:root{--bg: #f4f6f8;--surface: #ffffff;--border: #dde2e7;--text: #1f2a37;--text-muted: #667085;--primary: #0f5c9c;--primary-dark: #0b4677;--danger: #c0362c;--success: #1c7c4c;--radius: 6px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px}button{font-family:inherit;cursor:pointer}input,select,textarea{font-family:inherit;font-size:14px}.app-shell{display:flex;height:100vh}.sidebar{width:220px;background:#10233a;color:#cfe0f2;display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}.brand{padding:20px;display:flex;justify-content:center}.brand-logo{max-width:100%;height:auto;border-radius:4px}.sidebar nav{display:flex;flex-direction:column;gap:4px;padding:8px;flex:1}.sidebar-footer{flex-shrink:0;padding:10px 16px;font-size:11px;color:#ffffff73;text-align:center;border-top:1px solid 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td.celula.fora-periodo:hover{outline:none}.celula-badges{display:flex;flex-wrap:wrap;gap:3px}.badge-ss{display:inline-block;padding:1px 5px;border-radius:4px;font-size:11px;line-height:1.5}.badge-ss.principal{background:#fff3cd;color:#7a5b00;font-weight:700}.badge-ss.paralela{background:#eef2f6;color:var(--text-muted);cursor:pointer}.badge-ss.paralela:hover{background:#dde7f0;color:var(--primary-dark)}.histograma-table th.freeze,.histograma-table td.freeze{position:sticky;z-index:1;background:var(--surface)}.histograma-table th.freeze{background:#eef2f6;z-index:3}.histograma-table .freeze-base{left:0}.histograma-table .freeze-funcao{box-shadow:3px 0 4px -2px #00000026}.perm-matrix td,.perm-matrix th{text-align:center}.perm-matrix td:first-child,.perm-matrix th:first-child{text-align:left}