@import "https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;700&family=Inter:wght@300;400;500;600;700;800&display=swap";:root{--bg-color:#030712;--panel-bg:#111827b3;--panel-border:#ffffff14;--primary-color:#7c3aed;--primary-glow:#7c3aed26;--secondary-color:#06b6d4;--secondary-glow:#06b6d426;--accent-color:#ec4899;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dark:#111827;--success-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--info-color:#3b82f6;--font-sans:"Inter", system-ui, -apple-system, sans-serif;--font-mono:"Fira Code", monospace;--radius-lg:16px;--radius-md:10px;--radius-sm:6px;--transition-smooth:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-main);font-family:var(--font-sans);-webkit-font-smoothing:antialiased;background-image:radial-gradient(circle at 10% 20%,#7c3aed1f 0%,#0000 40%),radial-gradient(circle at 90% 80%,#06b6d41a 0%,#0000 40%);background-attachment:fixed;min-height:100vh;overflow-x:hidden}.glass-panel{background:var(--panel-bg);-webkit-backdrop-filter:blur(16px);border:1px solid var(--panel-border);border-radius:var(--radius-lg);transition:var(--transition-smooth);box-shadow:0 8px 32px #0000005e}.glass-panel:hover{border-color:#ffffff1f}.glass-card{-webkit-backdrop-filter:blur(8px);border-radius:var(--radius-md);transition:var(--transition-smooth);background:#1f293766;border:1px solid #ffffff0d;padding:1.5rem}.glass-card:hover{border-color:#7c3aed4d;transform:translateY(-2px);box-shadow:0 10px 20px #7c3aed14}.glass-input{border:1px solid var(--panel-border);border-radius:var(--radius-sm);width:100%;color:var(--text-main);font-family:var(--font-sans);transition:var(--transition-smooth);background:#11182799;outline:none;padding:.75rem 1rem;font-size:.95rem}.glass-input:focus{border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-glow);background:#111827cc}.glass-select{appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23f3f4f6' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");background-position:right 1rem center;background-repeat:no-repeat;background-size:1.2em;padding-right:2.5rem}.btn{font-family:var(--font-sans);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-smooth);border:1px solid #0000;justify-content:center;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.95rem;font-weight:500;text-decoration:none;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--primary-color), #6d28d9);color:#fff;box-shadow:0 4px 14px #7c3aed59}.btn-primary:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 20px #7c3aed80}.btn-secondary{border-color:var(--panel-border);color:var(--text-main);background:#ffffff0d}.btn-secondary:hover{background:#ffffff1a;border-color:#fff3}.btn-cyan{background:linear-gradient(135deg, var(--secondary-color), #0891b2);color:#fff;box-shadow:0 4px 14px #06b6d44d}.btn-cyan:hover{filter:brightness(1.1);transform:translateY(-1px);box-shadow:0 6px 20px #06b6d473}.btn-danger{color:#fca5a5;background:#ef444426;border:1px solid #ef444466}.btn-danger:hover{background:var(--danger-color);color:#fff}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:9999px;align-items:center;padding:.25rem .6rem;font-size:.75rem;font-weight:600;display:inline-flex}.badge-easy{color:#34d399;background:#10b98126;border:1px solid #10b9814d}.badge-medium{color:#fbbf24;background:#f59e0b26;border:1px solid #f59e0b4d}.badge-hard{color:#fca5a5;background:#ef444426;border:1px solid #ef44444d}@keyframes fadeInUp{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:.4s cubic-bezier(.16,1,.3,1) forwards fadeInUp}.dashboard-grid{grid-template-columns:260px 1fr;min-height:100vh;display:grid}@media (width<=900px){.dashboard-grid{grid-template-columns:1fr}}.sidebar{border-right:1px solid var(--panel-border);flex-direction:column;justify-content:space-between;padding:2rem 1.5rem;display:flex}.main-content{max-height:100vh;padding:2rem 3rem;overflow-y:auto}@media (width<=900px){.main-content{max-height:none;padding:1.5rem}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:#0003}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#fff3}.code-editor-container{border-radius:var(--radius-md);border:1px solid var(--panel-border);background:#0f172a;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 4px 20px #00000080}.code-editor-header{background:#1e293b;border-bottom:1px solid #ffffff0d;justify-content:space-between;align-items:center;padding:.6rem 1rem;display:flex}.code-editor-body{font-family:var(--font-mono);height:350px;font-size:.9rem;line-height:1.5;display:flex;position:relative}.code-editor-linenos{color:#475569;text-align:right;-webkit-user-select:none;user-select:none;background:#0b0f19;border-right:1px solid #ffffff08;width:45px;padding:1rem .5rem 1rem 0}.code-editor-textarea{color:#e2e8f0;resize:none;font-family:var(--font-mono);white-space:pre;tab-size:4;background:0 0;border:none;outline:none;flex:1;padding:1rem;font-size:.9rem;line-height:1.5}.pulse-dot{background-color:var(--success-color);border-radius:50%;width:8px;height:8px;animation:1.5s infinite pulse;box-shadow:0 0 #10b981b3}@keyframes pulse{0%{transform:scale(.95);box-shadow:0 0 #10b981b3}70%{transform:scale(1);box-shadow:0 0 0 6px #10b98100}to{transform:scale(.95);box-shadow:0 0 #10b98100}}.pulse-dot.offline{background-color:var(--danger-color);animation:none}.pulse-dot.warning{background-color:var(--warning-color);animation-name:pulse-warn;box-shadow:0 0 #f59e0bb3}@keyframes pulse-warn{0%{transform:scale(.95);box-shadow:0 0 #f59e0bb3}70%{transform:scale(1);box-shadow:0 0 0 6px #f59e0b00}to{transform:scale(.95);box-shadow:0 0 #f59e0b00}}