:root{--primary:#1a4fc4;--primary-dark:#0f2f8a;--primary-light:#4a7de8;--gold:#f5a623;--gold-light:#ffc857;--bg:#f0f4fa;--card-bg:#fff;--text:#1a1a2e;--text-muted:#5a5a7a;--border:#d0d8e8;--critical:#dc3545;--warning:#fd7e14;--info:#0dcaf0;--good:#198754}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:Nunito,sans-serif;line-height:1.6}h1,h2,h3,h4{font-family:Fredoka One,cursive;font-weight:400}.header{z-index:100;background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);justify-content:space-between;align-items:center;padding:1rem 2rem;display:flex;position:sticky;top:0;box-shadow:0 4px 20px #1a4fc44d}.header-left{align-items:center;gap:1rem;display:flex}.mascot{width:60px;height:60px}.header-text h1{color:#fff;text-shadow:2px 2px 4px #0003;font-size:1.8rem}.header-text .tagline{color:var(--gold-light);font-size:.9rem;font-weight:600}.donate-btn{background:var(--gold);color:var(--text);border-radius:25px;align-items:center;gap:.5rem;padding:.6rem 1.2rem;font-weight:700;text-decoration:none;transition:all .3s;display:flex;box-shadow:0 4px 15px #f5a62366}.donate-btn:hover{background:var(--gold-light);transform:translateY(-2px);box-shadow:0 6px 20px #f5a62380}.donate-btn svg{width:20px;height:20px}.main{max-width:900px;margin:0 auto;padding:2rem}.tabs{gap:.5rem;margin-bottom:1.5rem;display:flex}.tab-btn{background:var(--card-bg);color:var(--text-muted);cursor:pointer;border:none;border-bottom:3px solid #0000;border-radius:12px 12px 0 0;flex:1;padding:1rem 1.5rem;font-family:Fredoka One,cursive;font-size:1.1rem;transition:all .3s}.tab-btn.active{color:var(--primary);border-bottom-color:var(--primary);background:var(--card-bg)}.tab-btn:hover:not(.active){color:var(--primary-light)}.tab-content{background:var(--card-bg);border-radius:0 0 16px 16px;padding:2rem;display:none;box-shadow:0 8px 30px #00000014}.tab-content.active{display:block}.speech-bubble{background:linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);color:#fff;border-radius:20px;margin-bottom:2rem;padding:1.5rem;position:relative;box-shadow:0 4px 15px #1a4fc433}.speech-bubble:before{content:"";border-style:solid;border-width:15px 15px 0;border-color:var(--primary) transparent transparent;position:absolute;bottom:-15px;left:30px}.speech-bubble p{font-size:1.1rem;font-weight:600}.upload-zones{grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem;display:grid}.upload-zone{border:3px dashed var(--border);text-align:center;cursor:pointer;background:var(--bg);border-radius:16px;padding:2rem 1rem;transition:all .3s}.upload-zone:hover,.upload-zone.dragover{border-color:var(--primary);background:#1a4fc40d}.upload-zone.has-file{border-color:var(--good);background:#1987540d}.upload-zone svg{width:48px;height:48px;color:var(--primary-light);margin-bottom:.5rem}.upload-zone h4{color:var(--primary);margin-bottom:.25rem}.upload-zone p{color:var(--text-muted);font-size:.85rem}.upload-zone .filename{color:var(--good);margin-top:.5rem;font-weight:700}.upload-zone input[type=file]{display:none}.problem-section{margin-bottom:1.5rem}.problem-section label{color:var(--primary-dark);margin-bottom:.5rem;font-weight:700;display:block}.problem-section textarea{border:2px solid var(--border);resize:vertical;border-radius:12px;width:100%;min-height:120px;padding:1rem;font-family:Nunito,sans-serif;font-size:1rem;transition:border-color .3s}.problem-section textarea:focus{border-color:var(--primary);outline:none}.analyze-btn{background:linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);color:#fff;cursor:pointer;border:none;border-radius:12px;width:100%;padding:1rem 2rem;font-family:Fredoka One,cursive;font-size:1.2rem;transition:all .3s;box-shadow:0 4px 15px #1a4fc44d}.analyze-btn:hover:not(:disabled){transform:translateY(-2px);box-shadow:0 6px 25px #1a4fc466}.analyze-btn:disabled{opacity:.6;cursor:not-allowed}.analyze-btn.loading{color:#0000;position:relative}.analyze-btn.loading:after{content:"";border:3px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:24px;height:24px;margin:-12px 