:root{--editor-font-size: 14px}*{margin:0;padding:0;box-sizing:border-box}@font-face{font-family:DejaVu Sans Mono Bold;src:url(/assets/DejaVuSansMono-Bold-BIlWjo3t.ttf) format("truetype");font-weight:700;font-style:normal}html,body{font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;background:linear-gradient(135deg,#667eea,#20b2aa);min-height:100vh}body{padding:16px;overflow-y:auto;background-attachment:fixed;position:relative}#loading{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);text-align:center;z-index:1000}.spinner{border:4px solid #f3f3f3;border-top:4px solid #3498db;border-radius:50%;width:40px;height:40px;animation:spin 2s linear infinite;margin:0 auto 20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}#loading p{color:#fff;font-size:1.2em;margin:0}.container{max-width:1600px;margin:0 auto;background:#fff;border-radius:15px;box-shadow:0 20px 60px #0000004d;overflow:visible;display:flex;flex-direction:column;min-height:calc(100vh - 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h3{color:#667eea;margin-bottom:10px}.info-section ul{margin-left:20px;line-height:1.8}.examples{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:15px;margin-top:15px}.example-card{background:#fff;padding:15px;border-radius:8px;cursor:pointer;transition:all .3s;border:2px solid #dee2e6}.example-card:hover{transform:translateY(-3px);box-shadow:0 5px 15px #0000001a;border-color:#667eea}.error-line{background-color:#fcc;color:#d9534f;font-weight:700;padding:0 2px;border-radius:2px}.example-card h4{color:#667eea;margin-bottom:5px}@media(max-width:968px){.main-content{grid-template-columns:1fr}.panel-header{flex-direction:column;align-items:flex-start;gap:8px}}body::-webkit-scrollbar,.output-area::-webkit-scrollbar{display:none}#bg-splash{content:"";position:fixed;left:0;right:0;top:-200vh;height:500vh;background:linear-gradient(135deg,#667eea,#20b2aa);z-index:-10000;pointer-events:none}footer{text-align:center;padding:10px 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white}.file-tab.close-btn{margin-left:8px;color:red;font-weight:700}.file-contents{background:#fff;border:1px solid #ddd;padding:10px;min-height:200px;white-space:pre-wrap;font-family:DejaVu Sans Mono,monospace;font-size:var(--editor-font-size)}.editor-tabs{display:flex}.editor-tab{padding:8px 16px;background:#f5f5f5;border-bottom:none;cursor:pointer;margin-right:2px;border-radius:4px 4px 0 0}.editor-tab.add-tab{display:inline-flex;align-items:center;justify-content:center;padding:8px 16px;background:#f5f5f5;border:1px solid #ddd;border-bottom:none;cursor:pointer;margin-right:2px;border-radius:4px 4px 0 0;font-weight:700}.editor-tab.add-tab:hover{transform:translateY(-1px)}.add-menu{position:absolute;background:#fff;border:1px solid #e9ecef;box-shadow:0 6px 18px #00000014;border-radius:8px;padding:4px;z-index:8000;display:none;display:flex;gap:0;min-width:280px;overflow:hidden}.add-menu .btn{display:inline-flex;align-items:center;justify-content:center;padding:8px 12px;background:none;border:0;cursor:pointer;width:50%;font-weight:600}.add-menu .btn+.btn{border-left:1px solid #eaeaea}.add-menu .btn:hover{background:#f8f9fa}#modalOverlay{display:none;align-items:center;justify-content:center}#modal{border:2px solid #e7e7e7}#modal input{border:1px solid #ddd;border-radius:4px}#modal button{padding:8px 12px;border-radius:4px}.editor-tab.active{background:#fff;border-bottom:1px solid