*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:  #ffffff;
  --bg2: #f4f4f4;
  --bg3: #eaeaea;
  --tx:  #111111;
  --tx2: #555555;
  --bd:  rgba(0,0,0,0.12);
  --bd2: rgba(0,0,0,0.25);
  --r:   8px;
  --r2:  12px;
  --accent: #2a9d5c;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg:#1b1b1b; --bg2:#252525; --bg3:#2e2e2e;
    --tx:#f0f0f0; --tx2:#999;
    --bd:rgba(255,255,255,0.1); --bd2:rgba(255,255,255,0.22);
  }
}

html, body { min-height: 100vh; background: var(--bg3); color: var(--tx); }
body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif; }
#root { min-height: 100vh; }

.wrap {
  max-width: 980px; margin: 0 auto;
  padding: 1.75rem 1.25rem 3rem;
  background: var(--bg); min-height: 100vh;
}

h2 { font-size: 20px; font-weight: 500; color: var(--tx); }

input[type=range]    { width: 100%; accent-color: var(--tx); cursor: pointer; display: block; }
input[type=checkbox] { cursor: pointer; accent-color: var(--tx); }
input[type=text] {
  width: 100%; padding: 8px 10px;
  border: 0.5px solid var(--bd2); border-radius: var(--r);
  background: var(--bg); color: var(--tx); font-size: 13px;
  outline: none; font-family: inherit;
}
input[type=text]:focus { border-color: var(--tx); }

button {
  font-family: inherit; border: 0.5px solid var(--bd2); border-radius: var(--r);
  background: transparent; color: var(--tx); cursor: pointer; transition: background .13s;
}
button:hover   { background: var(--bg2); }
button:active  { transform: scale(.98); }
button:disabled { opacity: .5; cursor: default; }

/* ── Tabs ── */
.tab-bar { display: flex; border-bottom: 0.5px solid var(--bd); margin-bottom: 1.75rem; }
.tab {
  border: none; border-bottom: 2px solid transparent; border-radius: 0;
  padding: 9px 18px; font-size: 13px; margin-bottom: -1px;
  display: flex; align-items: center; gap: 5px;
}
.tab.on  { border-bottom-color: var(--tx); font-weight: 500; }
.tab:hover { background: transparent; }

/* ── Upload zone ── */
.upload-zone {
  border: 1.5px dashed var(--bd2); border-radius: var(--r2);
  padding: 2.75rem 2rem;
  display: flex; flex-direction: column; align-items: center; gap: 10px;
  cursor: pointer; transition: background .13s, border-color .13s; text-align: center;
  margin-bottom: 1.75rem;
}
.upload-zone:hover, .upload-zone.over { background: var(--bg2); border-color: var(--tx); }

/* ── Orientation buttons ── */
.ori-btn { padding: 7px 18px; border-radius: var(--r); font-size: 13px; cursor: pointer; }
.ori-btn.on { border: 2px solid var(--tx); background: var(--bg2); font-weight: 500; }

/* ── Enhancement cards ── */
.ecard { padding: 9px 11px; border-radius: var(--r); margin-bottom: 6px; cursor: pointer; border: 0.5px solid var(--bd); transition: border .13s, background .13s; }
.ecard.on { border: 1.5px solid var(--bd2); background: var(--bg2); }
.ecard .et { font-size: 13px; margin: 0 0 2px; }
.ecard .es { font-size: 11px; color: var(--tx2); margin: 0; }

/* ── Summary ── */
.summary { background: var(--bg2); border-radius: 10px; padding: 1rem 1.25rem; margin-bottom: 1.5rem; }

/* ── Download grid ── */
.dl-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(195px, 1fr)); gap: 10px; margin-bottom: 1.5rem; }
.dl-btn  { padding: 11px 14px; border-radius: 9px; font-size: 12px; font-weight: 500; text-align: center; }

/* ── Layouts ── */
.edit-wrap   { display: flex; gap: 2rem; flex-wrap: wrap; }
.edit-ctrl   { flex: 1 1 220px; min-width: 210px; }
.edit-canvas { flex: 2 1 300px; display: flex; flex-direction: column; align-items: center; gap: 10px; }
.prev-wrap   { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; margin-bottom: 2rem; }

hr.div { border: none; border-top: 0.5px solid var(--bd); margin: .9rem 0; }

.row  { display: flex; align-items: center; gap: 8px; }
.rowb { display: flex; align-items: center; justify-content: space-between; }
.smc  { font-size: 12px; color: var(--tx2); }
.smb  { font-size: 12px; font-weight: 500; }
.sm   { font-size: 12px; }
.head { font-size: 13px; font-weight: 500; margin: 0 0 .65rem; }
.chk  { display: flex; align-items: center; gap: 7px; font-size: 12px; cursor: pointer; margin-bottom: 6px; }
.note { font-size: 11px; color: var(--tx2); }

/* ── App header ── */
.app-hdr     { display: flex; align-items: center; gap: 13px; margin-bottom: 1.35rem; }
.app-hdr img { width: 54px; height: 54px; object-fit: contain; }
.app-hdr .sub{ font-size: 11px; color: var(--tx2); margin-bottom: 3px; }

/* ── Footer preview strip ──
   Black bar, flat white icons, text vertically centred beside each icon */
.foot-prev {
  background: #000;
  border-radius: 10px;
  display: flex;
  margin-bottom: 1.75rem;
  overflow: hidden;
  height: 52px;
}
.foot-item {
  flex: 1;
  display: flex;
  align-items: center;      /* vertical centre */
  gap: 10px;
  padding: 0 16px;
}
.foot-item + .foot-item {
  border-left: 1px solid rgba(255,255,255,0.14);
}
/* flat white icon */
.foot-item svg {
  width: 22px; height: 22px;
  flex-shrink: 0;
  fill: #ffffff;
}
.foot-item span {
  font-size: 11.5px;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1;   /* keeps text on one line, vertically centred by flex */
}