.sidebar {
    position: fixed; top: 0; left: 0;
    width: 250px; height: 100vh;
    background: #1a2a3a;
    display: flex; flex-direction: column;
    z-index: 100;
}
.sidebar-logo {
    padding: 24px 20px 20px;
    font-size: 1.15rem; font-weight: 700; color: #fff;
    letter-spacing: 0.02em;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-logo span { color: var(--cor-primaria); }
.sidebar-nav { list-style: none; padding: 12px 0; flex: 1; }
.sidebar-nav li a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 20px;
    color: rgba(255,255,255,0.6); text-decoration: none;
    font-size: 0.88rem; font-weight: 500;
    border-left: 3px solid transparent;
    transition: all 0.2s;
}
.sidebar-nav li a:hover { color: #fff; background: rgba(255,255,255,0.05); }
.sidebar-nav li a.ativo {
    color: #fff; background: rgba(74,144,217,0.12);
    border-left-color: var(--cor-primaria);
}
.sidebar-nav li a .icone { font-size: 1.1rem; width: 22px; text-align: center; }
.sidebar-sep {
    margin: 8px 20px; border: none;
    border-top: 1px solid rgba(255,255,255,0.08);
}
.sidebar-section {
    padding: 4px 20px 6px; font-size: 0.68rem; font-weight: 600;
    color: rgba(255,255,255,0.3); text-transform: uppercase; letter-spacing: 0.08em;
}
.conteudo {
    margin-left: 250px; padding: 36px;
    display: flex; justify-content: center; min-height: 100vh;
}
@media (max-width: 768px) {
    .sidebar {
        width: 100%; height: auto; position: relative;
        flex-direction: row; align-items: center;
    }
    .sidebar-logo { padding: 12px 14px; border-bottom: none; border-right: 1px solid rgba(255,255,255,0.08); white-space: nowrap; font-size: 1rem; }
    .sidebar-nav { display: flex; padding: 0; overflow-x: auto; }
    .sidebar-nav li a { padding: 12px 12px; border-left: none; border-bottom: 3px solid transparent; white-space: nowrap; font-size: 0.78rem; }
    .sidebar-nav li a.ativo { border-left-color: transparent; border-bottom-color: var(--cor-primaria); }
    .sidebar-sep, .sidebar-section { display: none; }
    .conteudo { margin-left: 0; padding: 20px 12px; }
}