@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--bg:#111118;--surface:#1C1C28;--surface2:#2A2A3A;--text:#E0E0E8;--text-dim:#7A7A8E;--border:#2E2E42;--primary:#10B981;--font:'Inter',system-ui,sans-serif}
html{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6}
body{min-height:100vh;display:flex;flex-direction:column}
.header{padding:.65rem 1rem;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border)}
.header h1{font-size:.95rem;font-weight:800;background:linear-gradient(135deg,var(--primary),#22D3EE);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.btn{padding:.3rem .6rem;border-radius:8px;font-size:.68rem;font-weight:600;cursor:pointer;border:none;transition:all .15s;font-family:var(--font)}
.btn-p{background:var(--primary);color:#fff}.btn-p:hover{opacity:.85}
.btn-g{background:transparent;border:1px solid var(--border);color:var(--text-dim)}.btn-g:hover{background:var(--surface2);color:var(--text)}
.btn-sm{padding:.15rem .35rem;font-size:.6rem}
.main{flex:1;max-width:750px;margin:0 auto;width:100%;padding:1rem;display:flex;flex-direction:column;gap:.5rem}
.tabs{display:flex;gap:.2rem;flex-wrap:wrap}
.tab{padding:.25rem .5rem;border-radius:8px;font-size:.65rem;font-weight:600;cursor:pointer;border:1px solid var(--border);background:transparent;color:var(--text-dim);transition:all .15s;font-family:var(--font)}
.tab.active{background:rgba(16,185,129,.1);border-color:var(--primary);color:var(--primary)}
.config-area{display:grid;grid-template-columns:1fr 1fr;gap:.5rem}
.options{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:.5rem;display:flex;flex-direction:column;gap:.3rem;overflow-y:auto;max-height:400px}
.opt{display:flex;align-items:center;justify-content:space-between;gap:.3rem;padding:.2rem .3rem;border-bottom:1px solid rgba(46,46,66,.5);font-size:.65rem}
.opt label{color:var(--text-dim);font-weight:600}
.opt select,.opt input[type="text"],.opt input[type="number"]{padding:.2rem .3rem;border-radius:6px;border:1px solid var(--border);background:var(--surface2);color:var(--text);font-size:.65rem;font-family:var(--font);outline:none}
.opt input[type="checkbox"]{accent-color:var(--primary)}
.preview-wrap{background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden;display:flex;flex-direction:column}
.preview-hd{padding:.3rem .5rem;background:var(--surface2);border-bottom:1px solid var(--border);font-size:.62rem;font-weight:700;color:var(--text-dim);display:flex;align-items:center;gap:.3rem}
pre.preview{flex:1;padding:.4rem;font-family:'Courier New',monospace;font-size:.68rem;color:var(--primary);overflow:auto;margin:0;white-space:pre-wrap;line-height:1.5}
.toast{position:fixed;bottom:1.5rem;right:1.5rem;background:var(--surface);border:1px solid var(--primary);color:var(--primary);padding:.4rem .8rem;border-radius:8px;font-size:.72rem;z-index:200;transform:translateY(80px);opacity:0;transition:all .3s}
.toast.show{transform:translateY(0);opacity:1}
@media(max-width:600px){.config-area{grid-template-columns:1fr}}