@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{--primary:#6366F1;--secondary:#818CF8;--accent:#22D3EE;--bg:#0F0F1A;--surface:#1A1A2E;--surface2:#25254B;--text:#E0E0FF;--text-dim:#8888AA;--border:#2D2D5A;--success:#22C55E;--error:#EF4444;--radius:12px;--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:.75rem 1.25rem;border-bottom:1px solid var(--border);text-align:center}
.header h1{font-size:1rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.main{flex:1;display:grid;grid-template-columns:1fr 1fr 1fr;gap:.75rem;padding:.75rem;overflow:hidden}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:.75rem;display:flex;flex-direction:column;gap:.4rem;overflow-y:auto}
.panel h3{font-size:.78rem;font-weight:700;color:var(--accent)}.panel h4{font-size:.68rem;font-weight:600;color:var(--text-dim);margin-top:.2rem}
.btn{padding:.35rem .7rem;border-radius:8px;font-size:.72rem;font-weight:600;cursor:pointer;border:none;transition:all .15s;font-family:var(--font)}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{opacity:.85}.btn-primary:disabled{opacity:.4;cursor:not-allowed}
.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-dim)}.btn-ghost:hover{background:var(--surface2);color:var(--text)}
.step-row{display:flex;gap:.3rem}
.sdp-box{width:100%;height:80px;padding:.4rem;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:8px;font-family:'Courier New',monospace;font-size:.62rem;resize:vertical;outline:none;line-height:1.4}
.status{font-size:.78rem;font-weight:700;padding:.3rem .5rem;border-radius:8px;text-align:center;background:rgba(99,102,241,.1);border:1px solid var(--border)}
.stats{display:flex;flex-direction:column;gap:.2rem}
.stat-row{display:flex;justify-content:space-between;font-size:.72rem;padding:.15rem 0;border-bottom:1px solid rgba(45,45,90,.5)}
.stat-label{color:var(--text-dim)}.stat-value{font-weight:700;font-family:monospace;color:var(--accent)}
.ice-log{font-family:'Courier New',monospace;font-size:.6rem;color:var(--text-dim);max-height:120px;overflow-y:auto;background:var(--bg);border:1px solid var(--border);border-radius:6px;padding:.3rem}
.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:768px){.main{grid-template-columns:1fr;grid-template-rows:auto auto auto}}