white}.editor-tab.close-btn{margin-left:8px;color:red;font-weight:700}.editor-tabs.hide-file-tabs .editor-tab,body.basic-mode .editor-tabs .editor-tab{display:none!important}.editor-tabs.hide-file-tabs,body.basic-mode .editor-tabs{margin-bottom:0!important}.tabs-header{display:flex;gap:2px}.panel-tab{padding:8px 16px;cursor:pointer;border-bottom:3px solid transparent;font-weight:600;color:#666;transition:all .2s;background:#f1f3f5;border-radius:6px 6px 0 0;margin-right:4px}.panel-tab:hover{color:#333;background:#e9ecef}.panel-tab.active{color:#667eea;border-bottom:3px solid #667eea;background:#fff}.variables-area{padding:0;overflow-y:auto;flex:1;min-height:0;background:#fff;border-radius:0 0 8px 8px}.var-table{width:100%;border-collapse:collapse;font-size:14px}.var-table th{text-align:left;padding:8px 12px;background:#f8f9fa;border-bottom:1px solid #dee2e6;color:#495057;font-weight:600;position:sticky;top:0;z-index:10}.var-table td{padding:8px 12px;border-bottom:1px solid #eee}.var-name{font-family:DejaVu Sans Mono,monospace;color:#d63384;font-weight:600}.var-type{color:#6c757d;font-size:.9em}.var-val{font-family:DejaVu Sans Mono,monospace;color:#212529}.debug-line-highlight{position:absolute;left:0;right:0;background-color:#ffff004d;pointer-events:none;z-index:8;border-left:4px solid #ffcc00}.btn-debug{background:linear-gradient(135deg,#ff9f43,#ff6b6b);color:#fff}.btn-debug:hover{transform:translateY(-2px);box-shadow:0 5px 15px #ff9f4366}.btn-step{background:linear-gradient(135deg,#54a0ff,#2e86de);color:#fff}.btn-step:hover{transform:translateY(-2px);box-shadow:0 5px 15px #2e86de66}.btn-stop{background:linear-gradient(135deg,#ff6b6b,#ee5253);color:#fff}.btn-stop:hover{transform:translateY(-2px);box-shadow:0 5px 15px #ee525366}.exam-toggle{background:#f8f9fa;padding:8px 12px;border-radius:20px;border:2px solid #dee2e6;cursor:pointer;transition:all .3s}.exam-toggle.active{background:#fff0f0;border-color:#ff6b6b;color:#c0392b;font-weight:700}.exam-mode .token-keyword,.exam-mode .token-string,.exam-mode .token-number,.exam-mode .token-comment,.exam-mode .token-operator{color:inherit!important;font-weight:inherit!important;font-style:inherit!important}.exam-mode .code-editor{color:var(--editor-fg, #000);font-weight:400;font-style:normal}.exam-mode .line-numbers{background:#eee;color:#888}#creditsOverlay{position:fixed;top:0;left:0;width:100vw;height:100vh;background:#000000d9;z-index:20000;display:flex;align-items:center;justify-content:center;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}#creditsModal{background:var(--editor-bg);color:var(--text-color);width:500px;max-width:90%;max-height:80vh;border-radius:12px;box-shadow:0 20px 50px #00000080;display:flex;flex-direction:column;position:relative;border:1px solid var(--border-color);animation:popIn .3s cubic-bezier(.175,.885,.32,1.275)}@keyframes popIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}#creditsClose{position:absolute;top:10px;right:15px;background:none;border:none;color:var(--text-secondary);font-size:28px;cursor:pointer;line-height:1;padding:0;transition:color .2s}#creditsClose:hover{color:var(--accent-red)}#creditsModal h2{margin:0;padding:20px 24px;border-bottom:1px solid var(--border-color);font-size:1.5em;font-weight:600}#creditsList{padding:20px 24px;overflow-y:auto;flex:1;font-size:.95em;line-height:1.6}#creditsList div{margin-bottom:8px;border-bottom:1px dashed var(--border-color);padding-bottom:4px}#creditsList div:last-child{border-bottom:none}