:root{--color-primary: #1a3a5c;--color-secondary: #ffd100;--color-accent: #0066cc;--color-bg: #f8f9fa;--color-surface: #ffffff;--color-text: #333333;--color-text-muted: #666666;--color-border: #e0e0e0;--color-success: #22c55e;--color-error: #ef4444;--color-warning: #f59e0b;--space-xs: .5rem;--space-sm: 1rem;--space-md: 1.5rem;--space-lg: 2rem;--space-xl: 3rem;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem}@media (prefers-color-scheme: dark){:root{--color-bg: #1a1a1a;--color-surface: #2d2d2d;--color-text: #f5f5f5;--color-text-muted: #b0b0b0;--color-border: #444444}}*{margin:0;padding:0;box-sizing:border-box}html,body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.5;color:var(--color-text);background-color:var(--color-bg)}#root{min-height:100vh}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:var(--space-md)}h1{font-size:var(--font-size-2xl)}h2{font-size:var(--font-size-xl)}h3{font-size:var(--font-size-lg)}p{margin-bottom:var(--space-sm)}a{color:var(--color-accent);text-decoration:none}a:hover{text-decoration:underline}code{background-color:var(--color-border);padding:.25rem .5rem;border-radius:4px;font-family:Courier New,monospace;font-size:.9em}.container{max-width:1200px;margin:0 auto;padding:var(--space-lg)}header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-xl);padding-bottom:var(--space-md);border-bottom:2px solid var(--color-secondary)}header h1{margin:0;color:var(--color-primary)}.header-actions{display:flex;gap:var(--space-sm)}main{margin-top:var(--space-lg)}.btn{padding:.75rem 1.5rem;border:none;border-radius:6px;font-size:var(--font-size-base);font-weight:600;cursor:pointer;transition:all .2s ease;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-accent);transform:translateY(-2px);box-shadow:0 4px 12px 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var(--color-error);color:var(--color-error);padding:var(--space-sm);border-radius:6px;margin-bottom:var(--space-md)}.success-message{background-color:#22c55e1a;border-left:4px solid var(--color-success);color:var(--color-success);padding:var(--space-sm);border-radius:6px;margin-bottom:var(--space-md)}.text-muted{color:var(--color-text-muted);font-size:var(--font-size-sm)}.search-section{margin-bottom:var(--space-xl)}.search-bar{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg)}.search-input{flex:1;padding:1rem;font-size:var(--font-size-lg)}.resultado{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-lg);margin-top:var(--space-lg)}.articles-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-md);margin-top:var(--space-md)}.article-card{background-color:var(--color-bg);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-md);transition:all .2s ease}.article-card:hover{box-shadow:0 4px 12px #0000001a;transform:translateY(-2px)}.article-card h3{margin-bottom:.5rem;color:var(--color-primary)}.article-card .categoria{display:inline-block;background-color:var(--color-secondary);color:var(--color-primary);padding:.25rem .75rem;border-radius:12px;font-size:var(--font-size-sm);margin-bottom:var(--space-sm);font-weight:600}.chat-resultado{margin-top:var(--space-lg)}.resposta-ia{background-color:var(--color-bg);border-left:4px solid var(--color-secondary);padding:var(--space-md);border-radius:6px;line-height:1.8;white-space:pre-wrap}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--space-lg)}.login-box{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;padding:var(--space-xl);max-width:400px;width:100%;box-shadow:0 10px 40px #0000001a}.login-box h1{text-align:center;color:var(--color-primary);margin-bottom:var(--space-sm)}.login-box .subtitle{text-align:center;color:var(--color-secondary);font-weight:600;margin-bottom:var(--space-lg)}.login-box form{margin-bottom:var(--space-lg)}.demo-credentials{background-color:var(--color-bg);padding:var(--space-md);border-radius:6px;text-align:center;font-size:var(--font-size-sm)}.demo-credentials