:root{--bg-primary:#070a12;--bg-secondary:#0c1220;--bg-surface:#10192d;--bg-surface-elevated:#16223d;--bg-glass:#10192dbf;--border-subtle:#1a2948;--border-glow:#00f0ff59;--border-active:#00f0ff;--neon-blue:#00d2ff;--neon-cyan:#00f0ff;--neon-electric:#0070f3;--neon-glow:0 0 16px #00f0ff59;--neon-glow-lg:0 0 30px #00d2ff80, 0 0 60px #0070f34d;--diff-easy:#00f5d4;--diff-easy-bg:#00f5d41f;--diff-easy-glow:0 0 10px #00f5d466;--diff-medium:#fbbf24;--diff-medium-bg:#fbbf241f;--diff-medium-glow:0 0 10px #fbbf2466;--diff-hard:#f43f5e;--diff-hard-bg:#f43f5e1f;--diff-hard-glow:0 0 10px #f43f5e66;--status-accepted:#10b981;--status-accepted-bg:#10b98126;--status-wrong:#ef4444;--status-wrong-bg:#ef444426;--text-main:#f1f5f9;--text-muted:#94a3b8;--text-dim:#64748b;--text-neon:#38bdf8;--font-ui:"Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-code:"JetBrains Mono", "Fira Code", monospace;--header-height:56px;--border-radius-sm:6px;--border-radius-md:10px;--border-radius-lg:14px}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html,body{background-color:var(--bg-primary);color:var(--text-main);font-family:var(--font-ui);-webkit-font-smoothing:antialiased;min-height:100vh;line-height:1.5}a{color:inherit;text-decoration:none}body:before{content:"";pointer-events:none;z-index:0;background:radial-gradient(circle,#00f0ff14 0%,#0070f308 50%,#0000 70%);width:600px;height:400px;position:fixed;top:-150px;left:20%}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-subtle);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--neon-blue);box-shadow:0 0 8px var(--neon-cyan)}.app-container{background:var(--bg-primary);z-index:1;flex-direction:column;width:100vw;height:100vh;display:flex;position:relative;overflow:hidden}.navbar{height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border-subtle);z-index:50;justify-content:space-between;align-items:center;padding:0 16px;display:flex;box-shadow:0 2px 12px #0006}.navbar-left{align-items:center;gap:12px;display:flex}.logo-badge{letter-spacing:-.3px;color:#fff;cursor:pointer;align-items:center;gap:9px;font-size:1.15rem;font-weight:800;text-decoration:none;transition:opacity .2s;display:flex}.logo-badge:hover{opacity:.9}.logo-icon-box{color:#070a12;background:linear-gradient(135deg,#0070f3,#00f0ff);border-radius:7px;justify-content:center;align-items:center;width:30px;height:30px;display:flex;box-shadow:0 0 12px #00f0ff73}.logo-text-glow{background:linear-gradient(90deg,#fff,#38bdf8,#00f0ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;font-weight:700}.nav-divider{background:var(--border-subtle);width:1px;height:18px;margin:0 2px}.problem-nav-group{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);align-items:center;gap:2px;padding:3px 5px;display:flex}.problem-selector-btn{color:var(--text-main);cursor:pointer;border-radius:var(--border-radius-sm);background:0 0;border:none;align-items:center;gap:7px;padding:3px 6px;font-size:.84rem;font-weight:600;transition:all .2s;display:flex}.problem-selector-btn:hover{background:var(--bg-surface-elevated);color:var(--neon-cyan)}.diff-dot{border-radius:50%;flex-shrink:0;width:6px;height:6px;display:inline-block}.nav-problem-code,.problem-code{font-family:var(--font-code);color:var(--text-muted);font-size:.78rem;font-weight:700}.nav-problem-title{color:var(--text-main);text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:.8rem;font-weight:500;line-height:1.2;overflow:hidden}.problem-selector-btn .problem-title{color:var(--text-main);text-overflow:ellipsis;white-space:nowrap;max-width:200px;font-size:.8rem;font-weight:500;overflow:hidden}.nav-arrow-btn{color:var(--text-dim);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:4px;text-decoration:none;transition:all .2s;display:flex}.nav-arrow-btn:hover:not(:disabled){color:var(--neon-cyan);background:var(--bg-surface-elevated)}.nav-arrow-btn:disabled,.nav-arrow-btn.disabled{opacity:.3;cursor:not-allowed;pointer-events:none}.navbar-center{justify-content:center;align-items:center;display:flex}.nav-actions-group{align-items:center;gap:8px;display:flex}.btn-run{background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-main);border-radius:var(--border-radius-md);cursor:pointer;align-items:center;gap:6px;padding:6px 14px;font-size:.83rem;font-weight:600;transition:all .2s;display:flex}.btn-run:hover:not(:disabled){color:#38bdf8;background:#38bdf814;border-color:#38bdf8;box-shadow:0 0 10px #38bdf833}.btn-submit{color:#070a12;border-radius:var(--border-radius-md);cursor:pointer;background:linear-gradient(135deg,#0070f3,#00d2ff);border:1px solid #00f0ff;align-items:center;gap:6px;padding:6px 16px;font-size:.83rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 0 12px #00f0ff59}.btn-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 0 20px #00f0ffa6}.btn-submit:disabled,.btn-run:disabled{opacity:.5;cursor:not-allowed}.navbar-right{align-items:center;gap:10px;display:flex}.nav-link-btn{color:var(--text-muted);border-radius:var(--border-radius-md);align-items:center;gap:6px;padding:6px 12px;font-size:.85rem;font-weight:600;transition:all .2s;display:flex}.nav-link-btn:hover{color:var(--neon-cyan);background:var(--bg-surface)}.icon-btn{background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-muted);border-radius:var(--border-radius-sm);cursor:pointer;justify-content:center;align-items:center;width:32px;height:32px;transition:all .2s;display:flex}.icon-btn:hover{border-color:var(--neon-cyan);color:var(--neon-cyan);box-shadow:0 0 10px #00f0ff33}.btn-login-minimal{border:1px solid var(--border-glow);color:var(--neon-cyan);border-radius:var(--border-radius-md);cursor:pointer;background:0 0;align-items:center;gap:6px;padding:5px 12px;font-size:.82rem;font-weight:600;transition:all .2s;display:flex}.btn-login-minimal:hover{border-color:var(--neon-cyan);background:#00f0ff1a;box-shadow:0 0 10px #00f0ff33}.user-badge{background:var(--bg-surface);border:1px solid var(--border-subtle);cursor:default;border-radius:20px;align-items:center;gap:8px;padding:3px 8px 3px 4px;transition:all .2s;display:flex}.user-badge:hover{border-color:var(--border-glow)}.user-avatar{color:#070a12;background:linear-gradient(135deg,#00f0ff,#1d4ed8);border-radius:50%;justify-content:center;align-items:center;width:24px;height:24px;font-size:.72rem;font-weight:700;display:flex}.user-name{color:var(--text-main);text-overflow:ellipsis;white-space:nowrap;max-width:100px;font-size:.82rem;font-weight:600;overflow:hidden}.solved-pill{background:var(--diff-easy-bg);color:var(--diff-easy);font-size:.72rem;font-family:var(--font-code);border:1px solid #00f5d440;border-radius:8px;padding:1px 6px;font-weight:600}.main-layout{height:calc(100vh - var(--header-height));background:var(--bg-primary);grid-template-columns:48% 52%;gap:6px;width:100%;padding:6px;display:grid;overflow:hidden}.left-panel,.right-panel{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);flex-direction:column;height:100%;display:flex;overflow:hidden}.right-panel{background:0 0;border:none;grid-template-rows:60% 