0 0 -12px;animation:.8s linear infinite spin;position:absolute;top:50%;left:50%}@keyframes spin{to{transform:rotate(360deg)}}.results{margin-top:2rem;display:none}.results.visible{display:block}.results-header{border-bottom:2px solid var(--border);align-items:center;gap:1rem;margin-bottom:1.5rem;padding-bottom:1rem;display:flex}.results-header h3{color:var(--primary);flex:1}.pdf-btn{background:var(--primary);color:#fff;cursor:pointer;white-space:nowrap;border:none;border-radius:6px;margin-left:auto;padding:.4rem .9rem;font-family:inherit;font-size:.85rem;transition:background .2s}.pdf-btn:hover{background:var(--primary-dark)}.summary-box{background:linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);color:#fff;border-radius:12px;margin-bottom:1.5rem;padding:1.5rem}.summary-box h4{margin-bottom:.5rem}.robot-java-banner{background:linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);border-radius:12px;margin-bottom:1.5rem;padding:1rem 1.5rem;display:none}.robot-java-banner.visible{flex-wrap:wrap;align-items:center;gap:1rem;display:flex}.robot-java-banner p{color:var(--text);flex:1;font-weight:600}.robot-java-banner .upload-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;padding:.5rem 1rem;font-weight:700;transition:all .3s}.robot-java-banner .upload-btn:hover{background:var(--primary-dark)}.finding{background:var(--bg);border-left:4px solid var(--border);border-radius:12px;margin-bottom:1rem;padding:1.5rem}.finding.critical{border-left-color:var(--critical)}.finding.warning{border-left-color:var(--warning)}.finding.info{border-left-color:var(--info)}.finding.good{border-left-color:var(--good)}.finding-header{align-items:center;gap:.75rem;margin-bottom:.75rem;display:flex}.severity-pill{text-transform:uppercase;border-radius:20px;padding:.25rem .75rem;font-size:.75rem;font-weight:700}.severity-pill.critical{background:var(--critical);color:#fff}.severity-pill.warning{background:var(--warning);color:#fff}.severity-pill.info{background:var(--info);color:var(--text)}.severity-pill.good{background:var(--good);color:#fff}.finding h4{color:var(--text);font-family:Nunito,sans-serif;font-weight:700}.finding-description{color:var(--text-muted);margin-bottom:.75rem}.fix-box{border:1px solid var(--good);background:#1987541a;border-radius:8px;margin-bottom:.75rem;padding:.75rem 1rem}.fix-box strong{color:var(--good)}.code-snippet{color:#a8d8a8;white-space:pre-wrap;background:#1a1a2e;border-radius:8px;padding:1rem;font-family:Consolas,Monaco,monospace;font-size:.9rem;overflow-x:auto}.faq-section h3{color:var(--primary);margin-bottom:1rem}.accordion-item{border:1px solid var(--border);border-radius:12px;margin-bottom:.75rem;overflow:hidden}.accordion-header{background:var(--bg);text-align:left;cursor:pointer;width:100%;color:var(--text);border:none;justify-content:space-between;align-items:center;padding:1rem 1.5rem;font-family:Nunito,sans-serif;font-size:1rem;font-weight:700;transition:background .3s;display:flex}.accordion-header:hover{background:#1a4fc40d}.accordion-header.active{background:var(--primary);color:#fff}.accordion-header svg{width:20px;height:20px;transition:transform .3s}.accordion-header.active svg{transform:rotate(180deg)}.accordion-content{background:#fff;padding:1.5rem;display:none}.accordion-content.active{display:block}.accordion-content h5{color:var(--primary);margin:1rem 0 .5rem;font-size:1rem}.accordion-content h5:first-child{margin-top:0}.accordion-content p{color:var(--text-muted);margin-bottom:.75rem}.accordion-content code{background:var(--bg);color:var(--primary-dark);border-radius:4px;padding:.2rem .5rem;font-family:Consolas,Monaco,monospace;font-size:.9rem}.accordion-content pre{color:#a8d8a8;background:#1a1a2e;border-radius:8px;margin:.75rem 0;padding:1rem;font-family:Consolas,Monaco,monospace;font-size:.85rem;overflow-x:auto}.error-box{border:1px