:root{
  --bg:#0b0d10;
  --card:#12151b;
  --card2:#0f1318;
  --text:#e8edf5;
  --muted:#9aa6b2;
  --line:#222a33;
  --radius:18px;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Noto Sans,sans-serif;
  background:linear-gradient(180deg,#07090c 0%, #0b0d10 100%);
  color:var(--text);
}

a{color:inherit}
.container{max-width:1100px;margin:0 auto;padding:18px}
.site-header{
  border-bottom:1px solid var(--line);
  position:sticky; top:0;
  background:rgba(11,13,16,.78);
  backdrop-filter: blur(10px);
  z-index:50;
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.brand{font-weight:900;text-decoration:none;letter-spacing:.2px}
.nav{display:flex;gap:12px;flex-wrap:wrap}
.nav-link{text-decoration:none;color:var(--muted);font-weight:700;font-size:14px}
.nav-link:hover{color:var(--text)}
.site-main{min-height:70vh}

.site-footer{border-top:1px solid var(--line); margin-top:32px}
.footer-inner{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;flex-wrap:wrap}
.footer-links{display:flex;gap:14px;flex-wrap:wrap}
.footer-links a{color:var(--muted);text-decoration:none}
.footer-links a:hover{color:var(--text)}

.card{
  background:linear-gradient(180deg, rgba(18,21,27,1) 0%, rgba(15,19,24,1) 100%);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:0 10px 30px rgba(0,0,0,.35);
}
.card-soft{
  background:rgba(255,255,255,.03);
  border:1px solid var(--line);
  border-radius:14px;
  padding:14px;
}
.mt16{margin-top:16px}

.h1{font-size:28px;margin:0 0 8px}
.muted{color:var(--muted)}
.small{font-size:13px}

.content-wrap{display:flex;flex-direction:column;gap:14px}
.prose{line-height:1.65; color:rgba(232,237,245,.92)}
.prose p{margin:0 0 12px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  padding:10px 14px;
  border:1px solid rgba(255,255,255,.12);
  background:rgba(255,255,255,.08);
  color:var(--text);
  text-decoration:none;
  cursor:pointer;
  font-weight:750;
  line-height:1;
  transition:transform .06s ease, background .2s ease, border-color .2s ease, opacity .2s ease;
}
.btn:hover{background:rgba(255,255,255,.12)}
.btn:active{transform:translateY(1px)}
.btn-ghost{background:transparent}
.btn-ghost:hover{background:rgba(255,255,255,.06)}

.sep{border:none;border-top:1px solid var(--line); margin:16px 0}

.tools-grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap:16px;
  margin-top:14px;
}
@media (max-width: 900px){
  .tools-grid{grid-template-columns:1fr}
}

.tabs{display:flex;gap:8px;flex-wrap:wrap}
.tab{
  padding:9px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(255,255,255,.04);
  color:var(--muted);
  cursor:pointer;
  font-weight:850;
  font-size:13px;
}
.tab.is-active{
  color:var(--text);
  border-color:rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
}

.uploader{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.tabpanes{display:block}
.pane{display:none; margin-top:8px}
.pane.is-active{display:block}

.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media (max-width: 520px){ .grid2{grid-template-columns:1fr} }

.form-row{display:flex;flex-direction:column;gap:6px;margin:10px 0}
label{font-weight:800;font-size:13px;color:rgba(232,237,245,.88)}
input[type="number"], input[type="text"], select, textarea{
  padding:10px 12px;
  border-radius:12px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.25);
  color:var(--text);
  outline:none;
}
input[type="range"]{width:100%}

.check{display:flex;gap:10px;align-items:center;color:var(--muted);font-weight:700;margin-top:8px}
.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:10px}

.preview-header{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.preview-canvas{
  width:100%;
  max-width:100%;
  border-radius:16px;
  border:1px solid var(--line);
  background:rgba(0,0,0,.25);
  min-height:280px;
}

.crop-stage{display:none}
.crop-frame{
  width:100%;
  max-width:520px;
  aspect-ratio: 1 / 1;
  border-radius:16px;
  border:1px solid var(--line);
  overflow:hidden;
  background:rgba(0,0,0,.25);
  position:relative;
}
.crop-img{
  position:absolute;
  inset:0;
  background-size: cover;
  background-repeat:no-repeat;
  background-position:center;
  transform: translate(0px,0px) scale(1);
  cursor:grab;
  touch-action:none;
}
.crop-img:active{cursor:grabbing}

.download{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
}

.notice.ok{
  background: rgba(0,255,140,.08);
  border: 1px solid rgba(0,255,140,.18);
  padding:10px 12px;
  border-radius:12px;
}