40%;gap:6px;display:grid}.editor-box,.console-box{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);flex-direction:column;display:flex;overflow:hidden}.panel-tabs-header{background:var(--bg-surface);border-bottom:1px solid var(--border-subtle);justify-content:space-between;align-items:center;height:40px;padding:0 10px;display:flex}.tabs-list{align-items:center;gap:4px;display:flex}.tab-btn{color:var(--text-muted);border-radius:var(--border-radius-sm);cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:6px 12px;font-size:.82rem;font-weight:600;transition:all .2s;display:flex}.tab-btn:hover{color:var(--text-main);background:#ffffff0a}.tab-btn.active{color:var(--neon-cyan);background:var(--bg-surface-elevated);border-bottom:2px solid var(--neon-cyan);box-shadow:0 0 10px #00f0ff26}.panel-content-body{flex:1;padding:20px;overflow-y:auto}.problem-header{margin-bottom:20px}.problem-title-row{justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px;display:flex}.problem-title{color:#fff;align-items:center;gap:10px;font-size:1.35rem;font-weight:700;display:flex}.badges-row{align-items:center;gap:8px;display:flex}.badge{letter-spacing:.3px;text-transform:uppercase;font-size:.75rem;font-weight:700;font-family:var(--font-code);border-radius:12px;padding:3px 10px}.badge-kolay{background:var(--diff-easy-bg);color:var(--diff-easy);box-shadow:var(--diff-easy-glow);border:1px solid #00f5d459}.badge-orta{background:var(--diff-medium-bg);color:var(--diff-medium);box-shadow:var(--diff-medium-glow);border:1px solid #fbbf2459}.badge-zor{background:var(--diff-hard-bg);color:var(--diff-hard);box-shadow:var(--diff-hard-glow);border:1px solid #f43f5e59}.badge-type{color:#38bdf8;background:#38bdf81f;border:1px solid #38bdf84d}.problem-section{margin-bottom:24px}.section-title{text-transform:uppercase;letter-spacing:.5px;color:var(--neon-cyan);align-items:center;gap:8px;margin-bottom:10px;font-size:.85rem;font-weight:700;display:flex}.problem-description-text{color:#cbd5e1;white-space:pre-line;font-size:.95rem;line-height:1.7}.code-snippet-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);font-family:var(--font-code);color:#e2e8f0;padding:12px 14px;font-size:.88rem;line-height:1.6;overflow-x:auto}.example-card{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);border-left:3px solid var(--neon-cyan);margin-bottom:12px;padding:14px}.example-card-header{color:var(--neon-cyan);margin-bottom:8px;font-size:.85rem;font-weight:700}.example-field{font-family:var(--font-code);margin-bottom:6px;font-size:.86rem}.field-label{color:var(--text-dim);-webkit-user-select:none;user-select:none;margin-right:6px}.field-value{color:#f8fafc}.accordion-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);margin-bottom:12px;overflow:hidden}.accordion-header{cursor:pointer;background:var(--bg-surface-elevated);color:var(--text-main);justify-content:space-between;align-items:center;padding:12px 16px;font-size:.88rem;font-weight:600;transition:all .2s;display:flex}.accordion-header:hover{color:var(--neon-cyan)}.accordion-body{color:#94a3b8;white-space:pre-line;border-top:1px solid var(--border-subtle);background:var(--bg-surface);padding:14px 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var(--border-subtle)!important;background:#0c1220!important}.cm-activeLineGutter{color:var(--neon-cyan)!important;background:#162238!important}.console-body{background:#090e18;flex:1;padding:14px;overflow-y:auto}.case-tabs-row{align-items:center;gap:6px;margin-bottom:12px;display:flex}.case-tab-btn{background:var(--bg-surface);border:1px