code{display:block;margin:.5rem 0;padding:.5rem;background-color:var(--color-border);border-radius:4px}.form-container{background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:8px;padding:var(--space-lg);max-width:600px}.form-container h2{color:var(--color-primary);margin-bottom:var(--space-lg)}.spinner{text-align:center;padding:var(--space-lg);color:var(--color-text-muted)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.tabs-navigation{display:flex;gap:var(--space-sm);margin-bottom:var(--space-lg);border-bottom:2px solid var(--color-border)}.tab-btn{padding:1rem 1.5rem;background:none;border:none;border-bottom:3px solid transparent;color:var(--color-text-muted);font-size:var(--font-size-lg);font-weight:600;cursor:pointer;transition:all .2s ease}.tab-btn:hover{color:var(--color-primary)}.tab-btn.active{color:var(--color-primary);border-bottom-color:var(--color-secondary)}.tab-content{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.chat-box{display:flex;flex-direction:column;height:600px;background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;overflow:hidden}.chat-header{padding:var(--space-lg);border-bottom:1px solid var(--color-border)}.chat-header h2{margin:0 0 .5rem}.chat-subtitle{margin:0;font-size:var(--font-size-sm);color:var(--color-text-muted)}.chat-messages{flex:1;overflow-y:auto;padding:var(--space-lg);display:flex;flex-direction:column;gap:var(--space-md)}.message{display:flex;animation:slideIn .3s ease}@keyframes 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ease}.source-link:hover{background-color:#ffd10033}.similarity{color:var(--color-text-muted);font-size:.85em}.message-feedback{display:flex;gap:.5rem;margin-top:var(--space-md);align-items:center}.feedback-label{margin:0;font-size:var(--font-size-sm);font-weight:600}.feedback-btn{background:none;border:1px solid var(--color-border);padding:.5rem .75rem;border-radius:6px;cursor:pointer;font-size:1.2em;transition:all .2s ease}.feedback-btn:hover{background-color:var(--color-bg);transform:scale(1.1)}.message-stats{display:flex;gap:var(--space-sm);margin-top:var(--space-md);flex-wrap:wrap;font-size:var(--font-size-sm);color:var(--color-text-muted)}.stat{padding:.25rem .5rem;background-color:#0000000d;border-radius:4px}.message-bot.loading .message-content{background-color:var(--color-bg)}.typing-indicator{display:flex;gap:4px}.typing-indicator span{width:8px;height:8px;border-radius:50%;background-color:var(--color-text-muted);animation:typing 1.4s infinite}.typing-indicator 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.hint{color:var(--color-text-muted);font-size:var(--font-size-sm)}.admin-section{margin-top:var(--space-lg)}.form-description{color:var(--color-text-muted);margin-bottom:var(--space-lg)}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-lg)}.form-hint{display:block;font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:.25rem}.char-count{display:block;font-size:var(--font-size-sm);color:var(--color-text-muted);margin-top:.25rem;text-align:right}.required{color:var(--color-error)}.form-actions{display:flex;gap:var(--space-md);margin-top:var(--space-lg)}.btn-lg{padding:1rem 2rem;font-size:var(--font-size-lg)}.admin-tips{margin-top:var(--space-xl);padding:var(--space-lg);background-color:var(--color-bg);border-left:4px solid var(--color-secondary);border-radius:8px}.admin-tips h3{margin-top:0}.admin-tips ul{margin:var(--space-md) 0;padding-left:var(--space-lg)}.admin-tips li{margin-bottom:.5rem}@media (max-width: 768px){.container{padding:var(--space-md)}header{flex-direction:column;align-items:flex-start;gap:var(--space-md)}.header-actions{width:100%;justify-content:flex-end}.search-bar{flex-direction:column}.articles-grid{grid-template-columns:1fr}.login-box{padding:var(--space-lg)}.chat-box{height:400px}.tabs-navigation{margin-bottom:var(--space-md)}.tab-btn{padding:.75rem 