur(18px);
}

.preview-card {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 22px;
  min-height: 230px;
  padding: 28px;
  overflow: hidden;
}

.preview-card::after {
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(var(--theme-background-overlay), var(--theme-background-overlay)),
    var(--theme-background-image);
  background-position: var(--theme-background-position);
  background-size: var(--theme-background-size);
  content: "";
}

.moon {
  position: absolute;
  top: 22px;
  right: 28px;
  z-index: -1;
  width: 82px;
  height: 82px;
  border-radius: 50%;
  background: rgba(226, 205, 239, .16);
  box-shadow: 0 0 45px rgba(203, 167, 226, .2);
}

.avatar-stage { min-width: 96px; }
.preview-card h2 { font-size: clamp(23px, 6vw, 31px); }
.preview-card div > p:last-child {
  margin: 10px 0 0;
  color: var(--theme-color-text-muted);
  font-size: 12px;
  line-height: 1.7;
}

.studio-card { margin-top: 18px; padding: 22px; }
.section-heading { margin-bottom: 18px; }
.section-heading h2 { font-size: 22px; }

.section-heading button,
fieldset button,
.file-control {
  min-height: 40px;
  padding: 0 13px;
  border: 1px solid var(--theme-color-border);
  border-radius: 13px;
  color: var(--theme-color-text);
  background: var(--theme-color-surface-soft);
}

.settings-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

fieldset {
  display: grid;
  gap: 11px;
  min-width: 0;
  margin: 0;
  padding: 15px;
  border: 1px solid var(--theme-color-border);
  border-radius: 18px;
}

legend {
  padding: 0 6px;
  color: var(--theme-color-text-muted);
  font-size: 11px;
  font-weight: 700;
}

label {
  display: grid;
  gap: 6px;
  color: var(--theme-color-text-muted);
  font-size: 10px;
}

input[type="text"],
input[type="url"],
select {
  width: 100%;
  min-height: 40px;
  padding: 0 11px;
  border: 1px solid var(--theme-color-border);
  border-radius: 12px;
  outline: none;
  color: var(--theme-color-text);
  background: var(--theme-color-surface-soft);
}

input:focus,
select:focus,
button:focus-visible {
  outline: 3px solid var(--theme-color-focus);
  border-color: var(--theme-color-primary);
}

.file-control {
  display: grid;
  place-items: center;
}

.file-control input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.segmented,
.button-row,
.crop-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 7px;
}

.segmented { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.segmented button.is-active {
  color: #fff;
  background: var(--theme-color-primary-strong);
}

.space-status {
  min-height: 18px;
  margin: 12px 0 0;
  color: var(--theme-color-text-muted);
  font-size: 11px;
  text-align: center;
}

.space-status.is-error { color: var(--theme-color-danger); }

@media (max-width: 620px) {
  .settings-grid { grid-template-columns: 1fr; }
  .preview-card { grid-template-columns: 1fr; }
}

@media (max-width: 359px) {
  .space-shell { padding-right: 11px; padding-left: 11px; }
  .preview-card,
  .studio-card { padding: 17px; border-radius: 22px; }
  .page-header { align-items: center; }
  .segmented { grid-template-columns: 1fr; }
}