:root{
  --bg:#0b0f16;
  --bg2:#121826;
  --panel:#131a24;
  --panel2:#1a2231;
  --line:#2a3447;
  --text:#e8edf7;
  --muted:#9aabc4;
  --accent:#6f86ff;
  --accent2:#9b5cff;
  --danger:#ef4444;
  --ok:#22c55e;
  --shadow:0 12px 30px rgba(0,0,0,.28);
}

html[data-theme="default"]{
  --bg:#0b0f16;
  --bg2:#121826;
  --panel:#131a24;
  --panel2:#1a2231;
  --line:#2a3447;
  --text:#e8edf7;
  --muted:#9aabc4;
  --accent:#6f86ff;
  --accent2:#9b5cff;
}

html[data-theme="neon"]{
  --bg:#08110d;
  --bg2:#0f1d18;
  --panel:#102019;
  --panel2:#162921;
  --line:#2e4f40;
  --text:#e7fff5;
  --muted:#9ed9be;
  --accent:#15d17a;
  --accent2:#06b6d4;
}

html[data-theme="sakura"]{
  --bg:#170d14;
  --bg2:#25131d;
  --panel:#281722;
  --panel2:#341d2a;
  --line:#5a3145;
  --text:#fff0f6;
  --muted:#ddb2c3;
  --accent:#ff6fa8;
  --accent2:#c084fc;
}

html[data-theme="amber"]{
  --bg:#17110a;
  --bg2:#23180e;
  --panel:#2b1d12;
  --panel2:#352317;
  --line:#60452b;
  --text:#fff4e7;
  --muted:#d7bb94;
  --accent:#f59e0b;
  --accent2:#d97706;
}

*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  background:linear-gradient(180deg,var(--bg),var(--bg2));
  color:var(--text);
  font-family:ui-sans-serif,system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif
}
button,input,textarea,select{font:inherit}
button{
  cursor:pointer;
  border:none;
  border-radius:12px;
  padding:10px 14px;
  background:linear-gradient(90deg,var(--accent),var(--accent2));
  color:#fff;
  font-weight:700;
  transition:.18s ease;
}
button:hover{transform:translateY(-1px)}
button.secondary{background:var(--panel2);border:1px solid var(--line)}
button.danger{background:var(--danger)}
input,textarea,select{
  width:100%;
  background:var(--panel2);
  border:1px solid var(--line);
  color:var(--text);
  border-radius:12px;
  padding:10px 12px;
  outline:none
}
textarea{min-height:110px;resize:vertical;line-height:1.55}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}

.toast-container{
  position:fixed;
  top:18px;
  right:18px;
  z-index:9999;
  display:flex;
  flex-direction:column;
  gap:10px;
  pointer-events:none;
}
.toast{
  min-width:200px;
  max-width:360px;
  padding:12px 14px;
  border-radius:14px;
  background:rgba(19,26,36,.96);
  color:var(--text);
  border:1px solid var(--line);
  box-shadow:var(--shadow);
  opacity:0;
  transform:translateY(-8px);
  transition:all .25s ease;
}
.toast.show{
  opacity:1;
  transform:translateY(0);
}
.toast.success{border-left:4px solid var(--ok)}
.toast.error{border-left:4px solid var(--danger)}
.toast.info{border-left:4px solid var(--accent)}

.app-shell{
  display:grid;
  grid-template-columns:320px 1fr;
  min-height:100vh;
}
.sidebar{
  border-right:1px solid var(--line);
  background:rgba(12,17,25,.88);
  padding:18px;
  position:sticky;
  top:0;
  height:100vh;
  overflow:auto;
}
.brand{display:flex;gap:12px;align-items:center;margin-bottom:18px}
.brand-mark{
  width:48px;height:48px;border-radius:16px;
  display:grid;place-items:center;
  font-size:22px;font-weight:900;
  background:linear-gradient(135deg,var(--accent),var(--accent2));
}
.brand h1{font-size:18px;margin:0}
.brand p{margin:4px 0 0;color:var(--muted);font-size:12px}