1rem;font-size:var(--font-size-base)}.message-content{max-width:100%}.form-row{grid-template-columns:1fr}.form-actions{flex-direction:column}}input:not([type]),input[type=url]{width:100%;padding:.75rem;border:1px solid var(--color-border);border-radius:6px;font-family:inherit;font-size:inherit;color:var(--color-text);background-color:var(--color-surface)}.vault-search{width:100%;margin-bottom:var(--space-lg)}.vault-banner{background:#ffd10026;border-left:4px solid var(--color-secondary);border-radius:6px;padding:var(--space-sm);margin-bottom:var(--space-md);font-size:var(--font-size-sm)}.vault-section h3{color:var(--color-primary);margin:var(--space-md) 0 var(--space-sm);font-size:var(--font-size-lg)}.vault-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--space-md)}.vault-card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:var(--space-sm);display:flex;flex-direction:column;gap:.75rem;transition:box-shadow .2s ease,border-color .2s ease}.vault-card:hover{border-color:var(--color-secondary);box-shadow:0 4px 14px #00000014}.vault-card-head{display:flex;align-items:center;gap:.75rem;min-width:0}.vault-avatar{flex:none;width:40px;height:40px;border-radius:8px;background:var(--color-primary);color:var(--color-secondary);display:grid;place-items:center;font-weight:700;font-size:var(--font-size-lg)}.vault-card-title{display:flex;flex-direction:column;min-width:0}.vault-card-title span,.vault-url{font-size:var(--font-size-sm);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:320px}.vault-card-user{display:flex;justify-content:space-between;align-items:center;gap:.5rem;font-size:var(--font-size-sm);min-width:0}.vault-card-user code{overflow:hidden;text-overflow:ellipsis}.vault-card-actions{display:flex;gap:.5rem}.vault-card-actions .btn{padding:.6rem .9rem}.vault-card-actions .btn-primary{flex:1}.vault-toolbar{display:flex;justify-content:space-between;align-items:center;gap:var(--space-sm);margin-bottom:var(--space-md);flex-wrap:wrap}.vault-inline-form input{flex:1;min-width:180px}.vault-form{background:var(--color-surface);border:1px solid var(--color-border);border-radius:10px;padding:var(--space-lg);margin-bottom:var(--space-lg)}.vault-form .form-row{gap:var(--space-md)}.vault-password{display:flex;gap:.5rem}.vault-chips{display:flex;flex-wrap:wrap;gap:.4rem}.vault-chip{display:inline-flex;align-items:center;margin:0;padding:.3rem .75rem;border:1px solid var(--color-border);border-radius:999px;font-size:var(--font-size-sm);font-weight:500;cursor:pointer;-webkit-user-select:none;user-select:none}.vault-chip input{display:none}.vault-chip.active{background:var(--color-primary);border-color:var(--color-primary);color:#fff}.vault-table-wrap{overflow-x:auto;border:1px solid var(--color-border);border-radius:10px;background:var(--color-surface)}.vault-table{width:100%;border-collapse:collapse;font-size:var(--font-size-sm)}.vault-table th,.vault-table td{text-align:left;padding:.75rem;border-bottom:1px solid var(--color-border);vertical-align:middle}.vault-table th{color:var(--color-text-muted);font-weight:600}.vault-table select{width:auto;padding:.4rem}.vault-row-actions{white-space:nowrap;text-align:right}.vault-row-actions .btn{padding:.4rem .8rem;font-size:var(--font-size-sm);margin-left:.4rem}.vault-inactive{opacity:.55}.vault-toast{position:fixed;left:50%;bottom:24px;transform:translate(-50%);max-width:calc(100% - 32px);background:var(--color-primary);color:#fff;padding:.75rem 1.25rem;border-radius:8px;box-shadow:0 6px 20px #00000040;z-index:100}.vault-toast.is-error{background:var(--color-error)}@media (max-width: 768px){header{flex-direction:column;align-items:flex-start;gap:var(--space-sm)}.header-actions{flex-wrap:wrap}.vault-table th:nth-child(2),.vault-table td:nth-child(2){display:none}}