:root {
  --primary: #E535AB; --primary-hover: #D61F96; --secondary: #F472B6;
  --accent: #06B6D4; --success: #10B981; --error: #EF4444;
  --bg: #0F0A14; --bg-elevated: #1A1024; --bg-card: #221830;
  --bg-input: #120D1A; --text: #F0E6F6; --text-muted: #A78BBF; --text-dim: #5E4578;
  --border: #2E1F42; --border-hover: #452E60; --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif; --transition: 200ms ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh;overflow:hidden}
.app{display:flex;flex-direction:column;height:100vh}

.header{display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:var(--bg-elevated);border-bottom:1px solid var(--border);gap:12px;flex-shrink:0}
.header-left{display:flex;align-items:center;gap:12px}
.logo{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:rgba(229,53,171,.1);border:1px solid rgba(229,53,171,.2);border-radius:var(--radius-sm)}
.header-title{font-size:1.05rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-right{display:flex;gap:8px}

.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;font-size:.8rem;font-weight:500;font-family:var(--font);border:none;border-radius:var(--radius-sm);cursor:pointer;transition:all var(--transition);white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;box-shadow:0 2px 8px rgba(229,53,171,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(229,53,171,.4)}
.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg-card);color:var(--text);border-color:var(--border-hover)}
.btn-sm{padding:5px 10px;font-size:.72rem}

.main{display:grid;grid-template-columns:1fr 1fr;flex:1;overflow:hidden;gap:1px;background:var(--border)}
.panel{display:flex;flex-direction:column;background:var(--bg);overflow:hidden;padding:16px;gap:10px}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:8px}
.panel-title{font-size:.82rem;font-weight:600;color:var(--text);white-space:nowrap}

.output-tabs{display:flex;gap:4px}
.tab-btn{padding:4px 10px;font-size:.7rem;font-family:var(--font);background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;transition:all var(--transition)}
.tab-btn.active{background:rgba(229,53,171,.15);border-color:var(--primary);color:var(--primary)}

.code-editor{flex:1;width:100%;padding:16px;font-family:'JetBrains Mono','Fira Code',monospace;font-size:.8rem;line-height:1.7;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--accent);resize:none;outline:none;tab-size:2}
.code-editor:focus{border-color:var(--primary)}
.code-editor::placeholder{color:var(--text-dim)}

.code-output{flex:1;overflow:auto;padding:16px;margin:0;font-family:'JetBrains Mono','Fira Code',monospace;font-size:.78rem;line-height:1.7;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--secondary);white-space:pre-wrap;word-break:break-word}

.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:10px 20px;background:var(--bg-card);border:1px solid var(--primary);border-radius:var(--radius-sm);color:var(--primary);font-size:.8rem;font-weight:500;z-index:200;animation:toast-in .3s ease}
@keyframes toast-in{from{opacity:0;transform:translateX(-50%) translateY(10px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
@media(max-width:768px){.main{grid-template-columns:1fr;grid-template-rows:1fr 1fr}.header{flex-wrap:wrap}}