:root {
  --bg: #0D1117;
  --bg2: #161B22;
  --bg3: #21262D;
  --border: #30363D;
  --text: #E6EDF3;
  --text2: #8B949E;
  --text3: #484F58;
  --primary: #2563EB;
  --primary-h: #1D4ED8;
  --primary-light: rgba(37,99,235,.15);
  --gold: #F59E0B;
  --gold-light: rgba(245,158,11,.15);
  --green: #10B981;
  --green-light: rgba(16,185,129,.15);
  --red: #EF4444;
  --red-light: rgba(239,68,68,.15);
  --yellow: #F59E0B;
  --yellow-light: rgba(245,158,11,.15);
  --orange: #F97316;
  --orange-light: rgba(249,115,22,.15);
  --radius: 10px;
  --radius-lg: 16px;
  --sidebar-w: 240px;
  --transition: .2s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth}
body{font-family:'Inter',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}
input,select,textarea,button{font-family:inherit}
.hidden{display:none!important}

/* ---- AUTH ---- */
.auth-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden;padding:20px}
.auth-bg{position:fixed;inset:0;z-index:0}
.auth-blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.35}
.blob1{width:500px;height:500px;background:radial-gradient(circle,#1D4ED8,transparent);top:-100px;left:-100px}
.blob2{width:400px;height:400px;background:radial-gradient(circle,#7C3AED,transparent);bottom:-50px;right:-80px}
.blob3{width:300px;height:300px;background:radial-gradient(circle,#0891B2,transparent);top:50%;left:50%;transform:translate(-50%,-50%)}
.auth-container{position:relative;z-index:1;width:100%;max-width:460px}
.auth-brand{display:flex;align-items:center;gap:14px;margin-bottom:32px;justify-content:center}
.brand-icon{width:48px;height:48px}
.brand-icon.sm{width:32px;height:32px}
.brand-icon svg{width:100%;height:100%}
.brand-name{font-size:1.8rem;font-weight:800;background:linear-gradient(135deg,#fff,#94B4F0);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.brand-tagline{font-size:.75rem;color:var(--text2);margin-top:2px}
.auth-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px;box-shadow:0 24px 80px rgba(0,0,0,.6)}
.auth-card h2{font-size:1.4rem;font-weight:700;margin-bottom:6px}
.auth-subtitle{color:var(--text2);font-size:.9rem;margin-bottom:24px}
.auth-tab{display:none}
.auth-tab.active{display:block}
.auth-form{display:flex;flex-direction:column;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group label{font-size:.82rem;font-weight:500;color:var(--text2)}
.form-group input,.form-group select,.form-group textarea{background:var(--bg3);border:1px solid var(--border);border-radius:var(--radius);padding:10px 14px;color:var(--text);font-size:.9rem;transition:border var(--transition)}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.password-wrap{position:relative}
.password-wrap input{width:100%;padding-right:44px}
.btn-eye{position:absolute;right:12px;top:50%;transform:translateY(-50%);background:none;border:none;cursor:pointer;font-size:1rem;opacity:.6}
.btn-primary{background:var(--primary);color:#fff;border:none;border-radius:var(--radius);padding:12px 20px;font-weight:600;font-size:.9rem;cursor:pointer;transition:background var(--transition),transform var(--transition)}
.btn-primary:hover{background:var(--primary-h);transform:translateY(-1px)}
.btn-full{width:100%}
.auth-links{display:flex;justify-content:space-between;margin-top:4px}
.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-size:.85rem;text-decoration:underline;padding:0}
.auth-disclaimer{text-align:center;color:var(--text3);font-size:.72rem;margin-top:20px;line-height:1.5}

/* ---- APP LAYOUT ---- */
.app{display:block;min-height:100vh}
.sidebar{background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;width:var(--sidebar-w);z-index:100;transition:transform var(--transition)}
.sidebar-brand{display:flex;align-items:center;gap:10px;padding:20px 16px;border-bottom:1px solid var(--border)}
.sidebar-brand .brand-name{font-size:1.1rem}
.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius);border:none;background:none;color:var(--text2);cursor:pointer;font-size:.87rem;font-weight:500;transition:all var(--transition);text-align:left;width:100%}
.nav-item svg{width:18px;height:18px;flex-shrink:0}
.nav-item:hover{background:var(--bg3);color:var(--text)}
.nav-item.active{background:var(--primary-light);color:var(--primary)}
.sidebar-footer{padding:16px;border-top:1px solid var(--border);display:flex;align-items:center;gap:10px}
.user-info{flex:1;display:flex;align-items:center;gap:10px;min-width:0}
.user-avatar{width:34px;height:34px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;flex-shrink:0}
.user-details{min-width:0}
.user-name{display:block;font-size:.83rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{display:block;font-size:.72rem;color:var(--text2);text-transform:capitalize}
.btn-logout{background:none;border:none;color:var(--text2);cursor:pointer;padding:6px;border-radius:8px;transition:all var(--transition)}
.btn-logout:hover{color:var(--red);background:var(--red-light)}
.btn-logout svg{width:18px;height:18px}
.main-content{margin-left:var(--sidebar-w);display:flex;flex-direction:column;min-height:100vh}
.topbar{background:var(--bg2);border-bottom:1px solid var(--border);padding:14px 24px;display:flex;align-items:center;gap:16px;position:sticky;top:0;z-index:50}
.btn-menu{display:none;background:none;border:none;color:var(--text);cursor:pointer;padding:4px}
.btn-menu svg{width:22px;height:22px}
.topbar-title{font-weight:700;font-size:1.05rem;flex:1}
.topbar-actions{display:flex;align-items:center;gap:12px}
.api-indicator{display:flex;align-items:center;gap:6px;font-size:.78rem;color:var(--text2);background:var(--bg3);padding:5px 10px;border-radius:20px;border:1px solid var(--border)}
.api-dot{width:8px;height:8px;border-radius:50%;background:var(--green);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.page-content{flex:1;padding:28px 32px}
.page{display:none}
.page.active{display:block}

