:root {
  --primary: #6366F1; --primary-hover: #4F46E5; --secondary: #8B5CF6;
  --accent: #22D3EE; --success: #10B981; --error: #EF4444; --warning: #F59E0B;
  --bg: #0F172A; --bg-elevated: #1E293B; --bg-card: #1E293B;
  --bg-input: #0F172A; --text: #E2E8F0; --text-muted: #94A3B8; --text-dim: #475569;
  --border: #334155; --border-hover: #475569; --radius: 12px; --radius-sm: 8px;
  --font: 'Inter', system-ui, sans-serif; --transition: 200ms ease;
  --shadow: 0 4px 24px rgba(0,0,0,0.4);
}
*,*::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:linear-gradient(135deg,rgba(99,102,241,.15),rgba(139,92,246,.1));border-radius:var(--radius-sm);border:1px solid var(--border)}
.header-title{font-size:1.1rem;font-weight:700;background:linear-gradient(135deg,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.header-badge{font-size:.65rem;font-weight:600;padding:3px 8px;background:rgba(99,102,241,.1);border:1px solid rgba(99,102,241,.2);border-radius:20px;color:var(--primary);text-transform:uppercase;letter-spacing:.5px}
.header-right{display:flex;align-items:center;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:disabled{opacity:.4;cursor:not-allowed}
.btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;box-shadow:0 2px 8px rgba(99,102,241,.3)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 16px rgba(99,102,241,.4)}
.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--border)}
.btn-ghost:hover:not(:disabled){background:var(--bg-card);color:var(--text);border-color:var(--border-hover)}
.btn-sm{padding:5px 10px;font-size:.75rem}

.select-control{padding:6px 12px;font-size:.8rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);cursor:pointer}
.select-control.full{width:100%}

.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-y:auto;padding:20px}
.panel-title{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:var(--primary);margin-bottom:12px}

.form-group{margin-bottom:12px}
.form-group label{display:block;font-size:.72rem;font-weight:500;color:var(--text-muted);margin-bottom:4px}
.form-group .hint{font-size:.65rem;color:var(--text-dim)}
.input{width:100%;padding:8px 12px;font-size:.8rem;font-family:var(--font);background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);outline:none;transition:border-color var(--transition)}
.input:focus{border-color:var(--primary)}
.textarea{resize:vertical;line-height:1.6}

.results{flex:1;overflow-y:auto}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:200px;gap:12px;color:var(--text-dim);font-size:.85rem}

.step{padding:12px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:8px;transition:all var(--transition)}
.step-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}
.step-title{font-size:.8rem;font-weight:600;color:var(--text)}
.step-badge{font-size:.65rem;font-weight:700;padding:2px 8px;border-radius:4px}
.step-badge.pass{background:rgba(16,185,129,.15);color:#10B981}
.step-badge.fail{background:rgba(239,68,68,.15);color:#EF4444}
.step-badge.warn{background:rgba(245,158,11,.15);color:#F59E0B}
.step-badge.info{background:rgba(99,102,241,.15);color:#6366F1}
.step-desc{font-size:.72rem;color:var(--text-muted);line-height:1.5}
.step-detail{margin-top:6px;padding:6px 10px;background:rgba(15,23,42,.5);border-radius:4px;font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--accent);word-break:break-all}

.overall-result{padding:16px;border-radius:var(--radius);margin-bottom:12px;text-align:center;font-weight:700;font-size:1rem}
.overall-result.pass{background:rgba(16,185,129,.1);color:#10B981;border:1px solid rgba(16,185,129,.2)}
.overall-result.fail{background:rgba(239,68,68,.1);color:#EF4444;border:1px solid rgba(239,68,68,.2)}

.config-output{margin-top:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.config-header{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;border-bottom:1px solid var(--border)}
.config-header h4{font-size:.75rem;font-weight:600;color:var(--secondary)}
.config-code{padding:14px;font-family:'JetBrains Mono',monospace;font-size:.75rem;line-height:1.7;color:var(--text);overflow-x:auto;margin:0;background:transparent}

.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;box-shadow:var(--shadow);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;gap:8px}.header-right{width:100%;justify-content:flex-end}}