solid var(--critical);background:#dc35451a;border-radius:12px;margin-top:1rem;padding:1rem 1.5rem;display:none}.error-box.visible{display:block}.error-box p{color:var(--critical);font-weight:600}.header-right{align-items:center;gap:.75rem;display:flex}.settings-btn{color:#fff;cursor:pointer;background:#ffffff1a;border:2px solid #ffffff4d;border-radius:50%;justify-content:center;align-items:center;width:40px;height:40px;transition:all .3s;display:flex}.settings-btn:hover{background:#fff3;border-color:#ffffff80}.settings-btn.configured{border-color:var(--gold);background:#f5a62333}.settings-btn svg{width:20px;height:20px}.settings-modal{z-index:200;background:#00000080;justify-content:center;align-items:center;display:none;position:fixed;inset:0}.settings-modal.visible{display:flex}.settings-content{background:#fff;border-radius:16px;width:90%;max-width:450px;box-shadow:0 20px 60px #0000004d}.settings-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:1.25rem 1.5rem;display:flex}.settings-header h3{color:var(--primary);margin:0}.settings-close{background:var(--bg);width:32px;height:32px;color:var(--text-muted);cursor:pointer;border:none;border-radius:50%;justify-content:center;align-items:center;font-size:1.5rem;transition:all .2s;display:flex}.settings-close:hover{background:var(--border);color:var(--text)}.settings-body{padding:1.5rem}.settings-body label{color:var(--primary-dark);margin-bottom:.5rem;font-weight:700;display:block}.settings-hint{color:var(--text-muted);margin-bottom:1rem;font-size:.85rem}.api-key-input-wrapper{gap:.5rem;margin-bottom:1rem;display:flex}.api-key-input-wrapper input{border:2px solid var(--border);border-radius:8px;flex:1;padding:.75rem 1rem;font-family:Consolas,Monaco,monospace;font-size:.9rem;transition:border-color .2s}.api-key-input-wrapper input:focus{border-color:var(--primary);outline:none}.toggle-visibility{border:2px solid var(--border);background:var(--bg);width:44px;color:var(--text-muted);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;transition:all .2s;display:flex}.toggle-visibility:hover{border-color:var(--primary);color:var(--primary)}.toggle-visibility svg{width:20px;height:20px}.save-api-key-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;padding:.75rem 1.5rem;font-size:1rem;font-weight:700;transition:all .2s}.save-api-key-btn:hover{background:var(--primary-dark)}.api-key-status{text-align:center;margin-top:1rem;font-size:.9rem}.api-key-status.success{color:var(--good);font-weight:600}@media (width<=768px){.header{text-align:center;flex-direction:column;gap:1rem}.header-left{flex-direction:column}.header-right{justify-content:center}.upload-zones{grid-template-columns:1fr}.main{padding:1rem}}.feedback-section{max-width:600px}.feedback-section h3{color:var(--text);margin-bottom:.5rem}.feedback-form{flex-direction:column;gap:1.25rem;display:flex}.feedback-form .form-group{flex-direction:column;gap:.5rem;display:flex}.feedback-form label{color:var(--text);font-weight:700}.feedback-form select,.feedback-form input[type=text],.feedback-form textarea{border:2px solid var(--border);background:var(--surface);width:100%;color:var(--text);border-radius:8px;padding:.75rem 1rem;font-family:inherit;font-size:1rem;transition:border-color .2s}.feedback-form select:focus,.feedback-form input[type=text]:focus,.feedback-form textarea:focus{border-color:var(--primary);outline:none}.feedback-form textarea{resize:vertical;min-height:150px}.feedback-submit-btn{background:var(--primary);color:#fff;cursor:pointer;border:none;border-radius:12px;align-self:flex-start;padding:.875rem 2rem;font-family:Fredoka One,cursive;font-size:1.1rem;transition:background-color .2s,transform .1s}.feedback-submit-btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.feedback-submit-btn:active{transform:translateY(0)}.app-footer{text-align:center;padding:.75rem}.app-version{color:var(--text-muted);opacity:.6;font-family:monospace;font-size:.7rem}