/* ---- COMPONENTS ---- */
.section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;gap:16px}
.section-header h2{font-size:1.3rem;font-weight:700}
.section-header p{font-size:.87rem;color:var(--text2);margin-top:4px}
.btn-secondary{background:var(--bg3);border:1px solid var(--border);color:var(--text);border-radius:var(--radius);padding:10px 16px;font-weight:500;font-size:.87rem;cursor:pointer;transition:all var(--transition)}
.btn-secondary:hover{border-color:var(--primary);color:var(--primary)}
.btn-danger{background:var(--red-light);border:1px solid var(--red);color:var(--red);border-radius:var(--radius);padding:8px 14px;font-size:.83rem;font-weight:500;cursor:pointer;transition:all var(--transition)}
.btn-danger:hover{background:var(--red);color:#fff}
.btn-sm{padding:6px 12px;font-size:.8rem}
.btn-icon{background:none;border:none;cursor:pointer;padding:6px;border-radius:8px;color:var(--text2);transition:all var(--transition)}
.btn-icon:hover{background:var(--bg3);color:var(--text)}
.btn-icon svg{width:16px;height:16px}

/* Cards */
.cards-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;margin-bottom:28px}
.stat-card{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;transition:all var(--transition)}
.stat-card:hover{border-color:var(--primary);transform:translateY(-2px)}
.stat-card .card-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;margin-bottom:14px;font-size:1.2rem}
.stat-card .card-value{font-size:1.8rem;font-weight:800;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.stat-card .card-label{font-size:.8rem;color:var(--text2);margin-top:6px}
.stat-card.primary .card-icon{background:var(--primary-light)}
.stat-card.green .card-icon{background:var(--green-light)}
.stat-card.yellow .card-icon{background:var(--yellow-light)}
.stat-card.red .card-icon{background:var(--red-light)}
.stat-card.gold .card-icon{background:var(--gold-light)}

/* Table */
.table-wrap{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden}
.table-wrap table{width:100%;border-collapse:collapse}
.table-wrap th{padding:12px 16px;text-align:left;font-size:.78rem;color:var(--text2);font-weight:600;text-transform:uppercase;letter-spacing:.05em;background:var(--bg3);border-bottom:1px solid var(--border)}
.table-wrap td{padding:14px 16px;font-size:.88rem;border-bottom:1px solid var(--border)}
.table-wrap tr:last-child td{border-bottom:none}
.table-wrap tr:hover td{background:var(--bg3)}

/* Badges */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:600}
.badge-green{background:var(--green-light);color:var(--green)}
.badge-red{background:var(--red-light);color:var(--red)}
.badge-yellow{background:var(--yellow-light);color:var(--yellow)}
.badge-orange{background:var(--orange-light);color:var(--orange)}
.badge-blue{background:var(--primary-light);color:var(--primary)}
.badge-gray{background:var(--bg3);color:var(--text2)}

/* Risk Score */
.risk-score{display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.9rem}
.risk-bar{width:60px;height:6px;background:var(--bg3);border-radius:3px;overflow:hidden}
.risk-fill{height:100%;border-radius:3px;transition:width .5s ease}
.risk-low .risk-fill{background:var(--green)}
.risk-medium .risk-fill{background:var(--yellow)}
.risk-high .risk-fill{background:var(--orange)}
.risk-critical .risk-fill{background:var(--red)}

/* Modal */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:200;display:flex;align-items:center;justify-content:center;padding:20px;backdrop-filter:blur(4px)}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:600px;max-height:90vh;overflow-y:auto}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}
.modal-header h3{font-size:1.05rem;font-weight:700}
.btn-close{background:none;border:none;color:var(--text2);cursor:pointer;font-size:1.2rem;padding:4px;border-radius:6px;transition:all var(--transition)}
.btn-close:hover{color:var(--red);background:var(--red-light)}
.modal-body{padding:24px}
.modal-footer{padding:16px 24px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:10px}