.side-card{
  background:rgba(19,26,36,.95);
  border:1px solid var(--line);
  border-radius:18px;
  padding:14px;
  margin-bottom:14px;
  box-shadow:var(--shadow)
}
.side-title{font-weight:800;margin-bottom:10px}
.side-actions{display:flex;gap:8px;flex-wrap:wrap}
.side-actions.vertical{flex-direction:column}
.character-list{display:flex;flex-direction:column;gap:8px;margin-top:12px}
.character-item{
  padding:10px 12px;
  border:1px solid var(--line);
  border-radius:12px;
  background:var(--panel2);
  cursor:pointer;
  transition:.18s ease;
}
.character-item:hover{transform:translateY(-1px)}
.character-item.active{outline:2px solid var(--accent)}
.character-item .name{font-weight:700}
.character-item .meta{font-size:12px;color:var(--muted);margin-top:4px}
.tiny{font-size:12px;color:var(--muted);margin-bottom:10px}

.main{padding:20px;display:flex;flex-direction:column;gap:18px}
.panel{
  background:rgba(19,26,36,.94);
  border:1px solid var(--line);
  border-radius:22px;
  box-shadow:var(--shadow);
  overflow:hidden
}
.panel-header{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  background:linear-gradient(90deg,rgba(255,255,255,.06),rgba(255,255,255,.02))
}
.panel-header h2{margin:0;font-size:18px}
.panel-header p{margin:4px 0 0;color:var(--muted);font-size:13px}
.header-actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.status{
  display:inline-flex;
  padding:8px 12px;
  border-radius:999px;
  background:var(--panel2);
  border:1px solid var(--line);
  color:var(--muted);
  font-size:12px
}
.form-grid{
  padding:16px;
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:14px
}
.full{grid-column:1/-1}

.preview-panel .preview-wrap{padding:18px}
.card-preview{
  position:relative;
  width:100%;
  max-width:900px;
  min-height:560px;
  border-radius:28px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#0c1017;
}
.card-bg{
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,.08), transparent 24%),
    radial-gradient(circle at 80% 10%, rgba(255,255,255,.06), transparent 22%),
    linear-gradient(135deg,#111827,#0b0f16 60%, #121a29);
}
.card-content{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:260px 1fr;
  gap:22px;
  padding:24px
}
.avatar-box{
  width:100%;
  aspect-ratio:3/4;
  border-radius:22px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
  background:#131926;
  display:flex;
  align-items:center;
  justify-content:center
}
.avatar-box img{
  width:100%;
  height:100%;
  object-fit:cover;
  display:none
}
.card-meta{display:flex;flex-direction:column}
.card-title-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.card-title-row h3{margin:0;font-size:34px}
.badge{
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.10);
  color:#dbe4f3;
  border-radius:999px;
  padding:6px 10px;
  font-size:12px
}
.summary{
  margin-top:10px;
  color:#d4dded;
  font-size:16px;
  line-height:1.6
}
.tags{display:flex;gap:8px;flex-wrap:wrap;margin-top:12px}
.tag{
  display:inline-flex;
  border-radius:999px;
  padding:6px 10px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  color:#c8d3e6;
  font-size:12px
}
.sections{display:grid;gap:12px;margin-top:18px}
.section{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.08);
  border-radius:16px;
  padding:14px
}
.section-title{font-size:13px;color:#aebcd4;margin-bottom:8px;font-weight:700}
.section-body{
  white-space:pre-wrap;
  word-break:break-word;
  line-height:1.6;
  color:#edf2fa;
  font-size:14px
}

.json-preview{
  margin:0;
  padding:16px;
  background:#0d1117;
  color:#dce7f5;
  min-height:360px;
  white-space:pre-wrap;
  word-break:break-word
}

@media (max-width: 1080px){
  .app-shell{grid-template-columns:1fr}
  .sidebar{
    position:static;
    height:auto;
    border-right:none;
    border-bottom:1px solid var(--line)
  }
}
@media (max-width: 800px){
  .form-grid{grid-template-columns:1fr}
  .card-content{grid-template-columns:1fr}
  .card-title-row h3{font-size:28px}
  .toast-container{
    left:12px;
    right:12px;
    top:12px;
  }
  .toast{
    max-width:none;
    width:100%;
  }
}