solid var(--border-subtle);color:var(--text-muted);border-radius:var(--border-radius-sm);cursor:pointer;padding:4px 10px;font-size:.8rem;font-weight:600;transition:all .2s}.case-tab-btn.active{background:var(--bg-surface-elevated);border-color:var(--neon-cyan);color:var(--neon-cyan)}.result-banner{border-radius:var(--border-radius-md);justify-content:space-between;align-items:center;margin-bottom:14px;padding:12px 16px;display:flex}.result-banner.accepted{background:var(--status-accepted-bg);border:1px solid #10b98166;box-shadow:0 0 16px #10b98140}.result-banner.wrong{background:var(--status-wrong-bg);border:1px solid #ef444466;box-shadow:0 0 16px #ef444440}.result-status-text{letter-spacing:-.3px;align-items:center;gap:8px;font-size:1.1rem;font-weight:800;display:flex}.result-banner.accepted .result-status-text{color:var(--status-accepted)}.result-banner.wrong .result-status-text{color:var(--status-wrong)}.result-metrics{font-family:var(--font-code);color:#94a3b8;align-items:center;gap:12px;font-size:.82rem;display:flex}.test-diff-grid{grid-template-columns:1fr 1fr;gap:12px;margin-top:10px;display:grid}.diff-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-sm);padding:10px}.diff-box-title{color:var(--text-dim);text-transform:uppercase;margin-bottom:6px;font-size:.75rem;font-weight:700}.diff-box-content{font-family:var(--font-code);color:#f1f5f9;white-space:pre-wrap;word-break:break-all;font-size:.85rem}.stdout-console-box{border:1px solid var(--border-subtle);border-radius:var(--border-radius-sm);font-family:var(--font-code);color:#a5f3fc;background:#05070d;max-height:120px;margin-top:12px;padding:10px;font-size:.82rem;overflow-y:auto}.ai-chat-container{flex-direction:column;height:100%;display:flex}.ai-quick-actions{flex-wrap:wrap;gap:6px;margin-bottom:12px;display:flex}.ai-action-btn{background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);color:var(--neon-cyan);cursor:pointer;border-radius:20px;align-items:center;gap:6px;padding:6px 12px;font-size:.78rem;font-weight:600;transition:all .2s;display:flex}.ai-action-btn:hover{border-color:var(--neon-cyan);box-shadow:0 0 10px #00f0ff33}.ai-messages-scroll{flex-direction:column;flex:1;gap:12px;padding-right:6px;display:flex;overflow-y:auto}.ai-message{border-radius:var(--border-radius-md);padding:12px 14px;font-size:.9rem;line-height:1.6}.ai-message.user{color:#e0f2fe;background:#0070f326;border:1px solid #0070f359;align-self:flex-end;max-width:85%}.ai-message.assistant{background:var(--bg-surface);border:1px solid var(--border-subtle);color:#f1f5f9;border-left:3px solid var(--neon-cyan);align-self:flex-start;max-width:95%}.ai-input-form{gap:8px;margin-top:12px;display:flex}.ai-text-input{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);color:#fff;font-family:var(--font-ui);outline:none;flex:1;padding:10px 14px;font-size:.88rem;transition:all .2s}.ai-text-input:focus{border-color:var(--neon-cyan);box-shadow:0 0 12px #00f0ff40}.ai-send-btn{color:#070a12;border-radius:var(--border-radius-md);cursor:pointer;background:linear-gradient(135deg,#0070f3,#00f0ff);border:none;justify-content:center;align-items:center;padding:0 16px;font-weight:700;display:flex}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:100;background:#04070ecc;justify-content:center;align-items:center;animation:.2s 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var(--border-subtle);border-radius:var(--border-radius-md);color:#fff;outline:none;width:100%;padding:10px 