/* Toast */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;flex-direction:column;gap:10px}
.toast{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:14px 18px;font-size:.87rem;display:flex;align-items:center;gap:10px;box-shadow:0 8px 32px rgba(0,0,0,.4);animation:slideIn .3s ease;min-width:260px}
.toast.success{border-color:var(--green)}
.toast.error{border-color:var(--red)}
.toast.info{border-color:var(--primary)}
@keyframes slideIn{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* Loading */
.loading-overlay{position:fixed;inset:0;background:rgba(13,17,23,.85);z-index:400;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px)}
.loading-spinner{text-align:center}
.spinner-ring{width:52px;height:52px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin 1s linear infinite;margin:0 auto 16px}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-spinner p{color:var(--text2);font-size:.9rem}

/* Empty State */
.empty-state{text-align:center;padding:60px 20px;color:var(--text2)}
.empty-state svg{width:56px;height:56px;opacity:.3;margin-bottom:16px}
.empty-state h3{font-size:1rem;font-weight:600;margin-bottom:6px;color:var(--text)}
.empty-state p{font-size:.87rem}

/* Detail Card */
.detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px}
.detail-item{background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius);padding:16px}
.detail-item label{font-size:.75rem;color:var(--text2);font-weight:600;text-transform:uppercase;letter-spacing:.04em;display:block;margin-bottom:4px}
.detail-item span{font-size:.92rem;font-weight:500}

/* Score Circle */
.score-circle{width:100px;height:100px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;border:4px solid}
.score-circle .score-num{font-size:1.8rem;font-weight:800;line-height:1}
.score-circle .score-label{font-size:.65rem;font-weight:600;text-transform:uppercase;opacity:.8}

/* Checklist */
.checklist{display:flex;flex-direction:column;gap:8px}
.checklist-item{display:flex;align-items:center;gap:12px;padding:12px 16px;background:var(--bg2);border:1px solid var(--border);border-radius:var(--radius)}
.checklist-item .check-icon{width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.8rem;flex-shrink:0}
.status-enviado .check-icon{background:var(--green-light);color:var(--green)}
.status-pendente .check-icon{background:var(--yellow-light);color:var(--yellow)}
.status-nao-aplicavel .check-icon{background:var(--bg3);color:var(--text2)}
.status-revisar .check-icon{background:var(--red-light);color:var(--red)}
.checklist-item .check-name{flex:1;font-size:.88rem}
.checklist-item .check-status{font-size:.75rem;font-weight:600}

/* Drop Zone */
.drop-zone{border:2px dashed var(--border);border-radius:var(--radius-lg);padding:48px;text-align:center;cursor:pointer;transition:all var(--transition)}
.drop-zone:hover,.drop-zone.dragover{border-color:var(--primary);background:var(--primary-light)}
.drop-zone svg{width:48px;height:48px;color:var(--text2);margin-bottom:12px}
.drop-zone p{color:var(--text2);font-size:.9rem}
.drop-zone strong{color:var(--primary)}

/* Simulator */
.sim-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.sim-result{background:linear-gradient(135deg,var(--bg2),var(--bg3));border:1px solid var(--border);border-radius:var(--radius-lg);padding:24px;position:sticky;top:80px}
.sim-result h3{font-size:1rem;font-weight:700;margin-bottom:20px}
.sim-metric{margin-bottom:16px}
.sim-metric label{font-size:.75rem;color:var(--text2);font-weight:600;text-transform:uppercase}
.sim-metric .metric-value{font-size:1.4rem;font-weight:800;margin-top:2px}
.sim-metric.danger .metric-value{color:var(--red)}
.sim-metric.warning .metric-value{color:var(--yellow)}
.sim-metric.success .metric-value{color:var(--green)}
.recommendation-box{margin-top:20px;padding:14px;border-radius:var(--radius);font-size:.85rem;font-weight:500;line-height:1.5}

/* Tabs */
.tabs{display:flex;gap:4px;margin-bottom:24px;background:var(--bg2);padding:4px;border-radius:var(--radius);border:1px solid var(--border);width:fit-content}
.tab-btn{padding:8px 18px;border:none;background:none;color:var(--text2);font-size:.85rem;font-weight:500;cursor:pointer;border-radius:8px;transition:all var(--transition)}
.tab-btn.active{background:var(--primary);color:#fff}

/* Responsive */
@media(max-width:768px){
  .app{grid-template-columns:1fr}
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .btn-menu{display:block}
  .page-content{padding:20px 16px}
  .form-row{grid-template-columns:1fr}
  .sim-grid{grid-template-columns:1fr}
  .cards-grid{grid-template-columns:repeat(2,1fr)}
}

/* Misc */
.text-center{text-align:center}
.text-right{text-align:right}
.mt-4{margin-top:16px}
.mb-4{margin-bottom:16px}
.gap-2{gap:8px}
.flex{display:flex}
.items-center{align-items:center}
.justify-between{justify-content:space-between}
.w-full{width:100%}
.alert-box{padding:14px 16px;border-radius:var(--radius);font-size:.87rem;line-height:1.5;margin-top:16px}
.alert-box.warning{background:var(--yellow-light);border:1px solid var(--yellow);color:var(--yellow)}
.alert-box.info{background:var(--primary-light);border:1px solid var(--primary);color:var(--primary)}
.alert-box.danger{background:var(--red-light);border:1px solid var(--red);color:var(--red)}