12px;font-size:.9rem;transition:all .2s}.form-input:focus{border-color:var(--neon-cyan);box-shadow:0 0 10px #00f0ff33}.alert-notice{border-radius:var(--border-radius-md);color:#7dd3fc;background:#00f0ff14;border:1px solid #00f0ff59;align-items:flex-start;gap:10px;margin-bottom:16px;padding:12px 14px;font-size:.85rem;line-height:1.5;display:flex}.btn-primary-action{color:#070a12;border-radius:var(--border-radius-md);cursor:pointer;background:linear-gradient(135deg,#0070f3,#00f0ff);border:none;justify-content:center;align-items:center;gap:8px;width:100%;padding:12px;font-size:.95rem;font-weight:700;transition:all .2s;display:flex;box-shadow:0 0 16px #00f0ff66}.btn-primary-action:hover{box-shadow:0 0 24px #00f0ffb3}.btn-demo-action{background:var(--bg-surface-elevated);border:1px solid var(--border-subtle);width:100%;color:var(--neon-cyan);border-radius:var(--border-radius-md);cursor:pointer;margin-top:10px;padding:10px;font-size:.9rem;font-weight:600;transition:all .2s}.btn-demo-action:hover{border-color:var(--neon-cyan);background:#00f0ff14}.oauth-btn{border-radius:var(--border-radius-md);cursor:pointer;border:1px solid var(--border-subtle);background:var(--bg-surface);width:100%;color:var(--text-main);justify-content:center;align-items:center;gap:10px;padding:10px 16px;font-size:.88rem;font-weight:600;transition:all .2s;display:flex}.oauth-github{background:#141c2c;border-color:#273754}.oauth-github:hover:not(:disabled){border-color:var(--neon-cyan);color:#fff;background:#1b263b;box-shadow:0 0 14px #00f0ff40}.oauth-google{background:#141c2c;border-color:#273754}.oauth-google:hover:not(:disabled){color:#fff;background:#1b263b;border-color:#4285f4;box-shadow:0 0 14px #4285f440}.oauth-btn:disabled{opacity:.5;cursor:not-allowed}.auth-divider{text-align:center;color:var(--text-dim);letter-spacing:.8px;align-items:center;margin:14px 0;font-size:.72rem;font-weight:700;display:flex}.auth-divider:before,.auth-divider:after{content:"";border-bottom:1px solid var(--border-subtle);flex:1}.auth-divider span{padding:0 10px}.catalog-table{border-collapse:collapse;width:100%}.catalog-table th{text-align:left;color:var(--text-dim);text-transform:uppercase;border-bottom:1px solid var(--border-subtle);padding:10px 12px;font-size:.78rem;font-weight:700}.catalog-table td{border-bottom:1px solid #ffffff08;padding:12px;font-size:.88rem}.catalog-row{cursor:pointer;transition:background .15s}.catalog-row:hover{background:var(--bg-surface-elevated)}.catalog-row.current{border-left:3px solid var(--neon-cyan);background:#00f0ff14}.page-container{max-width:1200px;margin:0 auto;padding:40px 20px}.hero-box{border:1px solid var(--border-glow);box-shadow:var(--neon-glow);border-radius:var(--border-radius-lg);text-align:center;background:linear-gradient(135deg,#10192de6,#0c1220e6);margin-bottom:36px;padding:48px;position:relative;overflow:hidden}.hero-title{letter-spacing:-1px;background:linear-gradient(90deg,#fff,#38bdf8,#00f0ff);-webkit-text-fill-color:transparent;-webkit-background-clip:text;margin-bottom:16px;font-size:2.6rem;font-weight:800}.hero-subtitle{color:#94a3b8;max-width:700px;margin:0 auto 28px;font-size:1.15rem;line-height:1.6}.stats-grid{grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:36px;display:grid}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);text-align:center;padding:20px}.stat-val{color:var(--neon-cyan);font-size:2rem;font-weight:800;font-family:var(--font-code);margin-bottom:4px}.stat-label{color:var(--text-dim);text-transform:uppercase;letter-spacing:.5px;font-size:.82rem;font-weight:700}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes scaleUp{0%{opacity:0;transform:scale(.95)}to{opacity:1;transform:scale(1)}}.live-status-pill{color:var(--neon-cyan);letter-spacing:.5px;background:#00f0ff14;border:1px solid #00f0ff40;border-radius:20px;align-items:center;gap:6px;padding:4px 10px;font-size:.72rem;font-weight:700;display:inline-flex}.pulse-dot{background:var(--neon-cyan);width:6px;height:6px;box-shadow:0 0 8px var(--neon-cyan);border-radius:50%;animation:1.5s infinite alternate pulseGlow}@keyframes pulseGlow{0%{opacity:.6;transform:scale(.85)}to{opacity:1;box-shadow:0 0 12px var(--neon-cyan);transform:scale(1.2)}}.interview-timer-box{background:#10192dd9;border:1px solid #00f0ff40;border-radius:8px;align-items:center;gap:8px;padding:4px 12px;display:inline-flex;box-shadow:inset 0 0 10px #00f0ff0d}.timer-digits{font-family:var(--font-code);color:#fff;letter-spacing:1px;font-size:.95rem;font-weight:700}.timer-control-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:4px;justify-content:center;align-items:center;padding:2px 4px;transition:all .2s;display:inline-flex}.timer-control-btn:hover{color:var(--neon-cyan);background:#00f0ff1a}.engine-status-tag{color:var(--diff-easy);background:#00f5d414;border:1px solid #00f5d433;border-radius:6px;align-items:center;gap:6px;padding:4px 10px;font-size:.75rem;font-weight:600;display:inline-flex}.dossier-hero-card{border:1px solid var(--border-subtle);border-radius:var(--border-radius-md);background:linear-gradient(135deg,#10192de6 0%,#0c1220e6 100%);margin-bottom:20px;padding:20px;box-shadow:0 4px 20px #00000040}.dossier-header-row{align-items:center;gap:12px;margin-bottom:14px;display:flex}.dossier-id-tag{border:1px solid var(--neon-cyan);color:var(--neon-cyan);font-family:var(--font-code);letter-spacing:.5px;background:#00f0ff26;border-radius:6px;padding:3px 8px;font-size:.88rem;font-weight:800}.dossier-meta-grid{flex-wrap:wrap;gap:8px;display:flex}.meta-chip{border:1px solid var(--border-subtle);color:var(--text-main);background:#ffffff0a;border-radius:6px;align-items:center;gap:6px;padding:4px 10px;font-size:.8rem;font-weight:600;display:inline-flex}.contract-box{background:var(--bg-surface);border:1px solid var(--border-subtle);border-radius:var(--border-radius-sm);padding:12px 16px}.contract-line{align-items:flex-start;gap:10px;font-size:.9rem;display:flex}.contract-label{color:var(--neon-cyan);white-space:nowrap;font-weight:700}.contract-value{color:var(--text-main);line-height:1.5}.copy-chip-btn{border:1px solid var(--border-subtle);color:var(--text-muted);cursor:pointer;background:#ffffff0d;border-radius:4px;align-items:center;gap:4px;padding:2px 8px;font-size:.75rem;transition:all .2s;display:inline-flex}.copy-chip-btn:hover{color:var(--neon-cyan);border-color:var(--neon-cyan)}.field-value-code{font-family:var(--font-code);color:#fff;background:#0000004d;border-radius:4px;padding:2px 6px;font-size:.88rem}.follow-up-card{border:1px solid var(--border-subtle);border-left:3px solid var(--neon-cyan);background:#10192d99;border-radius:6px;padding:10px 14px}.follow-up-badge{color:var(--neon-cyan);text-transform:uppercase;margin-bottom:4px;font-size:.7rem;font-weight:700;display:inline-block}.empty-notice-box{text-align:center;border:1px dashed var(--border-subtle);border-radius:var(--border-radius-md);background:#10192d66;flex-direction:column;justify-content:center;align-items:center;margin-top:10px;padding:40px 20px;display:flex}